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ArchRoof.py
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ArchRoof.py
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#***************************************************************************
#* Copyright (c) 2012 Yorik van Havre <[email protected]> *
#* *
#* 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 math
import ArchComponent
import DraftGeomUtils
import DraftVecUtils
import FreeCAD
import Part
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):
return txt
def QT_TRANSLATE_NOOP(ctxt, txt):
return txt
# \endcond
## @package ArchRoof
# \ingroup ARCH
# \brief The Roof object and tools
#
# This module provides tools to build Roof objects.
# Roofs are built from a closed contour and a series of
# slopes.
__title__ = "FreeCAD Roof"
__author__ = "Yorik van Havre", "Jonathan Wiedemann"
__url__ = "https://www.freecadweb.org"
def adjust_list_len (lst, newLn, val):
'''Returns a clone of lst with length newLn, val is appended if required'''
ln = len(lst)
if ln > newLn:
return lst[0:newLn]
else:
return lst[:] + ([val] * (newLn - ln))
def find_inters (edge1, edge2, infinite1=True, infinite2=True):
'''Future wrapper for DraftGeomUtils.findIntersection. The function now
contains a modified copy of getLineIntersections from that function.
'''
def getLineIntersections(pt1, pt2, pt3, pt4, infinite1, infinite2):
# if pt1:
## first check if we don't already have coincident endpoints ######## we do not want that here ########
# if pt1 in [pt3, pt4]:
# return [pt1]
# elif (pt2 in [pt3, pt4]):
# return [pt2]
norm1 = pt2.sub(pt1).cross(pt3.sub(pt1))
norm2 = pt2.sub(pt4).cross(pt3.sub(pt4))
if not DraftVecUtils.isNull(norm1):
try:
norm1.normalize()
except Part.OCCError:
return []
if not DraftVecUtils.isNull(norm2):
try:
norm2.normalize()
except Part.OCCError:
return []
if DraftVecUtils.isNull(norm1.cross(norm2)):
vec1 = pt2.sub(pt1)
vec2 = pt4.sub(pt3)
if DraftVecUtils.isNull(vec1) or DraftVecUtils.isNull(vec2):
return [] # One of the lines has zero-length
try:
vec1.normalize()
vec2.normalize()
except Part.OCCError:
return []
norm3 = vec1.cross(vec2)
denom = norm3.x + norm3.y + norm3.z
if not DraftVecUtils.isNull(norm3) and denom != 0:
k = ((pt3.z - pt1.z) * (vec2.x - vec2.y)
+ (pt3.y - pt1.y) * (vec2.z - vec2.x)
+ (pt3.x - pt1.x) * (vec2.y - vec2.z)) / denom
vec1.scale(k, k, k)
intp = pt1.add(vec1)
if infinite1 is False and not isPtOnEdge(intp, edge1):
return []
if infinite2 is False and not isPtOnEdge(intp, edge2):
return []
return [intp]
else:
return [] # Lines have same direction
else:
return [] # Lines aren't on same plane
pt1, pt2, pt3, pt4 = [edge1.Vertexes[0].Point,
edge1.Vertexes[1].Point,
edge2.Vertexes[0].Point,
edge2.Vertexes[1].Point]
return getLineIntersections(pt1, pt2, pt3, pt4, infinite1, infinite2)
def face_from_points(ptLst):
ptLst.append(ptLst[0])
# Use DraftVecUtils.removeDouble after append as it does not compare the first and last vector:
ptLst = DraftVecUtils.removeDoubles(ptLst)
ln = len(ptLst)
if ln < 4: # at least 4 points are required for 3 edges
return None
edgeLst = []
for i in range(ln - 1):
edge = Part.makeLine(ptLst[i], ptLst[i + 1])
edgeLst.append(edge)
wire = Part.Wire(edgeLst)
return Part.Face(wire)
def makeRoof(baseobj=None,
facenr=0,
angles=[45.0], run=[250.0], idrel=[-1], thickness=[50.0], overhang=[100.0],
name="Roof"):
'''makeRoof(baseobj, [facenr], [angle], [name]): Makes a roof based on
a closed wire or an object.
You can provide a list of angles, run, idrel, thickness, overhang for
each edge in the wire to define the roof shape. The default for angle is
45 and the list is automatically completed to match the number of edges
in the wire.
If the base object is a solid the roof uses its shape.
