Arch: Adapted IFC importer for new IfcOpenShell6
Squashed following commits: * Arch: Adapted IFC importer for IfcOpenShell6 * Arch: further fixes for ifcopenshell6 compatibility * Arch: IFC importer now converts to/from meters for better compatibility with IfcOpenShell * Arch: further fixes with ifcopenshell6 * Arch: precision adjustments in IFC exporter * Arch: small fix in makeRoof
This commit is contained in:
Yorik van Havre
parent
6202476061
commit
40f0927705
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@ -26,10 +26,10 @@ __author__ = "Yorik van Havre"
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__url__ = "http://www.freecadweb.org"
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# Possible roles for IFC objects
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Roles = ['Undefined','Beam','Beam Standard Case','Chimney','Column','Column Standard Case','Covering','Curtain Wall',
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'Door','Door Standard Case','Foundation','Furniture','Hydro Equipment','Electric Equipment',
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'Member','Plate','Railing','Ramp','Ramp Flight','Rebar','Pile','Roof','Shading Device','Slab','Space'
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'Stair','Stair Flight','Tendon','Wall','Wall Standard Case','Wall Layer','Window','Window Standard Case']
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Roles = ['Undefined','Beam','Chimney','Column','Covering','Curtain Wall',
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'Door','Foundation','Furniture','Hydro Equipment','Electric Equipment',
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'Member','Plate','Railing','Ramp','Ramp Flight','Rebar','Pile','Roof','Shading Device','Slab','Space',
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'Stair','Stair Flight','Tendon','Wall','Wall Layer','Window']
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import FreeCAD,Draft
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from FreeCAD import Vector
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@ -301,6 +301,7 @@ class Component:
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self.Type = "Component"
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self.Subvolume = None
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self.MoveWithHost = False
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obj.Role = Roles
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def execute(self,obj):
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return
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@ -47,45 +47,45 @@ def makeRoof(baseobj=None,facenr=1, angles=[45.,], run = [], idrel = [0,],thickn
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_ViewProviderRoof(obj.ViewObject)
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if baseobj:
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obj.Base = baseobj
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if obj.Base.isDerivedFrom("Part::Feature"):
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if (obj.Base.Shape.Faces and obj.Face):
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w = obj.Base.Shape.Faces[obj.Face-1].Wires[0]
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elif obj.Base.Shape.Wires:
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w = obj.Base.Shape.Wires[0]
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if w:
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if w.isClosed():
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edges = DraftGeomUtils.sortEdges(w.Edges)
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l = len(edges)
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la = len(angles)
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alist = angles
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for i in range(l-la):
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alist.append(angles[0])
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obj.Angles=alist
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lr = len(run)
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rlist = run
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for i in range(l-lr):
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rlist.append(w.Edges[i].Length/2.)
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obj.Runs = rlist
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lidrel = len(idrel)
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rellist = idrel
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for i in range(l-lidrel):
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rellist.append(0)
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obj.IdRel = rellist
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lthick = len(thickness)
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tlist = thickness
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for i in range(l-lthick):
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tlist.append(thickness[0])
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obj.Thickness = tlist
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lover = len(overhang)
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olist = overhang
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for i in range(l-lover):
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olist.append(overhang[0])
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obj.Overhang = olist
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if obj.Base.isDerivedFrom("Part::Feature"):
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if (obj.Base.Shape.Faces and obj.Face):
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w = obj.Base.Shape.Faces[obj.Face-1].Wires[0]
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elif obj.Base.Shape.Wires:
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w = obj.Base.Shape.Wires[0]
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if w:
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if w.isClosed():
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edges = DraftGeomUtils.sortEdges(w.Edges)
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l = len(edges)
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la = len(angles)
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alist = angles
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for i in range(l-la):
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alist.append(angles[0])
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obj.Angles=alist
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lr = len(run)
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rlist = run
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for i in range(l-lr):
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rlist.append(w.Edges[i].Length/2.)
