Draft: workaround for exporting DXF with R14+ templates - fixes 2177
- Adapted Drawing algos to export R14+ compatible DXF code - Added option in DXF prefs to disable groups (not supported in R14+ templates)
This commit is contained in:
Yorik van Havre
parent
45292eb9ee
commit
dab7ef4262
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@ -1672,7 +1672,10 @@ def getDXF(obj,direction=None):
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elif obj.isDerivedFrom("Part::Feature"):
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# TODO do this the Draft way, for ex. using polylines and rectangles
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import Drawing
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if not direction: direction = FreeCAD.Vector(0,0,-1)
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if not direction:
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direction = FreeCAD.Vector(0,0,-1)
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if DraftVecUtils.isNull(direction):
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direction = FreeCAD.Vector(0,0,-1)
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result += Drawing.projectToDXF(obj.Shape,direction)
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else:
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@ -4522,7 +4525,7 @@ class _DrawingView(_DraftObject):
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if o.ViewObject.isVisible():
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result += getDXF(o,obj.Direction)
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else:
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result += getDXF(o,obj.Direction)
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result += getDXF(obj.Source,obj.Direction)
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return result
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class _BSpline(_DraftObject):
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@ -478,6 +478,29 @@
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</item>
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</layout>
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</item>
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<item>
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<layout class="QHBoxLayout" name="horizontalLayout_10">
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<item>
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<widget class="Gui::PrefCheckBox" name="checkBox_5">
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<property name="toolTip">
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<string>if this is checked, Drawing Views will be exported as blocks. This might fail for post-R12 templates.</string>
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</property>
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<property name="text">
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<string>Export Drawing Views as blocks</string>
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</property>
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<property name="checked">
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<bool>true</bool>
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</property>
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<property name="prefEntry" stdset="0">
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<cstring>dxfExportBlocks</cstring>
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</property>
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<property name="prefPath" stdset="0">
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<cstring>Mod/Draft</cstring>
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</property>
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</widget>
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</item>
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</layout>
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</item>
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</layout>
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</widget>
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</item>
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@ -1861,18 +1861,23 @@ def export(objectslist,filename,nospline=False,lwPoly=False):
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FreeCAD.Console.PrintMessage("successfully exported "+filename+"\r\n")
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else:
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errorDXFLib(gui)
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class dxfcounter:
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def __init__(self):
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self.count = 10000 # this leaves 10000 entities for the template...
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def incr(self,matchobj):
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self.count += 1
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#print format(self.count,'02x')
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return format(self.count,'02x')
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def exportPage(page,filename):
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"special export for pages"
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template = os.path.splitext(page.Template)[0]+".dxf"
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global dxfhandle
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dxfhandle = 1
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if os.path.exists(template):
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f = pythonopen(template,"U")
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template = f.read()
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f.close()
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# find & replace editable texts
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import re
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f = pythonopen(page.Template,"rb")
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svgtemplate = f.read()
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f.close()
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@ -1886,8 +1891,8 @@ def exportPage(page,filename):
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print("DXF version of the template not found. Creating a default empty template.")
