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- fixed cutting from copper features when doing Gerber isolation with multiple passes

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This commit is contained in:
Marius Stanciu
2019-01-07 21:38:34 +02:00
committed by Marius S
parent 7e002dfc9f
commit ddf4884051
3 changed files with 27 additions and 11 deletions
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11
FlatCAMObj.py
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@@ -604,6 +604,7 @@ class FlatCAMGerber(FlatCAMObj, Gerber):
geom = self.isolation_geometry(offset, iso_type=envelope_iso_type)
except Exception as e:
log.debug(str(e))
return 'fail'
if invert:
try:
@@ -614,8 +615,10 @@ class FlatCAMGerber(FlatCAMObj, Gerber):
geom = MultiPolygon(pl)
elif type(geom) is Polygon:
geom = Polygon(geom.exterior.coords[::-1], geom.interiors)
else:
log.debug("FlatCAMGerber.isolate().generate_envelope() Error --> Unexpected Geometry")
except Exception as e:
s = str("Unexpected Geometry")
log.debug("FlatCAMGerber.isolate().generate_envelope() Error --> %s" % str(e))
return geom
if combine:
@@ -633,14 +636,14 @@ class FlatCAMGerber(FlatCAMObj, Gerber):
geo_obj.options["cnctooldia"] = self.options["isotooldia"]
geo_obj.solid_geometry = []
for i in range(passes):
offset = (((2 * i + 1) / 2.0) * dia) - (i * overlap * dia)
iso_offset = (((2 * i + 1) / 2.0) * dia) - (i * overlap * dia)
# if milling type is climb then the move is counter-clockwise around features
if milling_type == 'cl':
# geom = generate_envelope (offset, i == 0)
geom = generate_envelope(offset, 1, envelope_iso_type=self.iso_type)
geom = generate_envelope(iso_offset, 1, envelope_iso_type=self.iso_type)
else:
geom = generate_envelope(offset, 0, envelope_iso_type=self.iso_type)
geom = generate_envelope(iso_offset, 0, envelope_iso_type=self.iso_type)
geo_obj.solid_geometry.append(geom)
# detect if solid_geometry is empty and this require list flattening which is "heavy"