97 lines
4.2 KiB
HTML
97 lines
4.2 KiB
HTML
<html><head><title>Macro Extract Wires from Mesh/it</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 Extract Wires from Mesh/it</h1></div>
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<div id="mw-content-text" lang="it" dir="ltr" class="mw-content-ltr"><hr/><div class="mw-parser-output"><table class="fcinfobox wikitable ct" width="100%" style="float: right; width: 230px; margin-left: 10px;">
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<tr>
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<td class="ctTitle">
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<h3><span class="mw-headline" id="Wire_da_Mesh"><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> Wire da Mesh</span></h3>
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</td></tr>
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<tr>
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<th class="ctOdd">Descrizione
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</th></tr>
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<tr>
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<td class="ctEven left">Estrae i bordi wire dai mesh selezionati
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</td></tr>
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<th class="ctOdd">Autore
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</th></tr>
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<td class="ctEven"><a href="https://www.freecadweb.org/wiki/index.php?title=User:Yorik" title="User:Yorik">Yorik</a>
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</td></tr>
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<tr>
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<th class="ctOdd">Link
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<td class="ctEven"><a href="https://www.freecadweb.org/wiki/index.php?title=Macros_recipes/it" title="Macros recipes/it">Esempi di macro</a><br /><a href="https://www.freecadweb.org/wiki/index.php?title=How_to_install_macros/it" title="How to install macros/it">Come installare le Macro</a><br /><a href="https://www.freecadweb.org/wiki/index.php?title=Customize_Toolbars/it" title="Customize Toolbars/it">Personalizzare la barra degli strumenti</a>
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</td></tr>
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<tr>
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<th class="ctOdd">Versione
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</th></tr>
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<td class="ctEven macro-version">1
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</td></tr>
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<th class="ctOdd">Data ultima modifica
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</th></tr>
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<td class="ctEven macro-date">2016-12-17
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<td class="ctToc"><br /><div id="toc" class="toc"><div class="toctitle"><h2>Contents</h2></div>
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<ul>
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<li class="toclevel-1"><a href="#Wire_da_Mesh"><span class="tocnumber">1</span> <span class="toctext">Wire da Mesh</span></a></li>
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<li class="toclevel-1 tocsection-1"><a href="#Descrizione"><span class="tocnumber">2</span> <span class="toctext">Descrizione</span></a></li>
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<li class="toclevel-1 tocsection-2"><a href="#Script"><span class="tocnumber">3</span> <span class="toctext">Script</span></a></li>
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</ul>
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</div>
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</td></tr>
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</table>
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<p><br />
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</p>
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<h2><span class="mw-headline" id="Descrizione">Descrizione</span></h2>
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<p>Trova i contorni di wire negli oggetti mesh selezionati. I contorni wire sono formati da tutti i bordi trovati nell'oggetto mesh che sono condivisi da una sola faccia, cioè, che sono spigoli "confine". I wire trovati vengono aggiunti al documento (un composto per oggetto mesh), mentre la mesh stessa viene nascosta.
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</p>
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<h2><span class="mw-headline" id="Script">Script</span></h2>
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<pre>#!/usr/bin/python
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# This macro will extract wires from selected meshes
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# The result is a new Part Compound containing wires, one per original mesh object
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# The selected meshes will be hidden but still selected after the operation.
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# Warning, it takes a bit of time...
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import FreeCAD,FreeCADGui,Part,Draft,DraftGeomUtils,Mesh
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for obj in FreeCADGui.Selection.getSelection():
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if obj.isDerivedFrom("Mesh::Feature"):
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shape = Part.Shape()
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shape.makeShapeFromMesh(obj.Mesh.Topology,0.1)
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edges = []
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lut = {}
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for f in shape.Faces:
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for e in f.Edges:
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lut.setdefault(e.hashCode(),[]).append(e)
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for k,v in lut.items():
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if len(v) == 1:
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edges.extend(v)
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if edges:
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wires = DraftGeomUtils.findWires(edges)
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if wires:
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Part.show(Part.makeCompound(wires))
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obj.ViewObject.hide() </pre>
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</div>
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</div>
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</div><div class="printfooter">
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Online version: "<a dir="ltr" href="https://www.freecadweb.org/wiki/index.php?title=Macro_Extract_Wires_from_Mesh/it&oldid=240073">http://www.freecadweb.org/wiki/index.php?title=Macro_Extract_Wires_from_Mesh/it&oldid=240073</a>"</div>
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</div>
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<div id="mw-navigation">
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<h2>Navigation menu</h2>
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