'''
if not FreeCAD.ActiveDocument:
FreeCAD.Console.PrintError("No active document. Aborting\n")
return
obj = FreeCAD.ActiveDocument.addObject("Part::FeaturePython", name)
obj.Label = translate("Arch", name)
baseWire = None
_Roof(obj)
if FreeCAD.GuiUp:
_ViewProviderRoof(obj.ViewObject)
if baseobj:
obj.Base = baseobj
if hasattr(obj.Base, "Shape"):
if obj.Base.Shape.Solids:
if FreeCAD.GuiUp:
obj.Base.ViewObject.hide()
else:
if (obj.Base.Shape.Faces and obj.Face):
baseWire = obj.Base.Shape.Faces[obj.Face-1].Wires[0]
if FreeCAD.GuiUp:
obj.Base.ViewObject.hide()
elif obj.Base.Shape.Wires:
baseWire = obj.Base.Shape.Wires[0]
if FreeCAD.GuiUp:
obj.Base.ViewObject.hide()
if baseWire:
if baseWire.isClosed():
if FreeCAD.GuiUp:
obj.Base.ViewObject.hide()
edges = Part.__sortEdges__(baseWire.Edges)
ln = len(edges)
obj.Angles = adjust_list_len(angles, ln, angles[0])
obj.Runs = adjust_list_len(run, ln, run[0])
obj.IdRel = adjust_list_len(idrel, ln, idrel[0])
obj.Thickness = adjust_list_len(thickness, ln, thickness[0])
obj.Overhang = adjust_list_len(overhang, ln, overhang[0])
obj.Face = facenr
return obj
class _CommandRoof:
'''the Arch Roof command definition'''
def GetResources(self):
return {"Pixmap" : "Arch_Roof",
"MenuText": QT_TRANSLATE_NOOP("Arch_Roof", "Roof"),
"Accel" : "R, F",
"ToolTip" : QT_TRANSLATE_NOOP("Arch_Roof", "Creates a roof object from the selected wire.")}
def IsActive(self):
return not FreeCAD.ActiveDocument is None
def Activated(self):
sel = FreeCADGui.Selection.getSelectionEx()
if sel:
sel = sel[0]
obj = sel.Object
FreeCADGui.Control.closeDialog()
if sel.HasSubObjects:
if "Face" in sel.SubElementNames[0]:
i = int(sel.SubElementNames[0][4:])
FreeCAD.ActiveDocument.openTransaction(translate("Arch", "Create Roof"))
FreeCADGui.addModule("Arch")
FreeCADGui.doCommand("obj = Arch.makeRoof(FreeCAD.ActiveDocument." + obj.Name + "," + str(i) + ")")
FreeCADGui.addModule("Draft")
FreeCADGui.doCommand("Draft.autogroup(obj)")
FreeCAD.ActiveDocument.commitTransaction()
FreeCAD.ActiveDocument.recompute()
return
if hasattr(obj, "Shape"):
if obj.Shape.Wires:
FreeCAD.ActiveDocument.openTransaction(translate("Arch", "Create Roof"))
FreeCADGui.addModule("Arch")
FreeCADGui.doCommand("obj = Arch.makeRoof(FreeCAD.ActiveDocument." + obj.Name + ")")
FreeCADGui.addModule("Draft")
FreeCADGui.doCommand("Draft.autogroup(obj)")
FreeCAD.ActiveDocument.commitTransaction()
FreeCAD.ActiveDocument.recompute()
return
else:
FreeCAD.Console.PrintMessage(translate("Arch", "Unable to create a roof"))
else:
FreeCAD.Console.PrintMessage(translate("Arch", "Please select a base object") + "\n")
FreeCADGui.Control.showDialog(ArchComponent.SelectionTaskPanel())
FreeCAD.ArchObserver = ArchComponent.ArchSelectionObserver(nextCommand = "Arch_Roof")
FreeCADGui.Selection.addObserver(FreeCAD.ArchObserver)
class _Roof(ArchComponent.Component):
'''The Roof object'''
def __init__(self, obj):
ArchComponent.Component.__init__(self, obj)
self.setProperties(obj)
obj.IfcType = "Roof"
obj.Proxy = self
def setProperties(self, obj):
pl = obj.PropertiesList
if not "Angles" in pl:
obj.addProperty("App::PropertyFloatList",
"Angles",
"Roof",
QT_TRANSLATE_NOOP("App::Property", "The list of angles of the roof segments"))
if not "Runs" in pl:
obj.addProperty("App::PropertyFloatList",
"Runs",
"Roof",
QT_TRANSLATE_NOOP("App::Property", "The list of horizontal length projections of the roof segments"))
if not "IdRel" in pl:
obj.addProperty("App::PropertyIntegerList",
"IdRel",
"Roof",
QT_TRANSLATE_NOOP("App::Property", "The list of IDs of the relative profiles of the roof segments"))
if not "Thickness" in pl:
obj.addProperty("App::PropertyFloatList",
"Thickness",
"Roof",
QT_TRANSLATE_NOOP("App::Property", "The list of thicknesses of the roof segments"))
if not "Overhang" in pl:
obj.addProperty("App::PropertyFloatList",
"Overhang",
"Roof",
QT_TRANSLATE_NOOP("App::Property", "The list of overhangs of the roof segments"))
