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# exampel how to use the scripting API of the drawing module
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# first of all you need the Part and the Drawing module:
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import FreeCAD, Part, Drawing
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# create a small sample part
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Part.show(Part.makeBox(100,100,100).cut(Part.makeCylinder(80,100)).cut(Part.makeBox(90,40,100)).cut(Part.makeBox(20,85,100)))
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# direct projection. The G0 means hard edge, the G1 is tangend continues.
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Shape = App.ActiveDocument.Shape.Shape
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[visiblyG0,visiblyG1,hiddenG0,hiddenG1] = Drawing.project(Shape)
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print "visible edges:", len(visiblyG0.Edges)
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print "hidden edges:", len(hiddenG0.Edges)
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# all was projected on the Z-plane:
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print "Bnd Box shape: X=",Shape.BoundBox.XLength," Y=",Shape.BoundBox.YLength," Z=",Shape.BoundBox.ZLength
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print "Bnd Box project: X=",visiblyG0.BoundBox.XLength," Y=",visiblyG0.BoundBox.YLength," Z=",visiblyG0.BoundBox.ZLength
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# different projection vector
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[visiblyG0,visiblyG1,hiddenG0,hiddenG1] = Drawing.project(Shape,Base.Vector(1,1,1))
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resultSVG = Drawing.projectToSVG(Shape,App.Vector(1,1,1))
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# And now the parametric way
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# insert a Page object and assign a template
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App.activeDocument().addObject('Drawing::FeaturePage','Page')
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App.activeDocument().Page.Template = App.ConfigGet('AppHomePath')+'Mod/Drawing/Templates/A3_Landscape.svg'
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# create a view on the "Shape" object, define the position and scale and assign it to a Page
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App.activeDocument().addObject('Drawing::FeatureViewPart','View')
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App.activeDocument().View.Source = App.activeDocument().Shape
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App.activeDocument().View.Direction = (0.0,0.0,1.0)
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App.activeDocument().View.X = 10.0
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App.activeDocument().View.Y = 10.0
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App.activeDocument().Page.addObject(App.activeDocument().View)
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# create a second view on the same object but the view is
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App.activeDocument().addObject('Drawing::FeatureViewPart','ViewRot')
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App.activeDocument().ViewRot.Source = App.activeDocument().Shape
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App.activeDocument().ViewRot.Direction = (0.0,0.0,1.0)
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App.activeDocument().ViewRot.X = 290.0
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App.activeDocument().ViewRot.Y = 30.0
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App.activeDocument().ViewRot.Scale = 1.0
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App.activeDocument().ViewRot.Rotation = 90.0
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App.activeDocument().Page.addObject(App.activeDocument().ViewRot)
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# create a third view on the same object but with an isometric
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# view direction. Also the hidden lines are activated.
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App.activeDocument().addObject('Drawing::FeatureViewPart','ViewIso')
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App.activeDocument().ViewIso.Source = App.activeDocument().Shape
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App.activeDocument().ViewIso.Direction = (1.0,1.0,1.0)
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App.activeDocument().ViewIso.X = 335.0
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App.activeDocument().ViewIso.Y = 140.0
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App.activeDocument().ViewIso.ShowHiddenLines = True
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App.activeDocument().Page.addObject(App.activeDocument().ViewIso)
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# change something and update.
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# The update process change the view and the page
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App.activeDocument().View.X = 30.0
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App.activeDocument().View.Y = 30.0
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App.activeDocument().View.Scale = 1.5
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App.activeDocument().recompute()
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# Accessing the bits and peaces:
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# get the SVG fragment of a single view
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ViewSVG = App.activeDocument().View.ViewResult
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# get the hole result page (its a file in the document temp dir, only read allowed)
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print "Resulting SVG document: ",App.activeDocument().Page.PageResult
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file = open(App.activeDocument().Page.PageResult,"r")
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print "Result page is ",len(file.readlines())," lines long"
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# important, give free the file!
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# insert a view with your own content:
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App.activeDocument().addObject('Drawing::FeatureView','ViewSelf')
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App.activeDocument().ViewSelf.ViewResult = """<g id="ViewSelf"
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stroke-linejoin="miter"
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transform="translate(30,30)"
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<ellipse cx="40" cy="40" rx="30" ry="15"/>
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App.activeDocument().Page.addObject(App.activeDocument().ViewSelf)
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App.activeDocument().recompute()
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del Shape,ViewSVG, resultSVG
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src/Mod/Drawing/DrawingExample.py
