Konvertera Nät till Delar

Beskrivning
File:Text-x-python MeshToPart
This macro converts selected meshes to parts. It has a broad tolerance, so use it only with objects that have no curves otherwise you'll get weird results Versions makro : 1.0 Författare : Wmayer
Författare
Wmayer
Ladda ner
None
länkar
Makros recept Så här installerar du makron Hur man anpassar verktygsfält
Makroversion
1.0
Datum senaste ändring
None
FreeCAD Version(s)
None
Standard genväg
None
Se även
None

Beskrivning

This macro converts selected meshes to parts. It has a broad tolerance, so use it only with objects that have no curves otherwise you'll get errors or weird results

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

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