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* Support for FHPath (multiple segments along a path)

Browse Source 
- Added FHPath object
- Implemented proper path and filename for exporting FastHenry file
  from FHSolver/FHInputFile object
- Fixed coordinate display to show the actual point coordinates
  when the user is selecting a point on the GUI
- Added option to display / hide the internal nodes of a FHPlane
- Added command to add/remove nodes/holes from an already
  existing FHPlane
- Moved common functions / variables to EM_Globals.py
- Completed all function description texts
- Multiple bug fixes (load FreeCAD file, import EM, etc.)
This commit is contained in:
Enrico Di Lorenzo - FastFieldSolvers S.R.L 2018-12-30 00:20:41 +01:00
parent 0d4f02c4c9
commit 741336a74a
17 changed files with 2341 additions and 264 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
EM.py
View File

@ -43,8 +43,10 @@ if FreeCAD.GuiUp:
import FreeCADGui
FreeCADGui.updateLocale()
from EM_Globals import *
from EM_FHNode import *
from EM_FHSegment import *
from EM_FHPath import *
from EM_FHPlaneHole import *
from EM_FHPlane import *
from EM_FHPort import *

27
EM_FHEquiv.py
View File

@ -36,7 +36,6 @@ __url__ = "http://www.fastfieldsolvers.com"
EMFHEQUIV_LENTOL = 1e-12
import FreeCAD, FreeCADGui, Mesh, Part, MeshPart, Draft, DraftGeomUtils, os
import EM
from FreeCAD import Vector
if FreeCAD.GuiUp:
@ -56,13 +55,14 @@ __dir__ = os.path.dirname(__file__)
iconPath = os.path.join( __dir__, 'Resources' )
def makeFHEquiv(node1=None,node2=None,name='FHEquiv'):
''' Creates a FastHenry node equivalence ('.equiv' statement in FastHenry)
'''Creates a FastHenry node equivalence ('.equiv' statement in FastHenry)
'node1' is the first node to shortcut
'node2' is the second node to shortcut
'node1' is the first node to short-circuit
'node2' is the second node to short-circuit
'name' is the name of the object
Example:
TBD
equiv = makeFHEquiv(node1,node2)
'''
obj = FreeCAD.ActiveDocument.addObject("Part::FeaturePython", name)
obj.Label = translate("EM", name)
@ -88,8 +88,8 @@ class _FHEquiv:
'''The EM FastHenry node Equivalence object'''
def __init__(self, obj):
''' Add properties '''
obj.addProperty("App::PropertyLink","Node1","EM",QT_TRANSLATE_NOOP("App::Property","First FHNode to shortcut"))
obj.addProperty("App::PropertyLink","Node2","EM",QT_TRANSLATE_NOOP("App::Property","Second FHNode to shortcut"))
obj.addProperty("App::PropertyLink","Node1","EM",QT_TRANSLATE_NOOP("App::Property","First FHNode to short-circuit"))
obj.addProperty("App::PropertyLink","Node2","EM",QT_TRANSLATE_NOOP("App::Property","Second FHNode to short-circuit"))
obj.Proxy = self
self.Type = "FHEquiv"
# save the object in the class, to store or retrieve specific data from it
@ -171,9 +171,8 @@ class _ViewProviderFHEquiv:
return
def updateData(self, fp, prop):
''' Print the name of the property that has changed '''
#FreeCAD.Console.PrintMessage("ViewProvider updateData(), property: " + str(prop) + "\n")
''' If a property of the handled feature has changed we have the chance to handle this here '''
#FreeCAD.Console.PrintMessage("ViewProvider updateData(), property: " + str(prop) + "\n") # debug
return
def getDefaultDisplayMode(self):
@ -181,11 +180,11 @@ class _ViewProviderFHEquiv:
return "Flat Lines"
def onChanged(self, vp, prop):
''' Print the name of the property that has changed '''
#FreeCAD.Console.PrintMessage("ViewProvider onChanged(), property: " + str(prop) + "\n")
''' If the 'prop' property changed for the ViewProvider 'vp' '''
#FreeCAD.Console.PrintMessage("ViewProvider onChanged(), property: " + str(prop) + "\n") # debug
def claimChildren(self):
''' Used to place other objects as childrens in the tree'''
''' Used to place other objects as children in the tree'''
c = []
if hasattr(self,"Object"):
if hasattr(self.Object,"Node1"):
@ -195,7 +194,7 @@ class _ViewProviderFHEquiv:
return c
def getIcon(self):
''' Return the icon in XMP format which will appear in the tree view. This method is optional
''' Return the icon which will appear in the tree view. This method is optional
and if not defined a default icon is shown.
'''
return os.path.join(iconPath, 'equiv_icon.svg')
@ -219,8 +218,6 @@ class _CommandFHEquiv:
return not FreeCAD.ActiveDocument is None
def Activated(self):
# init properties (future)
#self.Length = None
# preferences
#p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/EM")
#self.Width = p.GetFloat("Width",200)

61
EM_FHInputFile.py
View File

@ -30,8 +30,8 @@ __author__ = "FastFieldSolvers S.R.L."
__url__ = "http://www.fastfieldsolvers.com"
import FreeCAD, FreeCADGui, Mesh, Part, MeshPart, Draft, DraftGeomUtils, os
import EM
from FreeCAD import Vector
from PySide import QtCore, QtGui
if FreeCAD.GuiUp:
import FreeCADGui
@ -50,14 +50,27 @@ __dir__ = os.path.dirname(__file__)
iconPath = os.path.join( __dir__, 'Resources' )
def makeFHInputFile(doc=None,filename=None,folder=None):
'''Creates a FastHenry input file
'''Outputs a FastHenry input file based on the active document geometry
'doc' is the Document object that must contain at least one
EM_FHSolver object and the relevant geometry.
If no 'doc' is given, the active document is used, if any.
'doc' is the Document object that must contain at least one
EM_FHSolver object and the relevant geometry.
If no 'doc' is given, the active document is used, if any.
'filename' is the filename to use. If not passed as an argument,
the 'Filename' property of the FHSolver object contained in the document
will be used. If the 'Filename" string in the FHSolver object is empty,
the function builds a filename concatenating the document name
with the default extension EMFHSOLVER_DEF_FILENAME.
Whatever the name, if a file with the same name exists in the target
folder, the user is prompted to know if he/she wants to overwrite it.
'folder' is the folder where the file will be stored. If not passed
as an argument, the 'Folder' property of the FHSolver object
contained in the document will be used. If the 'Folder' string
in the FHSolver object is empty, the vunction defaults to the
user's home path (e.g. in Windows "C:\Documents and Settings\
username\My Documents", in Linux "/home/username")
Example:
TBD
makeFHInputFile()
'''
if not doc:
doc = App.ActiveDocument
@ -71,7 +84,8 @@ def makeFHInputFile(doc=None,filename=None,folder=None):
FreeCAD.Console.PrintWarning(translate("EM","FHSolver object not found in the document. Aborting."))
return
else:
# TBC warning: may warn the user if more that one solver is present per document
if len(solver) > 1:
FreeCAD.Console.PrintWarning(translate("EM","More than one FHSolver object found in the document. Using the first one."))
solver = solver[0]
if not filename:
# if 'filename' was not passed as an argument, retrieve it from the 'solver' object
@ -84,16 +98,26 @@ def makeFHInputFile(doc=None,filename=None,folder=None):
# otherwise, if the user passed a filename to the function, update it in the 'solver' object
solver.Filename = filename
if not folder:
# if not specified, default to the user's home path
# (e.g. in Windows "C:\Documents and Settings\username\My Documents", in Linux "/home/username")
folder = FreeCAD.ConfigGet("UserHomePath")
# if 'folder' was not passed as an argument, retrieve it from the 'solver' object
# (this should be the standard way)
if solver.Folder == "":
# if not specified, default to the user's home path
# (e.g. in Windows "C:\Documents and Settings\username\My Documents", in Linux "/home/username")
solver.Folder = FreeCAD.ConfigGet("UserHomePath")
folder = solver.Folder
if not os.path.isdir(folder):
# if 'folder' does not exists, create it
os.mkdir(folder)
# check if exists
if os.path.isfile(folder + os.sep + filename):
# filename already exists! Do not overwrite
FreeCAD.Console.PrintWarning(translate("EM","Filename already exists") + " '" + str(folder) + str(os.sep) + str(filename) + "'\n")
return
# filename already exists! Check if overwrite
diag = QtGui.QMessageBox()
diag.setText("File '" + str(filename) + "' exists in the folder '" + str(folder) + "'")
diag.setInformativeText("Do you want to overwrite?")
diag.setStandardButtons(QtGui.QMessageBox.Cancel | QtGui.QMessageBox.Ok)
ret = diag.exec_()
if ret == QtGui.QMessageBox.Cancel:
return
FreeCAD.Console.PrintMessage(QT_TRANSLATE_NOOP("EM","Exporting to FastHenry file ") + "'" + folder + os.sep + filename + "'\n")
with open(folder + os.sep + filename, 'w') as fid:
# serialize the header
@ -111,6 +135,13 @@ def makeFHInputFile(doc=None,filename=None,folder=None):
for segment in segments:
segment.Proxy.serialize(fid)
fid.write("\n")
# then the paths
paths = [obj for obj in doc.Objects if Draft.getType(obj) == "FHPath"]
if paths:
fid.write("* Segments from paths\n")
for path in paths:
path.Proxy.serialize(fid)
fid.write("\n")
# then the planes
planes = [obj for obj in doc.Objects if Draft.getType(obj) == "FHPlane"]
if planes:
@ -148,8 +179,6 @@ class _CommandFHInputFile:
return not FreeCAD.ActiveDocument is None
def Activated(self):
# init properties (future)
#self.Length = None
# preferences
#p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/EM")
#self.Width = p.GetFloat("Width",200)
@ -161,5 +190,3 @@ class _CommandFHInputFile:
if FreeCAD.GuiUp:
FreeCADGui.addCommand('EM_FHInputFile',_CommandFHInputFile())
#pts = [obj for obj in FreeCAD.ActiveDocument.Objects if Draft.getType(obj) == "Point"]

