/
ArchCommands.py
1366 lines (1259 loc) · 56.9 KB
/
ArchCommands.py
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# -*- coding: utf8 -*-
#***************************************************************************
#* *
#* 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,Draft,ArchComponent,DraftVecUtils
from FreeCAD import Vector
if FreeCAD.GuiUp:
import FreeCADGui
from PySide import QtGui,QtCore
from DraftTools import translate
else:
def translate(ctxt,txt):
return txt
__title__="FreeCAD Arch Commands"
__author__ = "Yorik van Havre"
__url__ = "http://www.freecadweb.org"
# module functions ###############################################
def getStringList(objects):
'''getStringList(objects): returns a string defining a list
of objects'''
result = "["
for o in objects:
if len(result) > 1:
result += ","
result += "FreeCAD.ActiveDocument." + o.Name
result += "]"
return result
def getDefaultColor(objectType):
'''getDefaultColor(string): returns a color value for the given object
type (Wall, Structure, Window, WindowGlass)'''
p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Arch")
transparency = 0.0
if objectType == "Wall":
c = p.GetUnsigned("WallColor",4294967295)
elif objectType == "Structure":
c = p.GetUnsigned("StructureColor",2847259391)
elif objectType == "WindowGlass":
c = p.GetUnsigned("WindowGlassColor",1772731135)
transparency = p.GetInt("WindowTransparency",85)/100.0
elif objectType == "Rebar":
c = p.GetUnsigned("RebarColor",3111475967)
elif objectType == "Panel":
c = p.GetUnsigned("PanelColor",3416289279)
elif objectType == "Construction":
c = Draft.getParam("constructioncolor",746455039)
transparency = 0.80
else:
c = p.GetUnsigned("WindowsColor",810781695)
r = float((c>>24)&0xFF)/255.0
g = float((c>>16)&0xFF)/255.0
b = float((c>>8)&0xFF)/255.0
result = (r,g,b,transparency)
return result
def addComponents(objectsList,host):
'''addComponents(objectsList,hostObject): adds the given object or the objects
from the given list as components to the given host Object. Use this for
example to add windows to a wall, or to add walls to a cell or floor.'''
if not isinstance(objectsList,list):
objectsList = [objectsList]
hostType = Draft.getType(host)
if hostType in ["Floor","Building","Site"]:
c = host.Group
for o in objectsList:
if not o in c:
c.append(o)
host.Group = c
elif hostType in ["Wall","Structure","Window","Roof","Stairs","StructuralSystem","Panel"]:
import DraftGeomUtils
a = host.Additions
if hasattr(host,"Axes"):
x = host.Axes
for o in objectsList:
if o.isDerivedFrom("Part::Feature"):
if DraftGeomUtils.isValidPath(o.Shape) and (hostType == "Structure"):
if o.Support == host:
o.Support = None
host.Tool = o
elif Draft.getType(o) == "Axis":
if not o in x:
x.append(o)
elif not o in a:
if hasattr(o,"Shape"):
a.append(o)
host.Additions = a
if hasattr(host,"Axes"):
host.Axes = x
elif hostType in ["SectionPlane"]:
a = host.Objects
for o in objectsList:
if not o in a:
a.append(o)
host.Objects = a
elif host.isDerivedFrom("App::DocumentObjectGroup"):
c = host.Group
for o in objectsList:
if not o in c:
c.append(o)
host.Group = c
def removeComponents(objectsList,host=None):
'''removeComponents(objectsList,[hostObject]): removes the given component or
the components from the given list from their parents. If a host object is
specified, this function will try adding the components as holes to the host
object instead.'''