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obj.Runs = rlist
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lidrel = len(idrel)
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rellist = idrel
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for i in range(l-lidrel):
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rellist.append(0)
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obj.IdRel = rellist
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lthick = len(thickness)
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tlist = thickness
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for i in range(l-lthick):
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tlist.append(thickness[0])
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obj.Thickness = tlist
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lover = len(overhang)
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olist = overhang
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for i in range(l-lover):
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olist.append(overhang[0])
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obj.Overhang = olist
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obj.Face = facenr
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return obj
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@ -214,6 +214,8 @@ class _Space(ArchComponent.Component):
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def getArea(self,obj):
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"returns the horizontal area at the center of the space"
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import Part,DraftGeomUtils
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if not hasattr(obj.Shape,"CenterOfMass"):
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return 0
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try:
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pl = Part.makePlane(1,1)
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pl.translate(obj.Shape.CenterOfMass)
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@ -116,42 +116,6 @@
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</item>
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</layout>
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</item>
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<item>
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<layout class="QHBoxLayout" name="horizontalLayout_2">
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<item>
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<widget class="QLabel" name="label_2">
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<property name="toolTip">
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<string>A scaling factor to apply to imported IFC objects</string>
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</property>
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<property name="text">
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<string>Scaling factor</string>
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</property>
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</widget>
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</item>
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<item>
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<widget class="Gui::PrefDoubleSpinBox" name="gui::prefdoublespinbox">
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<property name="toolTip">
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<string>IFC files are typically written in millimeters. If you are working in a different unit, this allow you to scale all your units to be expressed in millimeters.</string>
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</property>
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<property name="decimals">
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<number>4</number>
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</property>
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<property name="maximum">
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<double>99999.000000000000000</double>
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</property>
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<property name="value">
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<double>1.000000000000000</double>
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</property>
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<property name="prefEntry" stdset="0">
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<cstring>IfcScalingFactor</cstring>
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</property>
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<property name="prefPath" stdset="0">
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<cstring>Mod/Arch</cstring>
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</property>
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</widget>
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</item>
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</layout>
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</item>
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</layout>
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</widget>
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</item>
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@ -30,6 +30,7 @@ import os,time,tempfile,uuid,FreeCAD,Part,Draft,Arch
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if open.__module__ == '__builtin__':
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pyopen = open # because we'll redefine open below
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# which IFC type must create which FreeCAD type
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typesmap = { "Site": ["IfcSite"],
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"Building": ["IfcBuilding"],
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"Floor": ["IfcBuildingStorey"],
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@ -42,13 +43,16 @@ typesmap = { "Site": ["IfcSite"],
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"Rebar": ["IfcReinforcingBar"],
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"Equipment": ["IfcFurnishingElement","IfcSanitaryTerminal","IfcFlowTerminal","IfcElectricAppliance"]
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}
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# specific name translations
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translationtable = { "Foundation":"Footing",
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"Floor":"BuildingStorey",
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"Rebar":"ReinforcingBar",
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"HydroEquipment":"SanitaryTerminal",
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"ElectricEquipment":"ElectricAppliance",
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"Furniture":"FurnishingElement"
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"Furniture":"FurnishingElement",
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"Stair Flight":"StairFlight",
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"Curtain Wall":"CurtainWall"
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}
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ifctemplate = """ISO-10303-21;
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@ -70,11 +74,11 @@ DATA;
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#10=IFCDIRECTION((0.,1.,0.));
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#11=IFCGEOMETRICREPRESENTATIONCONTEXT('Plan','Model',3,1.E-05,#9,#10);
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#12=IFCDIMENSIONALEXPONENTS(0,0,0,0,0,0,0);
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#13=IFCSIUNIT(*,.LENGTHUNIT.,.MILLI.,.METRE.);
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#13=IFCSIUNIT(*,.LENGTHUNIT.,$,.METRE.);
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#14=IFCSIUNIT(*,.AREAUNIT.,$,.SQUARE_METRE.);
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#15=IFCSIUNIT(*,.VOLUMEUNIT.,$,.CUBIC_METRE.);
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#16=IFCSIUNIT(*,.PLANEANGLEUNIT.,$,.RADIAN.);
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#17=IFCMEASUREWITHUNIT(IFCPLANEANGLEMEASURE(0.01745),#16);
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#17=IFCMEASUREWITHUNIT(IFCPLANEANGLEMEASURE(0.017453292519943295),#16);
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#18=IFCCONVERSIONBASEDUNIT(#12,.PLANEANGLEUNIT.,'DEGREE',#17);
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#19=IFCUNITASSIGNMENT((#13,#14,#15,#18));
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#20=IFCPROJECT('$projectid',#5,'$project',$,$,$,$,(#11),#19);
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@ -83,11 +87,10 @@ END-ISO-10303-21;
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"""
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def explore(filename=None,toplevel="IfcRoot"):
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"""explore([filename],[toplevel]): opens a dialog showing
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def explore(filename=None):
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"""explore([filename]): opens a dialog showing
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the contents of an IFC file. If no filename is given, a dialog will
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pop up to choose a file. toplevel (default IFcRoot) can be used to
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limit the display to a certain category of objects and its derivates."""
