99 lines
3.7 KiB
HTML
99 lines
3.7 KiB
HTML
<html><head><title>Macro FlattenWire3Points</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 FlattenWire3Points</h1></div>
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<div id="mw-content-text" lang="en" dir="ltr" class="mw-content-ltr"><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="FlattenWire3Points"><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> FlattenWire3Points</span></h3>
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</td></tr>
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<tr>
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<th class="ctOdd">Description
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<td class="ctEven left macro-description">This macro flattens draft wires that are not planar on a plane defined by 3 points
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</td></tr>
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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:Yorik" title="User:Yorik">Yorik</a>
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</td></tr>
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<th class="ctOdd">Links
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<td class="ctEven"><a href="Macros_recipes.html" title="Macros recipes">Macros recipes</a><br /><a href="How_to_install_macros.html" title="How to install macros">How to install macros</a><br /><a href="Customize_Toolbars.html" title="Customize Toolbars">How to customize toolbars</a>
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</td></tr>
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<tr>
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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">2016-02-06
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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="#FlattenWire3Points"><span class="tocnumber">1</span> <span class="toctext">FlattenWire3Points</span></a></li>
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</ul>
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</div>
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</table>
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<p><br />
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</p><p>This macro flattens draft wires that are not planar on a plane defined by 3 points. To use this macro, select first 3 vertices from a single <a href="Draft_Wire.html" title="Draft Wire">Draft Wire</a>.
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</p>
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<pre>import FreeCAD,FreeCADGui,Draft
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# check selection
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sel = FreeCADGui.Selection.getSelectionEx()
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ok = True
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if len(sel) != 1:
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FreeCAD.Console.PrintError("Please select 3 vertices from one Draft wire\n")
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ok = False
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sel = sel[0]
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if Draft.getType(sel.Object) not in ["Wire","BSpline"]:
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FreeCAD.Console.PrintError("Please select 3 vertices from one Draft wire\n")
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ok = False
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if len(sel.SubElementNames) != 3:
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FreeCAD.Console.PrintError("Please select 3 vertices from one Draft wire\n")
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ok = False
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for e in sel.SubElementNames:
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if not "Vertex" in e:
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FreeCAD.Console.PrintError("Please select 3 vertices from one Draft wire\n")
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ok = False
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if ok:
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# define a plane
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p1 = getattr(sel.Object.Shape,sel.SubElementNames[0]).Point
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p2 = getattr(sel.Object.Shape,sel.SubElementNames[1]).Point
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p3 = getattr(sel.Object.Shape,sel.SubElementNames[2]).Point
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p4 = p2.sub(p1).cross(p3.sub(p1))
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# project wire points
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points = []
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for p in sel.Object.Points:
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points.append(p.projectToPlane(p1,p4))
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sel.Object.Points = points </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_FlattenWire3Points&oldid=240779">http://www.freecadweb.org/wiki/index.php?title=Macro_FlattenWire3Points&oldid=240779</a>"</div>
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<h2>Navigation menu</h2>
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