303 lines
14 KiB
HTML
303 lines
14 KiB
HTML
<html><head><title>Macro DXF to Face and Sketch/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 DXF to Face and Sketch/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="Facce_e_Schizzi_da_DXF"><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> Facce e Schizzi da DXF</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">Questa macro crea faccia e schizzo da un file DXF
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</td></tr>
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<tr>
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<th class="ctOdd">Autore
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</th></tr>
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<tr>
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<td class="ctEven"><a href="https://www.freecadweb.org/wiki/index.php?title=User:Shoogen,_easyw-fc&action=edit&redlink=1" class="new" title="User:Shoogen, easyw-fc (page does not exist)">shoogen, easyw-fc</a>
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</td></tr>
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<tr>
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<th class="ctOdd">Link
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</th></tr>
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<tr>
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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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<tr>
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<td class="ctEven macro-version">21.0
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</td></tr>
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<tr>
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<th class="ctOdd">Data ultima modifica
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</th></tr>
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<tr>
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<td class="ctEven macro-date">2017-10-23
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</td></tr>
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<tr>
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<th class="ctOdd">
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</th></tr>
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<tr>
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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="#Facce_e_Schizzi_da_DXF"><span class="tocnumber">1</span> <span class="toctext">Facce e Schizzi da DXF</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="#Uso"><span class="tocnumber">3</span> <span class="toctext">Uso</span></a></li>
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<li class="toclevel-1 tocsection-3"><a href="#Opzioni"><span class="tocnumber">4</span> <span class="toctext">Opzioni</span></a></li>
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<li class="toclevel-1 tocsection-4"><a href="#Script"><span class="tocnumber">5</span> <span class="toctext">Script</span></a></li>
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<li class="toclevel-1 tocsection-5"><a href="#Link"><span class="tocnumber">6</span> <span class="toctext">Link</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>Questa macro converte gli elementi selezionati di un DXF importato in facce e schizzi.
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</p><p>Può essere utilizzato anche per convertire 'Shape2DView' in Schizzi e funziona anche se sono presenti B-Spline.
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</p>
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<h2><span class="mw-headline" id="Uso">Uso</span></h2>
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<ul><li> Importare un file DXF</li>
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<li> Selezionare gli elementi da processare</li>
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<li> Avviare la macro, tutti gli oggetti selezionati vengono analizzati e trasformati in facce e in schizzi.</li></ul>
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<h2><span class="mw-headline" id="Opzioni">Opzioni</span></h2>
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<ul><li> Modificare create_face=True oppure create_sketch=True in False per generare solo un tipo di oggetti</li></ul>
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<h2><span class="mw-headline" id="Script">Script</span></h2>
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<p>Macro DXF to Face and Sketch.FCMacro
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</p>
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<pre>## Select the items to be processed
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## Launch the macro, all selected objects are analyzed and transformed into faces and sketches.
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## change create_face=True or create_sketch=True to False to generate only one item
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## todo: fix closed curves for bsplines method
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import FreeCAD,Part,Path
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from PathScripts import PathUtils
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import sys, os
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#sys.path.append('C:\Cad\Progetti_K\3D-FreeCad-tools/')
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#sys.path.append(os.path.realpath(__file__)) #workaround to test OpenSCAD2DgeomMau
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#import OpenSCAD2DgeomMau #OpenSCAD2Dgeom
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#reload(OpenSCAD2DgeomMau)
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import OpenSCAD2Dgeom
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import PySide
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from PySide import QtGui, QtCore
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import DraftGeomUtils
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import Draft
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from DraftGeomUtils import geomType
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create_face=True
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create_sketch=True
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dqd = 0.02 #discretize(QuasiDeflection=d) => gives a list of points with a maximum deflection 'd' to the edge (faster)
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def clear_console():
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#clearing previous messages
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mw=FreeCADGui.getMainWindow()
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c=mw.findChild(QtGui.QPlainTextEdit, "Python console")
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c.clear()
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r=mw.findChild(QtGui.QTextEdit, "Report view")
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r.clear()
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def shape2Sketch(shape):
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# replace shape.edges with arcs
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newEdges = PathUtils.cleanedges(shape.Edges,0.1)
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wire = Part.Wire([Part.Edge(i) for i in newEdges])
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sketch = Draft.makeSketch(wire,autoconstraints=True,delete=True)
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return sketch
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def Discretize(shape, addToName=None):
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##http://forum.freecadweb.org/viewtopic.php?f=12&t=16336#p129468
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##Discretizes the edge and returns a list of points.