85
EM_FHNode.py
View File

@ -31,12 +31,11 @@ __url__ = "http://www.fastfieldsolvers.com"
# defines
#
# default node color
EMFHNODE_DEF_NODECOLOR = (1.0,0.0,0.0)
EMFHNODE_DEF_NODESIZE = 10
import FreeCAD, FreeCADGui, Mesh, Part, MeshPart, Draft, DraftGeomUtils, os
from FreeCAD import Vector
from EM_Globals import EMFHNODE_DEF_NODECOLOR
if FreeCAD.GuiUp:
import FreeCADGui
@ -55,13 +54,21 @@ __dir__ = os.path.dirname(__file__)
iconPath = os.path.join( __dir__, 'Resources' )
def makeFHNode(baseobj=None,X=0.0,Y=0.0,Z=0.0,color=None,size=None,name='FHNode'):
'''Creates a FastHenry node ('N' statement in FastHenry)
''' Creates a FastHenry node ('N' statement in FastHenry)
'baseobj' is the point object whose position is used as base for the FNNode
If no 'baseobj' is given, X,Y,Z are used as coordinates
'baseobj' is the point object whose position is used as base for the FNNode.
It has priority over X,Y,Z.
If no 'baseobj' is given, X,Y,Z are used as coordinates
'X' x coordinate of the node, in absolute coordinate system
'Y' y coordinate of the node, in absolute coordinate system
'Z' z coordinate of the node, in absolute coordinate system
'color' node color, e.g. a tuple (1.0,0.0,0.0).
Defaults to EMFHNODE_DEF_NODECOLOR
'size' node size. Defaults to EMFHNODE_DEF_NODESIZE
'name' is the name of the object
Example:
TBD
node = makeFHNode(X=1.0,Y=2.0,Z=0.0)
'''
obj = FreeCAD.ActiveDocument.addObject("Part::FeaturePython", name)
obj.Label = translate("EM", name)
@ -91,8 +98,6 @@ def makeFHNode(baseobj=None,X=0.0,Y=0.0,Z=0.0,color=None,size=None,name='FHNode'
FreeCAD.Console.PrintWarning(translate("EM","FHNodes can only take the position from Point objects"))
# set the node coordinates
obj.Proxy.setAbsCoord(Vector(X,Y,Z))
# force recompute to show the Python object
FreeCAD.ActiveDocument.recompute()
# return the newly created Python object
return obj
@ -112,20 +117,22 @@ class _FHNode:
def execute(self, obj):
''' this method is mandatory. It is called on Document.recompute()
'''
#FreeCAD.Console.PrintWarning("\n_FHNode execute\n") #debug
#FreeCAD.Console.PrintWarning("_FHNode execute\n") #debug
# set the shape as a Vertex at relative position obj.X, obj.Y, obj.Z
# The vertex will then be adjusted according to the FHNode Placement
obj.Shape = Part.Vertex(self.getRelCoord())
#FreeCAD.Console.PrintWarning("_FHNode execute ends\n") #debug
def onChanged(self, obj, prop):
''' take action if an object property 'prop' changed
'''
#FreeCAD.Console.PrintWarning("\n_FHNode onChanged(" + str(prop)+")\n") #debug
#FreeCAD.Console.PrintWarning("_FHNode onChanged(" + str(prop)+")\n") #debug
if not hasattr(self,"Object"):
# on restore, self.Object is not there anymore (JSON does not serialize complex objects
# members of the class, so __getstate__() and __setstate__() skip them);
# so we must "re-attach" (re-create) the 'self.Object'
self.Object = obj
#FreeCAD.Console.PrintWarning("_FHNode onChanged(" + str(prop)+") ends\n") #debug
def serialize(self,fid,extension=""):
''' Serialize the object to the 'fid' file descriptor
@ -134,7 +141,7 @@ class _FHNode:
'extension': any extension to add to the node name, in case of a node
belonging to a conductive plane. If not empty, it also changes
the way the node is serialized, according to the plane node definition.
Defaults to empty string.
Defaults to an empty string.
'''
pos = self.getAbsCoord()
if extension == "":
@ -146,14 +153,17 @@ class _FHNode:
fid.write("\n")
def getAbsCoord(self):
''' Get a FreeCAD.Vector containing the absolute node coordinates
''' Get a FreeCAD.Vector containing the node coordinates
in the absolute reference system
'''
# should be "self.Object.Placement.multVec(Vector(self.Object.X, self.Object.Y, self.Object.Z))"
# but as the shape is always a Vertex, this is a shortcut
return self.Object.Shape.Point
# but as the shape is always a Vertex, this is a shortcut - but works only if there is execute() first!
# as it must update the shape
#return self.Object.Shape.Point
return self.Object.Placement.multVec(Vector(self.Object.X, self.Object.Y, self.Object.Z))
def getRelCoord(self):
''' Get a FreeCAD.Vector containing the relative node coordinates w.r.t. the Placement
''' Get a FreeCAD.Vector containing the node coordinates relative to the FHNode Placement
These coordinates correspond to (self.Object.X, self.Object.Y, self.Object.Z),
that are the same as self.Object.Placement.inverse().multVec(self.Object.Shape.Point))
@ -161,13 +171,13 @@ class _FHNode:
return Vector(self.Object.X,self.Object.Y,self.Object.Z)
def setRelCoord(self,rel_coord,placement=None):
''' Sets the relative node position w.r.t. the placement
''' Sets the node position relative to the placement
'rel_coord': FreeCAD.Vector containing the relative node coordinates w.r.t. the Placement
'placement': the new placement. If 'None', the placement is not changed
'rel_coord': FreeCAD.Vector containing the node coordinates relative to the FHNode Placement
'placement': a new FHNode placement. If 'None', the placement is not changed
Remark: the function will not recalculate() the object (i.e. change of position is not visible
just by calling this function)
Remark: the function will not recalculate() the object (i.e. the change of position is not
immediately visible by just calling this function)
'''
if placement:
# validation of the parameter
@ -180,17 +190,18 @@ class _FHNode:
def setAbsCoord(self,abs_coord,placement=None):
''' Sets the absolute node position, considering the object placement, and in case forcing a new placement
'abs_coord': FreeCAD.Vector containing the absolute node coordinates
'placement': the new placement. If 'None', the placement is not changed
'abs_coord': FreeCAD.Vector containing the node coordinates in the absolute reference system
'placement': a new placement. If 'None', the placement is not changed
Remark: the function will not recalculate() the object (i.e. change of position is not visible
just by calling this function)
Remark: the function will not recalculate() the object (i.e. the change of position is not
immediately visible by just calling this function)
'''
if placement:
# validation of the parameter
if isinstance(placement, FreeCAD.Placement):
self.Object.Placement = placement
rel_coord = self.Object.Placement.inverse().multVec(abs_coord)
placement = self.Object.Placement.copy()
rel_coord = placement.inverse().multVec(abs_coord)
self.Object.X = rel_coord.x
self.Object.Y = rel_coord.y
self.Object.Z = rel_coord.z
@ -217,9 +228,8 @@ class _ViewProviderFHNode:
return
def updateData(self, fp, prop):
''' Print the name of the property that has changed '''
#FreeCAD.Console.PrintMessage("ViewProvider updateData(), property: " + str(prop) + "\n")
''' If a property of the handled feature has changed we have the chance to handle this here '''
#FreeCAD.Console.PrintMessage("ViewProvider updateData(), property: " + str(prop) + "\n") # debug
return
def getDefaultDisplayMode(self):
@ -227,11 +237,11 @@ class _ViewProviderFHNode:
return "Flat Lines"
def onChanged(self, vp, prop):
''' Print the name of the property that has changed '''
#FreeCAD.Console.PrintMessage("ViewProvider onChanged(), property: " + str(prop) + "\n")
''' If the 'prop' property changed for the ViewProvider 'vp' '''
#FreeCAD.Console.PrintMessage("ViewProvider onChanged(), property: " + str(prop) + "\n") # debug
def getIcon(self):
''' Return the icon in XMP format which will appear in the tree view. This method is optional
''' Return the icon which will appear in the tree view. This method is optional
and if not defined a default icon is shown.
'''
return os.path.join(iconPath, 'node_icon.svg')
@ -275,15 +285,14 @@ class _CommandFHNode:
done = True
# if no selection, or nothing good in the selected objects
if not done:
#FreeCAD.DraftWorkingPlane.setup()
FreeCAD.DraftWorkingPlane.setup()
# get a 3D point via Snapper, setting the callback functions
FreeCADGui.Snapper.getPoint(callback=self.getPoint)
FreeCADGui.Snapper.getPoint(callback=self.getPoint,movecallback=self.move)
def getPoint(self,point=None,obj=None):
"this function is called by the snapper when it has a 3D point"
'''This function is called by the Snapper when it has a 3D point'''
if point == None:
return
#coord = FreeCAD.DraftWorkingPlane.getLocalCoords(point)
coord = point
FreeCAD.ActiveDocument.openTransaction(translate("EM","Create FHNode"))
FreeCADGui.addModule("EM")
@ -294,6 +303,14 @@ class _CommandFHNode:
#if self.continueCmd:
# self.Activated()
# this is used to display the global point position information
# in the Snapper user interface. By default it would display the relative
# point position on the DraftWorkingPlane (see DraftSnap.py, move() member).
# This would be different from the behavior of Draft.Point command.
def move(self,point=None,snapInfo=None):
if FreeCADGui.Snapper.ui:
FreeCADGui.Snapper.ui.displayPoint(point)
if FreeCAD.GuiUp:
FreeCADGui.addCommand('EM_FHNode',_CommandFHNode())