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pop up to choose a file."""
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p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Arch")
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DEBUG = p.GetBool("ifcDebug",False)
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@ -95,9 +98,8 @@ def explore(filename=None,toplevel="IfcRoot"):
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try:
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import ifcopenshell
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except:
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if DEBUG: print "using legacy importer"
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import importIFClegacy
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return importIFClegacy.explore(filename)
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FreeCAD.Console.PrintError("IfcOpenShell was not found on this system. IFC support is disabled\n")
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return
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if not filename:
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from PySide import QtGui
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@ -115,7 +117,6 @@ def explore(filename=None,toplevel="IfcRoot"):
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print "File not found"
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return
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ifcopenshell.clean()
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ifc = ifcopenshell.open(filename)
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tree = QtGui.QTreeWidget()
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tree.setColumnCount(3)
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@ -130,8 +131,14 @@ def explore(filename=None,toplevel="IfcRoot"):
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bold = QtGui.QFont()
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bold.setWeight(75)
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bold.setBold(True)
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entities = ifc.by_type("IfcRoot")
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entities += ifc.by_type("IfcRepresentation")
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entities += ifc.by_type("IfcRepresentationItem")
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entities += ifc.by_type("IfcPlacement")
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entities = sorted(entities, key=lambda eid: eid.id())
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for entity in ifc.by_type(toplevel):
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for entity in entities:
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item = QtGui.QTreeWidgetItem(tree)
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if hasattr(entity,"id"):
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item.setText(0,str(entity.id()))
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@ -161,18 +168,18 @@ def explore(filename=None,toplevel="IfcRoot"):
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i = 0
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while True:
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try:
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argname = entity.wrapped_data.get_argument_name(i)
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argname = entity.attribute_name(i)
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except:
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break
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else:
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try:
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argvalue = entity.wrapped_data.get_argument(i)
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argvalue = getattr(entity,argname)
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except:
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print "Error in entity ",entity
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break
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else:
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if not argname in ["Id", "GlobalId"]:
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if isinstance(argvalue,ifcopenshell.ifc_wrapper.entity_instance):
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if isinstance(argvalue,ifcopenshell.entity_instance):
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t = "Entity #" + str(argvalue.id()) + ": " + str(argvalue.is_a())
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elif isinstance(argvalue,list):
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t = ""
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@ -183,7 +190,7 @@ def explore(filename=None,toplevel="IfcRoot"):
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item.setText(2,str(t))
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if isinstance(argvalue,list):
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for argitem in argvalue:
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if isinstance(argitem,ifcopenshell.ifc_wrapper.entity_instance):
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if isinstance(argitem,ifcopenshell.entity_instance):
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t = "Entity #" + str(argitem.id()) + ": " + str(argitem.is_a())
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else:
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t = argitem
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@ -221,14 +228,12 @@ def insert(filename,docname,skip=[]):
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PREFIX_NUMBERS = p.GetBool("ifcPrefixNumbers",False)
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SKIP = p.GetString("ifcSkip","")
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SEPARATE_OPENINGS = p.GetBool("ifcSeparateOpenings",False)
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SCALE = p.GetFloat("IfcScalingFactor",1.0)
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try:
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import ifcopenshell
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except:
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if DEBUG: print "using legacy importer"
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import importIFClegacy
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return importIFClegacy.insert(filename,docname,skip)
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FreeCAD.Console.PrintError("IfcOpenShell was not found on this system. IFC support is disabled\n")
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return
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if DEBUG: print "opening ",filename,"..."
