def make_outline(self, fp):
self.updating = True
if fp.Method == 'normal':
outline = fp.Part.Shape.makeOffsetShape(fp.BeamWidth / 2, 1e-7)
elif fp.Method == '2D':
outline = fp.Part.Shape.makeOffset2D(fp.BeamWidth / 2)
fp.Normal = self.getNormal(fp.Part)
elif fp.Method == '3D':
outline = fp.Part.Shape.makeOffsetShape(fp.BeamWidth / 2, 1e-7)
fp.Normal = self.getNormal(fp.Part)
else:
face = self.get_biggest_face(fp.Part)
if face:
outline = face.makeOffset2D(fp.BeamWidth / 2)
fp.Normal = face.normalAt(0, 0)
elif fp.Method == 'auto':
try:
outline = fp.Part.Shape.makeOffset2D(fp.BeamWidth / 2)
except Exception as ex:
outline = fp.Part.Shape.makeOffsetShape(fp.BeamWidth / 2, 1e-7)
fp.Normal = self.getNormal(fp.Part)
fp.Shape = Part.Compound(outline.Wires);
fp.Label = fp.Part.Label + ' offset'
fp.Placement = outline.Placement
if fp.Placement.Rotation.Axis.z < 0:
fp.Placement.Rotation.Axis = fp.Placement.Rotation.Axis * -1
if fp.Method != 'normal':
if fp.Normal.z < 0:
fp.Normal = fp.Normal * -1
rotation_to_apply = Rotation(fp.Normal, Vector(0, 0, 1))
new_rotation = rotation_to_apply.multiply(fp.Placement.Rotation)
fp.Placement.Rotation = new_rotation
self.rotate_biggest_side_up(fp)
self.updating = False
def rotate_biggest_side_up(self, fp):
bbox = fp.Shape.optimalBoundingBox()
xmin = bbox.XLength
angle = 0.0
r = fp.Placement.Rotation
r_best = r
step = 180 / 16
while angle + step < 180:
angle = angle + step
rotation_to_apply = Rotation()
rotation_to_apply.Axis = Vector(0, 0, 1)
rotation_to_apply.Angle = math.radians(angle)
fp.Placement.Rotation = rotation_to_apply.multiply(r)
bbox = fp.Shape.optimalBoundingBox()
if xmin > bbox.XLength:
xmin = bbox.XLength
r_best = fp.Placement.Rotation
fp.Placement.Rotation = r_best