475
EM_FHPath.py Normal file
View File

@ -0,0 +1,475 @@
#***************************************************************************
#* *
#* Copyright (c) 2018 *
#* Efficient Power Conversion Corporation, Inc. http://epc-co.com *
#* *
#* Developed by FastFieldSolvers S.R.L. under contract by EPC *
#* http://www.fastfieldsolvers.com *
#* *
#* This program is free software; you can redistribute it and/or modify *
#* it under the terms of the GNU Lesser General Public License (LGPL) *
#* as published by the Free Software Foundation; either version 2 of *
#* the License, or (at your option) any later version. *
#* for detail see the LICENCE text file. *
#* *
#* This program is distributed in the hope that it will be useful, *
#* but WITHOUT ANY WARRANTY; without even the implied warranty of *
#* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
#* GNU Library General Public License for more details. *
#* *
#* You should have received a copy of the GNU Library General Public *
#* License along with this program; if not, write to the Free Software *
#* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
#* USA *
#* *
#***************************************************************************
__title__="FreeCAD E.M. Workbench FastHenry Path Class"
__author__ = "FastFieldSolvers S.R.L."
__url__ = "http://www.fastfieldsolvers.com"
# defines
#
EMFHPATH_DEF_SEGWIDTH = 0.2
EMFHPATH_DEF_SEGHEIGHT = 0.2
# default max number of segments into which a curve is discretized
EMFHPATH_DEF_DISCR = 3
# the coefficient to apply to the segment width (height) to get
# the minimum radius of curvature allowed
EMFHPATH_TIMESWIDTH = 3
# imported defines
from EM_Globals import EMFHSEGMENT_PARTOL, EMFHSEGMENT_LENTOL
import FreeCAD, FreeCADGui, Mesh, Part, MeshPart, Draft, DraftGeomUtils, os
import DraftVecUtils
from EM_Globals import getAbsCoordBodyPart, makeSegShape
from FreeCAD import Vector
if FreeCAD.GuiUp:
import FreeCADGui
from PySide import QtCore, QtGui
from DraftTools import translate
from PySide.QtCore import QT_TRANSLATE_NOOP
else:
# \cond
def translate(ctxt,txt, utf8_decode=False):
return txt
def QT_TRANSLATE_NOOP(ctxt,txt):
return txt
# \endcond
__dir__ = os.path.dirname(__file__)
iconPath = os.path.join( __dir__, 'Resources' )
def makeFHPath(baseobj=None,name='FHPath'):
''' Creates a FastHenry Path (a set connected 'E' FastHenry statements)
'baseobj' is the object on which the path is based.
If no 'baseobj' is given, the user must assign a base
object later on, to be able to use this object.
The 'baseobj' is mandatory, and can be any shape containing edges,
even if the Path is designed to work best with the support of
a sketch or a wire.
'name' is the name of the object
Example:
path = makeFHPath(myWire)
'''
obj = FreeCAD.ActiveDocument.addObject("Part::FeaturePython", name)
obj.Label = translate("EM", name)
# this adds the relevant properties to the object
#'obj' (e.g. 'Base' property) making it a _FHPath
_FHPath(obj)
# manage ViewProvider object
if FreeCAD.GuiUp:
_ViewProviderFHPath(obj.ViewObject)
# set base ViewObject properties to user-selected values (if any)
# check if 'baseobj' is a wire (only base object allowed), and only if not passed any node
if baseobj:
# if right type of base
if not baseobj.isDerivedFrom("Part::Feature"):
FreeCAD.Console.PrintWarning(translate("EM","FHPath can only be based on objects derived from Part::Feature"))
return
# check validity
if baseobj.Shape.isNull():
FreeCAD.Console.PrintWarning(translate("EM","FHPath base object shape is null"))
return
if not baseobj.Shape.isValid():
FreeCAD.Console.PrintWarning(translate("EM","FHPath base object shape is invalid"))
return
obj.Base = baseobj
# hide the base object
if obj.Base and FreeCAD.GuiUp:
obj.Base.ViewObject.hide()
# return the newly created Python object
return obj
class _FHPath:
'''The EM FastHenry Path object'''
def __init__(self, obj):
''' Add properties '''
obj.addProperty("App::PropertyLink", "Base", "EM", QT_TRANSLATE_NOOP("App::Property","The base object this component is built upon"))
obj.addProperty("App::PropertyLinkList","Nodes","EM",QT_TRANSLATE_NOOP("App::Property","The list of FHNodes along the path. Not for direct user modification."))
obj.addProperty("App::PropertyLength","Width","EM",QT_TRANSLATE_NOOP("App::Property","Path width ('w' segment parameter)"))
obj.addProperty("App::PropertyLength","Height","EM",QT_TRANSLATE_NOOP("App::Property","Path height ('h' segment parameter)"))
obj.addProperty("App::PropertyInteger","Discr","EM",QT_TRANSLATE_NOOP("App::Property","Max number of segments into which curves will be discretized"))
obj.addProperty("App::PropertyFloat","Sigma","EM",QT_TRANSLATE_NOOP("App::Property","Path conductivity ('sigma' segment parameter)"))
obj.addProperty("App::PropertyVector","ww","EM",QT_TRANSLATE_NOOP("App::Property","Path cross-section direction along width at the start of the path ('wx', 'wy', 'wz' segment parameter)"))
obj.addProperty("App::PropertyInteger","nhinc","EM",QT_TRANSLATE_NOOP("App::Property","Number of filaments in the height direction ('nhinc' segment parameter)"))
obj.addProperty("App::PropertyInteger","nwinc","EM",QT_TRANSLATE_NOOP("App::Property","Number of filaments in the width direction ('nwinc' segment parameter)"))
obj.addProperty("App::PropertyInteger","rh","EM",QT_TRANSLATE_NOOP("App::Property","Ratio of adjacent filaments in the height direction ('rh' segment parameter)"))
obj.addProperty("App::PropertyInteger","rw","EM",QT_TRANSLATE_NOOP("App::Property","Ratio of adjacent filaments in the width direction ('rw' segment parameter)"))
obj.Proxy = self
self.Type = "FHPath"
obj.Discr = EMFHPATH_DEF_DISCR
# save the object in the class, to store or retrieve specific data from it
# from within the class
self.Object = obj
def execute(self, obj):
''' this method is mandatory. It is called on Document.recompute()
'''
#FreeCAD.Console.PrintWarning("_FHPath execute()\n") #debug
# the Path needs a 'Base' object
if not obj.Base:
return
# if right type of base
if not obj.Base.isDerivedFrom("Part::Feature"):
FreeCAD.Console.PrintWarning(translate("EM","FHPath can only be based on objects derived from Part::Feature"))
return
# check validity
if obj.Base.Shape.isNull():
FreeCAD.Console.PrintWarning(translate("EM","FHPath base object shape is null"))
return
if not obj.Base.Shape.isValid():
FreeCAD.Console.PrintWarning(translate("EM","FHPath base object shape is invalid"))
return
if obj.Width == None or obj.Width <= 0:
obj.Width = EMFHPATH_DEF_SEGWIDTH
if obj.Height == None or obj.Height <= 0:
obj.Height = EMFHPATH_DEF_SEGHEIGHT
# the FHPath has no Placement in itself; nodes positions will be in absolute
# coordinates, as this is what FastHenry understands.
# The FHSPath Placement is kept at zero, and the 'Base'
# object Position will be used to find the absolute coordinates
# of the vertexes, and the segments cross-section orientation will be
# calculated in absolute coordinates from the Positions rotations.
# This last part is different from FHSegment.
if obj.Placement <> FreeCAD.Placement():
obj.Placement = FreeCAD.Placement()
# define nodes and segments
edges_raw = []
# checking TypeId; cannot check type(obj), too generic
if obj.Base.TypeId == "Sketcher::SketchObject":
if obj.Base.Shape.ShapeType == "Wire":
edges_raw.extend(obj.Base.Shape.Edges)
# compound
elif obj.Base.TypeId == "Part::Compound":
edges_raw.extend(obj.Base.Shape.Edges)
# line or DWire (Draft Wire)
elif obj.Base.TypeId == "Part::Part2DObjectPython":
if obj.Base.Shape.ShapeType == "Wire" or obj.Base.Shape.ShapeType == "Edge":
edges_raw.extend(obj.Base.Shape.Edges)
# wire created by upgrading a set of (connected) edges
elif obj.Base.TypeId == "Part::Feature":
if obj.Base.Shape.ShapeType == "Wire":
edges_raw.extend(obj.Base.Shape.Edges)
# any other part, provided it has a 'Shape' attribute
else:
if hasattr(obj.Base, "Shape"):
edges_raw.extend(obj.Base.Shape.Edges)
else:
FreeCAD.Console.PrintWarning(translate("EM","Unsupported base object type for FHPath"))
return
# sort the edges. Remark: the edge list might be disconnected (e.g. can happen with a compound
# containing different edges / wires / sketches). We will join the dangling endpoints with segments later on
edges = Part.__sortEdges__(edges_raw)
if edges == []:
return
# get the max between the 'obj.Width' and the 'obj.Height'
if obj.Width > obj.Height:
geodim = obj.Width
else:
geodim = obj.Height
# scan edges and derive node positions
self.nodeCoords = []
# initialize 'lastvertex' to the position of the first vertex,
# (as if we had a previous segment)
lastvertex = edges[0].valueAt(edges[0].FirstParameter)
self.nodeCoords.append(lastvertex)
for edge in edges:
# might also rely on "edge.Curve.discretize(Deflection=geodim)"
# where Deflection is the max distance between any point on the curve,
# and the polygon approximating the curve
if type(edge.Curve) == Part.Circle:
# discretize only if required by the user, and if the curvature radius is not too small
# vs. the max between the 'obj.Width' and the 'obj.Height'
if obj.Discr <= 1 or edge.Curve.Radius < geodim*EMFHPATH_TIMESWIDTH:
ddisc = 1
else:
ddisc = obj.Discr
elif type(edge.Curve) == Part.Ellipse:
# discretize
if obj.Discr <= 1 or edge.Curve.MajorRadius < geodim*EMFHPATH_TIMESWIDTH or edge.Curve.MinorRadius < geodim*EMFHPATH_TIMESWIDTH:
ddisc = 1
else:
ddisc = obj.Discr
elif type(edge.Curve) == Part.Line:
# if Part.Line, do not discretize
ddisc = 1
else:
# if any other type of curve, discretize, no matter what.
# It will be up to the user to decide if the discretization is ok.
if obj.Discr <= 1:
ddisc = 1
else:
ddisc = obj.Discr
# check if the edge is not too short (could happen e.g. for Part.Line)
# Note that we calculate the length from 'lastvertex', as we may have skipped also
# some previous edges, if too short in their turn
if edge.Length < geodim*EMFHPATH_TIMESWIDTH:
FreeCAD.Console.PrintWarning(translate("EM","An edge of the Base object supporting the FHPath is too short. FastHenry simulation may fail."))
step = (edge.LastParameter - edge.FirstParameter) / ddisc
# if same the last vertex of the previous edge is coincident
# with the first vertex of the next edge, skip the vertex
if (lastvertex-edge.valueAt(edge.FirstParameter)).Length < EMFHSEGMENT_LENTOL:
start = 1
else:
start = 0
for i in range(start, ddisc):
# always skip last vertex, will add this at the end
self.nodeCoords.append(edge.valueAt(edge.FirstParameter + i*step))
# now add the very last vertex ('LastParameter' provides the exact position)
lastvertex = edge.valueAt(edge.LastParameter)
self.nodeCoords.append(lastvertex)
if len(self.nodeCoords) < 2:
FreeCAD.Console.PrintWarning(translate("EM","Less than two nodes found, cannot create the FHPath"))
return
# find the cross-section orientation of the first segment, according to the 'Base' object Placement.
# If 'obj.ww' is not defined, use the FastHenry default (see makeSegShape() )
self.ww = []
if obj.ww.Length < EMFHSEGMENT_LENTOL:
# this is zero anyway (i.e. below 'EMFHSEGMENT_LENTOL')
self.ww = [Vector(0,0,0)]
else:
# transform 'obj.ww' according to the 'Base' Placement
# (transation is don't care, we worry about rotation)
self.ww = [obj.Base.Placement.multVec(obj.ww)]
shapes = []
# get node positions in absolute coordinates (at least two nodes exist, checked above)
n1 = getAbsCoordBodyPart(obj.Base,self.nodeCoords[0])
n2 = getAbsCoordBodyPart(obj.Base,self.nodeCoords[1])
vNext = n2-n1
for i in range(1, len(self.nodeCoords)):
vPrev = vNext
shape = makeSegShape(n1,n2,obj.Width,obj.Height,self.ww[-1])
shapes.append(shape)
# now we must calculate the cross-section orientation
# of the next segment, i.e. update 'ww'
if i < len(self.nodeCoords)-1:
n1 = n2
n2 = getAbsCoordBodyPart(obj.Base,self.nodeCoords[i+1])
vNext = n2-n1
# get angle in radians
angle = vPrev.getAngle(vNext)
# if the angle is actually greater than EMFHSEGMENT_PARTOL (i.e. the segments are not co-linear
# or almost co-linear)
if angle*FreeCAD.Units.Radian > EMFHSEGMENT_PARTOL:
normal = vPrev.cross(vNext)
# rotate 'ww'
ww = DraftVecUtils.rotate(self.ww[-1],angle,normal)
else:
# otherwise, keep the previous orientation
ww = self.ww[-1]
self.ww.append(ww)
shape = Part.makeCompound(shapes)
# now create or assign FHNodes
nodes = obj.Nodes
numnodes = len(nodes)
modified = False
import EM_FHNode
# if there are less FHNodes than required, extend them
if numnodes < len(self.nodeCoords):
modified = True
for index in range(0,len(self.nodeCoords)-numnodes):
# create a new FHNode at the nodeCoords position
node = EM_FHNode.makeFHNode(X=self.nodeCoords[numnodes+index].x, Y=self.nodeCoords[numnodes+index].y, Z=self.nodeCoords[numnodes+index].z)
# insert the new node before the last (the last node always stays the same,
# to preserve FHPath attachments to other structures, if the FHPath shape changes)
nodes.insert(-1,node)
# if instead there are more FHNodes than required, must remove some of them
elif numnodes > len(self.nodeCoords):
# but do it only if there are more than two nodes left in the FHPath,
# otherwise we assume this is a temporary change of FHPath shape,
# and we preserve the end nodes (do not remove them)
if numnodes > 2:
modified = True
# scan backwards, skipping the last node (last element is 'numnodes-1',
# and range scans up to the last element before 'numnodes-len(self.nodeCoords)-1'
for index in range(numnodes-2,len(self.nodeCoords)-2,-1):
# remove the node from the 'nodes' list, but keeping the last node
node = nodes[index]
nodes.pop(index)
# check if we can safely remove the extra nodes from the Document;
# this can be done only if they do not belong to any other object.
# So if the 'InList' member contains one element only, this is
# the parent FHPath (we actually check for zero as well, even if
# this should never happen), so we can remove the FHNode
if len(node.InList) <= 1:
node.Document.removeObject(node.Name)
# and finally correct node positions
for node, nodeCoord in zip(nodes, self.nodeCoords):
# only if node position is not correct, change it
if (node.Proxy.getAbsCoord()-nodeCoord).Length > EMFHSEGMENT_LENTOL:
node.Proxy.setAbsCoord(nodeCoord)
# only if we modified the list of nodes, re-assign it to the FHPath
if modified:
obj.Nodes = nodes
# shape may be None, e.g. if endpoints coincide. Do not assign in this case
if shape:
obj.Shape = shape
#FreeCAD.Console.PrintWarning("_FHPath execute() ends\n") #debug
def onChanged(self, obj, prop):
''' take action if an object property 'prop' changed
'''
#FreeCAD.Console.PrintWarning("_FHPath onChanged(" + str(prop)+")\n") #debug
if not hasattr(self,"Object"):
# on restore, self.Object is not there anymore (JSON does not serialize complex objects
# members of the class, so __getstate__() and __setstate__() skip them);
# so we must "re-attach" (re-create) the 'self.Object'
self.Object = obj
if not hasattr(self,"ww"):
# on restore, self.ww is not there anymore; must recreate through execute(),
# but first check we have all the needed attributes
if hasattr(obj,"Base"):
if hasattr(obj.Base,"Shape"):
if not obj.Base.Shape.isNull():
if obj.Base.Shape.isValid():
self.execute(obj)
#FreeCAD.Console.PrintWarning("_FHPath onChanged(" + str(prop)+") ends\n") #debug
def serialize(self,fid):
''' Serialize the object to the 'fid' file descriptor
'''
if len(self.Object.Nodes) > 1:
if len(self.Object.Nodes) == len(self.ww)+1:
for index in range(0,len(self.Object.Nodes)-1):
fid.write("E" + self.Object.Label + str(index) + " N" + self.Object.Nodes[index].Label + " N" + self.Object.Nodes[index+1].Label)
fid.write(" w=" + str(self.Object.Width.Value) + " h=" + str(self.Object.Height.Value))
if self.Object.Sigma > 0:
fid.write(" sigma=" + str(self.Object.Sigma))
if self.ww[index].Length >= EMFHSEGMENT_LENTOL:
fid.write(" wx=" + str(self.ww[index].x) + " wy=" + str(self.ww[index].y) + " wz=" + str(self.ww[index].z))
if self.Object.nhinc > 0:
fid.write(" nhinc=" + str(self.Object.nhinc))
if self.Object.nwinc > 0:
fid.write(" nwinc=" + str(self.Object.nwinc))
if self.Object.rh > 0:
fid.write(" rh=" + str(self.Object.rh))
if self.Object.rw > 0:
fid.write(" rw=" + str(self.Object.rw))
fid.write("\n")
else:
FreeCAD.Console.PrintError(translate("EM","Error when serializing FHPath. Number of nodes does not match number of segments + 1"))
else:
FreeCAD.Console.PrintWarning(translate("EM","Cannot serialize FHPath. Less than two nodes found."))
def __getstate__(self):
return self.Type
def __setstate__(self,state):
if state:
self.Type = state
class _ViewProviderFHPath:
def __init__(self, obj):
''' Set this object to the proxy object of the actual view provider '''
obj.Proxy = self
self.Object = obj.Object
def attach(self, obj):
''' Setup the scene sub-graph of the view provider, this method is mandatory '''
# on restore, self.Object is not there anymore (JSON does not serialize complex objects
# members of the class, so __getstate__() and __setstate__() skip them);
# so we must "re-attach" (re-create) the 'self.Object'
self.Object = obj.Object
return
def updateData(self, fp, prop):
''' If a property of the handled feature has changed we have the chance to handle this here '''
#FreeCAD.Console.PrintMessage("ViewProvider updateData(), property: " + str(prop) + "\n") # debug
return
def getDefaultDisplayMode(self):
''' Return the name of the default display mode. It must be defined in getDisplayModes. '''
return "Flat Lines"
def onChanged(self, vp, prop):
''' If the 'prop' property changed for the ViewProvider 'vp' '''
#FreeCAD.Console.PrintMessage("ViewProvider onChanged(), property: " + str(prop) + "\n") # debug
def claimChildren(self):
''' Used to place other objects as children in the tree'''
c = []
if hasattr(self,"Object"):
if hasattr(self.Object,"Base"):
c.append(self.Object.Base)
if hasattr(self.Object,"Nodes"):
c.extend(self.Object.Nodes)
return c
def getIcon(self):
''' Return the icon which will appear in the tree view. This method is optional
and if not defined a default icon is shown.
'''
return os.path.join(iconPath, 'path_icon.svg')
def __getstate__(self):
return None
def __setstate__(self,state):
return None
class _CommandFHPath:
''' The EM FastHenry Path (FHPath) command definition
'''
def GetResources(self):
return {'Pixmap' : os.path.join(iconPath, 'path_icon.svg') ,
'MenuText': QT_TRANSLATE_NOOP("EM_FHPath","FHPath"),
'Accel': "E, T",
'ToolTip': QT_TRANSLATE_NOOP("EM_FHPath","Creates a Path object (set of connected FastHenry segments) from a selected base object (sketch, wire or any shape containing edges)")}
def IsActive(self):
return not FreeCAD.ActiveDocument is None
def Activated(self):
# preferences
#p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/EM")
#self.Width = p.GetFloat("Width",200)
# get the selected object(s)
selection = FreeCADGui.Selection.getSelectionEx()
# if selection is not empty
done = False
for selobj in selection:
# automatic mode
if selobj.Object.isDerivedFrom("Part::Feature"):
FreeCAD.ActiveDocument.openTransaction(translate("EM","Create FHPath"))
FreeCADGui.addModule("EM")
FreeCADGui.doCommand('obj=EM.makeFHPath(FreeCAD.ActiveDocument.'+selobj.Object.Name+')')
# autogrouping, for later on
#FreeCADGui.addModule("Draft")
#FreeCADGui.doCommand("Draft.autogroup(obj)")
FreeCAD.ActiveDocument.commitTransaction()
FreeCAD.ActiveDocument.recompute()
# this is not a mistake. The double recompute() is needed to show the new FHNode object
# that have been created by the first execute(), called upon the first recompute()
FreeCAD.ActiveDocument.recompute()
done = True
if done == False:
FreeCAD.Console.PrintWarning(translate("EM","No valid object found in the selection for the creation of a FHPath. Nothing done."))
if FreeCAD.GuiUp:
FreeCADGui.addCommand('EM_FHPath',_CommandFHPath())