if not isinstance(objectsList,list):
objectsList = [objectsList]
if host:
if Draft.getType(host) in ["Wall","Structure","Window","Roof","Stairs","StructuralSystem","Panel"]:
if hasattr(host,"Tool"):
if objectsList[0] == host.Tool:
host.Tool = None
if hasattr(host,"Axes"):
a = host.Axes
for o in objectsList[:]:
if o in a:
a.remove(o)
objectsList.remove(o)
s = host.Subtractions
for o in objectsList:
if not o in s:
s.append(o)
fixDAG(o)
if FreeCAD.GuiUp:
if not Draft.getType(o) in ["Window","Roof"]:
setAsSubcomponent(o)
host.Subtractions = s
else:
for o in objectsList:
if o.InList:
h = o.InList[0]
tp = Draft.getType(h)
if tp in ["Floor","Building","Site"]:
c = h.Components
if o in c:
c.remove(o)
h.Components = c
o.ViewObject.show()
elif tp in ["Wall","Structure"]:
a = h.Additions
s = h.Subtractions
if o in a:
a.remove(o)
h.Additions = a
o.ViewObject.show()
elif o in s:
s.remove(o)
h.Subtractions = s
o.ViewObject.show()
elif o == s.Base:
s.Base = None
o.ViewObject.show()
elif tp in ["SectionPlane"]:
a = h.Objects
if o in a:
a.remove(o)
h.Objects = a
def makeComponent(baseobj=None,name="Component",delete=False):
'''makeComponent([baseobj]): creates an undefined, non-parametric Arch
component from the given base object'''
obj = FreeCAD.ActiveDocument.addObject("Part::FeaturePython",name)
obj.Label = translate("Arch",name)
ArchComponent.Component(obj)
if FreeCAD.GuiUp:
ArchComponent.ViewProviderComponent(obj.ViewObject)
if baseobj:
import Part
if baseobj.isDerivedFrom("Part::Feature"):
obj.Shape = baseobj.Shape
obj.Placement = baseobj.Placement
if delete:
FreeCAD.ActiveDocument.removeObject(baseobj.Name)
else:
obj.Base = baseobj
if FreeCAD.GuiUp:
baseobj.ViewObject.hide()
elif isinstance(baseobj,Part.Shape):
obj.Shape = baseobj
return obj
def setAsSubcomponent(obj):
'''Sets the given object properly to become a subcomponent (addition, subtraction)
of an Arch component'''
Draft.ungroup(obj)
if FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Arch").GetBool("applyConstructionStyle",True):
if FreeCAD.GuiUp:
color = getDefaultColor("Construction")
if hasattr(obj.ViewObject,"LineColor"):
obj.ViewObject.LineColor = color
if hasattr(obj.ViewObject,"ShapeColor"):
obj.ViewObject.ShapeColor = color
if hasattr(obj.ViewObject,"Transparency"):
obj.ViewObject.Transparency = int(color[3]*100)
obj.ViewObject.hide()
def fixDAG(obj):
'''fixDAG(object): Fixes non-DAG problems in windows and rebars
by removing supports and external geometry from underlying sketches'''
p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Arch")
if p.GetBool("archRemoveExternal",False):
if Draft.getType(obj) in ["Window","Rebar"]:
if obj.Base:
if hasattr(obj.Base,"Support"):
if obj.Base.Support:
FreeCAD.Console.PrintMessage(translate("Arch","removing sketch support to avoid cross-referencing"))
obj.Base.Support = None
if hasattr(obj.Base,"ExternalGeometry"):
if obj.Base.ExternalGeometry:
for g in obj.Base.ExternalGeometry:
obj.Base.delExternal(0)
FreeCAD.Console.PrintMessage(translate("Arch","removing sketch external reference to avoid cross-referencing"))
def copyProperties(obj1,obj2):
'''copyProperties(obj1,obj2): Copies properties values from obj1 to obj2,
when that property exists in both objects'''
for prop in obj1.PropertiesList:
if prop in obj2.PropertiesList:
if not prop in ["Proxy","Shape"]:
setattr(obj2,prop,getattr(obj1,prop))
if obj1.ViewObject and obj2.ViewObject:
for prop in obj1.ViewObject.PropertiesList:
if prop in obj2.ViewObject.PropertiesList:
if not prop in ["Proxy","Shape"]:
setattr(obj2.ViewObject,prop,getattr(obj1.ViewObject,prop))
def splitMesh(obj,mark=True):
'''splitMesh(object,[mark]): splits the given mesh object into separated components.
If mark is False, nothing else is done. If True (default), non-manifold components
will be painted in red.'''
