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- rewrited the Gerber Parser in camlib - success

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- moved the self.apertures[aperture]['geometry'] processing for clear_geometry (geometry made with Gerber LPC command) in Gerber Editor
This commit is contained in:
Marius Stanciu
2019-05-15 00:27:43 +03:00
parent 784865518f
commit 3e3c8ae703
3 changed files with 440 additions and 302 deletions
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616
camlib.py
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@@ -2175,8 +2175,11 @@ class Gerber (Geometry):
# store the file units here:
gerber_units = 'IN'
# this is for temporary storage of geometry until it is added to poly_buffer
geo = None
# this is for temporary storage of solid geometry until it is added to poly_buffer
geo_s = None
# this is for temporary storage of follow geometry until it is added to follow_buffer
geo_f = None
# Polygons are stored here until there is a change in polarity.
# Only then they are combined via cascaded_union and added or
@@ -2204,6 +2207,8 @@ class Gerber (Geometry):
previous_x = None
previous_y = None
current_d = None
# Absolute or Relative/Incremental coordinates
# Not implemented
absolute = True
@@ -2226,20 +2231,21 @@ class Gerber (Geometry):
try:
for gline in glines:
line_num += 1
self.source_file += gline + '\n'
### Cleanup
# Cleanup #
gline = gline.strip(' \r\n')
# log.debug("Line=%3s %s" % (line_num, gline))
#### Ignored lines
## Comments
# ###############################################################
# Ignored lines #
# Comments ######
# ###############################################################
match = self.comm_re.search(gline)
if match:
continue
### Polarity change
# Polarity change ########
# Example: %LPD*% or %LPC*%
# If polarity changes, creates geometry from current
# buffer, then adds or subtracts accordingly.
@@ -2248,30 +2254,31 @@ class Gerber (Geometry):
new_polarity = match.group(1)
# log.info("Polarity CHANGE, LPC = %s, poly_buff = %s" % (self.is_lpc, poly_buffer))
self.is_lpc = True if new_polarity == 'C' else False
if len(path) > 1 and current_polarity != new_polarity:
# finish the current path and add it to the storage
# --- Buffered ----
width = self.apertures[last_path_aperture]["size"]
geo_f = LineString(path)
geo_s = LineString(path).buffer(width / 1.999, int(self.steps_per_circle / 4))
follow_buffer.append(geo_f)
poly_buffer.append(geo_s)
geo_dict = dict()
geo_dict['follow'] = geo_f
if self.is_lpc:
geo_dict['clear'] = geo_s
else:
geo_dict['solid'] = geo_s
try:
self.apertures[last_path_aperture]['geometry'].append(geo_dict)
except KeyError:
geo_f = LineString(path)
if not geo_f.is_empty:
follow_buffer.append(geo_f)
geo_dict['follow'] = geo_f
geo_s = LineString(path).buffer(width / 1.999, int(self.steps_per_circle / 4))
if not geo_s.is_empty:
poly_buffer.append(geo_s)
if self.is_lpc is True:
geo_dict['clear'] = geo_s
else:
geo_dict['solid'] = geo_s
if last_path_aperture not in self.apertures:
self.apertures[last_path_aperture] = dict()
if 'geometry' not in self.apertures[last_path_aperture]:
self.apertures[last_path_aperture]['geometry'] = []
self.apertures[last_path_aperture]['geometry'].append(geo_dict)
self.apertures[last_path_aperture]['geometry'].append(deepcopy(geo_dict))
path = [path[-1]]
@@ -2293,8 +2300,10 @@ class Gerber (Geometry):