214
EM_FHPlane.py
View File

@ -45,7 +45,7 @@ EMFHNODE_DEF_NODENAMEEXT = "p"
import FreeCAD, FreeCADGui, Mesh, Part, MeshPart, Draft, DraftGeomUtils, os
import numpy as np
from math import sqrt
import EM
from EM_Globals import EMFHNODE_DEF_NODECOLOR
from FreeCAD import Vector
if FreeCAD.GuiUp:
@ -65,15 +65,28 @@ __dir__ = os.path.dirname(__file__)
iconPath = os.path.join( __dir__, 'Resources' )
def makeFHPlane(baseobj=None,thickness=None,seg1=None,seg2=None,nodes=[],holes=[],name='FHPlane'):
'''Creates a FastHenry uniform Plane ('G' statement in FastHenry)
''' Creates a FastHenry uniform Plane ('G' statement in FastHenry)
'baseobj' is the object on which the node is based.
This can be a Part::Box or a Draft::Rectangle.
If no 'baseobj' is given, the user must assign a base
object later on, to be able to use this object.
'baseobj' is the object on which the node is based.
This can be a Part::Box or a Draft::Rectangle.
If no 'baseobj' is given, the user must assign a base
object later on, to be able to use this object.
'thickness' is a float defining the plane thickness. If not defines,
it defaults to EMFHPLANE_DEF_THICKNESS
'seg1' is an integer defining the number of segments
along the x dimension of the plane
('seg1' parameter in FastHenry)
'seg2' is an integer defining the number of segments
along the y dimension of the plane
('seg2' parameter in FastHenry)
'nodes' is an array of FHNode objects, specifying the nodes that
will be adopted by the plane
'holes' is an array of FHPlaneHole objects, specifying the holes that
will be adopted by the plane
'name' is the name of the object
Example:
TBD
plane = makeFHPlane(myDraftRect,thickness=1.0,seg1=15,seg2=15,[App.ActiveDocument.Node001])
'''
obj = FreeCAD.ActiveDocument.addObject("Part::FeaturePython", name)
obj.Label = translate("EM", name)
@ -152,9 +165,11 @@ class _FHPlane:
obj.addProperty("App::PropertyLinkList","Nodes","EM",QT_TRANSLATE_NOOP("App::Property","Nodes for connections to the plane"))
obj.addProperty("App::PropertyLinkList","Holes","EM",QT_TRANSLATE_NOOP("App::Property","Holes in the plane"))
obj.addProperty("App::PropertyBool","FineMesh","Component",QT_TRANSLATE_NOOP("App::Property","Specifies if this the plane fine mesh is shown (i.e. composing segments)"))
obj.addProperty("App::PropertyBool","ShowNodes","Component",QT_TRANSLATE_NOOP("App::Property","Show the internal node grid supporting the plane"))
obj.Proxy = self
self.Type = "FHPlane"
self.FineMesh = False
self.ShowNodes = True
# save the object in the class, to store or retrieve specific data from it
# from within the class
self.Object = obj
@ -267,8 +282,20 @@ class _FHPlane:
# relative to the plane coordinate system
abs_pos = node.Proxy.getAbsCoord()
node.Proxy.setAbsCoord(abs_pos,self.Object.Base.Placement)
# set the Z relative coordinate to zero (node will be on the plane)
node.Z = 0.0
# and change its color to mark that this is a plane node
node.ViewObject.PointColor = EMFHNODE_DEF_PLANENODECOLOR
def removeNode(self,node):
''' Remove a node from the FHPlane
'node': FHNode object
The color of the node will be reverted to the default node color
'''
node.ViewObject.PointColor = EMFHNODE_DEF_NODECOLOR
def adoptHole(self,hole):
''' Adopt a hole in the FHPlane
@ -280,24 +307,33 @@ class _FHPlane:
# relative to the plane coordinate system
abs_pos = hole.Proxy.getAbsCoord()
hole.Proxy.setAbsCoord(abs_pos,self.Object.Base.Placement)
# set the Z relative coordinate to zero (node will be on the plane)
hole.Z = 0.0
def removeHole(self,hole):
''' Remove a hole from the FHPlane
'hole': FHPlaneHole object
'''
return
def makeFinePlane(self,obj,length,width,thickness,segwid1,segwid2):
''' Compute a fine mesh plane shape given:
TBD
TBD
'obj' the FHPlane object
'length' the length of the plane (along the x dimension)
'width' the width of the plane (along the y dimension)
'thickness' the thickness of the plane (along the z dimension)
'segwid1' the width of the segments along the x dimension
'segwid2' the width of the segments along the y dimension
'n1': start node position (Vector)
'n2': end node position (Vector)
'width': segment width
'height': segment height
'ww': cross-section direction (along width)
The function returns a Shape object defining the plane.
The plane is assumed to lie in the standard default position (default Placement)
(with the Placement.Base in the origin, no rotation, and length along x, width along y, thickness along z)
Its placement will be moved and rotated by the caller.
'''
segments=[]
shapes=[]
# prepare the array of the internal nodes of the plane. 'True' means that the node
# exists, i.e. has not been removed due to holes in the plane.
# The number of nodes is equal to the number of segments along the edge plus one;
@ -307,13 +343,11 @@ class _FHPlane:
seg1len=length/obj.seg1
seg2len=width/obj.seg2
#
# debug
for seg1 in range(obj.seg1+1):
for seg2 in range(obj.seg2+1):
shape = Part.Vertex(Vector(seg1len*seg1,seg2len*seg2,-0.1))
segments.append(shape)
# end debug
#
if obj.ShowNodes == True:
for seg1 in range(obj.seg1+1):
for seg2 in range(obj.seg2+1):
shape = Part.Vertex(Vector(seg1len*seg1,seg2len*seg2,-0.1))
shapes.append(shape)
# now process the holes
for hole in obj.Holes:
if hole.Type == 'Point':
@ -369,7 +403,7 @@ class _FHPlane:
if nodes[seg1][seg2] and nodes[seg1+1][seg2]:
# makeBox(length, width, height, point, direction)
boxshape = Part.makeBox(seg1len,segwid1,thickness,Vector(seg1len*seg1,-segwid1/2+seg2len*seg2,0))
segments.append(boxshape)
shapes.append(boxshape)
# layout segments along plane width
for seg1 in range(obj.seg1+1):
for seg2 in range(obj.seg2):
@ -377,16 +411,19 @@ class _FHPlane:
if nodes[seg1][seg2] and nodes[seg1][seg2+1]:
# makeBox(length, width, height, point, direction)
boxshape = Part.makeBox(segwid2,seg2len,thickness,Vector(-segwid2/2+seg1len*seg1,seg2len*seg2,0))
segments.append(boxshape)
shape = Part.makeCompound(segments)
shapes.append(boxshape)
shape = Part.makeCompound(shapes)
return shape
def findNearestNode(self,x_coord,y_coord,obj,seg1len,seg2len):
''' find the plane node nearest to the given point (in local plane coordinates)
''' Find the plane node nearest to the given point (in local plane coordinates)
'x_coord' and 'y_coord' are the point coordinates, of type Base.Quantity
'obj' is the FHPlane object
'seg1len' and 'seg2len' are the lengths of the segments along the lenght and width, respectively
'x_coord' and 'y_coord' are the point coordinates, of type Base.Quantity
'obj' is the FHPlane object
'seg1len' and 'seg2len' are the lengths of the segments along the lenght and width, respectively
The function returns a tuple containing two integers corresponding to the node
position within the plane array of internal nodes.
'''
# as we cast to int, + 0.5 is used to approximate to the next larger int
# if greater than x.5 and to the previous smaller int otherwise
@ -403,6 +440,14 @@ class _FHPlane:
nodeY = obj.seg2
return (nodeX,nodeY)
def onBeforeChange(self, obj, prop):
''' take action before the 'obj' object 'prop' will change
'''
# save current list of nodes and holes, before the change,
# to be able to see which nodes/holes have been added or removed
self.Nodes = obj.Nodes
self.Holes = obj.Holes
def onChanged(self, obj, prop):
''' take action if an object property 'prop' changed
'''
@ -413,11 +458,27 @@ class _FHPlane:
# so we must "re-attach" (re-create) the 'self.Object'
self.Object = obj
if prop == "Nodes":
# check for new nodes
for node in obj.Nodes:
self.adoptNode(node)
# if the node has been just added to the plane, adopt it
if not node in self.Nodes:
self.adoptNode(node)
# check for removed nodes
for node in self.Nodes:
# if the node is not present any more in the plane, remove it
if not node in obj.Nodes:
self.removeNode(node)
if prop == "Holes":
# check for new holes
for hole in obj.Holes:
self.adoptHole(hole)
# if the hole has been just added to the plane, adopt it
if not hole in self.Holes:
self.adoptHole(hole)
# check for removed holes
for hole in self.Holes:
# if the hole is not present any more in the plane, remove it
if not hole in obj.Holes:
self.removeHole(hole)
def serialize(self,fid):
''' Serialize the object to the 'fid' file descriptor
@ -508,9 +569,8 @@ class _ViewProviderFHPlane:
return
def updateData(self, fp, prop):
''' Print the name of the property that has changed '''
#FreeCAD.Console.PrintMessage("ViewProvider updateData(), property: " + str(prop) + "\n")
''' If a property of the handled feature has changed we have the chance to handle this here '''
#FreeCAD.Console.PrintMessage("ViewProvider updateData(), property: " + str(prop) + "\n") # debug
return
def getDefaultDisplayMode(self):
@ -518,8 +578,8 @@ class _ViewProviderFHPlane:
return "Flat Lines"
def onChanged(self, vp, prop):
''' Print the name of the property that has changed '''
#FreeCAD.Console.PrintMessage("ViewProvider onChanged(), property: " + str(prop) + "\n")
''' If the 'prop' property changed for the ViewProvider 'vp' '''
#FreeCAD.Console.PrintMessage("ViewProvider onChanged(), property: " + str(prop) + "\n") # debug
def claimChildren(self):
''' Used to place other objects as childrens in the tree'''
@ -534,7 +594,7 @@ class _ViewProviderFHPlane:
return c
def getIcon(self):
''' Return the icon in XMP format which will appear in the tree view. This method is optional
''' Return the icon which will appear in the tree view. This method is optional
and if not defined a default icon is shown.
'''
return os.path.join(iconPath, 'plane_icon.svg')
@ -552,7 +612,7 @@ class _CommandFHPlane:
return {'Pixmap' : os.path.join(iconPath, 'plane_icon.svg') ,
'MenuText': QT_TRANSLATE_NOOP("EM_FHPlane","FHPlane"),
'Accel': "E, P",
'ToolTip': QT_TRANSLATE_NOOP("EM_FHPlane","Creates a FastHenry uniform Plane object from scratch or from a selected base object (Part::Box or Draft::Rectangle)")}
'ToolTip': QT_TRANSLATE_NOOP("EM_FHPlane","Creates a FastHenry uniform Plane object from a selected base object (Part::Box or Draft::Rectangle)")}
def IsActive(self):
return not FreeCAD.ActiveDocument is None
@ -602,5 +662,85 @@ class _CommandFHPlane:
else:
FreeCAD.Console.PrintWarning(translate("EM","No base Part::Box or Draft::Rectangle selected. Cannot create a FHPlane.\n"))
class _CommandFHPlaneAddRemoveNodeHole:
''' The EM FastHenry uniform Plane (FHPlane) add, or remove, Node, or Hole, command definition
'''
def GetResources(self):
return {'Pixmap' : os.path.join(iconPath, 'plane_addremovenodehole_icon.svg') ,
'MenuText': QT_TRANSLATE_NOOP("EM_FHPlaneAddRemoveNodeHole","FHPlaneAddRemoveNodeHole"),
'Accel': "E, A",
'ToolTip': QT_TRANSLATE_NOOP("EM_FHPlaneAddRemoveNodeHole","Add/remove FHNodes or FHPlaneHoles to/from a FastHenry uniform Plane object")}
def IsActive(self):
return not FreeCAD.ActiveDocument is None
def Activated(self):
# preferences
#p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/EM")
#self.Width = p.GetFloat("Width",200)
# get the selected object(s)
selection = FreeCADGui.Selection.getSelectionEx()
plane = None
nodes = []
holes = []
# if selection is not empty
for selobj in selection:
# find the FHPlane
if Draft.getType(selobj.Object) == "FHPlane":
plane = selobj.Object
elif Draft.getType(selobj.Object) == "FHNode":
nodes.append(selobj.Object)
elif Draft.getType(selobj.Object) == "FHPlaneHole":
holes.append(selobj.Object)
# whether or not a plane is selected, nodes/holes to be removed belong to a plane.
# Let's start with them.
addnodes = []
for node in nodes:
found = False
for parent in node.InList:
if Draft.getType(parent) == "FHPlane":
# parent found, now remove the node
FreeCAD.ActiveDocument.openTransaction(translate("EM","Remove FHPlane Node"))
FreeCADGui.addModule("EM")
FreeCADGui.doCommand('nodes = FreeCAD.ActiveDocument.'+parent.Name+'.Nodes')
FreeCADGui.doCommand('nodes.remove(FreeCAD.ActiveDocument.'+node.Name+')')
FreeCADGui.doCommand('FreeCAD.ActiveDocument.'+parent.Name+'.Nodes = nodes')
FreeCAD.ActiveDocument.commitTransaction()
found = True
if found == False:
addnodes.append(node)
addholes = []
for hole in holes:
found = False
for parent in hole.InList:
if Draft.getType(parent) == "FHPlane":
# parent found, now remove the hole
FreeCAD.ActiveDocument.openTransaction(translate("EM","Remove FHPlane Hole"))
FreeCADGui.addModule("EM")
FreeCADGui.doCommand('holes = FreeCAD.ActiveDocument.'+parent.Name+'.Holes')
FreeCADGui.doCommand('holes.remove(FreeCAD.ActiveDocument.'+hole.Name+')')
FreeCADGui.doCommand('FreeCAD.ActiveDocument.'+parent.Name+'.Holes = holes')
FreeCAD.ActiveDocument.commitTransaction()
found = True
if found == False:
addholes.append(hole)
# the remaining nodes/holes can only be added to a plane. For this we need a plane
# in the selection
if plane:
FreeCAD.ActiveDocument.openTransaction(translate("EM","Add nodes / holes to the FHPlane"))
FreeCADGui.addModule("EM")
FreeCADGui.doCommand('nodeList = FreeCAD.ActiveDocument.'+plane.Name+'.Nodes')
for node in addnodes:
FreeCADGui.doCommand('nodeList.append(FreeCAD.ActiveDocument.'+node.Name+')')
FreeCADGui.doCommand('FreeCAD.ActiveDocument.'+plane.Name+'.Nodes = nodeList')
FreeCADGui.doCommand('holeList = FreeCAD.ActiveDocument.'+plane.Name+'.Holes')
for hole in addholes:
FreeCADGui.doCommand('holeList.append(FreeCAD.ActiveDocument.'+hole.Name+')')
FreeCADGui.doCommand('FreeCAD.ActiveDocument.'+plane.Name+'.Holes = holeList')
FreeCAD.ActiveDocument.commitTransaction()
# recompute the document (assuming something has changed; otherwise this is dummy)
FreeCAD.ActiveDocument.recompute()
if FreeCAD.GuiUp:
FreeCADGui.addCommand('EM_FHPlane',_CommandFHPlane())
FreeCADGui.addCommand('EM_FHPlaneAddRemoveNodeHole',_CommandFHPlaneAddRemoveNodeHole())