if not "Heights" in pl:
obj.addProperty("App::PropertyFloatList",
"Heights",
"Roof",
QT_TRANSLATE_NOOP("App::Property", "The list of calculated heights of the roof segments"))
if not "Face" in pl:
obj.addProperty("App::PropertyInteger",
"Face",
"Roof",
QT_TRANSLATE_NOOP("App::Property", "The face number of the base object used to build the roof"))
if not "RidgeLength" in pl:
obj.addProperty("App::PropertyLength",
"RidgeLength",
"Roof",
QT_TRANSLATE_NOOP("App::Property", "The total length of the ridges and hips of the roof"))
obj.setEditorMode("RidgeLength",1)
if not "BorderLength" in pl:
obj.addProperty("App::PropertyLength",
"BorderLength",
"Roof",
QT_TRANSLATE_NOOP("App::Property", "The total length of the borders of the roof"))
obj.setEditorMode("BorderLength",1)
if not "Flip" in pl:
obj.addProperty("App::PropertyBool",
"Flip",
"Roof",
QT_TRANSLATE_NOOP("App::Property", "Specifies if the direction of the roof should be flipped"))
self.Type = "Roof"
def onDocumentRestored(self, obj):
ArchComponent.Component.onDocumentRestored(self, obj)
self.setProperties(obj)
def flipEdges(self, edges):
edges.reverse()
newEdges = []
for edge in edges:
NewEdge = DraftGeomUtils.edg(edge.Vertexes[1].Point, edge.Vertexes[0].Point)
newEdges.append(NewEdge)
return newEdges
def calcHeight(self, id):
'''Get the height from run and angle of the given roof profile'''
htRel = self.profilsDico[id]["run"] * (math.tan(math.radians(self.profilsDico[id]["angle"])))
return htRel
def calcRun(self, id):
'''Get the run from height and angle of the given roof profile'''
runRel = self.profilsDico[id]["height"] / (math.tan(math.radians(self.profilsDico[id]["angle"])))
return runRel
def calcAngle(self, id):
'''Get the angle from height and run of the given roof profile'''
ang = math.degrees(math.atan(self.profilsDico[id]["height"] / self.profilsDico[id]["run"]))
return ang
def getPerpendicular(self, vec, rotEdge, l):
'''Get the perpendicular vec of given edge on xy plane'''
norm = Vector(0.0, 0.0, 1.0)
if hasattr(self, "normal"):
if self.normal:
norm = self.normal
per = vec.cross(norm)
if -180.0 <= rotEdge < -90.0:
per[0] = -abs(per[0])
per[1] = -abs(per[1])
elif -90.0 <= rotEdge <= 0.0:
per[0] = -abs(per[0])
per[1] = abs(per[1])
elif 0.0 < rotEdge <= 90.0:
per[0] = abs(per[0])
per[1] = abs(per[1])
elif 90.0 < rotEdge <= 180.0:
per[0] = abs(per[0])
per[1] = -abs(per[1])
else:
print("Unknown Angle")
per[2] = abs(per[2])
per.normalize()
per = per.multiply(l)
return per
def makeRoofProfilsDic(self, id, angle, run, idrel, overhang, thickness):
profilDico = {}
profilDico["id"] = id
if angle == 90.0:
profilDico["name"] = "Gable" + str(id)
profilDico["run"] = 0.0
else:
profilDico["name"] = "Sloped" + str(id)
profilDico["run"] = run
profilDico["angle"] = angle
profilDico["idrel"] = idrel
profilDico["overhang"] = overhang
profilDico["thickness"] = thickness
profilDico["height"] = None
profilDico["points"] = []
self.profilsDico.append(profilDico)
def calcEdgeGeometry(self, i, edge):
profilCurr = self.profilsDico[i]
profilCurr["edge"] = edge
vec = edge.Vertexes[1].Point.sub(edge.Vertexes[0].Point)
profilCurr["vec"] = vec
rot = math.degrees(DraftVecUtils.angle(vec))
profilCurr["rot"] = rot
def helperCalcApex(self, profilCurr, profilOpposite):
ptCurr = profilCurr["edge"].Vertexes[0].Point
ptOpposite = profilOpposite["edge"].Vertexes[0].Point
dis = ptCurr.distanceToLine(ptOpposite, profilOpposite["vec"])
if dis < profilCurr["run"] + profilOpposite["run"]: # sum of runs is larger than dis
angCurr = profilCurr["angle"]
angOpposite = profilOpposite["angle"]
return dis / (math.tan(math.radians(angCurr)) / math.tan(math.radians(angOpposite)) + 1.0)
return profilCurr["run"]
def calcApex(self, i, numEdges):
'''Recalculate the run and height if there is an opposite roof segment
with a parallel edge, and if the sum of the runs of the segments is
larger than the distance between the edges of the segments.