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template = "999\nFreeCAD DXF exporter v"+FreeCAD.Version()[0]+"."+FreeCAD.Version()[1]+"-"+FreeCAD.Version()[2]+"\n"
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template += "0\nSECTION\n2\nHEADER\n9\n$ACADVER\n1\nAC1009\n0\nENDSEC\n"
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template += "0\nSECTION\n2\nBLOCKS\n$blocks\n0\nENDSEC\n"
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template += "0\nSECTION\n2\nENTITIES\n$entities\n0\nENDSEC\n"
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template += "0\nSECTION\n2\nBLOCKS\n999\n$blocks\n0\nENDSEC\n"
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template += "0\nSECTION\n2\nENTITIES\n999\n$entities\n0\nENDSEC\n"
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template += "0\nEOF"
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blocks = ""
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entities = ""
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@ -1895,18 +1900,23 @@ def exportPage(page,filename):
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b,e = getViewDXF(view)
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blocks += b
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entities += e
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result = template.replace("999\n$blocks",blocks[:-1])
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result = result.replace("999\n$entities",entities[:-1])
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if blocks:
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template = template.replace("999\n$blocks",blocks[:-1])
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if entities:
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template = template.replace("999\n$entities",entities[:-1])
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c = dxfcounter()
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pat = re.compile("(_handle_)")
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template = pat.sub(c.incr,template)
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f = pythonopen(filename,"wb")
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f.write(result)
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f.write(template)
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f.close()
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def getViewDXF(view):
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def getViewDXF(view,blocks=True):
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"returns a DXF fragment from a Drawing View"
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global dxfhandle
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block = ""
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insert = ""
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blockcount = 1
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if view.isDerivedFrom("App::DocumentObjectGroup"):
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for child in view.Group:
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@ -1918,47 +1928,52 @@ def getViewDXF(view):
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if hasattr(view.Proxy,"getDXF"):
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r = view.Rotation
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if r != 0: r = -r # fix rotation direction
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count = 0
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block = ""
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insert = ""
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geom = view.Proxy.getDXF(view)
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if not isinstance(geom,list): geom = [geom]
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for g in geom: # getDXF returns a list of entities
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g = g.replace("sheet_layer\n","0\n6\nBYBLOCK\n62\n0\n") # change layer and set color and ltype to BYBLOCK (0)
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block += "0\nBLOCK\n8\n0\n2\n"+view.Name+str(count)+"\n70\n0\n10\n0\n20\n0\n3\n"+view.Name+str(count)+"\n1\n\n"
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block += g
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block += "0\nENDBLK\n8\n0\n"
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insert += "0\nINSERT\n5\naaaa"+hex(dxfhandle)[2:]+"\n8\n0\n6\nBYLAYER\n62\n256\n2\n"+view.Name+str(count)
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insert += "\n10\n"+str(view.X)+"\n20\n"+str(-view.Y)
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insert += "\n30\n0\n41\n"+str(view.Scale)+"\n42\n"+str(view.Scale)+"\n43\n"+str(view.Scale)
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insert += "\n50\n"+str(r)+"\n"
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dxfhandle += 1
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count += 1
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if dxfExportBlocks:
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g = g.replace("sheet_layer\n","0\n6\nBYBLOCK\n62\n0\n5\n_handle_\n") # change layer and set color and ltype to BYBLOCK (0)
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block += "0\nBLOCK\n5\n_handle_\n100\nAcDbEntity\n8\n0\n100\nAcDbBlockBegin\n2\n"+view.Name+str(blockcount)+"\n70\n0\n10\n0\n20\n0\n3\n"+view.Name+str(blockcount)+"\n1\n\n"
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block += g
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block += "0\nENDBLK\n5\n_handle_\n100\nAcDbEntity\n8\n0\n100\nAcDbBlockEnd\n"
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insert += "0\nINSERT\n5\n_handle_\n8\n0\n6\nBYLAYER\n62\n256\n2\n"+view.Name+str(blockcount)
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insert += "\n10\n"+str(view.X)+"\n20\n"+str(-view.Y)
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insert += "\n30\n0\n41\n"+str(view.Scale)+"\n42\n"+str(view.Scale)+"\n43\n"+str(view.Scale)
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insert += "\n50\n"+str(r)+"\n"
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blockcount += 1
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else:
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g = g.replace("sheet_layer\n","0\n5\n_handle_\n") # change layer, add handle
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insert += g
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elif view.isDerivedFrom("Drawing::FeatureViewPart"):
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r = view.Rotation
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if r != 0: r = -r # fix rotation direction
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import Drawing
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proj = Drawing.projectToDXF(view.Source.Shape,view.Direction)
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proj = proj.replace("sheet_layer\n","0\n6\nBYBLOCK\n62\n0\n") # change layer and set color and ltype to BYBLOCK (0)
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block = "0\nBLOCK\n8\n0\n2\n"+view.Name+"\n70\n0\n10\n0\n20\n0\n3\n"+view.Name+"\n1\n\n"
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block += proj
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block += "0\nENDBLK\n8\n0\n"
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insert = "0\nINSERT\n5\naaaa"+hex(dxfhandle)[2:]+"\n8\n0\n6\nBYLAYER\n62\n256\n2\n"+view.Name
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insert += "\n10\n"+str(view.X)+"\n20\n"+str(-view.Y)
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insert += "\n30\n0\n41\n"+str(view.Scale)+"\n42\n"+str(view.Scale)+"\n43\n"+str(view.Scale)
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insert += "\n50\n"+str(r)+"\n"
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dxfhandle += 1
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if dxfExportBlocks:
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proj = proj.replace("sheet_layer\n","0\n6\nBYBLOCK\n62\n0\n5\n_handle_\n") # change layer and set color and ltype to BYBLOCK (0)
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block = "0\nBLOCK\n5\n_handle_\n100\nAcDbEntity\n8\n0\n100\nAcDbBlockBegin\n2\n"+view.Name+str(blockcount)+"\n70\n0\n10\n0\n20\n0\n3\n"+view.Name+str(blockcount)+"\n1\n\n"
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block += proj
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block += "0\nENDBLK\n5\n_handle_\n100\nAcDbEntity\n8\n0\n100\nAcDbBlockEnd\n"
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insert += "0\nINSERT\n5\n_handle_\n8\n0\n6\nBYLAYER\n62\n256\n2\n"+view.Name+str(blockcount)
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insert += "\n10\n"+str(view.X)+"\n20\n"+str(-view.Y)
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insert += "\n30\n0\n41\n"+str(view.Scale)+"\n42\n"+str(view.Scale)+"\n43\n"+str(view.Scale)
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insert += "\n50\n"+str(r)+"\n"
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blockcount += 1
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else:
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proj = proj.replace("sheet_layer\n","0\n5\n_handle_\n")
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insert += proj
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elif view.isDerivedFrom("Drawing::FeatureViewAnnotation"):
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r = view.Rotation
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if r != 0: r = -r # fix rotation direction
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insert ="0\nTEXT\n5\n"+hex(dxfhandle)[2:]+"\n8\n0"
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insert ="0\nTEXT\n5\n_handle_\n8\n0\n100\nAcDbEntity\n100\nAcDbText\n5\n_handle_"
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insert += "\n10\n"+str(view.X)+"\n20\n"+str(-view.Y)
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insert += "\n30\n0\n40\n"+str(view.Scale/2)
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insert += "\n50\n"+str(r)
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insert += "\n1\n"+view.Text[0]+"\n"
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dxfhandle += 1
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else:
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print("Unable to get DXF representation from view: ",view.Label)
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@ -1979,7 +1994,7 @@ def readPreferences():
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global dxfCreatePart, dxfCreateDraft, dxfCreateSketch, dxfDiscretizeCurves, dxfStarBlocks
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global dxfMakeBlocks, dxfJoin, dxfRenderPolylineWidth, dxfImportTexts, dxfImportLayouts
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global dxfImportPoints, dxfImportHatches, dxfUseStandardSize, dxfGetColors, dxfUseDraftVisGroups
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global dxfFillMode, dxfBrightBackground, dxfDefaultColor, dxfUseLegacyImporter
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global dxfFillMode, dxfBrightBackground, dxfDefaultColor, dxfUseLegacyImporter, dxfExportBlocks
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dxfCreatePart = p.GetBool("dxfCreatePart",True)
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dxfCreateDraft = p.GetBool("dxfCreateDraft",False)
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dxfCreateSketch = p.GetBool("dxfCreateSketch",False)
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@ -1999,3 +2014,4 @@ def readPreferences():
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dxfUseLegacyImporter = p.GetBool("dxfUseLegacyImporter",True)
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dxfBrightBackground = isBrightBackground()
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dxfDefaultColor = getColor()
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dxfExportBlocks = p.GetBool("dxfExportBlocks",True)
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@ -495,6 +495,10 @@ void DXFOutput::printCircle(const BRepAdaptor_Curve& c, std::ostream& out)
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out << "CIRCLE" << endl;
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out << 8 << endl; // Group code for layer name
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out << "sheet_layer" << endl; // Layer number