current_polarity = new_polarity
continue
### Number format
# ###############################################################
# Number format ##################
# Example: %FSLAX24Y24*%
# ###############################################################
# TODO: This is ignoring most of the format. Implement the rest.
match = self.fmt_re.search(gline)
if match:
@@ -2320,7 +2329,9 @@ class Gerber (Geometry):
self.convert_units(match.group(1))
continue
### Combined Number format and Mode --- Allegro does this
# ###############################################################
# Combined Number format and Mode --- Allegro does this #########
# ###############################################################
match = self.fmt_re_alt.search(gline)
if match:
absolute = {'A': 'Absolute', 'I': 'Relative'}[match.group(2)]
@@ -2339,7 +2350,9 @@ class Gerber (Geometry):
self.convert_units(match.group(5))
continue
### Search for OrCAD way for having Number format
# ###############################################################
# Search for OrCAD way for having Number format
# ###############################################################
match = self.fmt_re_orcad.search(gline)
if match:
if match.group(1) is not None:
@@ -2363,7 +2376,9 @@ class Gerber (Geometry):
self.convert_units(match.group(5))
continue
### Units (G70/1) OBSOLETE
# ###############################################################
# Units (G70/1) OBSOLETE
# ###############################################################
match = self.units_re.search(gline)
if match:
obs_gerber_units = {'0': 'IN', '1': 'MM'}[match.group(1)]
@@ -2372,17 +2387,21 @@ class Gerber (Geometry):
self.convert_units({'0': 'IN', '1': 'MM'}[match.group(1)])
continue
### Absolute/relative coordinates G90/1 OBSOLETE
# ###############################################################
# Absolute/relative coordinates G90/1 OBSOLETE ##########
# #######################################################
match = self.absrel_re.search(gline)
if match:
absolute = {'0': "Absolute", '1': "Relative"}[match.group(1)]
log.warning("Gerber obsolete coordinates type found = %s (Absolute or Relative) " % absolute)
continue
### Aperture Macros
# ###############################################################
# Aperture Macros #######################################
# Having this at the beginning will slow things down
# but macros can have complicated statements than could
# be caught by other patterns.
# ###############################################################
if current_macro is None: # No macro started yet
match = self.am1_re.search(gline)
# Start macro if match, else not an AM, carry on.
@@ -2416,49 +2435,51 @@ class Gerber (Geometry):
self.aperture_parse(match.group(1), match.group(2), match.group(3))
continue
### Operation code alone
# ###############################################################
# Operation code alone ########################
# Operation code alone, usually just D03 (Flash)
# self.opcode_re = re.compile(r'^D0?([123])\*$')
# ###############################################################
match = self.opcode_re.search(gline)
if match:
current_operation_code = int(match.group(1))
current_d = current_operation_code
if current_operation_code == 3:
## --- Buffered ---
# --- Buffered ---
try:
log.debug("Bare op-code %d." % current_operation_code)
# flash = Gerber.create_flash_geometry(Point(path[-1]),
# self.apertures[current_aperture])
geo_dict = dict()
flash = Gerber.create_flash_geometry(
Point(current_x, current_y), self.apertures[current_aperture],
int(self.steps_per_circle))
if not flash.is_empty:
geo_f = Point(current_x, current_y)
geo_s = flash
# follow_buffer.append(geo_f)
poly_buffer.append(geo_s)
geo_dict['follow'] = Point([current_x, current_y])
geo_dict = dict()
geo_dict['follow'] = geo_f
if self.is_lpc:
geo_dict['clear'] = geo_s
if not flash.is_empty:
poly_buffer.append(flash)
if self.is_lpc is True:
geo_dict['clear'] = flash
else:
geo_dict['solid'] = geo_s
try:
self.apertures[current_aperture]['geometry'].append(geo_dict)
except KeyError:
geo_dict['solid'] = flash
if last_path_aperture not in self.apertures:
self.apertures[current_aperture] = dict()
if 'geometry' not in self.apertures[current_aperture]:
self.apertures[current_aperture]['geometry'] = []
self.apertures[current_aperture]['geometry'].append(geo_dict)
self.apertures[current_aperture]['geometry'].append(deepcopy(geo_dict))
except IndexError:
log.warning("Line %d: %s -> Nothing there to flash!" % (line_num, gline))
continue
### Tool/aperture change
# ###############################################################
# Tool/aperture change
# Example: D12*
# ###############################################################
match = self.tool_re.search(gline)
if match:
current_aperture = match.group(1)
@@ -2475,96 +2496,134 @@ class Gerber (Geometry):
# Take care of the current path with the previous tool
if len(path) > 1:
if self.apertures[last_path_aperture]["type"] != 'R':
width = self.apertures[last_path_aperture]["size"]
geo_f = LineString(path)
geo_s = LineString(path).buffer(width / 1.999, int(self.steps_per_circle / 4))
follow_buffer.append(geo_f)
poly_buffer.append(geo_s)
if self.apertures[last_path_aperture]["type"] == 'R':
# do nothing because 'R' type moving aperture is none at once
pass
else:
geo_dict = dict()
geo_dict['follow'] = geo_f
if self.is_lpc:
geo_dict['clear'] = geo_s
else:
geo_dict['solid'] = geo_s
try:
self.apertures[last_path_aperture]['geometry'].append(geo_dict)
except KeyError:
geo_f = LineString(path)
if not geo_f.is_empty:
follow_buffer.append(geo_f)
geo_dict['follow'] = geo_f
# --- Buffered ----
width = self.apertures[last_path_aperture]["size"]
geo_s = LineString(path).buffer(width / 1.999, int(self.steps_per_circle / 4))
if not geo_s.is_empty:
poly_buffer.append(geo_s)
if self.is_lpc is True:
geo_dict['clear'] = geo_s
else:
geo_dict['solid'] = geo_s
if last_path_aperture not in self.apertures:
self.apertures[last_path_aperture] = dict()
if 'geometry' not in self.apertures[last_path_aperture]:
self.apertures[last_path_aperture]['geometry'] = []
self.apertures[last_path_aperture]['geometry'].append(geo_dict)
self.apertures[last_path_aperture]['geometry'].append(deepcopy(geo_dict))
path = [path[-1]]
continue
### G36* - Begin region
# ###############################################################
# G36* - Begin region
# ###############################################################
if self.regionon_re.search(gline):
if '0' not in self.apertures:
self.apertures['0'] = {}
self.apertures['0']['type'] = 'REG'
self.apertures['0']['size'] = 0.0
self.apertures['0']['geometry'] = []
last_path_aperture = '0'
self.apertures[last_path_aperture]['type'] = 'REG'
if len(path) > 1:
# Take care of what is left in the path
width = self.apertures[last_path_aperture]["size"]
geo_f = LineString(path)
geo_s = LineString(path).buffer(width / 1.999, int(self.steps_per_circle / 4))
follow_buffer.append(geo_f)
poly_buffer.append(geo_s)
geo_dict = dict()
geo_dict['follow'] = geo_f
if self.is_lpc:
geo_dict['clear'] = geo_s
else:
geo_dict['solid'] = geo_s
geo_f = LineString(path)
if not geo_f.is_empty:
follow_buffer.append(geo_f)
geo_dict['follow'] = geo_f
self.apertures[last_path_aperture]['geometry'].append(geo_dict)
# --- Buffered ----
width = self.apertures[last_path_aperture]["size"]
geo_s = LineString(path).buffer(width / 1.999, int(self.steps_per_circle / 4))
if not geo_s.is_empty:
poly_buffer.append(geo_s)
if self.is_lpc is True:
geo_dict['clear'] = geo_s
else:
geo_dict['solid'] = geo_s
if last_path_aperture not in self.apertures:
self.apertures[last_path_aperture] = dict()
if 'geometry' not in self.apertures[last_path_aperture]:
self.apertures[last_path_aperture]['geometry'] = []
self.apertures[last_path_aperture]['geometry'].append(deepcopy(geo_dict))
path = [path[-1]]
making_region = True
continue
### G37* - End region
# ###############################################################
# G37* - End region
# ###############################################################
if self.regionoff_re.search(gline):
making_region = False
if '0' not in self.apertures:
self.apertures['0'] = {}
self.apertures['0']['type'] = 'REG'
self.apertures['0']['size'] = 0.0
self.apertures['0']['geometry'] = []