'''
profilCurr = self.findProfil(i)
if 0 <= profilCurr["idrel"] < numEdges: # no apex calculation if idrel is used
return
if not 0.0 < profilCurr["angle"] < 90.0:
return
profilNext2 = self.findProfil(i + 2)
profilBack2 = self.findProfil(i - 2)
vecCurr = profilCurr["vec"]
vecNext2 = profilNext2["vec"]
vecBack2 = profilBack2["vec"]
runs = []
if ((not 0 <= profilNext2["idrel"] < numEdges)
and 0.0 < profilNext2["angle"] < 90.0
and vecCurr.getAngle(vecNext2) == math.pi):
runs.append((self.helperCalcApex(profilCurr, profilNext2)))
if ((not 0 <= profilBack2["idrel"] < numEdges)
and 0.0 < profilBack2["angle"] < 90.0
and vecCurr.getAngle(vecBack2) == math.pi):
runs.append((self.helperCalcApex(profilCurr, profilBack2)))
runs.sort()
if len(runs) != 0 and runs[0] != profilCurr["run"]:
profilCurr["run"] = runs[0]
hgt = self.calcHeight(i)
profilCurr["height"] = hgt
def calcMissingData(self, i, numEdges):
profilCurr = self.profilsDico[i]
ang = profilCurr["angle"]
run = profilCurr["run"]
rel = profilCurr["idrel"]
if i != rel and 0 <= rel < numEdges:
profilRel = self.profilsDico[rel]
# do not use data from the relative profile if it in turn references a relative profile:
if (0 <= profilRel["idrel"] < numEdges # idrel of profilRel points to a profile
and rel != profilRel["idrel"] # profilRel does not reference itself
and (profilRel["angle"] == 0.0 or profilRel["run"] == 0.0)): # run or angle of profilRel is zero
hgt = self.calcHeight(i)
profilCurr["height"] = hgt
elif ang == 0.0 and run == 0.0:
profilCurr["run"] = profilRel["run"]
profilCurr["angle"] = profilRel["angle"]
profilCurr["height"] = self.calcHeight(i)
elif run == 0.0:
if ang == 90.0:
htRel = self.calcHeight(rel)
profilCurr["height"] = htRel
else :
htRel = self.calcHeight(rel)
profilCurr["height"] = htRel
run = self.calcRun(i)
profilCurr["run"] = run
elif ang == 0.0:
htRel = self.calcHeight(rel)
profilCurr["height"] = htRel
ang = self.calcAngle(i)
profilCurr["angle"] = ang
else :
hgt = self.calcHeight(i)
profilCurr["height"] = hgt
else:
hgt = self.calcHeight(i)
profilCurr["height"] = hgt
def calcDraftEdges(self, i):
profilCurr = self.profilsDico[i]
edge = profilCurr["edge"]
vec = profilCurr["vec"]
rot = profilCurr["rot"]
ang = profilCurr["angle"]
run = profilCurr["run"]
if ang != 90 and run == 0.0:
overhang = 0.0
else:
overhang = profilCurr["overhang"]
per = self.getPerpendicular(vec, rot, overhang).negative()
eaveDraft = DraftGeomUtils.offset(edge, per)
profilCurr["eaveDraft"] = eaveDraft
per = self.getPerpendicular(vec, rot, run)
ridge = DraftGeomUtils.offset(edge, per)
profilCurr["ridge"] = ridge
def calcEave(self, i):
profilCurr = self.findProfil(i)
ptInterEaves1Lst = find_inters(profilCurr["eaveDraft"], self.findProfil(i - 1)["eaveDraft"])
if ptInterEaves1Lst:
ptInterEaves1 = ptInterEaves1Lst[0]
else:
ptInterEaves1 = profilCurr["eaveDraft"].Vertexes[0].Point
ptInterEaves2Lst = find_inters(profilCurr["eaveDraft"], self.findProfil(i + 1)["eaveDraft"])
if ptInterEaves2Lst:
ptInterEaves2 = ptInterEaves2Lst[0]
else:
ptInterEaves2 = profilCurr["eaveDraft"].Vertexes[1].Point
profilCurr["eavePtLst"] = [ptInterEaves1, ptInterEaves2] # list of points instead of edge as points can be identical
def findProfil(self, i):
if 0 <= i < len(self.profilsDico):
profil = self.profilsDico[i]
else:
i = abs(abs(i) - len(self.profilsDico))
profil = self.profilsDico[i]
return profil
def helperGable(self, profilCurr, profilOther, isBack):
if isBack:
i = 0
else:
i = 1
ptIntLst = find_inters(profilCurr["ridge"], profilOther["eaveDraft"])