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##The function accepts keywords as argument:
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##discretize(Number=n) => gives a list of 'n' equidistant points
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##discretize(QuasiNumber=n) => gives a list of 'n' quasi equidistant points (is faster than the method above)
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##discretize(Distance=d) => gives a list of equidistant points with distance 'd'
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##discretize(Deflection=d) => gives a list of points with a maximum deflection 'd' to the edge
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##discretize(QuasiDeflection=d) => gives a list of points with a maximum deflection 'd' to the edge (faster)
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##discretize(Angular=a,Curvature=c,[Minimum=m]) => gives a list of points with an angular deflection of 'a'
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##and a curvature deflection of 'c'. Optionally a minimum number of points
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##can be set which by default is set to 2.
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global dqd
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# lng=(abs(FreeCAD.ActiveDocument.getObject(skt_name).Shape.BoundBox.XLength)+abs(FreeCAD.ActiveDocument.getObject(skt_name).Shape.BoundBox.YLength))
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# dv=int(dvm*lng) #discretize auto setting
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# #dv=int(0.5*lng) #discretize auto setting COARSE for testing
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# #print dv
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# if dv < 20:
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# dv=20
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#b=FreeCAD.ActiveDocument.getObject(skt_name)
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#l=b.Shape.copy().discretize(dv)
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#l=b.Shape.copy().discretize(QuasiDeflection=0.02)
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l=shape.copy().discretize(QuasiDeflection=dqd)
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f=Part.makePolygon(l)
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Part.show(f)
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sh_name=FreeCAD.ActiveDocument.ActiveObject.Name
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if addToName is None:
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Draft.makeSketch(FreeCAD.ActiveDocument.ActiveObject,autoconstraints=True)
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else:
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Draft.makeSketch(FreeCAD.ActiveDocument.ActiveObject,autoconstraints=True, addTo=addToName)
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s_name=FreeCAD.ActiveDocument.ActiveObject.Name
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FreeCAD.ActiveDocument.removeObject(sh_name)
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#FreeCAD.ActiveDocument.removeObject(skt_name)
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FreeCAD.ActiveDocument.recompute()
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return s_name
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#stop
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def WireDiscretize(wire):
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##http://forum.freecadweb.org/viewtopic.php?f=12&t=16336#p129468
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##Discretizes the edge and returns a list of points.
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##The function accepts keywords as argument:
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##discretize(Number=n) => gives a list of 'n' equidistant points
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##discretize(QuasiNumber=n) => gives a list of 'n' quasi equidistant points (is faster than the method above)
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##discretize(Distance=d) => gives a list of equidistant points with distance 'd'
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##discretize(Deflection=d) => gives a list of points with a maximum deflection 'd' to the edge
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##discretize(QuasiDeflection=d) => gives a list of points with a maximum deflection 'd' to the edge (faster)
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##discretize(Angular=a,Curvature=c,[Minimum=m]) => gives a list of points with an angular deflection of 'a'
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##and a curvature deflection of 'c'. Optionally a minimum number of points
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##can be set which by default is set to 2.
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global dqd
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l=wire.copy().discretize(QuasiDeflection=dqd)
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f=Part.makePolygon(l)
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Part.show(f)
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sh_name=FreeCAD.ActiveDocument.ActiveObject.Name
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FreeCAD.ActiveDocument.recompute()
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return sh_name
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#stop
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#creating face from dxf
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doc = App.ActiveDocument
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clear_console()
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if FreeCADGui.Selection.getSelection():
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try:
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edges=sum((obj.Shape.Edges for obj in \
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FreeCADGui.Selection.getSelection() if hasattr(obj,'Shape')),[])
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for edge in edges:
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print "geomType ",DraftGeomUtils.geomType(edge)
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face = OpenSCAD2Dgeom.edgestofaces(edges)
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#face = OpenSCAD2DgeomMau.edgestofaces(edges)
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face.check() # reports errors
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face.fix(0,0,0)
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faceobj = doc.addObject('Part::Feature','face_%s' % "dxf")
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faceobj.Label = 'face_%s' % "dxf"
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faceobj.Shape = face
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for obj in FreeCADGui.Selection.getSelection():
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Gui.ActiveDocument.getObject(obj.Name).Visibility=False
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#creating sketch from face from dxf
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#wires,_faces = Draft.downgrade(FreeCADGui.Selection.getSelection(),delete=False)
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if create_sketch:
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if create_face:
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wires,_faces = Draft.downgrade(faceobj,delete=False)
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else:
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wires,_faces = Draft.downgrade(faceobj,delete=True)
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if 0: #try:
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sketch = Draft.makeSketch(wires[0:1])
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sketch.Label = "Sketch_dxf"
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for wire in wires[1:]:
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Draft.makeSketch([wire],addTo=sketch)
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for wire in wires:
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FreeCAD.ActiveDocument.removeObject(wire.Name)
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else: #except:
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FreeCAD.Console.PrintWarning("\nConverting Bezier curves to Arcs\n")
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#FreeCAD.ActiveDocument.removeObject(FreeCAD.ActiveDocument.ActiveObject.Name)
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#print
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sketchesList=[]
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#for wire in wires:
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# for e in wire.Shape.Edges:
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# if geomType(e) == "BSplineCurve" or geomType(e) == "BezierCurve":
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# #if 'spline' in e.Curve:
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# sk_name = Discretize(e)
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# sketchesList.append(sk_name)
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# else:
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# sketch = Draft.makeSketch(Part.Wire(e))
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# sketchesList.append(sketch.Name)
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#print sketchesList
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newShapeList = []
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newShapes = []
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for wire in wires:
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for e in wire.Shape.Edges:
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if geomType(e) == "BSplineCurve" or geomType(e) == "BezierCurve":
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#if 'spline' in e.Curve:
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w = Part.Wire(e)
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w_name =WireDiscretize(w)
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newShapeList.append(w_name)
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wn=FreeCAD.ActiveDocument.getObject(w_name)
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newShapes.append(wn)
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else:
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w = Part.Wire(e)
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Part.show(w)
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newShapes.append(w)
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w_name = FreeCAD.ActiveDocument.ActiveObject.Name
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newShapeList.append(w_name)
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#print newShapes
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sketch = Draft.makeSketch(newShapes[0])
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FreeCAD.ActiveDocument.ActiveObject.Label="Sketch_dxf"
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for w in newShapes[1:]:
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Draft.makeSketch([w],addTo=sketch)
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for wire in wires:
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FreeCAD.ActiveDocument.removeObject(wire.Name)
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for w_name in newShapeList:
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FreeCAD.ActiveDocument.removeObject(w_name)
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#stop
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#WireDiscretize(wire)
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#stop
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#sk_name=FreeCAD.ActiveDocument.ActiveObject.Name
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#skObj=FreeCAD.ActiveDocument.getObject(sk_name)
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#for wire in wires[1:]:
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# Discretize(wire.Shape,skObj)
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#for wire in wires:
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# FreeCAD.ActiveDocument.removeObject(wire.Name)
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#for wire in wires[1:]:
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# Discretize(wire.Shape,sketch)
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#for wire in wires:
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# FreeCAD.ActiveDocument.removeObject(wire.Name)
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#for wire in wires:
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# FreeCAD.ActiveDocument.removeObject(wire.Name)
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#sketch = shape2Sketch(face)
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#sketch = Discretize(FreeCAD.ActiveDocument.getObject(faceobj.Name).Shape)
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#sketch = Discretize(FreeCAD.ActiveDocument.getObject(f1.Name))
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except Part.OCCError: # Exception: #
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FreeCAD.Console.PrintError('Error in dxf %s (%s)' % (faceobj.Name,faceobj.Label)+"\n")
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else:
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#FreeCAD.Console.PrintError("Select elements from dxf imported file\n")
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FreeCAD.Console.PrintWarning("Select elements from dxf imported file\n") </pre>
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<h2><span class="mw-headline" id="Link">Link</span></h2>
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<ul><li> Forum <a rel="nofollow" class="external text" href="http://forum.freecadweb.org/viewtopic.php?f=28&t=16686">Creare uno sketch partendo da un file dxf importato</a></li>
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<li> Esempi di macro <a rel="nofollow" class="external text" href="Macros_recipes.html">Macro Creating faces from a DXF file</a></li>
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<li> Precedente versione <a href="https://www.freecadweb.org/wiki/index.php?title=Macro_Creating_faces_from_a_DXF_file/it" title="Macro Creating faces from a DXF file/it">Macro Creating faces from a DXF file</a></li></ul>
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<div style="clear:both"></div>
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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_DXF_to_Face_and_Sketch/it&oldid=253187">http://www.freecadweb.org/wiki/index.php?title=Macro_DXF_to_Face_and_Sketch/it&oldid=253187</a>"</div>
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