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Arch: add options to import structural engineering ifc

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This commit is contained in:
Bernd Hahnebach 2015-08-05 08:04:03 +02:00 committed by Yorik van Havre
parent d5f80ff61c
commit aec3ab60cb
2 changed files with 136 additions and 16 deletions
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57
src/Mod/Arch/Resources/ui/preferences-ifc.ui
View File

@ -6,8 +6,8 @@
<rect>
<x>0</x>
<y>0</y>
<width>376</width>
<height>399</height>
<width>456</width>
<height>478</height>
</rect>
</property>
<property name="windowTitle">
@ -60,7 +60,7 @@
<item>
<widget class="QLabel" name="label_5">
<property name="text">
<string>Import IFC objects as</string>
<string>Import arch IFC objects as</string>
</property>
</widget>
</item>
@ -70,7 +70,7 @@
<string>Specifies what kind of objects will be created in FreeCAD</string>
</property>
<property name="prefEntry" stdset="0">
<cstring>ifcImportMode</cstring>
<cstring>ifcImportModeArch</cstring>
</property>
<property name="prefPath" stdset="0">
<cstring>Mod/Arch</cstring>
@ -95,6 +95,55 @@
<string>One compound per floor</string>
</property>
</item>
<item>
<property name="text">
<string>Do not import Arch objects</string>
</property>
</item>
</widget>
</item>
</layout>
</item>
<item>
<layout class="QHBoxLayout" name="horizontalLayout_5">
<item>
<widget class="QLabel" name="label_6">
<property name="text">
<string>Import struct IFC objects as</string>
</property>
</widget>
</item>
<item>
<widget class="Gui::PrefComboBox" name="comboBox_2">
<property name="toolTip">
<string>Specifies what kind of objects will be created in FreeCAD</string>
</property>
<property name="prefEntry" stdset="0">
<cstring>ifcImportModeStruct</cstring>
</property>
<property name="prefPath" stdset="0">
<cstring>Mod/Arch</cstring>
</property>
<item>
<property name="text">
<string>Non-parametric Arch objects</string>
</property>
</item>
<item>
<property name="text">
<string>Simple Part shapes</string>
</property>
</item>
<item>
<property name="text">
<string>One compound for all</string>
</property>
</item>
<item>
<property name="text">
<string>Do not import structural objects</string>
</property>
</item>
</widget>
</item>
</layout>

