FreeCAD/src/Mod/Arch/ArchWall.py
2012-06-06 16:45:34 -03:00

444 lines
18 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
from FreeCAD import Vector
from PyQt4 import QtCore
from DraftTools import translate
__title__="FreeCAD Wall"
__author__ = "Yorik van Havre"
__url__ = "http://free-cad.sourceforge.net"
def makeWall(baseobj=None,width=None,height=None,align="Center",name=str(translate("Arch","Wall"))):
'''makeWall(obj,[width],[height],[align],[name]): creates a wall based on the
given object, which can be a sketch, a draft object, a face or a solid. align
can be "Center","Left" or "Right"'''
obj = FreeCAD.ActiveDocument.addObject("Part::FeaturePython",name)
_Wall(obj)
_ViewProviderWall(obj.ViewObject)
if baseobj: obj.Base = baseobj
if width: obj.Width = width
if height: obj.Height = height
obj.Align = align
if obj.Base: obj.Base.ViewObject.hide()
p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Arch")
c = p.GetUnsigned("WallColor")
r = float((c>>24)&0xFF)/255.0
g = float((c>>16)&0xFF)/255.0
b = float((c>>8)&0xFF)/255.0
obj.ViewObject.ShapeColor = (r,g,b,1.0)
return obj
def joinWalls(walls):
"joins the given list of walls into one sketch-based wall"
if not walls:
return None
if not isinstance(walls,list):
walls = [walls]
if not areSameWallTypes(walls):
return None
base = walls.pop()
if base.Base:
if base.Base.Shape.Faces:
return None
if Draft.getType(base.Base) == "Sketch":
sk = base.Base
else:
sk = Draft.makeSketch(base.Base,autoconstraints=True)
if sk:
base.Base = sk
for w in walls:
if w.Base:
if not base.Base.Shape.Faces:
for e in base.Base.Shape.Edges:
sk.addGeometry(e)
FreeCAD.ActiveDocument.recompute()
return base
def areSameWallTypes(walls):
"returns True is all the walls in the given list have same height, width, and alignment"
for att in ["Width","Height","Align"]:
value = None
for w in walls:
if not hasattr(w,att):
return False
if not value:
value = getattr(w,att)
else:
if type(value) == float:
if round(value,Draft.precision()) != round(getattr(w,att),Draft.precision()):
return False
else:
if value != getattr(w,att):
return False
return True
class _CommandWall:
"the Arch Wall command definition"
def GetResources(self):
return {'Pixmap' : 'Arch_Wall',
'MenuText': QtCore.QT_TRANSLATE_NOOP("Arch_Wall","Wall"),
'Accel': "W, A",
'ToolTip': QtCore.QT_TRANSLATE_NOOP("Arch_Wall","Creates a wall object from scratch or from a selected object (wire, face or solid)")}
def Activated(self):
global QtGui, QtCore
from PyQt4 import QtGui, QtCore
self.Width = 0.1
self.Height = 1
self.Align = "Center"
self.continueCmd = False
sel = FreeCADGui.Selection.getSelection()
done = False
self.existing = []
if sel:
import Draft
if Draft.getType(sel[0]) != "Wall":
FreeCAD.ActiveDocument.openTransaction(str(translate("Arch","Create Wall")))
FreeCADGui.doCommand('import Arch')
for obj in sel:
FreeCADGui.doCommand('Arch.makeWall(FreeCAD.ActiveDocument.'+obj.Name+')')
FreeCAD.ActiveDocument.commitTransaction()
FreeCAD.ActiveDocument.recompute()
done = True
if not done:
import DraftTrackers
self.points = []
self.tracker = DraftTrackers.boxTracker()
FreeCADGui.Snapper.getPoint(callback=self.getPoint,extradlg=self.taskbox())
def getPoint(self,point=None,obj=None):
"this function is called by the snapper when it has a 3D point"
if obj:
if Draft.getType(obj) == "Wall":
if not obj in self.existing:
self.existing.append(obj)
if point == None:
self.tracker.finalize()
return
self.points.append(point)
if len(self.points) == 1:
self.tracker.on()
FreeCADGui.Snapper.getPoint(last=self.points[0],callback=self.getPoint,movecallback=self.update,extradlg=self.taskbox())
elif len(self.points) == 2:
import Part
add = False
l = Part.Line(self.points[0],self.points[1])
self.tracker.finalize()
FreeCAD.ActiveDocument.openTransaction(str(translate("Arch","Create Wall")))
