Draft: implemented dxf export of techdraw pages
This commit is contained in:
Yorik van Havre
parent
6f4f92019a
commit
945d99f982
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@ -75,6 +75,50 @@ def makeSectionView(section,name="View"):
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return view
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def getCutShapes(objs,section,showHidden):
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import Part,DraftGeomUtils
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shapes = []
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hshapes = []
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sshapes = []
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for o in objs:
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if o.isDerivedFrom("Part::Feature"):
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if o.Shape.isNull():
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pass
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elif section.OnlySolids:
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if o.Shape.isValid():
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shapes.extend(o.Shape.Solids)
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else:
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print section.Label,": Skipping invalid object:",o.Label
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else:
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shapes.append(o.Shape)
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cutface,cutvolume,invcutvolume = ArchCommands.getCutVolume(section.Shape.copy(),shapes)
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if cutvolume:
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nsh = []
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for sh in shapes:
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for sol in sh.Solids:
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if sol.Volume < 0:
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sol.reverse()
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c = sol.cut(cutvolume)
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s = sol.section(cutface)
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try:
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wires = DraftGeomUtils.findWires(s.Edges)
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for w in wires:
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f = Part.Face(w)
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sshapes.append(f)
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#s = Part.Wire(s.Edges)
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#s = Part.Face(s)
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except Part.OCCError:
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#print "ArchDrawingView: unable to get a face"
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sshapes.append(s)
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nsh.extend(c.Solids)
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#sshapes.append(s)
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if showHidden:
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c = sol.cut(invcutvolume)
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hshapes.append(c)
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shapes = nsh
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return shapes,hshapes,sshapes,cutface,cutvolume,invcutvolume
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def getSVG(section,allOn=False,renderMode="Wireframe",showHidden=False,showFill=False,scale=1,linewidth=1,fontsize=1,techdraw=False,rotation=0):
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"""getSVG(section,[allOn,renderMode,showHidden,showFill,scale,linewidth,fontsize]) :
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returns an SVG fragment from an Arch section plane. If
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@ -140,45 +184,7 @@ def getSVG(section,allOn=False,renderMode="Wireframe",showHidden=False,showFill=
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else:
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# render using the Drawing module
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import Drawing, Part
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shapes = []
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hshapes = []
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sshapes = []
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for o in objs:
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if o.isDerivedFrom("Part::Feature"):
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if o.Shape.isNull():
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pass
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elif o.Shape.isValid():
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if section.OnlySolids:
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shapes.extend(o.Shape.Solids)
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else:
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shapes.append(o.Shape)
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else:
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print section.Label,": Skipping invalid object:",o.Label
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cutface,cutvolume,invcutvolume = ArchCommands.getCutVolume(section.Shape.copy(),shapes)
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if cutvolume:
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nsh = []
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for sh in shapes:
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for sol in sh.Solids:
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if sol.Volume < 0:
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sol.reverse()
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c = sol.cut(cutvolume)
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s = sol.section(cutface)
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try:
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wires = DraftGeomUtils.findWires(s.Edges)
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for w in wires:
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f = Part.Face(w)
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sshapes.append(f)
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#s = Part.Wire(s.Edges)
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#s = Part.Face(s)
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except Part.OCCError:
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#print "ArchDrawingView: unable to get a face"
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sshapes.append(s)
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nsh.extend(c.Solids)
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#sshapes.append(s)
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if showHidden:
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c = sol.cut(invcutvolume)
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hshapes.append(c)
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shapes = nsh
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shapes,hshapes,sshapes,cutface,cutvolume,invcutvolume = getCutShapes(objs,section,showHidden)
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if shapes:
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baseshape = Part.makeCompound(shapes)
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svgf = Drawing.projectToSVG(baseshape,direction)
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@ -255,11 +261,12 @@ def getSVG(section,allOn=False,renderMode="Wireframe",showHidden=False,showFill=
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c = Part.makeCompound(w.Proxy.sshapes)
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c.Placement = w.Placement
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sh.append(c)
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if hasattr(w.Proxy,"vshapes"):
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if w.Proxy.vshapes:
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c = Part.makeCompound(w.Proxy.vshapes)
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c.Placement = w.Placement
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sh.append(c)
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# buggy for now...