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out << "100" << endl;
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out << "AcDbEntity" << endl;
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out << "100" << endl;
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out << "AcDbCircle" << endl;
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out << 10 << endl; // Centre X
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out << p.X() << endl; // X in WCS coordinates
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out << 20 << endl;
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@ -534,6 +538,10 @@ void DXFOutput::printCircle(const BRepAdaptor_Curve& c, std::ostream& out)
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out << "ARC" << endl;
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out << 8 << endl; // Group code for layer name
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out << "sheet_layer" << endl; // Layer number
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out << "100" << endl;
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out << "AcDbEntity" << endl;
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out << "100" << endl;
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out << "AcDbCircle" << endl;
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out << 10 << endl; // Centre X
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out << p.X() << endl; // X in WCS coordinates
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out << 20 << endl;
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@ -542,6 +550,8 @@ void DXFOutput::printCircle(const BRepAdaptor_Curve& c, std::ostream& out)
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out << 0 << endl; // Z in WCS coordinates
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out << 40 << endl; //
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out << r << endl; // Radius
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out << "100" << endl;
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out << "AcDbArc" << endl;
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out << 50 << endl;
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out << start_angle << endl; // Start angle
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out << 51 << endl;
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@ -601,6 +611,10 @@ void DXFOutput::printEllipse(const BRepAdaptor_Curve& c, int id, std::ostream& o
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out << "ELLIPSE" << endl;
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out << 8 << endl; // Group code for layer name
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out << "sheet_layer" << endl; // Layer number
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out << "100" << endl;
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out << "AcDbEntity" << endl;
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out << "100" << endl;
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out << "AcDbEllipse" << endl;
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out << 10 << endl; // Centre X
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out << p.X() << endl; // X in WCS coordinates
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out << 20 << endl;
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@ -657,17 +671,14 @@ void DXFOutput::printBSpline(const BRepAdaptor_Curve& c, int id, std::ostream& o
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str << 0 << endl
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<< "SECTION" << endl
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<< 2 << endl
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<< "ENTITIES" << endl
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<< 0 << endl
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<< "SPLINE" << endl;
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//<< 8 << endl
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//<< 0 << endl
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//<< 66 << endl
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//<< 1 << endl
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//<< 0 << endl;
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str << 70 << endl
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<< "SPLINE" << endl
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<< 8 << endl // Group code for layer name
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<< "sheet_layer" << endl // Layer name
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<< "100" << endl
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<< "AcDbEntity" << endl
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<< "100" << endl
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<< "AcDbSpline" << endl
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<< 70 << endl
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<< spline->IsRational()*4 << endl //flags
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<< 71 << endl << spline->Degree() << endl
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<< 72 << endl << knotsequence.Length() << endl
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@ -711,6 +722,10 @@ void DXFOutput::printGeneric(const BRepAdaptor_Curve& c, int id, std::ostream& o
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out << "LINE" << endl;
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out << "8" << endl; // Group code for layer name
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out << "sheet_layer" << endl; // Layer name
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out << "100" << endl;
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out << "AcDbEntity" << endl;
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out << "100" << endl;
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out << "AcDbLine" << endl;
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out << "10" << endl; // Start point of line
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out << PS.X() << endl; // X in WCS coordinates
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out << "20" << endl;
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