def buildCrossSection(sliceInfo, passModel=None):
"""Render the 2D objects required for cross-sections."""
if passModel is None:
passModel = getModel()
doc = FreeCAD.ActiveDocument
sliceName = sliceInfo['sliceName']
axis, distance = sliceInfo['axis'], sliceInfo['distance']
sliceParts = {}
for name, part in iteritems(passModel.modelDict['3DParts']):
# loop over FreeCAD shapes corresponding to part
polygons = {}
for shapeName in part['fileNames'].keys():
# slice the 3D part
fcName = shapeName + '_section_' + sliceName
partObj = doc.getObject(shapeName)
section = crossSection(partObj, axis=axis, d=distance, name=fcName)
# separate disjoint pieces
segments, cycles = findEdgeCycles(section)
for i, cycle in enumerate(cycles):
points = [tuple(segments[idx, 0]) for idx in cycle]
patchName = fcName
patchName = '{}_{}'.format(shapeName, i)
polygons[patchName] = points
# store sliced part
if polygons:
slicePart = part.copy()
slicePart['type'] = "domain"
slicePart['3DPart'] = name
slicePart['geometry'] = polygons
sliceParts[name] = slicePart
return sliceParts
def build2DGeo(passModel=None):
"""Construct the 2D geometry entities defined in the json file."""
# TODO: THIS FUNCTION NEEDS TO BE UPDATED AFTER modelRevision
# RESTRUCTURING!
myModel = getModel() if passModel is None else passModel
twoDObjs = {}
doc = FreeCAD.ActiveDocument
for fcName in myModel.modelDict['freeCADInfo']:
keys = myModel.modelDict['freeCADInfo'][fcName].keys()
if '2DObject' in keys:
objType = '2DObject'
objControlDict = myModel.modelDict['freeCADInfo'][fcName][objType]
returnDict = {}
returnDict.update(objControlDict['physicsProps'])
returnDict['type'] = objControlDict['type']
if objControlDict['type'] == 'boundary':
points = [
tuple(v.Point)
for v in doc.getObject(fcName).Shape.Vertexes
]
twoDObjs[fcName] = (points, returnDict)
else:
lineSegments, cycles = findEdgeCycles(doc.getObject(fcName))
for i, cycle in enumerate(cycles):
points = [tuple(lineSegments[idx, 0]) for idx in cycle]
name = fcName
if len(cycles) > 1:
name = '{}_{}'.format(name, i)
twoDObjs[name] = (points, returnDict)
return twoDObjs
def __init__(self, passModel=None, debugMode=False):
"""Builds a model defined by the JSON input file."""
if passModel is None:
self.model = getModel()
else:
self.model = passModel
self.debugMode = debugMode
self.doc = FreeCAD.ActiveDocument
self._buildPartsDict = {}
self.lithoSetup = False # Has the litho setup routine been run?
self.trash = [] # trash for garbage collection at the end
# Update the FreeCAD model to reflect the current value of any model
# parameters:
updateParams(passModel=self.model)