def execute(self, obj):
import Part
import TechDraw
if not obj.Base:
return
if not obj.File:
return
if not obj.Pattern:
return
if not obj.Scale:
return
if not obj.Pattern in self.getPatterns(obj.File):
return
if not obj.Base.isDerivedFrom("Part::Feature"):
return
if not obj.Base.Shape.Faces:
return
pla = obj.Placement
shapes = []
for face in obj.Base.Shape.Faces:
face = face.copy()
if obj.Translate:
bpoint = face.CenterOfMass
norm = face.normalAt(0, 0)
fpla = FreeCAD.Placement(
bpoint, FreeCAD.Rotation(FreeCAD.Vector(0, 0, 1), norm))
face.Placement = face.Placement.multiply(fpla.inverse())
if obj.Rotation:
face.rotate(FreeCAD.Vector(), FreeCAD.Vector(0, 0, 1),
obj.Rotation)
shape = TechDraw.makeGeomHatch(face, obj.Scale, obj.Pattern,
obj.File)
if obj.Rotation:
shape.rotate(FreeCAD.Vector(), FreeCAD.Vector(0, 0, 1),
-obj.Rotation)
if obj.Translate:
shape.Placement = shape.Placement.multiply(fpla)
shapes.append(shape)
if shapes:
obj.Shape = Part.makeCompound(shapes)
obj.Placement = pla
def execute(self, obj):
import Part
import TechDraw
if not obj.Base:
return
if not obj.File:
return
if not obj.Pattern:
return
if not obj.Scale:
return
if not obj.Pattern in self.getPatterns(obj.File):
return
if not obj.Base.isDerivedFrom("Part::Feature"):
return
if not obj.Base.Shape.Faces:
return
shapes = []
for face in obj.Base.Shape.Faces:
if face.findPlane(): # Only planar faces.
face = face.copy()
if obj.Translate:
mtx = None
w = face.normalAt(0, 0)
# Try to base a matrix on the first straight edge with
# a reasonable length (> 0.001):
for e in face.Edges:
if geomType(e) == "Line":
sta = e.firstVertex().Point
end = e.lastVertex().Point
u = end.sub(sta)
if u.Length > 0.001:
u = u.normalize()
v = w.cross(u)
mtx = App.Matrix(u.x, v.x, w.x, sta.x, u.y,
v.y, w.y, sta.y, u.z, v.z,
w.z, sta.z, 0.0, 0.0, 0.0,
1.0)
break
# If no suitable straight edge was found use a default matrix:
if not mtx:
cen = face.CenterOfMass
rot = App.Rotation(App.Vector(0, 0, 1), w)
mtx = App.Placement(cen, rot).Matrix
face = face.transformGeometry(mtx.inverse()).Faces[0]
if obj.Rotation.Value:
face.rotate(App.Vector(), App.Vector(0, 0, 1),
-obj.Rotation)
shape = TechDraw.makeGeomHatch(face, obj.Scale, obj.Pattern,
obj.File)
if obj.Rotation.Value:
shape.rotate(App.Vector(), App.Vector(0, 0, 1),
obj.Rotation)
if obj.Translate:
shape = shape.transformGeometry(mtx)
shapes.append(shape)
if shapes:
obj.Shape = Part.makeCompound(shapes)