# if D02 happened before G37 we now have a path with 1 element only so we have to add the current
# geo to the poly_buffer otherwise we loose it
# if current_operation_code == 2:
# print(path)
# geo_dict = dict()
# if geo_f:
# if not geo_f.is_empty:
# follow_buffer.append(geo_f)
# geo_dict['follow'] = geo_f
# if geo_s:
# if not geo_s.is_empty:
# poly_buffer.append(geo_s)
# if self.is_lpc is True:
# geo_dict['clear'] = geo_s
# else:
# geo_dict['solid'] = geo_s
#
# if geo_s or geo_f:
# self.apertures['0']['geometry'].append(deepcopy(geo_dict))
#
# continue
# Only one path defines region?
# This can happen if D02 happened before G37 and
# is not an error.
# is not and error.
if len(path) < 3:
# print "ERROR: Path contains less than 3 points:"
#path = [[current_x, current_y]]
continue
# usually the D02 will add the path to the geo but if there is no D02 before G37 here comes the
# rescue
geo_f = LineString(path)
geo_s = Polygon(path)
if not geo_s.is_valid:
geo_s = geo_s.buffer(0, int(self.steps_per_circle / 4))
if not geo_s.is_empty:
poly_buffer.append(geo_s)
follow_buffer.append(geo_f)
# For regions we may ignore an aperture that is None
# --- Buffered ---
geo_dict = dict()
geo_dict['follow'] = geo_f
if not geo_s.is_empty:
if self.is_lpc:
geo_dict['clear'] = geo_s
else:
geo_dict['solid'] = geo_s
region_f = Polygon(path).exterior
if not region_f.is_empty:
follow_buffer.append(region_f)
geo_dict['follow'] = region_f
self.apertures['0']['geometry'].append(geo_dict)
region_s = Polygon(path)
if not region_s.is_valid:
region_s = region_s.buffer(0, int(self.steps_per_circle / 4))
if not region_s.is_empty:
poly_buffer.append(region_s)
if self.is_lpc is True:
geo_dict['clear'] = region_s
else:
geo_dict['solid'] = region_s
if not region_s.is_empty or not region_f.is_empty:
self.apertures['0']['geometry'].append(deepcopy(geo_dict))
path = [[current_x, current_y]] # Start new path
continue
@@ -2593,18 +2652,6 @@ class Gerber (Geometry):
# NOTE: Letting it continue allows it to react to the
# operation code.
if current_aperture is None or last_path_aperture is None:
if '0' not in self.apertures:
self.apertures['0'] = {}
self.apertures['0']['type'] = 'REG'
self.apertures['0']['size'] = 0.0
self.apertures['0']['geometry'] = []
if current_aperture is None:
current_aperture = '0'
else:
last_path_aperture = '0'
width = 0
# Parse coordinates
if match.group(2) is not None:
linear_x = parse_gerber_number(match.group(2),
@@ -2628,11 +2675,7 @@ class Gerber (Geometry):
# if linear_x or linear_y are None, ignore those
if current_x is not None and current_y is not None:
# only add the point if it's a new one otherwise skip it (harder to process)
# but if it's the first point in the path in may create an exception
try:
if path[-1] != [current_x, current_y]:
path.append([current_x, current_y])
except IndexError:
if path[-1] != [current_x, current_y]:
path.append([current_x, current_y])
if making_region is False:
@@ -2647,42 +2690,29 @@ class Gerber (Geometry):
maxx = max(path[0][0], path[1][0]) + width / 2
miny = min(path[0][1], path[1][1]) - height / 2
maxy = max(path[0][1], path[1][1]) + height / 2
# log.debug("Coords: %s - %s - %s - %s" % (minx, miny, maxx, maxy))
r_x = maxx - minx
r_y = maxy - miny
geo_f = Point(r_x, r_y)
geo_s = shply_box(minx, miny, maxx, maxy)
follow_buffer.append(geo_f)
poly_buffer.append(geo_s)
log.debug("Coords: %s - %s - %s - %s" % (minx, miny, maxx, maxy))
geo_dict = dict()
geo_f = Point([current_x, current_y])
follow_buffer.append(geo_f)
geo_dict['follow'] = geo_f
if self.is_lpc:
geo_s = shply_box(minx, miny, maxx, maxy)
poly_buffer.append(geo_s)
if self.is_lpc is True:
geo_dict['clear'] = geo_s
else:
geo_dict['solid'] = geo_s
try:
self.apertures[current_aperture]['geometry'].append(geo_dict)
except KeyError:
if current_aperture not in self.apertures:
self.apertures[current_aperture] = dict()
if 'geometry' not in self.apertures[current_aperture]:
self.apertures[current_aperture]['geometry'] = []
self.apertures[current_aperture]['geometry'].append(geo_dict)
self.apertures[current_aperture]['geometry'].append(deepcopy(geo_dict))
except:
pass
last_path_aperture = current_aperture
else:
last_path_aperture = '0'
else:
self.app.inform.emit(_("[WARNING] Coordinates missing, line ignored: %s") % str(gline))
self.app.inform.emit(_("[WARNING_NOTCL] GERBER file might be CORRUPT. Check the file !!!"))
