Fix for internal buffers, looks like the geolib wasn't accepting the negative buffer size.
So now the internal buffers are generated in the same way as the external buffers and only the internal rings are returned Issue #280
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@ -3751,7 +3751,7 @@ class FlatCAMGeoEditor(QtCore.QObject):
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return
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return
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pre_buffer = cascaded_union([t.geo for t in selected])
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pre_buffer = cascaded_union([t.geo for t in selected])
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results = pre_buffer.buffer(-buf_distance + 1e-10, resolution=32, join_style=join_style)
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results = pre_buffer.buffer(buf_distance + 1e-10, resolution=32, join_style=join_style)
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if results.is_empty:
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if results.is_empty:
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self.app.inform.emit(_("[ERROR_NOTCL] Failed, the result is empty. Choose a smaller buffer value."))
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self.app.inform.emit(_("[ERROR_NOTCL] Failed, the result is empty. Choose a smaller buffer value."))
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@ -3761,9 +3761,9 @@ class FlatCAMGeoEditor(QtCore.QObject):
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return
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return
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if type(results) == MultiPolygon:
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if type(results) == MultiPolygon:
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for poly in results:
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for poly in results:
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self.add_shape(DrawToolShape(poly.exterior))
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self.add_shape(DrawToolShape(poly.interiors))
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else:
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else:
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self.add_shape(DrawToolShape(results.exterior))
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self.add_shape(DrawToolShape(results.interiors))
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self.replot()
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self.replot()
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self.app.inform.emit(_("[success] Interior buffer geometry created."))
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self.app.inform.emit(_("[success] Interior buffer geometry created."))
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