FreeCADGui.doCommand('import Arch')
FreeCADGui.doCommand('import Part')
FreeCADGui.doCommand('trace=Part.Line(FreeCAD.'+str(l.StartPoint)+',FreeCAD.'+str(l.EndPoint)+')')
if not self.existing:
self.addDefault(l)
else:
w = joinWalls(self.existing)
if w:
if areSameWallTypes([w,self]):
FreeCADGui.doCommand('FreeCAD.ActiveDocument.'+w.Name+'.Base.addGeometry(trace)')
else:
self.addDefault(l)
add = True
else:
self.addDefault(l)
if add:
FreeCADGui.doCommand('Arch.addComponents(FreeCAD.ActiveDocument.'+FreeCAD.ActiveDocument.Objects[-1].Name+',FreeCAD.ActiveDocument.'+w.Name+')')
FreeCAD.ActiveDocument.commitTransaction()
FreeCAD.ActiveDocument.recompute()
if self.continueCmd:
self.Activated()
def addDefault(self,l):
FreeCADGui.doCommand('base=FreeCAD.ActiveDocument.addObject("Sketcher::SketchObject","'+str(translate('Arch','WallTrace'))+'")')
FreeCADGui.doCommand('base.addGeometry(trace)')
FreeCADGui.doCommand('Arch.makeWall(base,width='+str(self.Width)+',height='+str(self.Height)+',align="'+str(self.Align)+'")')
def update(self,point):
"this function is called by the Snapper when the mouse is moved"
b = self.points[0]
n = FreeCAD.DraftWorkingPlane.axis
bv = point.sub(b)
dv = bv.cross(n)
dv = DraftVecUtils.scaleTo(dv,self.Width/2)
if self.Align == "Center":
self.tracker.update([b,point])
elif self.Align == "Left":
self.tracker.update([b.add(dv),point.add(dv)])
else:
dv = DraftVecUtils.neg(dv)
self.tracker.update([b.add(dv),point.add(dv)])
def taskbox(self):
"sets up a taskbox widget"
w = QtGui.QWidget()
w.setWindowTitle(str(translate("Arch","Wall options")))
lay0 = QtGui.QVBoxLayout(w)
lay1 = QtGui.QHBoxLayout()
lay0.addLayout(lay1)
label1 = QtGui.QLabel(str(translate("Arch","Width")))
lay1.addWidget(label1)
value1 = QtGui.QDoubleSpinBox()
value1.setDecimals(2)
value1.setValue(self.Width)
lay1.addWidget(value1)
lay2 = QtGui.QHBoxLayout()
lay0.addLayout(lay2)
label2 = QtGui.QLabel(str(translate("Arch","Height")))
lay2.addWidget(label2)
value2 = QtGui.QDoubleSpinBox()
value2.setDecimals(2)
value2.setValue(self.Height)
lay2.addWidget(value2)
lay3 = QtGui.QHBoxLayout()
lay0.addLayout(lay3)
label3 = QtGui.QLabel(str(translate("Arch","Alignment")))
lay3.addWidget(label3)
value3 = QtGui.QComboBox()
items = ["Center","Left","Right"]
value3.addItems(items)
value3.setCurrentIndex(items.index(self.Align))
lay3.addWidget(value3)
value4 = QtGui.QCheckBox(str(translate("Arch","Continue")))
lay0.addWidget(value4)
QtCore.QObject.connect(value1,QtCore.SIGNAL("valueChanged(double)"),self.setWidth)
QtCore.QObject.connect(value2,QtCore.SIGNAL("valueChanged(double)"),self.setHeight)
QtCore.QObject.connect(value3,QtCore.SIGNAL("currentIndexChanged(int)"),self.setAlign)
QtCore.QObject.connect(value4,QtCore.SIGNAL("stateChanged(int)"),self.setContinue)
return w
def setWidth(self,d):
self.Width = d
self.tracker.width(d)
def setHeight(self,d):
self.Height = d
self.tracker.height(d)
def setAlign(self,i):
self.Align = ["Center","Left","Right"][i]
def setContinue(self,i):
self.continueCmd = bool(i)
class _Wall(ArchComponent.Component):
"The Wall object"
def __init__(self,obj):
ArchComponent.Component.__init__(self,obj)
obj.addProperty("App::PropertyLength","Width","Base",
str(translate("Arch","The width of this wall. Not used if this wall is based on a face")))
obj.addProperty("App::PropertyLength","Height","Base",
str(translate("Arch","The height of this wall. Keep 0 for automatic. Not used if this wall is based on a solid")))
obj.addProperty("App::PropertyEnumeration","Align","Base",
str(translate("Arch","The alignment of this wall on its base object, if applicable")))
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::PropertyBool","ForceWire","Base",
str(translate("Arch","If True, if this wall is based on a face, it will use its border wire as trace, and disconsider the face.")))
obj.Align = ['Left','Right','Center']
obj.ForceWire = False
self.Type = "Wall"
obj.Width = 0.1
obj.Height = 0
def execute(self,obj):
self.createGeometry(obj)
def onChanged(self,obj,prop):
if prop in ["Base","Height","Width","Align","Additions","Subtractions"]:
self.createGeometry(obj)
def getSubVolume(self,base,width,delta=None):
"returns a subvolume from a base object"
import Part
max_length = 0
f = None
for w in base.Shape.Wires:
if w.BoundBox.DiagonalLength > max_length:
max_length = w.BoundBox.DiagonalLength
f = w
if f:
f = Part.Face(f)
n = f.normalAt(0,0)
v1 = DraftVecUtils.scaleTo(n,width)
f.translate(v1)
v2 = DraftVecUtils.neg(v1)
v2 = DraftVecUtils.scale(v1,-2)
f = f.extrude(v2)
if delta:
f.translate(delta)
return f
return None
def createGeometry(self,obj):
"builds the wall shape"
if not obj.Base:
return
import Part, DraftGeomUtils
flat = False
if hasattr(obj.ViewObject,"DisplayMode"):
flat = (obj.ViewObject.DisplayMode == "Flat 2D")
width = 1.0
if hasattr(obj,"Width"):
if obj.Width:
width = obj.Width
def getbase(wire):
"returns a full shape from a base wire"
dvec = DraftGeomUtils.vec(wire.Edges[0]).cross(normal)
dvec.normalize()
if obj.Align == "Left":
dvec = dvec.multiply(width)
w2 = DraftGeomUtils.offsetWire(wire,dvec)
w1 = Part.Wire(DraftGeomUtils.sortEdges(wire.Edges))
sh = DraftGeomUtils.bind(w1,w2)
elif obj.Align == "Right":
dvec = dvec.multiply(width)
dvec = DraftVecUtils.neg(dvec)
w2 = DraftGeomUtils.offsetWire(wire,dvec)
w1 = Part.Wire(DraftGeomUtils.sortEdges(wire.Edges))
sh = DraftGeomUtils.bind(w1,w2)
elif obj.Align == "Center":
dvec = dvec.multiply(width/2)
w1 = DraftGeomUtils.offsetWire(wire,dvec)
dvec = DraftVecUtils.neg(dvec)
w2 = DraftGeomUtils.offsetWire(wire,dvec)
sh = DraftGeomUtils.bind(w1,w2)
# fixing self-intersections
sh.fix(0.1,0,1)
if height and (not flat):
norm = Vector(normal).multiply(height)
sh = sh.extrude(norm)
return sh
pl = obj.Placement
# getting default values
height = normal = None
if obj.Height:
height = obj.Height
else:
for p in obj.InList:
if Draft.getType(p) == "Floor":
height = p.Height
if not height: height = 1
if obj.Normal == Vector(0,0,0):
normal = Vector(0,0,1)
else:
normal = Vector(obj.Normal)
# computing shape
base = None
if obj.Base.isDerivedFrom("Part::Feature"):
if not obj.Base.Shape.isNull():
base = obj.Base.Shape.copy()
if base.Solids:
pass
elif base.Faces and (not obj.ForceWire):
if height:
norm = normal.multiply(height)
base = base.extrude(norm)
elif base.Wires:
temp = None
for wire in obj.Base.Shape.Wires:
sh = getbase(wire)
if temp:
temp = temp.fuse(sh)
else:
temp = sh
base = temp
elif base.Edges:
wire = Part.Wire(base.Edges)
sh = getbase(wire)
if sh:
base = sh
else:
FreeCAD.Console.PrintError(str(translate("Arch","Error: Invalid base object")))
if base:
for app in obj.Additions:
if hasattr(app,"Shape"):
if app.Shape:
if not app.Shape.isNull():
base = base.fuse(app.Shape)
app.ViewObject.hide() #to be removed
for hole in obj.Subtractions:
if Draft.getType(hole) == "Window":
# window
if hole.Base and obj.Width:
f = self.getSubVolume(hole.Base,width)
if f:
base = base.cut(f)
elif Draft.isClone(hole,"Window"):
if hole.Objects[0].Base and width:
f = self.getSubVolume(hole.Objects[0].Base,width,hole.Placement.Base)
if f:
base = base.cut(f)
elif hasattr(hole,"Shape"):
if hole.Shape:
if not hole.Shape.isNull():
base = base.cut(hole.Shape)
hole.ViewObject.hide() # to be removed
if not base.isNull():
try:
base = base.removeSplitter()
except:
FreeCAD.Console.PrintError(str(translate("Arch","Error removing splitter from wall shape")))
obj.Shape = base
if not DraftGeomUtils.isNull(pl):
obj.Placement = pl
class _ViewProviderWall(ArchComponent.ViewProviderComponent):
"A View Provider for the Wall object"
def __init__(self,vobj):
ArchComponent.ViewProviderComponent.__init__(self,vobj)
def getIcon(self):
return ":/icons/Arch_Wall_Tree.svg"
def getDisplayModes(self,vobj):
return ["Flat 2D"]
def setDisplayMode(self,mode):
self.Object.Proxy.createGeometry(self.Object)
if mode == "Flat 2D":
return "Flat Lines"
else:
return mode
def attach(self,vobj):
self.Object = vobj.Object
return
FreeCADGui.addCommand('Arch_Wall',_CommandWall())