<html><head><title>Macro MeshToPart/cs</title><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><link type='text/css' href='wiki.css' rel='stylesheet'></head><body><h1>Macro MeshToPart/cs</h1></div>
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<h3><span class="mw-headline" id="MeshToPart"><a href="https://www.freecadweb.org/wiki/index.php?title=File:Text-x-python.png" class="image"><img alt="Text-x-python.png" src="32px-Text-x-python.png" width="32" height="32" srcset="/wiki/images/2/2c/Text-x-python.png 1.5x" /></a> MeshToPart</span></h3>
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<th class="ctOdd">Description
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<td class="ctEven left macro-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.
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<th class="ctOdd">Author
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<td class="ctEven macro-author"><a href="https://www.freecadweb.org/wiki/index.php?title=User:Wmayer" title="User:Wmayer">Wmayer</a>
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<th class="ctOdd">Links
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<td class="ctEven"><a href="https://www.freecadweb.org/wiki/index.php?title=Macros_recipes/cs" title="Macros recipes/cs">Makro návody</a><br /><a href="https://www.freecadweb.org/wiki/index.php?title=How_to_install_macros/cs" title="How to install macros/cs">How to install macros</a><br /><a href="https://www.freecadweb.org/wiki/index.php?title=Customize_Toolbars/cs" title="Customize Toolbars/cs">How to customize toolbars</a>
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<th class="ctOdd">Version
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<td class="ctEven macro-version">1.0
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<th class="ctOdd">Date last modification
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<td class="ctEven macro-date">2011-08-01
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<td class="ctToc"><br /><div id="toc" class="toc"><div class="toctitle"><h2>Contents</h2></div>
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<li class="toclevel-1"><a href="#MeshToPart"><span class="tocnumber">1</span> <span class="toctext">MeshToPart</span></a></li>
<li class="toclevel-1 tocsection-1"><a href="#Popis"><span class="tocnumber">2</span> <span class="toctext">Popis</span></a></li>
<li class="toclevel-1 tocsection-2"><a href="#Link"><span class="tocnumber">3</span> <span class="toctext">Link</span></a></li>
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<p><br />
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<h2><span class="mw-headline" id="Popis">Popis</span></h2>
<p>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
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<pre>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 </pre>
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<h2><span class="mw-headline" id="Link">Link</span></h2>
<p>The discussion on the forum <a rel="nofollow" class="external text" href="http://forum.freecadweb.org/viewtopic.php?f=3&t=253&hilit=getPlanarSegments">Convert mesh to solid?</a>
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