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#if hasattr(w.Proxy,"vshapes"):
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# if w.Proxy.vshapes:
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# c = Part.makeCompound(w.Proxy.vshapes)
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# c.Placement = w.Placement
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# sh.append(c)
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if sh:
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if not techdraw:
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svg += '<g transform="scale(1,-1)">'
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@ -272,6 +279,45 @@ def getSVG(section,allOn=False,renderMode="Wireframe",showHidden=False,showFill=
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return svg
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def getDXF(obj):
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"returns a DXF representation from a TechDraw/Drawing view"
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allOn = True
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if hasattr(obj,"AllOn"):
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allOn = obj.AllOn
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elif hasattr(obj,"AlwaysOn"):
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allOn = obj.AlwaysOn
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showHidden = False
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if hasattr(obj,"showCut"):
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showHidden = obj.showCut
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elif hasattr(obj,"showHidden"):
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showHidden = obj.showHidden
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result = []
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import Drawing,Part
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if not obj.Source:
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return result
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section = obj.Source
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if not section.Objects:
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return result
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p = FreeCAD.Placement(section.Placement)
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direction = p.Rotation.multVec(FreeCAD.Vector(0,0,1))
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objs = Draft.getGroupContents(section.Objects,walls=True,addgroups=True)
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if not allOn:
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objs = Draft.removeHidden(objs)
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# separate spaces and Draft objects
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spaces = []
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nonspaces = []
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drafts = []
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objs = [o for o in objs if ((not(Draft.getType(o) in ["Space","Dimension","Annotation"])) and (not (o.isDerivedFrom("Part::Part2DObject"))))]
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shapes,hshapes,sshapes,cutface,cutvolume,invcutvolume = getCutShapes(objs,section,showHidden)
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if shapes:
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result.append(Drawing.projectToDXF(Part.makeCompound(shapes),direction))
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if sshapes:
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result.append(Drawing.projectToDXF(Part.makeCompound(sshapes),direction))
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if hshapes:
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result.append(Drawing.projectToDXF(Part.makeCompound(hshapes),direction))
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return result
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class _CommandSectionPlane:
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"the Arch SectionPlane command definition"
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def GetResources(self):
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@ -1671,6 +1671,13 @@ def getDXF(obj,direction=None):
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object. If direction is given, the object is projected in 2D.'''
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plane = None
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result = ""
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if obj.isDerivedFrom("Drawing::View") or obj.isDerivedFrom("TechDraw::DrawView"):
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if obj.Source.isDerivedFrom("App::DocumentObjectGroup"):
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for o in obj.Source.Group:
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result += getDXF(o,obj.Direction)
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else:
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result += getDXF(obj.Source,obj.Direction)
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return result
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if direction:
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if isinstance(direction,FreeCAD.Vector):
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if direction != Vector(0,0,0):
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@ -1846,52 +1853,57 @@ def getSVG(obj,scale=1,linewidth=0.35,fontsize=12,fillstyle="shape color",direct
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isellipse = DraftGeomUtils.geomType(e) == "Ellipse"
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if iscircle or isellipse:
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import math
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c = e.Curve
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if len(e.Vertexes) == 1 and iscircle: #complete curve
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svg = getCircle(e)
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return svg
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elif len(e.Vertexes) == 1 and isellipse:
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#svg = getEllipse(e)
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#return svg
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endpoints = (getProj(c.value((c.LastParameter-\
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c.FirstParameter)/2.0)), \
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getProj(vs[-1].Point))
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else:
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endpoints = (getProj(vs[-1].Point),)
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# arc
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if iscircle:
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rx = ry = c.Radius
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rot = 0
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else: #ellipse
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rx = c.MajorRadius
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ry = c.MinorRadius
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rot = math.degrees(c.AngleXU * (c.Axis * \
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FreeCAD.Vector(0,0,1)))
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if rot > 90:
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rot -=180
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if rot < -90:
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rot += 180
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#be carefull with the sweep flag
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if hasattr(FreeCAD,"DraftWorkingPlane"):
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drawing_plane_normal = FreeCAD.DraftWorkingPlane.axis
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else:
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drawing_plane_normal = FreeCAD.Vector(0,0,1)
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if plane: drawing_plane_normal = plane.axis
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flag_large_arc = (((e.ParameterRange[1] - \
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e.ParameterRange[0]) / math.pi) % 2) > 1
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#flag_sweep = (c.Axis * drawing_plane_normal >= 0) \
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# == (e.LastParameter > e.FirstParameter)
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# == (e.Orientation == "Forward")
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# other method: check the direction of the angle between tangents
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t1 = e.tangentAt(e.FirstParameter)
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t2 = e.tangentAt(e.FirstParameter + (e.LastParameter-e.FirstParameter)/10)
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flag_sweep = (DraftVecUtils.angle(t1,t2,drawing_plane_normal) < 0)
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for v in endpoints:
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edata += 'A %s %s %s %s %s %s %s ' % \
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(str(rx),str(ry),str(rot),\
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str(int(flag_large_arc)),\
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str(int(flag_sweep)),str(v.x),str(v.y))
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c = e.Curve
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if round(c.Axis.getAngle(drawing_plane_normal),2) == 1.57:
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# arc is perpendicular to view direction: represent as a line
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v = getProj(vs[-1].Point)
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edata += 'L '+ str(v.x) +' '+ str(v.y) + ' '