if not obj.isDerivedFrom("Mesh::Feature"): return []
basemesh = obj.Mesh
comps = basemesh.getSeparateComponents()
nlist = []
if comps:
basename = obj.Name
FreeCAD.ActiveDocument.removeObject(basename)
for c in comps:
newobj = FreeCAD.ActiveDocument.addObject("Mesh::Feature",basename)
newobj.Mesh = c
if mark and (not(c.isSolid()) or c.hasNonManifolds()):
newobj.ViewObject.ShapeColor = (1.0,0.0,0.0,1.0)
nlist.append(newobj)
return nlist
return [obj]
def makeFace(wires,method=2,cleanup=False):
'''makeFace(wires): makes a face from a list of wires, finding which ones are holes'''
#print "makeFace: start:", wires
import Part
if not isinstance(wires,list):
if len(wires.Vertexes) < 3:
raise
return Part.Face(wires)
elif len(wires) == 1:
#import Draft;Draft.printShape(wires[0])
if len(wires[0].Vertexes) < 3:
raise
return Part.Face(wires[0])
wires = wires[:]
#print "makeFace: inner wires found"
ext = None
max_length = 0
# cleaning up rubbish in wires
if cleanup:
for i in range(len(wires)):
wires[i] = DraftGeomUtils.removeInterVertices(wires[i])
#print "makeFace: garbage removed"
for w in wires:
# we assume that the exterior boundary is that one with
# the biggest bounding box
if w.BoundBox.DiagonalLength > max_length:
max_length = w.BoundBox.DiagonalLength
ext = w
#print "makeFace: exterior wire",ext
wires.remove(ext)
if method == 1:
# method 1: reverse inner wires
# all interior wires mark a hole and must reverse
# their orientation, otherwise Part.Face fails
for w in wires:
#print "makeFace: reversing",w
w.reverse()
# make sure that the exterior wires comes as first in the list
wires.insert(0, ext)
#print "makeFace: done sorting", wires
if wires:
return Part.Face(wires)
else:
# method 2: use the cut method
mf = Part.Face(ext)
#print "makeFace: external face:",mf
for w in wires:
f = Part.Face(w)
#print "makeFace: internal face:",f
mf = mf.cut(f)
#print "makeFace: final face:",mf.Faces
return mf.Faces[0]
def closeHole(shape):
'''closeHole(shape): closes a hole in an open shape'''
import DraftGeomUtils, Part
# creating an edges lookup table
lut = {}
for face in shape.Faces:
for edge in face.Edges:
hc = edge.hashCode()
if lut.has_key(hc):
lut[hc] = lut[hc] + 1
else:
lut[hc] = 1
# filter out the edges shared by more than one face
bound = []
for e in shape.Edges:
if lut[e.hashCode()] == 1:
bound.append(e)
bound = Part.__sortEdges__(bound)
try:
nface = Part.Face(Part.Wire(bound))
shell = Part.makeShell(shape.Faces+[nface])
solid = Part.Solid(shell)
except Part.OCCError:
raise
else:
return solid
def getCutVolume(cutplane,shapes):
"""getCutVolume(cutplane,shapes): returns a cut face and a cut volume
from the given shapes and the given cutting plane"""
if not shapes:
return None,None,None
if not cutplane.Faces:
return None,None,None
import Part
if not isinstance(shapes,list):
shapes = [shapes]
# building boundbox
bb = shapes[0].BoundBox
for sh in shapes[1:]:
bb.add(sh.BoundBox)
bb.enlarge(1)
# building cutplane space
placement = None
um = vm = wm = 0
try:
if hasattr(cutplane,"Shape"):
p = cutplane.Shape.copy().Faces[0]
else:
p = cutplane.copy().Faces[0]
except Part.OCCError:
FreeCAD.Console.PrintMessage(translate("Arch","Invalid cutplane\n"))
return None,None,None
ce = p.CenterOfMass
ax = p.normalAt(0,0)
u = p.Vertexes[1].Point.sub(p.Vertexes[0].Point).normalize()
v = u.cross(ax)
if not bb.isCutPlane(ce,ax):
#FreeCAD.Console.PrintMessage(translate("Arch","No objects are cut by the plane\n"))
return None,None,None
else:
corners = [FreeCAD.Vector(bb.XMin,bb.YMin,bb.ZMin),
FreeCAD.Vector(bb.XMin,bb.YMax,bb.ZMin),
FreeCAD.Vector(bb.XMax,bb.YMin,bb.ZMin),
FreeCAD.Vector(bb.XMax,bb.YMax,bb.ZMin),
FreeCAD.Vector(bb.XMin,bb.YMin,bb.ZMax),
FreeCAD.Vector(bb.XMin,bb.YMax,bb.ZMax),
FreeCAD.Vector(bb.XMax,bb.YMin,bb.ZMax),
FreeCAD.Vector(bb.XMax,bb.YMax,bb.ZMax)]
for c in corners:
dv = c.sub(ce)
um1 = DraftVecUtils.project(dv,u).Length
um = max(um,um1)
vm1 = DraftVecUtils.project(dv,v).Length
vm = max(vm,vm1)
wm1 = DraftVecUtils.project(dv,ax).Length
wm = max(wm,wm1)
vu = DraftVecUtils.scaleTo(u,um)
vui = vu.negative()
vv = DraftVecUtils.scaleTo(v,vm)
vvi = vv.negative()