61
EM_FHPlaneHole.py
View File

@ -55,17 +55,28 @@ __dir__ = os.path.dirname(__file__)
iconPath = os.path.join( __dir__, 'Resources' )
def makeFHPlaneHole(baseobj=None,X=0.0,Y=0.0,Z=0.0,holetype=None,length=None,width=None,radius=None,name='FHPlaneHole'):
'''Creates a FastHenry conductive plane hole (within a uniform plane 'G' statement in FastHenry)
''' Creates a FastHenry conductive plane hole (within a uniform plane 'G' statement in FastHenry)
'baseobj' is the point object on which the node is based.
If no 'baseobj' is given, the user must assign a base
object later on, to be able to use this object.
'baseobj' is the point object whose position is used as base for the FNNode.
It has priority over X,Y,Z.
If no 'baseobj' is given, X,Y,Z are used as coordinates
'X' x coordinate of the hole, in absolute coordinate system
'Y' y coordinate of the hole, in absolute coordinate system
'Z' z coordinate of the hole, in absolute coordinate system
'holetype' is the type of hole. Allowed values are:
"Point", "Rect", "Circle"
'length' is the length of the hole (along the x dimension),
in case of rectangular "Rect" hole
'width' the width of the hole (along the y dimension),
in case of rectangular "Rect" hole
'radius' is the radius of the hole, in case of circular "Circle" hole
'name' is the name of the object
The FHPlaneHole has to be used only within a FHPlane object. The FHPlaneHole
will be taken as child by the FHPlane.
The FHPlaneHole has to be used only within a FHPlane object. The FHPlaneHole
will be taken as child by the FHPlane.
Example:
TBD
hole = makeFHPlaneHole(X=1.0,Y=1.0,Z=0.0,holetype="Rect",length=1.0,width=2.0)
'''
obj = FreeCAD.ActiveDocument.addObject("Part::FeaturePython", name)
obj.Label = translate("EM", name)
@ -196,12 +207,13 @@ class _FHPlaneHole:
fid.write("\n")
def getAbsCoord(self):
''' Get a FreeCAD.Vector containing the absolute reference point coordinates
''' Get a FreeCAD.Vector containing the reference point coordinates
in the absolute reference system
'''
return self.Object.Placement.multVec(Vector(self.Object.X, self.Object.Y, self.Object.Z))
def getRelCoord(self):
''' Get a FreeCAD.Vector containing the relative reference point coordinates w.r.t. the Placement
''' Get a FreeCAD.Vector containing the hole coordinates relative to the FHPlaneHole Placement
These coordinates correspond to (self.Object.X, self.Object.Y, self.Object.Z),
that are the same as self.Object.Placement.inverse().multVec(reference_point_pos))
@ -209,10 +221,10 @@ class _FHPlaneHole:
return Vector(self.Object.X,self.Object.Y,self.Object.Z)
def setRelCoord(self,rel_coord,placement=None):
''' Sets the relative reference point position w.r.t. the placement
''' Sets the hole position relative to the placement
'rel_coord': FreeCAD.Vector containing the relative reference point coordinates w.r.t. the Placement
'placement': the new placement. If 'None', the placement is not changed
'rel_coord': FreeCAD.Vector containing the hole coordinates relative to the FHPlaneHole Placement
'placement': a new FHPlaneHole placement. If 'None', the placement is not changed
Remark: the function will not recalculate() the object (i.e. change of position is not visible
just by calling this function)
@ -228,8 +240,8 @@ class _FHPlaneHole:
def setAbsCoord(self,abs_coord,placement=None):
''' Sets the absolute reference point position, considering the object placement, and in case forcing a new placement
'abs_coord': FreeCAD.Vector containing the absolute reference point coordinates
'placement': the new placement. If 'None', the placement is not changed
'abs_coord': FreeCAD.Vector containing the hole coordinates in the absolute reference system
'placement': a new placement. If 'None', the placement is not changed
Remark: the function will not recalculate() the object (i.e. change of position is not visible
just by calling this function)
@ -265,9 +277,8 @@ class _ViewProviderFHPlaneHole:
return
def updateData(self, fp, prop):
''' Print the name of the property that has changed '''
#FreeCAD.Console.PrintMessage("ViewProvider updateData(), property: " + str(prop) + "\n")
''' If a property of the handled feature has changed we have the chance to handle this here '''
#FreeCAD.Console.PrintMessage("ViewProvider updateData(), property: " + str(prop) + "\n") # debug
return
def getDefaultDisplayMode(self):
@ -275,11 +286,11 @@ class _ViewProviderFHPlaneHole:
return "Flat Lines"
def onChanged(self, vp, prop):
''' Print the name of the property that has changed '''
#FreeCAD.Console.PrintMessage("ViewProvider onChanged(), property: " + str(prop) + "\n")
''' If the 'prop' property changed for the ViewProvider 'vp' '''
#FreeCAD.Console.PrintMessage("ViewProvider onChanged(), property: " + str(prop) + "\n") # debug
def getIcon(self):
''' Return the icon in XMP format which will appear in the tree view. This method is optional
''' Return the icon which will appear in the tree view. This method is optional
and if not defined a default icon is shown.
'''
return os.path.join(iconPath, 'planehole_icon.svg')
@ -323,12 +334,12 @@ class _CommandFHPlaneHole:
done = True
# if no selection, or nothing good in the selected objects
if not done:
#FreeCAD.DraftWorkingPlane.setup()
FreeCAD.DraftWorkingPlane.setup()
# get a 3D point via Snapper, setting the callback functions
FreeCADGui.Snapper.getPoint(callback=self.getPoint)
def getPoint(self,point=None,obj=None):
"this function is called by the snapper when it has a 3D point"
'''This function is called by the Snapper when it has a 3D point'''
if point == None:
return
coord = FreeCAD.DraftWorkingPlane.getLocalCoords(point)
@ -341,6 +352,14 @@ class _CommandFHPlaneHole:
#if self.continueCmd:
# self.Activated()
# this is used to display the global point position information
# in the Snapper user interface. By default it would display the relative
# point position on the DraftWorkingPlane (see DraftSnap.py, move() member).
# This would be different from the behavior of Draft.Point command.
def move(self,point=None,snapInfo=None):
if FreeCADGui.Snapper.ui:
FreeCADGui.Snapper.ui.displayPoint(point)
if FreeCAD.GuiUp:
FreeCADGui.addCommand('EM_FHPlaneHole',_CommandFHPlaneHole())

25
EM_FHPort.py
View File

@ -36,7 +36,6 @@ __url__ = "http://www.fastfieldsolvers.com"
EMFHPORT_LENTOL = 1e-12
import FreeCAD, FreeCADGui, Mesh, Part, MeshPart, Draft, DraftGeomUtils, os
import EM
from FreeCAD import Vector
if FreeCAD.GuiUp:
@ -58,11 +57,12 @@ iconPath = os.path.join( __dir__, 'Resources' )
def makeFHPort(nodeStart=None,nodeEnd=None,name='FHPort'):
''' Creates a FastHenry port ('.external' statement in FastHenry)
'nodeStart' is the positive node
'nodeEnd' is the negative node
'nodeStart' is the positive node FHNode object
'nodeEnd' is the negative node FHNode object
'name' is the name of the object
Example:
TBD
port = makeFHPort(App.ActiveDocument.FHNode,App.ActiveDocument.FHNode001)
'''
obj = FreeCAD.ActiveDocument.addObject("Part::FeaturePython", name)
obj.Label = translate("EM", name)
@ -128,8 +128,8 @@ class _FHPort:
def makePortShape(self,n1,n2):
''' Compute a port shape given:
'n1': start node position (Vector)
'n2': end node position (Vector)
'n1': start node position (FreeCAD.Vector)
'n2': end node position (FreeCAD.Vector)
'''
# do not accept coincident nodes
if (n2-n1).Length < EMFHPORT_LENTOL:
@ -185,9 +185,8 @@ class _ViewProviderFHPort:
return
def updateData(self, fp, prop):
''' Print the name of the property that has changed '''
#FreeCAD.Console.PrintMessage("ViewProvider updateData(), property: " + str(prop) + "\n")
''' If a property of the handled feature has changed we have the chance to handle this here '''
#FreeCAD.Console.PrintMessage("ViewProvider updateData(), property: " + str(prop) + "\n") # debug
return
def getDefaultDisplayMode(self):
@ -195,8 +194,8 @@ class _ViewProviderFHPort:
return "Flat Lines"
def onChanged(self, vp, prop):
''' Print the name of the property that has changed '''
#FreeCAD.Console.PrintMessage("ViewProvider onChanged(), property: " + str(prop) + "\n")
''' If the 'prop' property changed for the ViewProvider 'vp' '''
#FreeCAD.Console.PrintMessage("ViewProvider onChanged(), property: " + str(prop) + "\n") # debug
def claimChildren(self):
''' Used to place other objects as childrens in the tree'''
@ -209,9 +208,9 @@ class _ViewProviderFHPort:
return c
def getIcon(self):
''' Return the icon in XMP format which will appear in the tree view. This method is optional
''' Return the icon which will appear in the tree view. This method is optional
and if not defined a default icon is shown.
'''
'''
return os.path.join(iconPath, 'port_icon.svg')
def __getstate__(self):
@ -233,8 +232,6 @@ class _CommandFHPort:
return not FreeCAD.ActiveDocument is None
def Activated(self):
# init properties (future)
#self.Length = None
# preferences
#p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/EM")
#self.Width = p.GetFloat("Width",200)

