248 lines
11 KiB
Python
248 lines
11 KiB
Python
#***************************************************************************
|
|
#* *
|
|
#* Copyright (c) 2011 *
|
|
#* Yorik van Havre <yorik@uncreated.net> *
|
|
#* *
|
|
#* 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 FreeCAD,FreeCADGui,Draft,ArchComponent,DraftVecUtils,ArchCommands
|
|
from FreeCAD import Vector
|
|
from PyQt4 import QtCore
|
|
from DraftTools import translate
|
|
|
|
__title__="FreeCAD Structure"
|
|
__author__ = "Yorik van Havre"
|
|
__url__ = "http://free-cad.sourceforge.net"
|
|
|
|
def makeStructure(baseobj=None,length=1,width=1,height=1,name=str(translate("Arch","Structure"))):
|
|
'''makeStructure([obj],[length],[width],[heigth],[swap]): creates a
|
|
structure element based on the given profile object and the given
|
|
extrusion height. If no base object is given, you can also specify
|
|
length and width for a cubic object.'''
|
|
obj = FreeCAD.ActiveDocument.addObject("Part::FeaturePython",name)
|
|
_Structure(obj)
|
|
_ViewProviderStructure(obj.ViewObject)
|
|
if baseobj:
|
|
obj.Base = baseobj
|
|
obj.Base.ViewObject.hide()
|
|
obj.Width = width
|
|
obj.Height = height
|
|
obj.Length = length
|
|
obj.ViewObject.ShapeColor = ArchCommands.getDefaultColor("Structure")
|
|
return obj
|
|
|
|
def makeStructuralSystem(objects,axes):
|
|
'''makeStructuralSystem(objects,axes): makes a structural system
|
|
based on the given objects and axes'''
|
|
result = []
|
|
if objects and axes:
|
|
for o in objects:
|
|
s = makeStructure(o)
|
|
s.Axes = axes
|
|
result.append(s)
|
|
FreeCAD.ActiveDocument.recompute()
|
|
return result
|
|
|
|
class _CommandStructure:
|
|
"the Arch Structure command definition"
|
|
def GetResources(self):
|
|
return {'Pixmap' : 'Arch_Structure',
|
|
'MenuText': QtCore.QT_TRANSLATE_NOOP("Arch_Structure","Structure"),
|
|
'Accel': "S, T",
|
|
'ToolTip': QtCore.QT_TRANSLATE_NOOP("Arch_Structure","Creates a structure object from scratch or from a selected object (sketch, wire, face or solid)")}
|
|
|
|
def Activated(self):
|
|
FreeCAD.ActiveDocument.openTransaction(str(translate("Arch","Create Structure")))
|
|
FreeCADGui.doCommand("import Arch")
|
|
sel = FreeCADGui.Selection.getSelection()
|
|
if sel:
|
|
# if selection contains structs and axes, make a system
|
|
st = Draft.getObjectsOfType(sel,"Structure")
|
|
ax = Draft.getObjectsOfType(sel,"Axis")
|
|
if st and ax:
|
|
FreeCADGui.doCommand("Arch.makeStructuralSystem(" + ArchCommands.getStringList(st) + "," + ArchCommands.getStringList(ax) + ")")
|
|
else:
|
|
# else, do normal structs
|
|
for obj in sel:
|
|
FreeCADGui.doCommand("Arch.makeStructure(FreeCAD.ActiveDocument." + obj.Name + ")")
|
|
else:
|
|
FreeCADGui.doCommand("Arch.makeStructure()")
|
|
FreeCAD.ActiveDocument.commitTransaction()
|
|
FreeCAD.ActiveDocument.recompute()
|
|
|
|
class _Structure(ArchComponent.Component):
|
|
"The Structure object"
|
|
def __init__(self,obj):
|
|
ArchComponent.Component.__init__(self,obj)
|
|
obj.addProperty("App::PropertyLength","Length","Base",
|
|
str(translate("Arch","The length of this element, if not based on a profile")))
|
|
obj.addProperty("App::PropertyLength","Width","Base",
|
|
str(translate("Arch","The width of this element, if not based on a profile")))
|
|
obj.addProperty("App::PropertyLength","Height","Base",
|
|
str(translate("Arch","The height or extrusion depth of this element. Keep 0 for automatic")))
|
|
obj.addProperty("App::PropertyLinkList","Axes","Base",
|
|
str(translate("Arch","Axes systems this structure is built on")))
|
|
obj.addProperty("App::PropertyVector","Normal","Base",
|
|
str(translate("Arch","The normal extrusion direction of this object (keep (0,0,0) for automatic normal)")))
|
|
obj.addProperty("App::PropertyIntegerList","Exclude","Base",
|
|
str(translate("Arch","The element numbers to exclude when this structure is based on axes")))
|
|
self.Type = "Structure"
|
|
|