if ptIntLst: # the edges of the roof segments are not parallel
ptProjLst = [ptIntLst[0]]
else: # the edges of the roof segments are parallel
ptProjLst = [profilCurr["ridge"].Vertexes[i].Point]
ptProjLst = ptProjLst + [profilCurr["eavePtLst"][i]]
if not isBack:
ptProjLst.reverse()
for ptProj in ptProjLst:
self.ptsPaneProject.append(ptProj)
def backGable(self, i):
profilCurr = self.findProfil(i)
profilBack = self.findProfil(i - 1)
self.helperGable(profilCurr, profilBack, isBack = True)
def nextGable(self, i):
profilCurr = self.findProfil(i)
profilNext = self.findProfil(i + 1)
self.helperGable(profilCurr, profilNext, isBack = False)
def helperSloped(self, profilCurr, profilOther, ridgeCurr, ridgeOther, isBack, otherIsLower=False):
if isBack:
i = 0
else:
i = 1
ptIntLst = find_inters(ridgeCurr, ridgeOther)
if ptIntLst: # the edges of the roof segments are not parallel
ptInt = ptIntLst[0]
if otherIsLower:
ptRidgeLst = find_inters(profilCurr["ridge"], profilOther["ridge"])
ptProjLst = [ptRidgeLst[0], ptInt]
else:
ptProjLst = [ptInt]
hip = DraftGeomUtils.edg(ptInt, profilCurr["edge"].Vertexes[i].Point)
ptEaveCurrLst = find_inters(hip, profilCurr["eaveDraft"])
ptEaveOtherLst = find_inters(hip, profilOther["eaveDraft"])
if ptEaveCurrLst and ptEaveOtherLst: # both roof segments are sloped
lenToEaveCurr = ptEaveCurrLst[0].sub(ptInt).Length
lenToEaveOther = ptEaveOtherLst[0].sub(ptInt).Length
if lenToEaveCurr < lenToEaveOther:
ptProjLst = ptProjLst + [ptEaveCurrLst[0]]
else:
ptProjLst = ptProjLst + [ptEaveOtherLst[0],
profilCurr["eavePtLst"][i]]
elif ptEaveCurrLst: # current angle is 0
ptProjLst = ptProjLst + [ptEaveCurrLst[0]]
elif ptEaveOtherLst: # other angle is 0
ptProjLst = ptProjLst + [ptEaveOtherLst[0],
profilCurr["eavePtLst"][i]]
else:
print("Error determining outline")
else: # the edges of the roof segments are parallel
ptProjLst = [profilCurr["ridge"].Vertexes[i].Point,
profilCurr["eavePtLst"][i]]
if not isBack:
ptProjLst.reverse()
for ptProj in ptProjLst:
self.ptsPaneProject.append(ptProj)
def backSameHeight(self, i):
profilCurr = self.findProfil(i)
profilBack = self.findProfil(i - 1)
self.helperSloped(profilCurr,
profilBack,
profilCurr["ridge"],
profilBack["ridge"],
isBack = True)
def nextSameHeight(self, i):
profilCurr = self.findProfil(i)
profilNext = self.findProfil(i + 1)
self.helperSloped(profilCurr,
profilNext,
profilCurr["ridge"],
profilNext["ridge"],
isBack = False)
def backHigher(self, i):
profilCurr = self.findProfil(i)
profilBack = self.findProfil(i - 1)
dec = profilCurr["height"] / math.tan(math.radians(profilBack["angle"]))
per = self.getPerpendicular(profilBack["vec"], profilBack["rot"], dec)
edgeRidgeOnPane = DraftGeomUtils.offset(profilBack["edge"], per)
self.helperSloped(profilCurr,
profilBack,
profilCurr["ridge"],
edgeRidgeOnPane,
isBack = True)
def nextHigher(self, i):
profilCurr = self.findProfil(i)
profilNext = self.findProfil(i + 1)
dec = profilCurr["height"] / math.tan(math.radians(profilNext["angle"]))
per = self.getPerpendicular(profilNext["vec"], profilNext["rot"], dec)
edgeRidgeOnPane = DraftGeomUtils.offset(profilNext["edge"], per)
self.helperSloped(profilCurr,
profilNext,
profilCurr["ridge"],
edgeRidgeOnPane,
isBack = False)
def backLower(self, i):
profilCurr = self.findProfil(i)
profilBack = self.findProfil(i - 1)
dec = profilBack["height"] / math.tan(math.radians(profilCurr["angle"]))
per = self.getPerpendicular(profilCurr["vec"], profilCurr["rot"], dec)
edgeRidgeOnPane = DraftGeomUtils.offset(profilCurr["edge"], per)