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try:
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@ -238,13 +243,17 @@ def insert(filename,docname,skip=[]):
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FreeCAD.ActiveDocument = doc
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global ifcfile # keeping global for debugging purposes
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ifcopenshell.clean()
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if isinstance(filename,unicode):
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import sys #workaround since ifcopenshell currently can't handle unicode filenames
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filename = filename.encode(sys.getfilesystemencoding())
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ifcfile = ifcopenshell.open(filename)
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shape_attributes = ifcopenshell.SEW_SHELLS
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if SEPARATE_OPENINGS: shape_attributes += ifcopenshell.DISABLE_OPENING_SUBTRACTIONS
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from ifcopenshell import geom
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settings = ifcopenshell.geom.settings()
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settings.set(settings.USE_BREP_DATA,True)
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settings.set(settings.SEW_SHELLS,True)
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settings.set(settings.USE_WORLD_COORDS,True)
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if SEPARATE_OPENINGS:
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settings.set(settings.DISABLE_OPENING_SUBTRACTIONS,True)
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sites = ifcfile.by_type("IfcSite")
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buildings = ifcfile.by_type("IfcBuilding")
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floors = ifcfile.by_type("IfcBuildingStorey")
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@ -264,7 +273,9 @@ def insert(filename,docname,skip=[]):
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subtractions.append([r.RelatedOpeningElement.id(), r.RelatingBuildingElement.id()])
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for r in ifcfile.by_type("IfcRelDefinesByProperties"):
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for obj in r.RelatedObjects:
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properties.setdefault(obj.id(),[]).extend([e.id() for e in r.RelatingPropertyDefinition.HasProperties])
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if r.RelatingPropertyDefinition.is_a("IfcPropertySet"):
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properties.setdefault(obj.id(),[]).extend([e.id() for e in r.RelatingPropertyDefinition.HasProperties])
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count = 0
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# products
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for product in products:
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@ -275,17 +286,20 @@ def insert(filename,docname,skip=[]):
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if PREFIX_NUMBERS: name = "ID" + str(pid) + " " + name
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obj = None
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baseobj = None
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brep = None
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if (ptype == "IfcOpeningElement") and (not SEPARATE_OPENINGS): continue
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if pid in skip: continue
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if ptype in SKIP: continue
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brep = ifcopenshell.create_shape(product,shape_attributes)
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if pid in skip: continue # user given id skip list
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if ptype in SKIP: continue # preferences-set type skip list
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try:
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cr = ifcopenshell.geom.create_shape(settings,product)
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brep = cr.geometry.brep_data
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except:
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pass
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if brep:
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shape = Part.Shape()
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shape.importBrepFromString(brep)
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if SCALE != 1:
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shape.scale(SCALE)
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shape.scale(1000.0) # IfcOpenShell always outputs in meters
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if not shape.isNull():
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baseobj = FreeCAD.ActiveDocument.addObject("Part::Feature",name+"_body")
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baseobj.Shape = shape
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@ -299,6 +313,9 @@ def insert(filename,docname,skip=[]):
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tr = dict((v,k) for k, v in translationtable.iteritems())
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if r in tr.keys():
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r = tr[r]
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# remove the "StandardCase"
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if "StandardCase" in r:
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r = r[:-12]
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obj.Role = r
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except:
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pass
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@ -313,7 +330,8 @@ def insert(filename,docname,skip=[]):
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if obj:
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sh = baseobj.Shape.ShapeType if hasattr(baseobj,"Shape") else "None"
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sols = str(baseobj.Shape.Solids) if hasattr(baseobj,"Shape") else ""
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if DEBUG: print "creating object ",pid," : ",ptype, " with shape: ",sh," ",sols
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pc = str(int((float(count)/len(products)*100)))+"% "
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if DEBUG: print pc,"creating object ",pid," : ",ptype, " with shape: ",sh," ",sols
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objects[pid] = obj
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# properties
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@ -322,25 +340,31 @@ def insert(filename,docname,skip=[]):
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a = obj.IfcAttributes
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for p in properties[pid]:
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o = ifcfile[p]
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a[o.Name] = str(o.NominalValue)
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if o.is_a("IfcPropertySingleValue"):
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a[o.Name] = str(o.NominalValue)
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obj.IfcAttributes = a
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count += 1
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FreeCAD.ActiveDocument.recompute()
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if DEBUG: print "Processing relationships..."
