FreeCAD/src/Mod/Arch/ArchFrame.py

194 lines
8.4 KiB
Python

#***************************************************************************
#* *
#* Copyright (c) 2013 *
#* 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,Draft,ArchComponent,DraftVecUtils,ArchCommands
from FreeCAD import Vector
if FreeCAD.GuiUp:
import FreeCADGui
from PySide import QtCore, QtGui
from DraftTools import translate
else:
def translate(ctxt,txt):
return txt
__title__="FreeCAD Arch Frame"
__author__ = "Yorik van Havre"
__url__ = "http://www.freecadweb.org"
# Possible roles for frames
Roles = ['Covering','Member','Railing','Shading Device','Tendon']
def makeFrame(baseobj,profile,name=translate("Arch","Frame")):
"""makeFrame(baseobj,profile,[name]): creates a frame object from a base sketch (or any other object
containing wires) and a profile object (an extrudable 2D object containing faces or closed wires)"""
obj = FreeCAD.ActiveDocument.addObject("Part::FeaturePython",name)
obj.Label = translate("Arch",name)
_Frame(obj)
if FreeCAD.GuiUp:
_ViewProviderFrame(obj.ViewObject)
if baseobj:
obj.Base = baseobj
if profile:
obj.Profile = profile
if FreeCAD.GuiUp:
profile.ViewObject.hide()
return obj
class _CommandFrame:
"the Arch Frame command definition"
def GetResources(self):
return {'Pixmap' : 'Arch_Frame',
'MenuText': QtCore.QT_TRANSLATE_NOOP("Arch_Frame","Frame"),
'Accel': "F, R",
'ToolTip': QtCore.QT_TRANSLATE_NOOP("Arch_Frame","Creates a frame object from a planar 2D object and a profile")}
def IsActive(self):
return not FreeCAD.ActiveDocument is None
def Activated(self):
s = FreeCADGui.Selection.getSelection()
if len(s) == 2:
FreeCAD.ActiveDocument.openTransaction(translate("Arch","Create Frame"))
FreeCADGui.addModule("Arch")
FreeCADGui.doCommand("Arch.makeFrame(FreeCAD.ActiveDocument."+s[0].Name+",FreeCAD.ActiveDocument."+s[1].Name+")")
FreeCAD.ActiveDocument.commitTransaction()
FreeCAD.ActiveDocument.recompute()
class _Frame(ArchComponent.Component):
"A parametric frame object"
def __init__(self,obj):
ArchComponent.Component.__init__(self,obj)
obj.addProperty("App::PropertyLink","Profile","Arch","The profile used to build this frame")
obj.addProperty("App::PropertyBool","Align","Arch","Specifies if the profile must be aligned with the extrusion wires")
obj.addProperty("App::PropertyVectorDistance","Offset","Arch","An offset vector between the base sketch and the frame")
obj.addProperty("App::PropertyInteger","BasePoint","Arch","Crossing point of the path on the profile.")
obj.addProperty("App::PropertyAngle","Rotation","Arch","The rotation of the profile around its extrusion axis")
self.Type = "Frame"
obj.Role = Roles
def execute(self,obj):
if self.clone(obj):
return
if not obj.Base:
return
if not obj.Base.Shape:
return
if not obj.Base.Shape.Wires:
return
pl = obj.Placement
if obj.Base.Shape.Solids:
obj.Shape = obj.Base.Shape.copy()
if not pl.isNull():
obj.Placement = obj.Shape.Placement.multiply(pl)
else:
if not obj.Profile:
return
if not obj.Profile.isDerivedFrom("Part::Part2DObject"):
return
if not obj.Profile.Shape:
return
if not obj.Profile.Shape.Wires:
return
if not obj.Profile.Shape.Faces:
for w in obj.Profile.Shape.Wires:
if not w.isClosed():
return
import DraftGeomUtils, Part, math
baseprofile = obj.Profile.Shape.copy()
if not baseprofile.Faces:
f = []
for w in baseprofile.Wires:
f.append(Part.Face(w))
if len(f) == 1:
baseprofile = f[0]
else:
baseprofile = Part.makeCompound(f)
shapes = []
normal = DraftGeomUtils.getNormal(obj.Base.Shape)
#for wire in obj.Base.Shape.Wires:
for e in obj.Base.Shape.Edges:
#e = wire.Edges[0]
bvec = DraftGeomUtils.vec(e)
bpoint = e.Vertexes[0].Point
profile = baseprofile.copy()
#basepoint = profile.Placement.Base
if hasattr(obj,"BasePoint"):
edges = Part.__sortEdges__(profile.Edges)
basepointliste = [profile.CenterOfMass]
for edge in edges:
basepointliste.append(DraftGeomUtils.findMidpoint(edge))
basepointliste.append(edge.Vertexes[-1].Point)
try:
basepoint = basepointliste[obj.BasePoint]
except IndexError:
FreeCAD.Console.PrintMessage(translate("Arch","Crossing point not found in profile.\n"))
basepoint = basepointliste[0]
else :
basepoint = profile.CenterOfMass
profile.translate(bpoint.sub(basepoint))
if obj.Align:
axis = profile.Placement.Rotation.multVec(FreeCAD.Vector(0,0,1))
angle = bvec.getAngle(axis)
if round(angle,Draft.precision()) != 0:
if round(angle,Draft.precision()) != round(math.pi,Draft.precision()):
rotaxis = axis.cross(bvec)
profile.rotate(DraftVecUtils.tup(bpoint), DraftVecUtils.tup(rotaxis), math.degrees(angle))
if obj.Rotation:
profile.rotate(DraftVecUtils.tup(bpoint), DraftVecUtils.tup(FreeCAD.Vector(bvec).normalize()), obj.Rotation)
#profile = wire.makePipeShell([profile],True,False,2) TODO buggy
profile = profile.extrude(bvec)
if obj.Offset:
if not DraftVecUtils.isNull(obj.Offset):
profile.translate(obj.Offset)
shapes.append(profile)
if shapes:
obj.Shape = Part.makeCompound(shapes)
obj.Placement = pl
class _ViewProviderFrame(ArchComponent.ViewProviderComponent):
"A View Provider for the Frame object"
def __init__(self,vobj):
ArchComponent.ViewProviderComponent.__init__(self,vobj)
def getIcon(self):
import Arch_rc
return ":/icons/Arch_Frame_Tree.svg"
def claimChildren(self):
p = []
if hasattr(self,"Object"):
if self.Object.Profile:
p = [self.Object.Profile]
return ArchComponent.ViewProviderComponent.claimChildren(self)+p
if FreeCAD.GuiUp:
FreeCADGui.addCommand('Arch_Frame',_CommandFrame())