self.helperSloped(profilCurr,
profilBack,
edgeRidgeOnPane,
profilBack["ridge"],
isBack = True,
otherIsLower = True)
def nextLower(self, i):
profilCurr = self.findProfil(i)
profilNext = self.findProfil(i + 1)
dec = profilNext["height"] / math.tan(math.radians(profilCurr["angle"]))
per = self.getPerpendicular(profilCurr["vec"], profilCurr["rot"], dec)
edgeRidgeOnPane = DraftGeomUtils.offset(profilCurr["edge"], per)
self.helperSloped(profilCurr,
profilNext,
edgeRidgeOnPane,
profilNext["ridge"],
isBack = False,
otherIsLower = True)
def getRoofPaneProject(self, i):
self.ptsPaneProject = []
profilCurr = self.findProfil(i)
profilBack = self.findProfil(i - 1)
profilNext = self.findProfil(i + 1)
if profilCurr["angle"] == 90.0 or profilCurr["run"] == 0.0:
self.ptsPaneProject = []
else:
if profilBack["angle"] == 90.0 or profilBack["run"] == 0.0:
self.backGable(i)
elif profilBack["height"] == profilCurr["height"]:
self.backSameHeight(i)
elif profilBack["height"] < profilCurr["height"]:
self.backLower(i)
elif profilBack["height"] > profilCurr["height"]:
self.backHigher(i)
else:
print("Arch Roof: Case not implemented")
if profilNext["angle"] == 90.0 or profilNext["run"] == 0.0:
self.nextGable(i)
elif profilNext["height"] == profilCurr["height"]:
self.nextSameHeight(i)
elif profilNext["height"] < profilCurr["height"]:
self.nextLower(i)
elif profilNext["height"] > profilCurr["height"]:
self.nextHigher(i)
else:
print("Arch Roof: Case not implemented")
profilCurr["points"] = self.ptsPaneProject
def createProfilShape (self, points, midpoint, rot, vec, run, diag, sol):
lp = len(points)
points.append(points[0])
edgesWire = []
for i in range(lp):
edge = Part.makeLine(points[i],points[i + 1])
edgesWire.append(edge)
profil = Part.Wire(edgesWire)
profil.translate(midpoint)
profil.rotate(midpoint, Vector(0.0, 0.0, 1.0), 90.0 - rot)
per = self.getPerpendicular(vec, rot, run)
profil.rotate(midpoint, per, 90.0)
vecT = vec.normalize()
vecT.multiply(diag)
profil.translate(vecT)
vecE = vecT.multiply(-2.0)
profilFace = Part.Face(profil)
profilShp = profilFace.extrude(vecE)
profilShp = sol.common(profilShp)
#shapesList.append(profilShp)
return profilShp
def execute(self, obj):
if self.clone(obj):
return
pl = obj.Placement
#self.baseface = None
self.flip = False
if hasattr(obj, "Flip"):
if obj.Flip:
self.flip = True
base = None
baseWire = None
if obj.Base:
if hasattr(obj.Base, "Shape"):
if obj.Base.Shape.Solids:
base = obj.Base.Shape
#pl = obj.Base.Placement
else:
if (obj.Base.Shape.Faces and obj.Face):
baseWire = obj.Base.Shape.Faces[obj.Face-1].Wires[0]
elif obj.Base.Shape.Wires:
baseWire = obj.Base.Shape.Wires[0]
if baseWire:
if baseWire.isClosed():
self.profilsDico = []
self.shps = []
self.subVolShps = []
heights = []
edges = Part.__sortEdges__(baseWire.Edges)
if self.flip:
edges = self.flipEdges(edges)
ln = len(edges)
obj.Angles = adjust_list_len(obj.Angles, ln, obj.Angles[0])
obj.Runs = adjust_list_len(obj.Runs, ln, obj.Runs[0])
obj.IdRel = adjust_list_len(obj.IdRel, ln, obj.IdRel[0])
obj.Thickness = adjust_list_len(obj.Thickness, ln, obj.Thickness[0])
obj.Overhang = adjust_list_len(obj.Overhang, ln, obj.Overhang[0])
for i in range(ln):
self.makeRoofProfilsDic(i, obj.Angles[i], obj.Runs[i], obj.IdRel[i], obj.Overhang[i], obj.Thickness[i])
for i in range(ln):
self.calcEdgeGeometry(i, edges[i])
for i in range(ln):
self.calcApex(i, ln) # after calcEdgeGeometry as it uses vec data
for i in range(ln):
self.calcMissingData(i, ln) # after calcApex so it can use recalculated heights
for i in range(ln):
self.calcDraftEdges(i)
for i in range(ln):
self.calcEave(i)
for profil in self.profilsDico:
heights.append(profil["height"])
obj.Heights = heights
for i in range(ln):
self.getRoofPaneProject(i)
profilCurr = self.profilsDico[i]
ptsPaneProject = profilCurr["points"]
if len(ptsPaneProject) == 0:
continue
face = face_from_points(ptsPaneProject)
if face:
diag = face.BoundBox.DiagonalLength
midpoint = DraftGeomUtils.findMidpoint(profilCurr["edge"])
thicknessV = profilCurr["thickness"] / (math.cos(math.radians(profilCurr["angle"])))
overhangV = profilCurr["overhang"] * math.tan(math.radians(profilCurr["angle"]))
sol = face.extrude(Vector(0.0, 0.0, profilCurr["height"] + 1000000.0))
sol.translate(Vector(0.0, 0.0, -2.0 * overhangV))
## baseVolume shape
ptsPaneProfil = [Vector(-profilCurr["overhang"], -overhangV, 0.0),
Vector(profilCurr["run"], profilCurr["height"], 0.0),
Vector(profilCurr["run"], profilCurr["height"] + thicknessV, 0.0),
Vector(-profilCurr["overhang"], -overhangV + thicknessV, 0.0)]
self.shps.append(self.createProfilShape(ptsPaneProfil,
midpoint,
profilCurr["rot"],
profilCurr["vec"],
profilCurr["run"],
diag,
sol))
## subVolume shape
ptsSubVolProfil = [Vector(-profilCurr["overhang"], -overhangV, 0.0),
Vector(profilCurr["run"], profilCurr["height"], 0.0),
Vector(profilCurr["run"], profilCurr["height"] + 900000.0, 0.0),
Vector(-profilCurr["overhang"], profilCurr["height"] + 900000.0, 0.0)]
self.subVolShps.append(self.createProfilShape(ptsSubVolProfil,
midpoint,
profilCurr["rot"],
profilCurr["vec"],
profilCurr["run"],
diag,
sol))
if len(self.shps) == 0: # occurs if all segments have angle=90 or run=0.
# create a flat roof using the eavePtLst outline:
ptsPaneProject = []
for i in range(ln):
ptsPaneProject.append(self.profilsDico[i]["eavePtLst"][0])
face = face_from_points(ptsPaneProject)
if face:
thk = max(1.0, self.profilsDico[0]["thickness"]) # FreeCAD will crash when extruding with a null vector here
self.shps = [face.extrude(Vector(0.0, 0.0, thk))]
self.subVolShps = [face.extrude(Vector(0.0, 0.0, 1000000.0))]
## baseVolume
base = self.shps.pop()
for s in self.shps:
base = base.fuse(s)
base = self.processSubShapes(obj, base, pl)
self.applyShape(obj, base, pl, allownosolid = True)
## subVolume
self.sub = self.subVolShps.pop()
for s in self.subVolShps:
self.sub = self.sub.fuse(s)
self.sub = self.sub.removeSplitter()
if not self.sub.isNull():
if not DraftGeomUtils.isNull(pl):
self.sub.Placement = pl
elif base:
base = self.processSubShapes(obj, base, pl)
self.applyShape(obj, base, pl, allownosolid = True)
else:
FreeCAD.Console.PrintMessage(translate("Arch", "Unable to create a roof"))
def getSubVolume(self, obj):
'''returns a volume to be subtracted'''
if obj.Base:
if hasattr(obj.Base, "Shape"):
if obj.Base.Shape.Solids:
return obj.Shape
else :
if hasattr(self, "sub"):
if self.sub:
return self.sub
else :
self.execute(obj)
return self.sub
else :
self.execute(obj)
return self.sub
return None
def computeAreas(self, obj):
'''computes border and ridge roof edges length'''
if hasattr(obj, "RidgeLength") and hasattr(obj, "BorderLength"):
rl = 0
bl = 0
rn = 0
bn = 0
if obj.Shape:
if obj.Shape.Faces:
faceLst = []
for face in obj.Shape.Faces:
if face.normalAt(0, 0).getAngle(Vector(0.0, 0.0, 1.0)) < math.pi / 2.0:
faceLst.append(face)
if faceLst:
try:
shell = Part.Shell(faceLst)
except Exception:
pass
else:
lut={}
if shell.Faces:
for face in shell.Faces:
for edge in face.Edges:
hc = edge.hashCode()
if hc in lut:
lut[hc] = lut[hc] + 1
else:
lut[hc] = 1
for edge in shell.Edges:
if lut[edge.hashCode()] == 1:
bl += edge.Length
bn += 1
elif lut[edge.hashCode()] == 2:
rl += edge.Length
rn += 1
if obj.RidgeLength.Value != rl:
obj.RidgeLength = rl
#print(str(rn)+" ridge edges in roof "+obj.Name)
if obj.BorderLength.Value != bl:
obj.BorderLength = bl
#print(str(bn)+" border edges in roof "+obj.Name)
ArchComponent.Component.computeAreas(self, obj)
class _ViewProviderRoof(ArchComponent.ViewProviderComponent):
'''A View Provider for the Roof object'''
def __init__(self, vobj):
ArchComponent.ViewProviderComponent.__init__(self, vobj)
def getIcon(self):
return ":/icons/Arch_Roof_Tree.svg"
def attach(self, vobj):
self.Object = vobj.Object
return
def unsetEdit(self, vobj, mode):
FreeCADGui.Control.closeDialog()
return
def setEdit(self, vobj, mode=0):
if vobj.Object.Base.Shape.Solids:
taskd = ArchComponent.ComponentTaskPanel()
taskd.obj = self.Object
taskd.update()
FreeCADGui.Control.showDialog(taskd)
else:
taskd = _RoofTaskPanel()
taskd.obj = self.Object
taskd.update()
FreeCADGui.Control.showDialog(taskd)
return True
class _RoofTaskPanel:
'''The editmode TaskPanel for Roof objects'''
def __init__(self):
self.updating = False
self.obj = None
self.form = QtGui.QWidget()
self.form.setObjectName("TaskPanel")
self.grid = QtGui.QGridLayout(self.form)
self.grid.setObjectName("grid")
self.title = QtGui.QLabel(self.form)
self.grid.addWidget(self.title, 0, 0, 1, 1)
# tree
self.tree = QtGui.QTreeWidget(self.form)
self.grid.addWidget(self.tree, 1, 0, 1, 1)
self.tree.setRootIsDecorated(False) # remove 1st column's extra left margin
self.tree.setColumnCount(7)
self.tree.header().resizeSection(0, 37) # 37px seems to be the minimum size
self.tree.header().resizeSection(1, 70)
self.tree.header().resizeSection(2, 62)
self.tree.header().resizeSection(3, 37)
self.tree.header().resizeSection(4, 60)
self.tree.header().resizeSection(5, 60)
self.tree.header().resizeSection(6, 70)
QtCore.QObject.connect(self.tree, QtCore.SIGNAL("itemChanged(QTreeWidgetItem *, int)"), self.edit)
self.update()
def isAllowedAlterSelection(self):
return False
def isAllowedAlterView(self):
return True
def getStandardButtons(self):
return int(QtGui.QDialogButtonBox.Close)
def update(self):
'''fills the treewidget'''
self.updating = True
if self.obj:
root = self.tree.invisibleRootItem()
if root.childCount() == 0:
for i in range(len(self.obj.Angles)):
QtGui.QTreeWidgetItem(self.tree)
for i in range(len(self.obj.Angles)):
item = root.child(i)
item.setText(0, str(i))
item.setText(1, str(self.obj.Angles[i]))
item.setText(2, str(self.obj.Runs[i]))
item.setText(3, str(self.obj.IdRel[i]))
item.setText(4, str(self.obj.Thickness[i]))
item.setText(5, str(self.obj.Overhang[i]))
item.setText(6, str(self.obj.Heights[i]))
item.setFlags(item.flags() | QtCore.Qt.ItemIsEditable)
# treeHgt = 1 + 23 + (len(self.obj.Angles) * 17) + 1 # 1px borders, 23px header, 17px rows
# self.tree.setMinimumSize(QtCore.QSize(445, treeHgt))
self.retranslateUi(self.form)
self.updating = False
def edit(self, item, column):
if not self.updating:
self.resetObject()
def resetObject(self, remove=None):
'''transfers the values from the widget to the object'''
ang = []
run = []
rel = []
thick = []
over = []
root = self.tree.invisibleRootItem()
for it in root.takeChildren():
ang.append(float(it.text(1)))
run.append(float(it.text(2)))
rel.append(int(it.text(3)))
thick.append(float(it.text(4)))
over.append(float(it.text(5)))
self.obj.Runs = run
self.obj.Angles = ang
self.obj.IdRel = rel
self.obj.Thickness = thick
self.obj.Overhang = over