+ unify DLL export defines to namespace names

git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5000 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d

src/Mod/Sketcher/SketcherExample.py

@@ -0,0 +1,35 @@
+# Example hwo to use the basic sketcher tools
+from Sketcher import *
+from Part import *
+from FreeCAD import *
+
+# set some constances for the constraints
+StartPoint = 1
+EndPoint = 2
+MiddlePoint = 3
+
+# create a document and a Sketch object
+if(App.activeDocument() == None):App.newDocument()
+
+f = App.activeDocument().addObject("Sketcher::SketchObject","Sketch")
+
+# add geometry to the sketch
+f.Geometry = [Line(Vector(0,0,0),Vector(2,20,0)),Line(Vector(0,0,0),Vector(20,2,0))]
+
+# add constraints to the sketch
+f.Constraints = [Constraint('Vertical',0),Constraint('Horizontal',1)]
+
+# recompute (solving) the sketch
+App.activeDocument().recompute()
+
+# add another constraint to tie the start points together
+l = f.Constraints
+l.append(Constraint('Coincident',0,StartPoint,1,StartPoint))
+f.Constraints = l
+
+# again recompute
+App.activeDocument().recompute()
+
+f.Geometry
+
+