p1 = ce.add(vu.add(vvi))
p2 = ce.add(vu.add(vv))
p3 = ce.add(vui.add(vv))
p4 = ce.add(vui.add(vvi))
cutface = Part.makePolygon([p1,p2,p3,p4,p1])
cutface = Part.Face(cutface)
cutnormal = DraftVecUtils.scaleTo(ax,wm)
cutvolume = cutface.extrude(cutnormal)
cutnormal = cutnormal.negative()
invcutvolume = cutface.extrude(cutnormal)
return cutface,cutvolume,invcutvolume
def getShapeFromMesh(mesh,fast=True,tolerance=0.001,flat=False,cut=True):
import Part, MeshPart, DraftGeomUtils
if mesh.isSolid() and (mesh.countComponents() == 1) and fast:
# use the best method
faces = []
for f in mesh.Facets:
p=f.Points+[f.Points[0]]
pts = []
for pp in p:
pts.append(FreeCAD.Vector(pp[0],pp[1],pp[2]))
try:
f = Part.Face(Part.makePolygon(pts))
except:
print "getShapeFromMesh: error building face from polygon"
#pass
else:
faces.append(f)
shell = Part.makeShell(faces)
try:
solid = Part.Solid(shell)
except Part.OCCError:
print "getShapeFromMesh: error creating solid"
else:
try:
solid = solid.removeSplitter()
except Part.OCCError:
print "getShapeFromMesh: error removing splitter"
#pass
return solid
#if not mesh.isSolid():
# print "getShapeFromMesh: non-solid mesh, using slow method"
faces = []
segments = mesh.getPlanarSegments(tolerance)
#print len(segments)
for i in segments:
if len(i) > 0:
wires = MeshPart.wireFromSegment(mesh, i)
if wires:
if flat:
nwires = []
for w in wires:
nwires.append(DraftGeomUtils.flattenWire(w))
wires = nwires
try:
faces.append(makeFace(wires,method=int(cut)+1))
except:
return None
try:
se = Part.makeShell(faces)
se = se.removeSplitter()
if flat:
return se
except Part.OCCError:
print "getShapeFromMesh: error removing splitter"
try:
cp = Part.makeCompound(faces)
except Part.OCCError:
print "getShapeFromMesh: error creating compound"
return None
else:
return cp
else:
try:
solid = Part.Solid(se)
except Part.OCCError:
print "getShapeFromMesh: error creating solid"
return se
else:
return solid
def projectToVector(shape,vector):
'''projectToVector(shape,vector): projects the given shape on the given
vector'''
projpoints = []
minl = 10000000000
maxl = -10000000000
for v in shape.Vertexes:
p = DraftVecUtils.project(v.Point,vector)
projpoints.append(p)
l = p.Length
if p.getAngle(vector) > 1:
l = -l
if l > maxl:
maxl = l
if l < minl:
minl = l
return DraftVecUtils.scaleTo(vector,maxl-minl)
def meshToShape(obj,mark=True,fast=True,tol=0.001,flat=False,cut=True):
'''meshToShape(object,[mark,fast,tol,flat,cut]): turns a mesh into a shape, joining coplanar facets. If
mark is True (default), non-solid objects will be marked in red. Fast uses a faster algorithm by
building a shell from the facets then removing splitter, tol is the tolerance used when converting
mesh segments to wires, flat will force the wires to be perfectly planar, to be sure they can be
turned into faces, but this might leave gaps in the final shell. If cut is true, holes in faces are
made by subtraction (default)'''
name = obj.Name
if "Mesh" in obj.PropertiesList:
faces = []
mesh = obj.Mesh
plac = obj.Placement
solid = getShapeFromMesh(mesh,fast,tol,flat,cut)
if solid:
if solid.isClosed() and solid.isValid():
FreeCAD.ActiveDocument.removeObject(name)
newobj = FreeCAD.ActiveDocument.addObject("Part::Feature",name)
newobj.Shape = solid
#newobj.Placement = plac #the placement is already computed in the mesh
if (not solid.isClosed()) or (not solid.isValid()):
if mark:
newobj.ViewObject.ShapeColor = (1.0,0.0,0.0,1.0)
return newobj
return None
def removeCurves(shape,dae=False,tolerance=5):
'''removeCurves(shape,dae,tolerance=5): replaces curved faces in a shape
with faceted segments. If dae is True, DAE triangulation options are used'''
import Mesh
if dae:
import importDAE
t = importDAE.triangulate(shape.cleaned())
else:
t = shape.cleaned().tessellate(tolerance)
m = Mesh.Mesh(t)
return getShapeFromMesh(m)
def removeShape(objs,mark=True):
'''removeShape(objs,mark=True): takes an arch object (wall or structure) built on a cubic shape, and removes
the inner shape, keeping its length, width and height as parameters. If mark is True, objects that cannot
be processed by this function will become red.'''