95
src/Mod/Arch/importIFC.py
View File

@ -44,6 +44,11 @@ typesmap = { "Site": ["IfcSite"],
"Equipment": ["IfcFurnishingElement","IfcSanitaryTerminal","IfcFlowTerminal","IfcElectricAppliance"]
}
# which IFC entity (product) is a structural object
structuralifcobjects = ('IfcStructuralSurfaceMember', 'IfcStructuralCurveMember',
'IfcStructuralPointConnection', 'IfcStructuralSurfaceConnection',
'IfcStructuralAction', 'IfcStructuralPointAction')
# specific name translations
translationtable = { "Foundation":"Footing",
"Floor":"BuildingStorey",
@ -286,8 +291,9 @@ def insert(filename,docname,skip=[],only=[],root=None):
MERGE_MATERIALS = p.GetBool("ifcMergeMaterials",False)
if root:
ROOT_ELEMENT = root
MERGE_MODE = p.GetInt("ifcImportMode",0)
if MERGE_MODE > 0:
MERGE_MODE_ARCH = p.GetInt("ifcImportModeArch",0)
MERGE_MODE_STRUCT = p.GetInt("ifcImportModeStruct",1)
if MERGE_MODE_ARCH > 0:
SEPARATE_OPENINGS = False
GET_EXTRUSIONS = False
if not SEPARATE_OPENINGS:
@ -318,6 +324,8 @@ def insert(filename,docname,skip=[],only=[],root=None):
settings.set(settings.USE_WORLD_COORDS,True)
if SEPARATE_OPENINGS:
settings.set(settings.DISABLE_OPENING_SUBTRACTIONS,True)
if MERGE_MODE_STRUCT != 3:
settings.set(settings.INCLUDE_CURVES,True)
sites = ifcfile.by_type("IfcSite")
buildings = ifcfile.by_type("IfcBuilding")
floors = ifcfile.by_type("IfcBuildingStorey")
@ -331,15 +339,19 @@ def insert(filename,docname,skip=[],only=[],root=None):
# building relations tables
objects = {} # { id:object, ... }
additions = {} # { host:[child,...], ... }
groups = {} # { host:[child,...], ... } # used in structural IFC
subtractions = [] # [ [opening,host], ... ]
properties = {} # { host:[property, ...], ... }
colors = {} # { id:(r,g,b) }
shapes = {} # { id:shaoe } only used for merge mode
structshapes = {} # { id:shaoe } only used for merge mode
mattable = {} # { objid:matid }
for r in ifcfile.by_type("IfcRelContainedInSpatialStructure"):
additions.setdefault(r.RelatingStructure.id(),[]).extend([e.id() for e in r.RelatedElements])
for r in ifcfile.by_type("IfcRelAggregates"):
additions.setdefault(r.RelatingObject.id(),[]).extend([e.id() for e in r.RelatedObjects])
for r in ifcfile.by_type("IfcRelAssignsToGroup"):
groups.setdefault(r.RelatingGroup.id(),[]).extend([e.id() for e in r.RelatedObjects])
for r in ifcfile.by_type("IfcRelVoidsElement"):
subtractions.append([r.RelatedOpeningElement.id(), r.RelatingBuildingElement.id()])
for r in ifcfile.by_type("IfcRelDefinesByProperties"):
@ -403,6 +415,15 @@ def insert(filename,docname,skip=[],only=[],root=None):
baseobj = None
brep = None
archobj = True # assume all objects not in structuralifcobjects are architecture
if ptype in structuralifcobjects:
archobj = False
if MERGE_MODE_ARCH == 4 and archobj:
if DEBUG: print " skipped."
continue
if MERGE_MODE_STRUCT == 3 and not archobj:
if DEBUG: print " skipped."
continue
if pid in skip: # user given id skip list
if DEBUG: print " skipped."
continue
@ -425,9 +446,13 @@ def insert(filename,docname,skip=[],only=[],root=None):
shape.scale(1000.0) # IfcOpenShell always outputs in meters
if not shape.isNull():
if MERGE_MODE > 0:
if (MERGE_MODE_ARCH > 0 and archobj) or not archobj:
if ptype == "IfcSpace": # do not add spaces to compounds
if DEBUG: print "skipping space ",pid
elif not archobj:
structshapes[pid] = shape
if DEBUG: print shape.Solids
baseobj = shape
else:
shapes[pid] = shape
if DEBUG: print shape.Solids
@ -456,7 +481,7 @@ def insert(filename,docname,skip=[],only=[],root=None):
else:
if DEBUG: print " no brep ",
if MERGE_MODE == 0:
if MERGE_MODE_ARCH == 0 and archobj :
# full Arch objects
for freecadtype,ifctypes in typesmap.items():
@ -490,7 +515,7 @@ def insert(filename,docname,skip=[],only=[],root=None):
if DEBUG: print sols
objects[pid] = obj
elif MERGE_MODE == 1:
elif (MERGE_MODE_ARCH == 1 and archobj) or (MERGE_MODE_STRUCT == 0 and not archobj):
# non-parametric Arch objects
if ptype in ["IfcSite","IfcBuilding","IfcBuildingStorey"]:
@ -500,7 +525,7 @@ def insert(filename,docname,skip=[],only=[],root=None):
elif baseobj:
obj = Arch.makeComponent(baseobj,name=name,delete=True)
elif MERGE_MODE == 2:
elif (MERGE_MODE_ARCH == 2 and archobj) or (MERGE_MODE_STRUCT == 1 and not archobj):
# Part shapes
if ptype in ["IfcSite","IfcBuilding","IfcBuildingStorey"]:
@ -540,11 +565,57 @@ def insert(filename,docname,skip=[],only=[],root=None):
progressbar.stop()
FreeCAD.ActiveDocument.recompute()
if MERGE_MODE == 3:
if MERGE_MODE_STRUCT == 2:
if DEBUG: print "Joining Structural shapes..."
for host,children in groups.items(): # Structural
if ifcfile[host].is_a("IfcStructuralAnalysisModel"):
compound = []
for c in children:
if c in structshapes.keys():
compound.append(structshapes[c])
del structshapes[c]
if compound:
name = ifcfile[host].Name or "AnalysisModel"
if PREFIX_NUMBERS: name = "ID" + str(host) + " " + name
obj = FreeCAD.ActiveDocument.addObject("Part::Feature",name)
obj.Label = name
obj.Shape = Part.makeCompound(compound)
if structshapes: # remaining Structural shapes
obj = FreeCAD.ActiveDocument.addObject("Part::Feature","UnclaimedStruct")
obj.Shape = Part.makeCompound(structshapes.values())
else:
if DEBUG: print "Joining shapes..."
if DEBUG: print "Processing Struct relationships..."
# groups
for host,children in groups.items():
if ifcfile[host].is_a("IfcStructuralAnalysisModel"):
obj = FreeCAD.ActiveDocument.addObject("App::DocumentObjectGroup","AnalysisModel")
objects[host] = obj
if host in objects.keys():
cobs = [objects[child] for child in children if child in objects.keys()]
if cobs:
if DEBUG: print "adding ",len(cobs), " object(s) to ", objects[host].Label
Arch.addComponents(cobs,objects[host])
if DEBUG: FreeCAD.ActiveDocument.recompute()
if MERGE_MODE_ARCH > 2: # if ArchObj is compound or ArchObj not imported
FreeCAD.ActiveDocument.recompute()
# cleaning bad shapes
for obj in objects.values():
if obj.isDerivedFrom("Part::Feature"):
if obj.Shape.isNull():
Arch.rebuildArchShape(obj)
if MERGE_MODE_ARCH == 3:
for host,children in additions.items():
if DEBUG: print "Joining Arch shapes..."
for host,children in additions.items(): # Arch
if ifcfile[host].is_a("IfcBuildingStorey"):
compound = []
for c in children:
@ -562,13 +633,13 @@ def insert(filename,docname,skip=[],only=[],root=None):
obj = FreeCAD.ActiveDocument.addObject("Part::Feature",name)
obj.Label = name
obj.Shape = Part.makeCompound(compound)
if shapes: # remaining shapes
obj = FreeCAD.ActiveDocument.addObject("Part::Feature","Unclaimed")
if shapes: # remaining Arch shapes
obj = FreeCAD.ActiveDocument.addObject("Part::Feature","UnclaimedArch")
obj.Shape = Part.makeCompound(shapes.values())
else:
if DEBUG: print "Processing relationships..."
if DEBUG: print "Processing Arch relationships..."
# subtractions
if SEPARATE_OPENINGS: