- Gerber Editor: added support for Gerber polarity change commands (LPD, LPC)
This commit is contained in:
Marius Stanciu
244
camlib.py
244
camlib.py
@@ -2169,6 +2169,10 @@ class Gerber (Geometry):
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# applying a union for every new polygon.
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poly_buffer = []
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# made True when the LPC command is encountered in Gerber parsing
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# it allows adding data into the clear_geometry key of the self.apertures[aperture] dict
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self.is_lpc = False
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# store here the follow geometry
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follow_buffer = []
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@@ -2243,19 +2247,26 @@ class Gerber (Geometry):
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if not geo.is_empty:
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follow_buffer.append(geo)
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try:
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self.apertures[current_aperture]['follow_geometry'].append(geo)
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self.apertures[last_path_aperture]['follow_geometry'].append(geo)
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except KeyError:
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self.apertures[current_aperture]['follow_geometry'] = []
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self.apertures[current_aperture]['follow_geometry'].append(geo)
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self.apertures[last_path_aperture]['follow_geometry'] = []
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self.apertures[last_path_aperture]['follow_geometry'].append(geo)
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geo = LineString(path).buffer(width / 1.999, int(self.steps_per_circle / 4))
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if not geo.is_empty:
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poly_buffer.append(geo)
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try:
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self.apertures[current_aperture]['solid_geometry'].append(geo)
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except KeyError:
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self.apertures[current_aperture]['solid_geometry'] = []
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self.apertures[current_aperture]['solid_geometry'].append(geo)
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if self.is_lpc is True:
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try:
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self.apertures[last_path_aperture]['clear_geometry'].append(geo)
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except KeyError:
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self.apertures[last_path_aperture]['clear_geometry'] = []
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self.apertures[last_path_aperture]['clear_geometry'].append(geo)
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else:
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try:
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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except KeyError:
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self.apertures[last_path_aperture]['solid_geometry'] = []
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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path = [path[-1]]
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@@ -2264,10 +2275,12 @@ class Gerber (Geometry):
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# TODO: Remove when bug fixed
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if len(poly_buffer) > 0:
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if current_polarity == 'D':
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self.is_lpc = True
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# self.follow_geometry = self.follow_geometry.union(cascaded_union(follow_buffer))
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self.solid_geometry = self.solid_geometry.union(cascaded_union(poly_buffer))
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else:
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self.is_lpc = False
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# self.follow_geometry = self.follow_geometry.difference(cascaded_union(follow_buffer))
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self.solid_geometry = self.solid_geometry.difference(cascaded_union(poly_buffer))
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@@ -2420,11 +2433,18 @@ class Gerber (Geometry):
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int(self.steps_per_circle))
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if not flash.is_empty:
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poly_buffer.append(flash)
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try:
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self.apertures[current_aperture]['solid_geometry'].append(flash)
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except KeyError:
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self.apertures[current_aperture]['solid_geometry'] = []
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self.apertures[current_aperture]['solid_geometry'].append(flash)
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if self.is_lpc is True:
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try:
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self.apertures[current_aperture]['clear_geometry'].append(flash)
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except KeyError:
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self.apertures[current_aperture]['clear_geometry'] = []
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self.apertures[current_aperture]['clear_geometry'].append(flash)
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else:
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try:
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self.apertures[current_aperture]['solid_geometry'].append(flash)
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except KeyError:
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self.apertures[current_aperture]['solid_geometry'] = []
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self.apertures[current_aperture]['solid_geometry'].append(flash)
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except IndexError:
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log.warning("Line %d: %s -> Nothing there to flash!" % (line_num, gline))
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@@ -2467,11 +2487,18 @@ class Gerber (Geometry):
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geo = LineString(path).buffer(width / 1.999, int(self.steps_per_circle / 4))
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if not geo.is_empty:
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poly_buffer.append(geo)
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try:
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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except KeyError:
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self.apertures[last_path_aperture]['solid_geometry'] = []
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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if self.is_lpc is True:
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try:
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self.apertures[last_path_aperture]['clear_geometry'].append(geo)
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except KeyError:
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self.apertures[last_path_aperture]['clear_geometry'] = []
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self.apertures[last_path_aperture]['clear_geometry'].append(geo)
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else:
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try:
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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except KeyError:
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self.apertures[last_path_aperture]['solid_geometry'] = []
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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path = [path[-1]]
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@@ -2497,11 +2524,18 @@ class Gerber (Geometry):
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geo = LineString(path).buffer(width/1.999, int(self.steps_per_circle / 4))
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if not geo.is_empty:
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poly_buffer.append(geo)
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try:
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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except KeyError:
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self.apertures[last_path_aperture]['solid_geometry'] = []
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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if self.is_lpc is True:
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try:
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self.apertures[last_path_aperture]['clear_geometry'].append(geo)
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except KeyError:
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self.apertures[last_path_aperture]['clear_geometry'] = []
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self.apertures[last_path_aperture]['clear_geometry'].append(geo)
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else:
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try:
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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except KeyError:
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self.apertures[last_path_aperture]['solid_geometry'] = []
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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path = [path[-1]]
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@@ -2525,11 +2559,18 @@ class Gerber (Geometry):
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self.apertures[current_aperture]['follow_geometry'].append(geo)
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poly_buffer.append(geo)
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try:
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self.apertures[current_aperture]['solid_geometry'].append(geo)
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except KeyError:
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self.apertures[current_aperture]['solid_geometry'] = []
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self.apertures[current_aperture]['solid_geometry'].append(geo)
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if self.is_lpc is True:
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try:
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self.apertures[current_aperture]['clear_geometry'].append(geo)
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except KeyError:
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self.apertures[current_aperture]['clear_geometry'] = []
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self.apertures[current_aperture]['clear_geometry'].append(geo)
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else:
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try:
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self.apertures[current_aperture]['solid_geometry'].append(geo)
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except KeyError:
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self.apertures[current_aperture]['solid_geometry'] = []
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self.apertures[current_aperture]['solid_geometry'].append(geo)
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continue
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# Only one path defines region?
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@@ -2578,11 +2619,18 @@ class Gerber (Geometry):
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self.apertures['0']['solid_geometry'] = []
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used_aperture = '0'
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try:
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self.apertures[used_aperture]['solid_geometry'].append(region)
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except KeyError:
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self.apertures[used_aperture]['solid_geometry'] = []
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self.apertures[used_aperture]['solid_geometry'].append(region)
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if self.is_lpc is True:
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try:
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self.apertures[used_aperture]['clear_geometry'].append(region)
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except KeyError:
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self.apertures[used_aperture]['clear_geometry'] = []
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self.apertures[used_aperture]['clear_geometry'].append(region)
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else:
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try:
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self.apertures[used_aperture]['solid_geometry'].append(region)
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except KeyError:
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self.apertures[used_aperture]['solid_geometry'] = []
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self.apertures[used_aperture]['solid_geometry'].append(region)
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path = [[current_x, current_y]] # Start new path
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continue
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@@ -2653,11 +2701,18 @@ class Gerber (Geometry):
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geo = shply_box(minx, miny, maxx, maxy)
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poly_buffer.append(geo)
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try:
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self.apertures[current_aperture]['solid_geometry'].append(geo)
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except KeyError:
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self.apertures[current_aperture]['solid_geometry'] = []
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self.apertures[current_aperture]['solid_geometry'].append(geo)
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if self.is_lpc is True:
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try:
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self.apertures[current_aperture]['clear_geometry'].append(geo)
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except KeyError:
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self.apertures[current_aperture]['clear_geometry'] = []
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self.apertures[current_aperture]['clear_geometry'].append(geo)
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else:
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try:
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self.apertures[current_aperture]['solid_geometry'].append(geo)
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except KeyError:
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self.apertures[current_aperture]['solid_geometry'] = []
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self.apertures[current_aperture]['solid_geometry'].append(geo)
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except:
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pass
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last_path_aperture = current_aperture
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@@ -2742,19 +2797,33 @@ class Gerber (Geometry):
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if self.apertures[last_path_aperture]["type"] != 'R':
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if not geo.is_empty:
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poly_buffer.append(geo)
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try:
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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except KeyError:
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self.apertures[last_path_aperture]['solid_geometry'] = []
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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if self.is_lpc is True:
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try:
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self.apertures[last_path_aperture]['clear_geometry'].append(geo)
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except KeyError:
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self.apertures[last_path_aperture]['clear_geometry'] = []
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self.apertures[last_path_aperture]['clear_geometry'].append(geo)
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else:
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try:
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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except KeyError:
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self.apertures[last_path_aperture]['solid_geometry'] = []
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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except Exception as e:
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log.debug("camlib.Gerber.parse_lines() --> %s" % str(e))
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poly_buffer.append(geo)
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try:
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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except KeyError:
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self.apertures[last_path_aperture]['solid_geometry'] = []
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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if self.is_lpc is True:
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try:
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self.apertures[last_path_aperture]['clear_geometry'].append(geo)
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except KeyError:
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self.apertures[last_path_aperture]['clear_geometry'] = []
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self.apertures[last_path_aperture]['clear_geometry'].append(geo)
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else:
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try:
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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except KeyError:
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self.apertures[last_path_aperture]['solid_geometry'] = []
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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# if linear_x or linear_y are None, ignore those
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if linear_x is not None and linear_y is not None:
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@@ -2797,18 +2866,32 @@ class Gerber (Geometry):
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try:
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if self.apertures[last_path_aperture]["type"] != 'R':
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poly_buffer.append(geo)
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if self.is_lpc is True:
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try:
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self.apertures[last_path_aperture]['clear_geometry'].append(geo)
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except KeyError:
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self.apertures[last_path_aperture]['clear_geometry'] = []
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self.apertures[last_path_aperture]['clear_geometry'].append(geo)
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else:
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try:
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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except KeyError:
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self.apertures[last_path_aperture]['solid_geometry'] = []
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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except:
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poly_buffer.append(geo)
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if self.is_lpc is True:
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try:
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self.apertures[last_path_aperture]['clear_geometry'].append(geo)
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except KeyError:
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self.apertures[last_path_aperture]['clear_geometry'] = []
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self.apertures[last_path_aperture]['clear_geometry'].append(geo)
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else:
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try:
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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except KeyError:
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self.apertures[last_path_aperture]['solid_geometry'] = []
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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except:
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poly_buffer.append(geo)
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try:
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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except KeyError:
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self.apertures[last_path_aperture]['solid_geometry'] = []
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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# Reset path starting point
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path = [[linear_x, linear_y]]
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@@ -2832,11 +2915,18 @@ class Gerber (Geometry):
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)
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if not flash.is_empty:
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poly_buffer.append(flash)
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try:
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self.apertures[current_aperture]['solid_geometry'].append(flash)
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except KeyError:
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self.apertures[current_aperture]['solid_geometry'] = []
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self.apertures[current_aperture]['solid_geometry'].append(flash)
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if self.is_lpc is True:
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try:
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self.apertures[current_aperture]['clear_geometry'].append(flash)
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except KeyError:
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self.apertures[current_aperture]['clear_geometry'] = []
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self.apertures[current_aperture]['clear_geometry'].append(flash)
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else:
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try:
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self.apertures[current_aperture]['solid_geometry'].append(flash)
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except KeyError:
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self.apertures[current_aperture]['solid_geometry'] = []
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self.apertures[current_aperture]['solid_geometry'].append(flash)
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# maybe those lines are not exactly needed but it is easier to read the program as those coordinates
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# are used in case that circular interpolation is encountered within the Gerber file
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@@ -2931,11 +3021,18 @@ class Gerber (Geometry):
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buffered = LineString(path).buffer(width / 1.999, int(self.steps_per_circle))
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if not buffered.is_empty:
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poly_buffer.append(buffered)
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try:
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self.apertures[last_path_aperture]['solid_geometry'].append(buffered)
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except KeyError:
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self.apertures[last_path_aperture]['solid_geometry'] = []
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self.apertures[last_path_aperture]['solid_geometry'].append(buffered)
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if self.is_lpc is True:
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try:
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self.apertures[last_path_aperture]['clear_geometry'].append(buffered)
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except KeyError:
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self.apertures[last_path_aperture]['clear_geometry'] = []
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self.apertures[last_path_aperture]['clear_geometry'].append(buffered)
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else:
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try:
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self.apertures[last_path_aperture]['solid_geometry'].append(buffered)
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except KeyError:
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self.apertures[last_path_aperture]['solid_geometry'] = []
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self.apertures[last_path_aperture]['solid_geometry'].append(buffered)
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current_x = circular_x
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current_y = circular_y
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@@ -3068,11 +3165,18 @@ class Gerber (Geometry):
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geo = LineString(path).buffer(width / 1.999, int(self.steps_per_circle / 4))
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if not geo.is_empty:
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poly_buffer.append(geo)
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try:
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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except KeyError:
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self.apertures[last_path_aperture]['solid_geometry'] = []
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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if self.is_lpc is True:
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try:
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self.apertures[last_path_aperture]['clear_geometry'].append(geo)
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except KeyError:
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self.apertures[last_path_aperture]['clear_geometry'] = []
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self.apertures[last_path_aperture]['clear_geometry'].append(geo)
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else:
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try:
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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except KeyError:
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self.apertures[last_path_aperture]['solid_geometry'] = []
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self.apertures[last_path_aperture]['solid_geometry'].append(geo)
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# --- Apply buffer ---
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