import DraftGeomUtils
if not isinstance(objs,list):
objs = [objs]
for obj in objs:
if DraftGeomUtils.isCubic(obj.Shape):
dims = DraftGeomUtils.getCubicDimensions(obj.Shape)
if dims:
name = obj.Name
tp = Draft.getType(obj)
print tp
if tp == "Structure":
FreeCAD.ActiveDocument.removeObject(name)
import ArchStructure
str = ArchStructure.makeStructure(length=dims[1],width=dims[2],height=dims[3],name=name)
str.Placement = dims[0]
elif tp == "Wall":
FreeCAD.ActiveDocument.removeObject(name)
import ArchWall
length = dims[1]
width = dims[2]
v1 = Vector(length/2,0,0)
v2 = v1.negative()
v1 = dims[0].multVec(v1)
v2 = dims[0].multVec(v2)
line = Draft.makeLine(v1,v2)
wal = ArchWall.makeWall(line,width=width,height=dims[3],name=name)
else:
if mark:
obj.ViewObject.ShapeColor = (1.0,0.0,0.0,1.0)
def mergeCells(objectslist):
'''mergeCells(objectslist): merges the objects in the given list
into one. All objects must be of the same type and based on the Cell
object (cells, floors, buildings, or sites).'''
if not objectslist:
return None
if not isinstance(objectslist,list):
return None
if len(objectslist) < 2:
return None
typ = Draft.getType(objectslist[0])
if not(typ in ["Cell","Floor","Building","Site"]):
return None
for o in objectslist:
if Draft.getType(o) != typ:
return None
base = objectslist.pop(0)
for o in objectslist:
l = base.Components
for c in o.Components:
if not c in l:
l.append(c)
base.Components = l
FreeCAD.ActiveDocument.removeObject(o.Name)
FreeCAD.ActiveDocument.recompute()
return base
def download(url,force=False):
'''download(url,force=False): downloads a file from the given URL and saves it in the
macro path. Returns the path to the saved file. If force is True, the file will be
downloaded again evn if it already exists.'''
import urllib2, os
name = url.split('/')[-1]
p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Macro")
macropath = p.GetString("MacroPath","")
if not macropath:
macropath = FreeCAD.ConfigGet("UserAppData")
filepath = os.path.join(macropath,name)
if os.path.exists(filepath) and not(force):
return filepath
try:
FreeCAD.Console.PrintMessage("downloading "+url+" ...\n")
response = urllib2.urlopen(url)
s = response.read()
f = open(filepath,'wb')
f.write(s)
f.close()
except:
return None
else:
return filepath
def check(objectslist,includehidden=False):
"""check(objectslist,includehidden=False): checks if the given objects contain only solids"""
objs = Draft.getGroupContents(objectslist)
if not includehidden:
objs = Draft.removeHidden(objs)
bad = []
for o in objs:
if not o.isDerivedFrom("Part::Feature"):
bad.append([o,"is not a Part-based object"])
else:
s = o.Shape
if (not s.isClosed()) and (not (Draft.getType(o) == "Axis")):
bad.append([o,translate("Arch","is not closed")])
elif not s.isValid():
bad.append([o,translate("Arch","is not valid")])
elif (not s.Solids) and (not (Draft.getType(o) == "Axis")):
bad.append([o,translate("Arch","doesn't contain any solid")])
else:
f = 0
for sol in s.Solids:
f += len(sol.Faces)
if not sol.isClosed():
bad.append([o,translate("Arch","contains a non-closed solid")])
if len(s.Faces) != f:
bad.append([o,translate("Arch","contains faces that are not part of any solid")])
return bad
def getHost(obj,strict=True):
"""getHost(obj,[strict]): returns the host of the current object. If strict is true (default),
the host can only be an object of a higher level than the given one, or in other words, if a wall
is contained in another wall which is part of a floor, the floor is returned instead of the parent wall"""
import Draft
t = Draft.getType(obj)
for par in obj.InList:
if par.isDerivedFrom("Part::Feature") or par.isDerivedFrom("App::DocumentObjectGroup"):
if strict:
if Draft.getType(par) != t:
return par
else:
return getHost(par,strict)
else:
return par
return None
def pruneIncluded(objectslist,strict=False):
"""pruneIncluded(objectslist,[strict]): removes from a list of Arch objects, those that are subcomponents of
another shape-based object, leaving only the top-level shapes. If strict is True, the object
is removed only if the parent is also part of the selection."""