144
EM_FHSegment.py
View File

@ -33,13 +33,11 @@ __url__ = "http://www.fastfieldsolvers.com"
#
EMFHSEGMENT_DEF_SEGWIDTH = 0.2
EMFHSEGMENT_DEF_SEGHEIGHT = 0.2
# tolerance in degrees when verifying if vectors are parallel
EMFHSEGMENT_PARTOL = 0.01
# tolerance in length
EMFHSEGMENT_LENTOL = 1e-12
# imported defines
from EM_Globals import EMFHSEGMENT_PARTOL, EMFHSEGMENT_LENTOL
import FreeCAD, FreeCADGui, Mesh, Part, MeshPart, Draft, DraftGeomUtils, os
import EM
from EM_Globals import makeSegShape
from FreeCAD import Vector
if FreeCAD.GuiUp:
@ -59,14 +57,17 @@ __dir__ = os.path.dirname(__file__)
iconPath = os.path.join( __dir__, 'Resources' )
def makeFHSegment(baseobj=None,nodeStart=None,nodeEnd=None,name='FHSegment'):
'''Creates a FastHenry segment ('E' statement in FastHenry)
''' Creates a FastHenry segment ('E' statement in FastHenry)
'baseobj' is the line object on which the node is based.
If no 'baseobj' is given, the user must assign a base
object later on, to be able to use this object.
'baseobj' is the line object on which the node is based.
If no 'baseobj' is given, the user must provide the
'nodeStart' and 'nodeEnd' parameters.
'nodeStart' is the segment starting node FHNode object
'nodeEnd' is the segment ending node FHNode object
'name' is the name of the object
Example:
TBD
segment = makeFHSegment(nodeStart=App.ActiveDocument.FHNode002,nodeEnd=App.ActiveDocument.FHNode003)
'''
obj = FreeCAD.ActiveDocument.addObject("Part::FeaturePython", name)
obj.Label = translate("EM", name)
@ -89,9 +90,10 @@ def makeFHSegment(baseobj=None,nodeStart=None,nodeEnd=None,name='FHSegment'):
if baseobj and not obj.NodeStart and not obj.NodeEnd:
if Draft.getType(baseobj) == "Wire":
if len(baseobj.Shape.Vertexes) == 2:
import EM_FHNode
obj.Base = baseobj
obj.NodeStart = EM.makeFHNode(X=obj.Base.Start.x, Y=obj.Base.Start.y, Z=obj.Base.Start.z)
obj.NodeEnd = EM.makeFHNode(X=obj.Base.End.x, Y=obj.Base.End.y, Z=obj.Base.End.z)
obj.NodeStart = EM_FHNode.makeFHNode(X=obj.Base.Start.x, Y=obj.Base.Start.y, Z=obj.Base.Start.z)
obj.NodeEnd = EM_FHNode.makeFHNode(X=obj.Base.End.x, Y=obj.Base.End.y, Z=obj.Base.End.z)
else:
FreeCAD.Console.PrintWarning(translate("EM","FHSegments can only be based on Line objects (not multi-segment wires)"))
else:
@ -126,6 +128,7 @@ class _FHSegment:
def execute(self, obj):
''' this method is mandatory. It is called on Document.recompute()
'''
#FreeCAD.Console.PrintWarning("_FHSegment execute()\n") #debug
if obj.NodeStart == None:
return
elif Draft.getType(obj.NodeStart) <> "FHNode":
@ -136,6 +139,17 @@ class _FHSegment:
elif Draft.getType(obj.NodeEnd) <> "FHNode":
FreeCAD.Console.PrintWarning(translate("EM","NodeEnd is not a FHNode"))
return
# the FHSegment has no Placement in itself:
# 1) either it has the same placement of the Base object
# (FHSegment will track the Base object, if present)
# However, since the Base object is a Draft::Wire, the 'Start' and 'End' points
# are in absolute coordinates.
# 2) or it has a position defined by the endpoint nodes
# So let's keep the FHSegment placement at zero, and use the FHNodes to move the segment position.
# This is also necessary as we should not change the segment cross-section orientation
# using the Placement, otherwise it will not be relative to the global axis system
if obj.Placement <> FreeCAD.Placement():
obj.Placement = FreeCAD.Placement()
# check if we have a 'Base' object; if so, if segment end nodes
# were already defined, re-set them according to the 'Base' object;
# this means that the user cannot move freely the end nodes, if
@ -150,10 +164,6 @@ class _FHSegment:
return
# ok, it's valid. Let's verify if this is a Wire.
if Draft.getType(obj.Base) == "Wire":
# set the FHSegment Placement to the same placement of the Base object
# (FHSegment will track the Base object, if present)
#obj.Placement = obj.Base.Placement
obj.Placement = FreeCAD.Placement()
if obj.NodeStart <> None:
abs_pos = obj.NodeStart.Proxy.getAbsCoord()
# 'obj.Base.Start' is an absolute position
@ -172,96 +182,27 @@ class _FHSegment:
obj.Height = EMFHSEGMENT_DEF_SEGHEIGHT
# and finally, if everything is ok, make and assing the shape
self.assignShape(obj)
#FreeCAD.Console.PrintWarning("_FHSegment execute() ends\n") #debug
def assignShape(self, obj):
''' Compute and assign the shape to the object 'obj' '''
n1 = obj.NodeStart.Proxy.getAbsCoord()
n2 = obj.NodeEnd.Proxy.getAbsCoord()
shape = self.makeSegShape(n1,n2,obj.Width,obj.Height,obj.ww)
shape = makeSegShape(n1,n2,obj.Width,obj.Height,obj.ww)
# shape may be None, e.g. if endpoints coincide. Do not assign in this case
if shape:
obj.Shape = shape
def makeSegShape(self,n1,n2,width,height,ww):
''' Compute a segment shape given:
'n1': start node position (Vector)
'n2': end node position (Vector)
'width': segment width
'height': segment height
'ww': cross-section direction (along width)
'''
# do not accept coincident nodes
if (n2-n1).Length < EMFHSEGMENT_LENTOL:
return None
# vector along length
wl = n2-n1;
# calculate the vector along the height
wh = (ww.cross(wl))
# if cross-section is not defined, by default the width vector
# is assumed to lie in x-y plane perpendicular to the length.
# If the length direction is parallel to the z-axis, then
# the width is assumed along the x-axis.
# The same is done if 'ww' has been defined parallel to 'wl'
if ww.Length < EMFHSEGMENT_LENTOL or wh.Length < EMFHSEGMENT_LENTOL:
# if length parallel to the z-axis
if wl.getAngle(Vector(0,0,1))*FreeCAD.Units.Radian < EMFHSEGMENT_PARTOL:
ww = Vector(1,0,0)
else:
ww = (wl.cross(Vector(0,0,1))).normalize()
# and re-calculate 'wh' since we changed 'ww'
wh = (ww.cross(wl))
# normalize the freshly calculated 'wh'
wh.normalize()
# copy ww as the multiply() method changes the vector on which is called
wwHalf = Vector(ww)
# must normalize. We don't want to touch 'ww', as this is user's defined
wwHalf.normalize()
wwHalf.multiply(width / 2)
# copy wh as the multiply() method changes the vector on which is called
whHalf = Vector(wh)
whHalf.multiply(height / 2)
# calculate the vertexes
v11 = n1 - wwHalf - whHalf
v12 = n1 + wwHalf - whHalf
v13 = n1 + wwHalf + whHalf
v14 = n1 - wwHalf + whHalf
v21 = n2 - wwHalf - whHalf
v22 = n2 + wwHalf - whHalf
v23 = n2 + wwHalf + whHalf
v24 = n2 - wwHalf + whHalf
# now make faces
# front
poly = Part.makePolygon( [v11,v12,v13,v14,v11])
face1 = Part.Face(poly)
# back
poly = Part.makePolygon( [v21,v24,v23,v22,v21])
face2 = Part.Face(poly)
# left
poly = Part.makePolygon( [v11,v14,v24,v21,v11])
face3 = Part.Face(poly)
# right
poly = Part.makePolygon( [v12,v22,v23,v13,v12])
face4 = Part.Face(poly)
# top
poly = Part.makePolygon( [v14,v13,v23,v24,v14])
face5 = Part.Face(poly)
# bottom
poly = Part.makePolygon( [v11,v21,v22,v12,v11])
face6 = Part.Face(poly)
# create a shell. Does not need to be solid.
segShell = Part.makeShell([face1,face2,face3,face4,face5,face6])
return segShell
def onChanged(self, obj, prop):
''' take action if an object property 'prop' changed
'''
#FreeCAD.Console.PrintWarning("\n_FHSegment onChanged(" + str(prop)+")\n") #debug
#FreeCAD.Console.PrintWarning("_FHSegment onChanged(" + str(prop)+")\n") #debug
if not hasattr(self,"Object"):
# on restore, self.Object is not there anymore (JSON does not serialize complex objects
# members of the class, so __getstate__() and __setstate__() skip them);
# so we must "re-attach" (re-create) the 'self.Object'
self.Object = obj
#FreeCAD.Console.PrintWarning("_FHSegment onChanged(" + str(prop)+") ends\n") #debug
def serialize(self,fid):
''' Serialize the object to the 'fid' file descriptor
@ -304,9 +245,8 @@ class _ViewProviderFHSegment:
return
def updateData(self, fp, prop):
''' Print the name of the property that has changed '''
#FreeCAD.Console.PrintMessage("ViewProvider updateData(), property: " + str(prop) + "\n")
''' If a property of the handled feature has changed we have the chance to handle this here '''
#FreeCAD.Console.PrintMessage("ViewProvider updateData(), property: " + str(prop) + "\n") # debug
return
def getDefaultDisplayMode(self):
@ -314,8 +254,8 @@ class _ViewProviderFHSegment:
return "Flat Lines"
def onChanged(self, vp, prop):
''' Print the name of the property that has changed '''
#FreeCAD.Console.PrintMessage("ViewProvider onChanged(), property: " + str(prop) + "\n")
''' If the 'prop' property changed for the ViewProvider 'vp' '''
#FreeCAD.Console.PrintMessage("ViewProvider onChanged(), property: " + str(prop) + "\n") # debug
def claimChildren(self):
''' Used to place other objects as childrens in the tree'''
@ -330,7 +270,7 @@ class _ViewProviderFHSegment:
return c
def getIcon(self):
''' Return the icon in XMP format which will appear in the tree view. This method is optional
''' Return the icon which will appear in the tree view. This method is optional
and if not defined a default icon is shown.
'''
return os.path.join(iconPath, 'segment_icon.svg')
@ -354,8 +294,6 @@ class _CommandFHSegment:
return not FreeCAD.ActiveDocument is None
def Activated(self):
# init properties (future)
#self.Length = None
# preferences
#p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/EM")
#self.Width = p.GetFloat("Width",200)
@ -396,7 +334,7 @@ class _CommandFHSegment:
done = True
# if no selection, or nothing good in the selected objects
if not done:
#FreeCAD.DraftWorkingPlane.setup()
FreeCAD.DraftWorkingPlane.setup()
# get two 3D point via Snapper, setting the callback functions
self.points = []
FreeCADGui.Snapper.getPoint(callback=self.getPoint)
@ -408,10 +346,8 @@ class _CommandFHSegment:
self.points.append(point)
if len(self.points) == 1:
# get the second point
FreeCADGui.Snapper.getPoint(last=self.points[0],callback=self.getPoint)
FreeCADGui.Snapper.getPoint(last=self.points[0],callback=self.getPoint,movecallback=self.move)
elif len(self.points) >= 2:
#coord1 = FreeCAD.DraftWorkingPlane.getLocalCoords(self.points[0])
#coord2 = FreeCAD.DraftWorkingPlane.getLocalCoords(self.points[1])
coord1 = self.points[0]
coord2 = self.points[1]
FreeCAD.ActiveDocument.openTransaction(translate("EM","Create FHNode"))
@ -427,6 +363,14 @@ class _CommandFHSegment:
#if self.continueCmd:
# self.Activated()
# this is used to display the global point position information
# in the Snapper user interface. By default it would display the relative
# point position on the DraftWorkingPlane (see DraftSnap.py, move() member).
# This would be different from the behavior of Draft.Point command.
def move(self,point=None,snapInfo=None):
if FreeCADGui.Snapper.ui:
FreeCADGui.Snapper.ui.displayPoint(point)
if FreeCAD.GuiUp:
FreeCADGui.addCommand('EM_FHSegment',_CommandFHSegment())

50
EM_FHSolver.py
View File

@ -48,7 +48,6 @@ EMFHSOLVER_DEFNDEC = 1
EMFHSOLVER_DEF_FILENAME = "fasthenry_input_file.inp"
import FreeCAD, FreeCADGui, Mesh, Part, MeshPart, Draft, DraftGeomUtils, os
import EM
from FreeCAD import Vector
if FreeCAD.GuiUp:
@ -67,11 +66,34 @@ else:
__dir__ = os.path.dirname(__file__)
iconPath = os.path.join( __dir__, 'Resources' )
def makeFHSolver(units=None,sigma=None,nhinc=None,nwinc=None,rh=None,rw=None,fmin=None,fmax=None,ndec=None,filename=None,name='FHSolver'):
'''Creates a FastHenry Solver object (all statements needed for the simulation)
def makeFHSolver(units=None,sigma=None,nhinc=None,nwinc=None,rh=None,rw=None,fmin=None,fmax=None,ndec=None,folder=None,filename=None,name='FHSolver'):
''' Creates a FastHenry Solver object (all statements needed for the simulation)
'units' is the FastHenry unit of measurement. Each unit in FreeCad will be
one unit of the corresponding unit of measurement in FastHenry.
Allowed values are: "km", "m", "cm", "mm", "um", "in", "mils".
Defaults to EMFHSOLVER_DEFUNITS
'sigma' is the float default conductivity. Defaults to EMFHSOLVER_DEF_SEGSIGMA
'nhinc' is the integer default nhinc parameter in FastHenry, for defining
the segment height discretization into filaments. Defaults to EMFHSOLVER_DEFNHINC
'nwinc' is the integer default nwinc parameter in FastHenry, for defining
the segment width discretization into filaments. Defaults to EMFHSOLVER_DEFNWINC
'rh' is the integer default rh parameter in FastHenry, for defining
the segment height discretization ratio. Defaults to EMFHSOLVER_DEFRH
'rw' is the integer default rw parameter in FastHenry, for defining
the segment width discretization ratio. Defaults to EMFHSOLVER_DEFRW
'fmin' is the float minimum simulation frequency
'fmax' is the float maximum simulation frequency
'ndec' is the float value defining how many frequency points per decade
will be simulated
'folder' is the folder into which the FastHenry file will be saved.
Defaults to the user's home path (e.g. in Windows "C:\Documents
and Settings\username\My Documents", in Linux "/home/username")
'filename' is the name of the file that will be exported.
Defaults to EMFHSOLVER_DEF_FILENAME
'name' is the name of the object
Example:
TBD
solver = makeFHSolver()
'''
obj = FreeCAD.ActiveDocument.addObject("Part::FeaturePython", name)
obj.Label = translate("EM", name)
@ -126,6 +148,12 @@ def makeFHSolver(units=None,sigma=None,nhinc=None,nwinc=None,rh=None,rw=None,fmi
obj.Filename = filename
else:
obj.Filename = EMFHSOLVER_DEF_FILENAME
if folder:
obj.Folder = folder
else:
# if not specified, default to the user's home path
# (e.g. in Windows "C:\Documents and Settings\username\My Documents", in Linux "/home/username")
obj.Folder = FreeCAD.ConfigGet("UserHomePath")
# return the newly created Python object
return obj
@ -142,7 +170,8 @@ class _FHSolver:
obj.addProperty("App::PropertyFloat","fmin","EM",QT_TRANSLATE_NOOP("App::Property","Lowest simulation frequency ('fmin' parameter in '.freq')"))
obj.addProperty("App::PropertyFloat","fmax","EM",QT_TRANSLATE_NOOP("App::Property","Highest simulation frequency ('fmzx' parameter in '.freq')"))
obj.addProperty("App::PropertyFloat","ndec","EM",QT_TRANSLATE_NOOP("App::Property","Number of desired frequency points per decade ('ndec' parameter in '.freq')"))
obj.addProperty("App::PropertyFile","Filename","EM",QT_TRANSLATE_NOOP("App::Property","Simulation filename when exporting to FastHenry input file format"))
obj.addProperty("App::PropertyPath","Folder","EM",QT_TRANSLATE_NOOP("App::Property","Folder path for exporting the file in FastHenry input file format"))
obj.addProperty("App::PropertyString","Filename","EM",QT_TRANSLATE_NOOP("App::Property","Simulation filename when exporting to FastHenry input file format"))
obj.Proxy = self
self.Type = "FHSolver"
obj.Units = EMFHSOLVER_UNITS
@ -202,9 +231,8 @@ class _ViewProviderFHSolver:
return
def updateData(self, fp, prop):
''' Print the name of the property that has changed '''
#FreeCAD.Console.PrintMessage("ViewProvider updateData(), property: " + str(prop) + "\n")
''' If a property of the handled feature has changed we have the chance to handle this here '''
#FreeCAD.Console.PrintMessage("ViewProvider updateData(), property: " + str(prop) + "\n") # debug
return
def getDefaultDisplayMode(self):
@ -212,11 +240,11 @@ class _ViewProviderFHSolver:
return "Flat Lines"
def onChanged(self, vp, prop):
''' Print the name of the property that has changed '''
#FreeCAD.Console.PrintMessage("ViewProvider onChanged(), property: " + str(prop) + "\n")
''' If the 'prop' property changed for the ViewProvider 'vp' '''
#FreeCAD.Console.PrintMessage("ViewProvider onChanged(), property: " + str(prop) + "\n") # debug
def getIcon(self):
''' Return the icon in XMP format which will appear in the tree view. This method is optional
''' Return the icon which will appear in the tree view. This method is optional
and if not defined a default icon is shown.
'''
return os.path.join(iconPath, 'solver_icon.svg')
@ -240,8 +268,6 @@ class _CommandFHSolver:
return not FreeCAD.ActiveDocument is None
def Activated(self):
# init properties (future)
#self.Length = None
# preferences
#p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/EM")
#self.Width = p.GetFloat("Width",200)

