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- modified the bounding box utility feature in the Gerber Object UI to work with negative margin values

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This commit is contained in:
Marius Stanciu
2022-01-26 13:49:48 +02:00
committed by Marius
parent b69738d852
commit 805cf75e85
2 changed files with 25 additions and 9 deletions
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31
appObjects/FlatCAMGerber.py
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@@ -482,16 +482,31 @@ class GerberObject(FlatCAMObj, Gerber):
except Exception:
self.solid_geometry = unary_union(self.solid_geometry)
distance = float(self.options["bboxmargin"])
# Bounding box with rounded corners
if isinstance(self.solid_geometry, Polygon):
bounding_box = self.solid_geometry.buffer(float(self.options["bboxmargin"])).exterior
elif isinstance(self.solid_geometry, MultiPolygon):
try:
bounding_box = self.solid_geometry.buffer(float(self.options["bboxmargin"])).exterior
except Exception:
bounding_box = self.solid_geometry.envelope.buffer(float(self.options["bboxmargin"]))
if distance >= 0:
if isinstance(self.solid_geometry, Polygon):
bounding_box = self.solid_geometry.buffer(distance).exterior
elif isinstance(self.solid_geometry, MultiPolygon):
try:
bounding_box = self.solid_geometry.buffer(distance).exterior
except Exception:
bounding_box = self.solid_geometry.envelope.buffer(distance)
else:
bounding_box = self.solid_geometry.envelope.buffer(distance)
else:
bounding_box = self.solid_geometry.envelope.buffer(float(self.options["bboxmargin"]))
if isinstance(self.solid_geometry, Polygon):
bounding_box = self.solid_geometry.buffer(abs(distance*2)).interiors
elif isinstance(self.solid_geometry, MultiPolygon):
try:
bounding_box = self.solid_geometry.buffer(abs(distance*2)).interiors
except Exception:
bounding_box = self.solid_geometry.envelope.buffer(abs(distance*2)).interiors
else:
bounding_box = self.solid_geometry.envelope.buffer(abs(distance*2)).interiors
bounding_box = unary_union(bounding_box).buffer(-distance).exterior
if not self.options["bboxrounded"]: # Remove rounded corners
bounding_box = bounding_box.envelope