import Draft
newlist = []
for obj in objectslist:
toplevel = True
if obj.isDerivedFrom("Part::Feature"):
if not (Draft.getType(obj) in ["Window","Clone","Pipe"]):
for parent in obj.InList:
if parent.isDerivedFrom("Part::Feature") and not (Draft.getType(parent) in ["Facebinder"]):
if not parent.isDerivedFrom("Part::Part2DObject"):
# don't consider 2D objects based on arch elements
if hasattr(parent,"CloneOf"):
if parent.CloneOf:
if parent.CloneOf.Name != obj.Name:
toplevel = False
else:
toplevel = False
else:
toplevel = False
if (toplevel == False) and strict:
if not(parent in objectslist) and not(parent in newlist):
toplevel = True
if toplevel:
newlist.append(obj)
return newlist
class _SurveyObserver:
"an observer for the survey() function"
def __init__(self,callback):
self.callback = callback
self.cancellable = False
self.selection = []
self.labels = []
def addSelection(self,document, object, element, position):
self.cancellable = False
self.callback(True)
def clearSelection(self,document):
if self.cancellable:
self.callback(True)
else:
self.cancellable = True
def survey(callback=False):
"""survey(): starts survey mode, where you can click edges and faces to get their lengths or area.
Clicking on no object (on an empty area) stops survey mode."""
if not callback:
if hasattr(FreeCAD,"SurveyObserver"):
for label in FreeCAD.SurveyObserver.labels:
FreeCAD.ActiveDocument.removeObject(label)
FreeCADGui.Selection.removeObserver(FreeCAD.SurveyObserver)
del FreeCAD.SurveyObserver
if FreeCAD.GuiUp:
if hasattr(FreeCADGui,"draftToolBar"):
FreeCADGui.draftToolBar.offUi()
else:
FreeCAD.SurveyObserver = _SurveyObserver(callback=survey)
FreeCADGui.Selection.addObserver(FreeCAD.SurveyObserver)
if FreeCAD.GuiUp:
if hasattr(FreeCADGui,"draftToolBar"):
FreeCADGui.draftToolBar.selectUi(callback=survey)
else:
sel = FreeCADGui.Selection.getSelectionEx()
if not sel:
if hasattr(FreeCAD,"SurveyObserver"):
for label in FreeCAD.SurveyObserver.labels:
FreeCAD.ActiveDocument.removeObject(label)
FreeCADGui.Selection.removeObserver(FreeCAD.SurveyObserver)
del FreeCAD.SurveyObserver
if FreeCAD.GuiUp:
if hasattr(FreeCADGui,"draftToolBar"):
FreeCADGui.draftToolBar.offUi()
else:
if hasattr(FreeCAD,"SurveyObserver"):
basesel = FreeCAD.SurveyObserver.selection
newsels = []
for o in sel:
found = False
for eo in basesel:
if o.ObjectName == eo.ObjectName:
if o.SubElementNames == eo.SubElementNames:
found = True
if not found:
newsels.append(o)
if newsels:
for o in newsels:
if o.Object.isDerivedFrom("Part::Feature"):
n = o.Object.Label
showUnit = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Arch").GetBool("surveyUnits",True)
t = ""
u = FreeCAD.Units.Quantity()
if not o.HasSubObjects:
# entire object
anno = FreeCAD.ActiveDocument.addObject("App::AnnotationLabel","surveyLabel")
if hasattr(o.Object.Shape,"CenterOfMass"):
anno.BasePosition = o.Object.Shape.CenterOfMass
else:
anno.BasePosition = o.Object.Shape.BoundBox.Center
FreeCAD.SurveyObserver.labels.append(anno.Name)
if o.Object.Shape.Solids:
u = FreeCAD.Units.Quantity(o.Object.Shape.Volume,FreeCAD.Units.Volume)
t = u.getUserPreferred()[0]
t = t.encode("utf8").replace("^3","³")
anno.LabelText = "v " + t
FreeCAD.Console.PrintMessage("Object: " + n + ", Element: Whole, Volume: " + t.decode("utf8") + "\n")
elif o.Object.Shape.Faces:
u = FreeCAD.Units.Quantity(o.Object.Shape.Area,FreeCAD.Units.Area)
t = u.getUserPreferred()[0]
t = t.encode("utf8").replace("^2","²")
anno.LabelText = "a " + t
FreeCAD.Console.PrintMessage("Object: " + n + ", Element: Whole, Area: " + t.decode("utf8") + "\n")
else:
u = FreeCAD.Units.Quantity(o.Object.Shape.Length,FreeCAD.Units.Length)
t = u.getUserPreferred()[0]
t = t.encode("utf8")
anno.LabelText = "l " + t
FreeCAD.Console.PrintMessage("Object: " + n + ", Element: Whole, Length: " + t.decode("utf8") + "\n")
if FreeCAD.GuiUp and t:
if showUnit:
QtGui.qApp.clipboard().setText(t)
else:
QtGui.qApp.clipboard().setText(str(u.Value))
else:
# single element(s)
for el in o.SubElementNames:
e = getattr(o.Object.Shape,el)
anno = FreeCAD.ActiveDocument.addObject("App::AnnotationLabel","surveyLabel")
if "Vertex" in el:
anno.BasePosition = e.Point
else:
if hasattr(e,"CenterOfMass"):
anno.BasePosition = e.CenterOfMass
else:
anno.BasePosition = e.BoundBox.Center
FreeCAD.SurveyObserver.labels.append(anno.Name)
if "Face" in el:
u = FreeCAD.Units.Quantity(e.Area,FreeCAD.Units.Area)
t = u.getUserPreferred()[0]
t = t.encode("utf8").replace("^2","²")
anno.LabelText = "a " + t
FreeCAD.Console.PrintMessage("Object: " + n + ", Element: " + el + ", Area: "+ t.decode("utf8") + "\n")
elif "Edge" in el:
u= FreeCAD.Units.Quantity(e.Length,FreeCAD.Units.Length)
t = u.getUserPreferred()[0]
t = t.encode("utf8")
anno.LabelText = "l " + t
FreeCAD.Console.PrintMessage("Object: " + n + ", Element: " + el + ", Length: " + t.decode("utf8") + "\n")
elif "Vertex" in el:
u = FreeCAD.Units.Quantity(e.Z,FreeCAD.Units.Length)
t = u.getUserPreferred()[0]
t = t.encode("utf8")
anno.LabelText = "z " + t
FreeCAD.Console.PrintMessage("Object: " + n + ", Element: " + el + ", Zcoord: " + t.decode("utf8") + "\n")
if FreeCAD.GuiUp and t:
if showUnit:
QtGui.qApp.clipboard().setText(t)
else:
QtGui.qApp.clipboard().setText(str(u.Value))
FreeCAD.SurveyObserver.selection.extend(newsels)
def toggleIfcBrepFlag(obj):
"""toggleIfcBrepFlag(obj): toggles the IFC brep flag of the given object, forcing it
to be exported as brep geometry or not."""