106
EM_Globals.py
View File

@ -29,8 +29,112 @@ __title__="FreeCAD E.M. Workbench global definitions"
__author__ = "FastFieldSolvers S.R.L."
__url__ = "http://www.fastfieldsolvers.com"
from FreeCAD import Vector
# defines
#
#EM_DEF_XXX = 1.0
# default node color
EMFHNODE_DEF_NODECOLOR = (1.0,0.0,0.0)
# tolerance in degrees when verifying if vectors are parallel
EMFHSEGMENT_PARTOL = 0.01
# tolerance in length
EMFHSEGMENT_LENTOL = 1e-12
import FreeCAD, Part
from FreeCAD import Vector
def getAbsCoordBodyPart(obj,position):
''' Retrieve the absolute coordinates of a point belonging to an object, even if in a Body or Part
'obj': object to which the 'position' is relative
'position': FreeCAD.Vector 3D position relative to objects that contain 'obj'
(Note: 'position' is NOT relative to the 'obj.Placement', only to the containers)
return value: FreeCAD.Vector 3D absolute position
'''
if obj == None:
return None
for parent in obj.InList:
if parent.TypeId == "PartDesign::Body" or parent.TypeId == "App::Part":
# make the position absolute
position = parent.Placement.multVec(position)
# and recursively check upside
position = getAbsCoordBodyPart(parent,position)
break
return position
def makeSegShape(n1,n2,width,height,ww):
''' Compute a segment shape given:
'n1': start node position (Vector)
'n2': end node position (Vector)
'width': segment width
'height': segment height
'ww': cross-section direction (along width)
Returns the created Shape
'''
# do not accept coincident nodes
if (n2-n1).Length < EMFHSEGMENT_LENTOL:
return None
# vector along length
wl = n2-n1;
# calculate the vector along the height
wh = (ww.cross(wl))
# if cross-section is not defined, by default the width vector
# is assumed to lie in x-y plane perpendicular to the length.
# If the length direction is parallel to the z-axis, then
# the width is assumed along the x-axis.
# The same is done if 'ww' has been defined parallel to 'wl'
if ww.Length < EMFHSEGMENT_LENTOL or wh.Length < EMFHSEGMENT_LENTOL:
# if length parallel to the z-axis (note that getAngle() always returns a value
# between 0 and 180)
angle = wl.getAngle(Vector(0,0,1))*FreeCAD.Units.Radian
if angle < EMFHSEGMENT_PARTOL or angle > 180-EMFHSEGMENT_PARTOL:
ww = Vector(1,0,0)
else:
ww = (wl.cross(Vector(0,0,1))).normalize()
# and re-calculate 'wh' since we changed 'ww'
wh = (ww.cross(wl))
# normalize the freshly calculated 'wh'
wh.normalize()
# copy ww as the multiply() method changes the vector on which is called
wwHalf = Vector(ww)
# must normalize. We don't want to touch 'ww', as this is user's defined
wwHalf.normalize()
wwHalf.multiply(width / 2)
# copy wh as the multiply() method changes the vector on which is called
whHalf = Vector(wh)
whHalf.multiply(height / 2)
# calculate the vertexes
v11 = n1 - wwHalf - whHalf
v12 = n1 + wwHalf - whHalf
v13 = n1 + wwHalf + whHalf
v14 = n1 - wwHalf + whHalf
v21 = n2 - wwHalf - whHalf
v22 = n2 + wwHalf - whHalf
v23 = n2 + wwHalf + whHalf
v24 = n2 - wwHalf + whHalf
# now make faces
# front
poly = Part.makePolygon( [v11,v12,v13,v14,v11])
face1 = Part.Face(poly)
# back
poly = Part.makePolygon( [v21,v24,v23,v22,v21])
face2 = Part.Face(poly)
# left
poly = Part.makePolygon( [v11,v14,v24,v21,v11])
face3 = Part.Face(poly)
# right
poly = Part.makePolygon( [v12,v22,v23,v13,v12])
face4 = Part.Face(poly)
# top
poly = Part.makePolygon( [v14,v13,v23,v24,v14])
face5 = Part.Face(poly)
# bottom
poly = Part.makePolygon( [v11,v21,v22,v12,v11])
face6 = Part.Face(poly)
# create a shell. Does not need to be solid.
segShell = Part.makeShell([face1,face2,face3,face4,face5,face6])
return segShell

2
Init.py
View File

@ -26,4 +26,4 @@
# add import/export types
FreeCAD.addExportType("FastHenry file format (*.inp)","exportFH")
#FreeCAD.addExportType("FastHenry file format (*.inp)","exportFH")

13
InitGui.py
View File

@ -42,9 +42,11 @@ class EMWorkbench(Workbench):
# import the EM module (and therefore all commands makeXXX)
import EM
# E.M. tools
self.emtools = ["EM_FHSolver", "EM_FHNode", "EM_FHSegment", "EM_FHPlane",
"EM_FHPlaneHole", "EM_FHEquiv", "EM_FHPort", "EM_FHInputFile"]
self.emfhtools = ["EM_FHSolver", "EM_FHNode", "EM_FHSegment", "EM_FHPath", "EM_FHPlane",
"EM_FHPlaneHole", "EM_FHPlaneAddRemoveNodeHole", "EM_FHEquiv", "EM_FHPort", "EM_FHInputFile"]
# draft tools
# setup menus
self.draftcmdList = ["Draft_Line","Draft_Rectangle"]
self.draftmodtools = ["Draft_Move","Draft_Rotate","Draft_Offset",
"Draft_Trimex", "Draft_Upgrade", "Draft_Downgrade", "Draft_Scale",
"Draft_Shape2DView","Draft_Draft2Sketch","Draft_Array",
@ -57,10 +59,11 @@ class EMWorkbench(Workbench):
'Draft_Snap_Dimensions','Draft_Snap_WorkingPlane']
def QT_TRANSLATE_NOOP(scope, text): return text
self.appendToolbar(QT_TRANSLATE_NOOP("Workbench","E.M. tools"),self.emtools)
self.appendToolbar(QT_TRANSLATE_NOOP("Workbench","E.M. tools"),self.emfhtools)
self.appendToolbar(QT_TRANSLATE_NOOP("Workbench","Draft creation tools"),self.draftcmdList)
self.appendToolbar(QT_TRANSLATE_NOOP("Workbench","Draft mod tools"),self.draftmodtools)
self.appendMenu(QT_TRANSLATE_NOOP("EM","&EM"),self.emtools)
self.appendMenu(QT_TRANSLATE_NOOP("EM","&Draft"),self.draftmodtools+self.treecmdList)
self.appendMenu(QT_TRANSLATE_NOOP("EM","&EM"),self.emfhtools)
self.appendMenu(QT_TRANSLATE_NOOP("EM","&Draft"),self.draftcmdList+self.draftmodtools+self.treecmdList)
self.appendMenu([QT_TRANSLATE_NOOP("EM","&Draft"),QT_TRANSLATE_NOOP("arch","Snapping")],self.snapList)
#FreeCADGui.addIconPath(":/icons")
#FreeCADGui.addLanguagePath(":/translations")

599
Resources/path_icon.svg Normal file
View File

@ -0,0 +1,599 @@
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<dc:title />
<dc:creator>
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<dc:title>[triplus]</dc:title>
</cc:Agent>
</dc:creator>
<dc:title>ArchWorkbench</dc:title>
<dc:date>2016-02-26</dc:date>
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<dc:publisher>
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After

Width:  |  Height:  |  Size: 24 KiB

4
export_to_FastHenry.py
View File

@ -153,9 +153,9 @@ def export_segs(filename="", disc=3, custDot="", FHbug=False, w=0, h=0, nhinc=0,
elif type(edge.Curve) == Part.Line:
# if w=0, the following condition is always true
if edge.Length > abs(w)*3:
nodes.append(edge.Curve.StartPoint)
nodes.append(edge.valueAt(edge.FirstParameter))
# quick & dirty trick
lastvertex = edge.Curve.EndPoint
lastvertex = edge.valueAt(edge.LastParameter)
else:
FreeCAD.Console.PrintMessage("Unknown edge: " + str(type(edge.Curve)) + " in '" + obj.Label + "',, skipping\n")
# now add the very last vertex

88
wbrl.py Normal file
View File

@ -0,0 +1,88 @@
#***************************************************************************
#* *
#* Copyright (c) 2018 *
#* FastFieldSolvers S.R.L. http://www.fastfieldsolvers.com *
#* *
#* This program is free software; you can redistribute it and/or modify *
#* it under the terms of the GNU Lesser General Public License (LGPL) *
#* as published by the Free Software Foundation; either version 2 of *
#* the License, or (at your option) any later version. *
#* for detail see the LICENCE text file. *
#* *
#* This program is distributed in the hope that it will be useful, *
#* but WITHOUT ANY WARRANTY; without even the implied warranty of *
#* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
#* GNU Library General Public License for more details. *
#* *
#* You should have received a copy of the GNU Library General Public *
#* License along with this program; if not, write to the Free Software *
#* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
#* USA *
#* *
#***************************************************************************
import EM
import EM_FHNode
import EM_FHSegment
import EM_FHPath
import EM_FHPlane
import EM_FHPlaneHole
import EM_FHEquiv
import EM_FHPort
import EM_FHSolver
import EM_FHInputFile
reload(EM)
reload(EM_FHNode)
reload(EM_FHSegment)
reload(EM_FHPath)
reload(EM_FHPlane)
reload(EM_FHPlaneHole)
reload(EM_FHEquiv)
reload(EM_FHPort)
reload(EM_FHSolver)
reload(EM_FHInputFile)
def go(c='s'):
''' Function to reload the workbench objects and commands
'''
import EM
import EM_Globals
import EM_FHNode
import EM_FHSegment
import EM_FHPath
import EM_FHPlane
import EM_FHPlaneHole
import EM_FHEquiv
import EM_FHPort
import EM_FHSolver
import EM_FHInputFile
reload(EM)
reload(EM_Globals)
reload(EM_FHNode)
reload(EM_FHSegment)
reload(EM_FHPath)
reload(EM_FHPlane)
reload(EM_FHPlaneHole)
reload(EM_FHEquiv)
reload(EM_FHPort)
reload(EM_FHSolver)
reload(EM_FHInputFile)
if c=='n' or c==1:
EM_FHNode._CommandFHNode().Activated()
elif c=='s' or c==2:
EM_FHSegment._CommandFHSegment().Activated()
elif c=='p' or c==3:
EM_FHPlane._CommandFHPlane().Activated()
elif c=='h' or c==4:
EM_FHPlaneHole._CommandFHPlaneHole().Activated()
elif c=='t' or c==5:
EM_FHPath._CommandFHPath().Activated()
elif c=='a' or c==6:
EM_FHPlane._CommandFHPlaneAddRemoveNodeHole().Activated()
#import EM
#import EM_FHNode
#EM_FHNode._CommandFHNode().Activated()
#import EM_FHPlaneHole
#EM_FHPlaneHole._CommandFHPlaneHole().Activated()