|
def execute(self,obj):
|
|
self.createGeometry(obj)
|
|
|
|
def onChanged(self,obj,prop):
|
|
if prop in ["Base","Length","Width","Height","Normal","Additions","Subtractions","Axes"]:
|
|
self.createGeometry(obj)
|
|
|
|
def getAxisPoints(self,obj):
|
|
"returns the gridpoints of linked axes"
|
|
import DraftGeomUtils
|
|
pts = []
|
|
if len(obj.Axes) == 1:
|
|
for e in obj.Axes[0].Shape.Edges:
|
|
pts.append(e.Vertexes[0].Point)
|
|
elif len(obj.Axes) >= 2:
|
|
set1 = obj.Axes[0].Shape.Edges
|
|
set2 = obj.Axes[1].Shape.Edges
|
|
for e1 in set1:
|
|
for e2 in set2:
|
|
pts.extend(DraftGeomUtils.findIntersection(e1,e2))
|
|
return pts
|
|
|
|
def getAxisPlacement(self,obj):
|
|
"returns an axis placement"
|
|
if obj.Axes:
|
|
return obj.Axes[0].Placement
|
|
return None
|
|
|
|
def createGeometry(self,obj):
|
|
import Part, DraftGeomUtils
|
|
|
|
# getting default values
|
|
height = width = length = 1
|
|
if hasattr(obj,"Length"):
|
|
if obj.Length:
|
|
length = obj.Length
|
|
if hasattr(obj,"Width"):
|
|
if obj.Width:
|
|
width = obj.Width
|
|
if hasattr(obj,"Height"):
|
|
if obj.Height:
|
|
height = obj.Height
|
|
|
|
# creating base shape
|
|
pl = obj.Placement
|
|
base = None
|
|
if obj.Base:
|
|
if obj.Base.isDerivedFrom("Part::Feature"):
|
|
if obj.Normal == Vector(0,0,0):
|
|
p = FreeCAD.Placement(obj.Base.Placement)
|
|
normal = p.Rotation.multVec(Vector(0,0,1))
|
|
else:
|
|
normal = Vector(obj.Normal)
|
|
normal = normal.multiply(height)
|
|
base = obj.Base.Shape.copy()
|
|
if base.Solids:
|
|
pass
|
|
elif base.Faces:
|
|
base = base.extrude(normal)
|
|
elif (len(base.Wires) == 1):
|
|
if base.Wires[0].isClosed():
|
|
base = Part.Face(base.Wires[0])
|
|
base = base.extrude(normal)
|
|
elif obj.Base.isDerivedFrom("Mesh::Feature"):
|
|
if obj.Base.Mesh.isSolid():
|
|
if obj.Base.Mesh.countComponents() == 1:
|
|
sh = ArchCommands.getShapeFromMesh(obj.Base.Mesh)
|
|
if sh.isClosed() and sh.isValid() and sh.Solids:
|
|
base = sh
|
|
else:
|
|
if obj.Normal == Vector(0,0,0):
|
|
normal = Vector(0,0,1)
|
|
else:
|
|
normal = Vector(obj.Normal)
|
|
normal = normal.multiply(height)
|
|
l2 = length/2 or 0.5
|
|
w2 = width/2 or 0.5
|
|
v1 = Vector(-l2,-w2,0)
|
|
v2 = Vector(l2,-w2,0)
|
|
v3 = Vector(l2,w2,0)
|
|
v4 = Vector(-l2,w2,0)
|
|
base = Part.makePolygon([v1,v2,v3,v4,v1])
|
|
base = Part.Face(base)
|
|
base = base.extrude(normal)
|
|
|
|
if base:
|
|
# applying adds and subs
|
|
if not base.isNull():
|
|
for app in obj.Additions:
|
|
if hasattr(app,"Shape"):
|
|
if not app.Shape.isNull():
|
|
base = base.fuse(app.Shape)
|
|
app.ViewObject.hide() # to be removed
|
|
for hole in obj.Subtractions:
|
|
if hasattr(hole,"Shape"):
|
|
if not hole.Shape.isNull():
|
|
base = base.cut(hole.Shape)
|
|
hole.ViewObject.hide() # to be removed
|
|
|
|
# applying axes
|
|
pts = self.getAxisPoints(obj)
|
|
apl = self.getAxisPlacement(obj)
|
|
if pts:
|
|
fsh = []
|
|
for i in range(len(pts)):
|
|
if hasattr(obj,"Exclude"):
|
|
if i in obj.Exclude:
|
|
continue
|
|
sh = base.copy()
|
|
if apl:
|
|
sh.Placement.Rotation = apl.Rotation
|
|
sh.translate(pts[i])
|
|
fsh.append(sh)
|
|
obj.Shape = Part.makeCompound(fsh)
|
|
|
|
# finalizing
|
|
else:
|
|
if base:
|
|
if not base.isNull():
|
|
if base.isValid() and base.Solids:
|
|
if base.Volume < 0:
|
|
base.reverse()
|
|
if base.Volume < 0:
|
|
FreeCAD.Console.PrintError(str(translate("Arch","Couldn't compute the wall shape")))
|
|
return
|
|
base = base.removeSplitter()
|
|
obj.Shape = base
|
|
if not DraftGeomUtils.isNull(pl):
|
|
obj.Placement = pl
|
|
|
|
class _ViewProviderStructure(ArchComponent.ViewProviderComponent):
|
|
"A View Provider for the Structure object"
|
|
|
|
def __init__(self,vobj):
|
|
ArchComponent.ViewProviderComponent.__init__(self,vobj)
|
|
|
|
def getIcon(self):
|
|
import Arch_rc
|
|
return ":/icons/Arch_Structure_Tree.svg"
|
|
|
|
FreeCADGui.addCommand('Arch_Structure',_CommandStructure())
|