if not hasattr(obj,"IfcAttributes"):
FreeCAD.Console.PrintMessage(translate("Arch","Object doesn't have settable IFC Attributes"))
else:
d = obj.IfcAttributes
if "FlagForceBrep" in d.keys():
if d["FlagForceBrep"] == "True":
d["FlagForceBrep"] = "False"
FreeCAD.Console.PrintMessage(translate("Arch","Disabling Brep force flag of object")+" "+obj.Label+"\n")
else:
d["FlagForceBrep"] = "True"
FreeCAD.Console.PrintMessage(translate("Arch","Enabling Brep force flag of object")+" "+obj.Label+"\n")
else:
d["FlagForceBrep"] = "True"
FreeCAD.Console.PrintMessage(translate("Arch","Enabling Brep force flag of object")+" "+obj.Label+"\n")
obj.IfcAttributes = d
def makeCompoundFromSelected(objects=None):
"""makeCompoundFromSelected([objects]): Creates a new compound object from the given
subobjects (faces, edges) or from the the selection if objects is None"""
import FreeCADGui,Part
so = []
if not objects:
objects = FreeCADGui.Selection.getSelectionEx()
if not isinstance(objects,list):
objects = [objects]
for o in objects:
so.extend(o.SubObjects)
if so:
c = Part.makeCompound(so)
Part.show(c)
def cleanArchSplitter(objets=None):
"""cleanArchSplitter([objects]): removes the splitters from the base shapes
of the given Arch objects or selected Arch objects if objects is None"""
import FreeCAD,FreeCADGui
if not objects:
objects = FreeCADGui.Selection.getSelection()
if not isinstance(objects,list):
objects = [objects]
for obj in objects:
if obj.isDerivedFrom("Part::Feature"):
if hasattr(obj,"Base"):
if obj.Base:
print "Attempting to clean splitters from ",obj.Label
if obj.Base.isDerivedFrom("Part::Feature"):
if not obj.Base.Shape.isNull():
obj.Base.Shape = obj.Base.Shape.removeSplitter()
FreeCAD.ActiveDocument.recompute()
def rebuildArchShape(objects=None):
"""rebuildArchShape([objects]): takes the faces from the base shape of the given (
or selected if objects is None) Arch objects, and tries to rebuild a valid solid from them."""
import FreeCAD,FreeCADGui,Part
if not objects:
objects = FreeCADGui.Selection.getSelection()
if not isinstance(objects,list):
objects = [objects]
for obj in objects:
success = False
if obj.isDerivedFrom("Part::Feature"):
if hasattr(obj,"Base"):
if obj.Base:
try:
print "Attempting to rebuild ",obj.Label
if obj.Base.isDerivedFrom("Part::Feature"):
if not obj.Base.Shape.isNull():
faces = []
for f in obj.Base.Shape.Faces:
f2 = Part.Face(f.Wires)
#print "rebuilt face: isValid is ",f2.isValid()
faces.append(f2)
if faces:
shell = Part.Shell(faces)
if shell:
#print "rebuilt shell: isValid is ",shell.isValid()
solid = Part.Solid(shell)
if solid:
if not solid.isValid():
solid.sewShape()
solid = Part.Solid(solid)
#print "rebuilt solid: isValid is ",solid.isValid()
if solid.isValid():
obj.Base.Shape = solid
success = True
except:
pass
if not success:
print "Failed to rebuild a valid solid for object ",obj.Name
FreeCAD.ActiveDocument.recompute()
def getExtrusionData(shape):
"""getExtrusionData(shape): returns a base face and an extrusion vector
if this shape can be described as a perpendicular extrusion, or None if not."""
if shape.isNull():
return None
if not shape.Solids:
return None
if len(shape.Faces) < 5:
return None
# build faces list with normals
faces = []
import Part
for f in shape.Faces:
try:
faces.append([f,f.normalAt(0,0)])
except Part.OCCError:
return None
# find opposite normals pairs
pairs = []
for i1, f1 in enumerate(faces):
for i2, f2 in enumerate(faces):
if f1[0].hashCode() != f2[0].hashCode():
if round(f1[1].getAngle(f2[1]),4) == 3.1416:
pairs.append([i1,i2])
if not pairs:
return None
valids = []
for pair in pairs:
hc = [faces[pair[0]][0].hashCode(),faces[pair[1]][0].hashCode()]
# check if other normals are all at 90 degrees
ok = True
for f in faces:
if f[0].hashCode() not in hc:
if round(f[1].getAngle(faces[pair[0]][1]),4) != 1.5708:
ok = False
if ok:
valids.append([faces[pair[0]][0],faces[pair[1]][0].CenterOfMass.sub(faces[pair[0]][0].CenterOfMass)])
for v in valids:
# prefer vertical extrusions
if v[1].getAngle(FreeCAD.Vector(0,0,1)) < 0.0001:
return v
# otherwise return the first found
if valids:
return valids[0]
return None
def printMessage( message ):
FreeCAD.Console.PrintMessage( message )
if FreeCAD.GuiUp :
reply = QtGui.QMessageBox.information( None , "" , message.decode('utf8') )
def printWarning( message ):
FreeCAD.Console.PrintMessage( message )
if FreeCAD.GuiUp :
reply = QtGui.QMessageBox.warning( None , "" , message.decode('utf8') )
# command definitions ###############################################