Makro SíťNaDíl

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File:Text-x-python MeshToPart

Description
Toto makro zkonvertuje vybrané sítě na díl. Má ovšem značné tolerance, takže je použitelné pouze pro objekty, které nemají křivky, jinak nelze zaručit správný výsledek.

Author: Wmayer
Author
Wmayer
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Macro Version
1.0
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Toto makro zkonvertuje vybrané sítě na díl. Má ovšem značné tolerance, takže je použitelné pouze pro objekty, které nemají křivky, jinak nelze zaručit správný výsledek.


import FreeCAD,FreeCADGui,Mesh,Part,MeshPart

for obj in FreeCADGui.Selection.getSelection():
	if "Mesh" in obj.PropertiesList:
		faces = []		
		mesh = obj.Mesh
		segments = mesh.getPlanarSegments(0.01) # use rather strict tolerance here

		for i in segments:
		  if len(i) > 0:
		     # a segment can have inner holes
		     wires = MeshPart.wireFromSegment(mesh, i)
		     # we assume that the exterior boundary is that one with the biggest bounding box
		     if len(wires) > 0:
		        ext = None
		        max_length = 0
		        for i in wires:		
		           if i.BoundBox.DiagonalLength > max_length:
		              max_length = i.BoundBox.DiagonalLength
		              ext = i
 	        	wires.remove(ext)
	        	# all interior wires mark a hole and must reverse their orientation, otherwise Part.Face fails
	        	for i in wires:
	        	   i.reverse()
	        	# make sure that the exterior wires comes as first in the lsit
	        	wires.insert(0, ext)
	        	faces.append(Part.Face(wires))

		shell=Part.Compound(faces)
		solid = Part.Solid(Part.Shell(faces))
		name = obj.Name
		FreeCAD.ActiveDocument.removeObject(name)
		FreeCAD.ActiveDocument.addObject("Part::Feature",name).Shape = solid