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# subtractions
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if SEPARATE_OPENINGS:
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for subtraction in subtractions:
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if (subtraction[0] in objects.keys()) and (subtraction[1] in objects.keys()):
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Arch.removeComponents(objects[subtraction[0]],objects[subtraction[1]])
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#print objects[subtraction[0]].Name, objects[subtraction[1]].Name
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Arch.removeComponents(objects[subtraction[0]],objects[subtraction[1]])
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# additions
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for host,children in additions.iteritems():
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if host in objects.keys():
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cobs = [objects[child] for child in children if child in objects.keys()]
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if cobs:
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Arch.addComponents(cobs,objects[host])
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FreeCAD.ActiveDocument.recompute()
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# cleaning bad shapes
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for obj in objects.values():
|
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if obj.isDerivedFrom("Part::Feature"):
|
||||
|
|
@ -365,9 +389,8 @@ def export(exportList,filename):
|
|||
global ifcopenshell
|
||||
import ifcopenshell
|
||||
except:
|
||||
if DEBUG: print "using legacy exporter"
|
||||
import importIFClegacy
|
||||
return importIFClegacy.export(exportList,filename)
|
||||
FreeCAD.Console.PrintError("IfcOpenShell was not found on this system. IFC support is disabled\n")
|
||||
return
|
||||
|
||||
if isinstance(filename,unicode):
|
||||
import sys #workaround since ifcopenshell currently can't handle unicode filenames
|
||||
|
|
@ -452,9 +475,9 @@ def export(exportList,filename):
|
|||
if ifctype in ["IfcSlab","IfcFooting","IfcRoof"]:
|
||||
args = args + ["NOTDEFINED"]
|
||||
elif ifctype in ["IfcWindow","IfcDoor"]:
|
||||
args = args + [obj.Width.Value, obj.Height.Value]
|
||||
args = args + [obj.Width.Value/1000.0, obj.Height.Value/1000.0]
|
||||
elif ifctype == "IfcSpace":
|
||||
args = args + ["ELEMENT","INTERNAL",obj.Shape.BoundBox.ZMin]
|
||||
args = args + ["ELEMENT","INTERNAL",obj.Shape.BoundBox.ZMin/1000.0]
|
||||
elif ifctype == "IfcBuildingElementProxy":
|
||||
args = args + ["ELEMENT"]
|
||||
elif ifctype == "IfcSite":
|
||||
|
|
@ -565,9 +588,12 @@ def getRepresentation(ifcfile,context,obj,forcebrep=False,subtraction=False,tess
|
|||
if hasattr(obj.Proxy,"getProfiles"):
|
||||
p = obj.Proxy.getProfiles(obj,noplacement=True)
|
||||
extrusionv = obj.Proxy.getExtrusionVector(obj,noplacement=True)
|
||||
extrusionv.multiply(0.001) # to meters
|
||||
if (len(p) == 1) and extrusionv:
|
||||
p = p[0]
|
||||
p.scale(0.001) # to meters
|
||||
r = obj.Proxy.getPlacement(obj)
|
||||
r.Base = r.Base.multiply(0.001) # to meters
|
||||
|
||||
if len(p.Edges) == 1:
|
||||
|
||||
|
|
@ -624,7 +650,7 @@ def getRepresentation(ifcfile,context,obj,forcebrep=False,subtraction=False,tess
|
|||
ovc = ifcfile.createIfcCartesianPoint(tuple(e.Curve.Center)[:2])
|
||||
plc = ifcfile.createIfcAxis2Placement2D(ovc,xvc)
|
||||
cir = ifcfile.createIfcCircle(plc,e.Curve.Radius)
|
||||
curve = ifcfile.createIfcTrimmedCurve(cir,[ifcfile.create_entity("IfcParameterValue",p1)],[ifcfile.create_entity("IfcParameterValue",p2)],follow,"PARAMETER")
|
||||
curve = ifcfile.createIfcTrimmedCurve(cir,[ifcfile.createIfcParameterValue(p1)],[ifcfile.createIfcParameterValue(p2)],follow,"PARAMETER")
|
||||
|
||||
else:
|
||||
verts = [vertex.Point for vertex in e.Vertexes]
|
||||
|
|
@ -683,6 +709,7 @@ def getRepresentation(ifcfile,context,obj,forcebrep=False,subtraction=False,tess
|
|||
dataset = fcshape.Shells
|
||||
print "Warning! object contains no solids"
|
||||
for fcsolid in dataset:
|
||||
fcsolid.scale(0.001) # to meters
|
||||
faces = []
|
||||
curves = False
|
||||
for fcface in fcsolid.Faces:
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user