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else:
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if len(e.Vertexes) == 1 and iscircle: #complete curve
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svg = getCircle(e)
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return svg
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elif len(e.Vertexes) == 1 and isellipse:
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#svg = getEllipse(e)
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#return svg
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endpoints = (getProj(c.value((c.LastParameter-\
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c.FirstParameter)/2.0)), \
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getProj(vs[-1].Point))
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else:
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endpoints = (getProj(vs[-1].Point),)
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# arc
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if iscircle:
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rx = ry = c.Radius
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rot = 0
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else: #ellipse
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rx = c.MajorRadius
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ry = c.MinorRadius
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rot = math.degrees(c.AngleXU * (c.Axis * \
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FreeCAD.Vector(0,0,1)))
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if rot > 90:
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rot -=180
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if rot < -90:
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rot += 180
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#be carefull with the sweep flag
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flag_large_arc = (((e.ParameterRange[1] - \
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e.ParameterRange[0]) / math.pi) % 2) > 1
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#flag_sweep = (c.Axis * drawing_plane_normal >= 0) \
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# == (e.LastParameter > e.FirstParameter)
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# == (e.Orientation == "Forward")
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# other method: check the direction of the angle between tangents
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t1 = e.tangentAt(e.FirstParameter)
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t2 = e.tangentAt(e.FirstParameter + (e.LastParameter-e.FirstParameter)/10)
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flag_sweep = (DraftVecUtils.angle(t1,t2,drawing_plane_normal) < 0)
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for v in endpoints:
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edata += 'A %s %s %s %s %s %s %s ' % \
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(str(rx),str(ry),str(rot),\
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str(int(flag_large_arc)),\
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str(int(flag_sweep)),str(v.x),str(v.y))
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elif DraftGeomUtils.geomType(e) == "Line":
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v = getProj(vs[-1].Point)
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edata += 'L '+ str(v.x) +' '+ str(v.y) + ' '
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@ -4773,14 +4785,7 @@ class _DrawingView(_DraftObject):
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def getDXF(self,obj):
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"returns a DXF fragment"
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result = ""
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if obj.Source.isDerivedFrom("App::DocumentObjectGroup"):
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for o in obj.Source.Group:
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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(obj.Source,obj.Direction)
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return result
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return getDXF(obj)
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class _BSpline(_DraftObject):
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"The BSpline object"
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@ -1813,6 +1813,10 @@ def export(objectslist,filename,nospline=False,lwPoly=False):
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# page: special hack-export! (see below)
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exportPage(exportList[0],filename)
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elif (len(exportList) == 1) and (exportList[0].isDerivedFrom("TechDraw::DrawPage")):
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# page: special hack-export! (see below)
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exportPage(exportList[0],filename)
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else:
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# other cases, treat edges
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dxf = dxfLibrary.Drawing()
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@ -1900,7 +1904,12 @@ class dxfcounter:
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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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if hasattr(page.Template,"Template"): #techdraw
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template="" # not supported for now...
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views = page.Views
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else: #drawing
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template = os.path.splitext(page.Template)[0]+".dxf"
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views = page.Group
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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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@ -1930,7 +1939,7 @@ def exportPage(page,filename):
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# at the moment this is not used. TODO: if r12, do not print ellipses or splines
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if ver[0].upper() in ["AC1009","AC1010","AC1011","AC1012","AC1013"]:
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r12 = True
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for view in page.Group:
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for view in views:
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b,e = getViewDXF(view)
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blocks += b
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entities += e
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@ -1945,6 +1954,28 @@ def exportPage(page,filename):
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f.write(template)
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f.close()
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def getBlock(geom,view,blockcount):
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insert = ""
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block = ""
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r = view.Rotation
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if r != 0: r = -r # fix rotation direction
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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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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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return block,insert,blockcount
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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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@ -1960,26 +1991,17 @@ def getViewDXF(view,blocks=True):
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elif view.isDerivedFrom("Drawing::FeatureViewPython"):
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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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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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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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block,insert,blockcount = getBlock(geom,view,blockcount)
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elif view.isDerivedFrom("TechDraw::DrawViewDraft"):
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geom = Draft.getDXF(view)
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block,insert,blockcount = getBlock(geom,view,blockcount)
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elif view.isDerivedFrom("TechDraw::DrawViewArch"):
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import ArchSectionPlane
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geom = ArchSectionPlane.getDXF(view)
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block,insert,blockcount = getBlock(geom,view,blockcount)
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elif view.isDerivedFrom("Drawing::FeatureViewPart"):
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r = view.Rotation
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@ -2022,6 +2044,7 @@ def exportPageLegacy(page,filename):
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export(tempobj,filename,nospline=True,lwPoly=False)
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FreeCAD.closeDocument(tempdoc.Name)
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def readPreferences():
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# reading parameters
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p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Draft")
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||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user