elif current_operation_code == 2:
# finish current path
if len(path) > 1:
geo_s = None
geo_f = None
last_path_aperture = current_aperture
# we do this for the case that a region is done without having defined any aperture
if last_path_aperture is None:
if '0' not in self.apertures:
self.apertures['0'] = {}
@@ -2690,41 +2720,87 @@ class Gerber (Geometry):
self.apertures['0']['size'] = 0.0
self.apertures['0']['geometry'] = []
last_path_aperture = '0'
width = 0
else:
width = self.apertures[last_path_aperture]["size"]
else:
self.app.inform.emit(_("[WARNING] Coordinates missing, line ignored: %s") % str(gline))
self.app.inform.emit(_("[WARNING_NOTCL] GERBER file might be CORRUPT. Check the file !!!"))
elif current_operation_code == 2:
if len(path) > 1:
geo_s = None
geo_f = None
geo_dict = dict()
# --- BUFFERED ---
# this treats the case when we are storing geometry as paths only
if making_region:
# we do this for the case that a region is done without having defined any aperture
if last_path_aperture is None:
if '0' not in self.apertures:
self.apertures['0'] = {}
self.apertures['0']['type'] = 'REG'
self.apertures['0']['size'] = 0.0
self.apertures['0']['geometry'] = []
last_path_aperture = '0'
geo_f = Polygon()
else:
geo_f = LineString(path)
try:
if self.apertures[last_path_aperture]["type"] != 'R':
if not geo_f.is_empty:
follow_buffer.append(geo_f)
geo_dict['follow'] = geo_f
except Exception as e:
log.debug("camlib.Gerber.parse_lines() --> %s" % str(e))
if not geo_f.is_empty:
follow_buffer.append(geo_f)
geo_dict['follow'] = geo_f
# this treats the case when we are storing geometry as solids
if making_region:
# we do this for the case that a region is done without having defined any aperture
if last_path_aperture is None:
if '0' not in self.apertures:
self.apertures['0'] = {}
self.apertures['0']['type'] = 'REG'
self.apertures['0']['size'] = 0.0
self.apertures['0']['geometry'] = []
last_path_aperture = '0'
try:
geo_s = Polygon(path)
except ValueError:
log.warning(
"Not enough points in path to create a Polygon %s %s" % (gline, line_num))
try:
geo_f = LineString(path)
except ValueError:
log.warning(
"Not enough points in path to create a LineString %s %s" % (gline, line_num))
log.warning("Problem %s %s" % (gline, line_num))
self.app.inform.emit(_("[ERROR] Region does not have enough points. "
"File will be processed but there are parser errors. "
"Line number: %s") % str(line_num))
else:
if last_path_aperture is None:
log.warning("No aperture defined for curent path. (%d)" % line_num)
width = self.apertures[last_path_aperture]["size"] # TODO: WARNING this should fail!
geo_s = LineString(path).buffer(width / 1.999, int(self.steps_per_circle / 4))
geo_f = LineString(path)
if self.apertures[last_path_aperture]["type"] != 'R':
poly_buffer.append(deepcopy(geo_s))
follow_buffer.append(deepcopy(geo_f))
try:
if self.apertures[last_path_aperture]["type"] != 'R':
if not geo_s.is_empty:
poly_buffer.append(geo_s)
if self.is_lpc is True:
geo_dict['clear'] = geo_s
else:
geo_dict['solid'] = geo_s
except Exception as e:
log.debug("camlib.Gerber.parse_lines() --> %s" % str(e))
poly_buffer.append(geo_s)
if self.is_lpc is True:
geo_dict['clear'] = geo_s
else:
geo_dict['solid'] = geo_s
geo_dict = dict()
geo_dict['follow'] = geo_f
if geo_s:
if self.is_lpc:
geo_dict['clear'] = deepcopy(geo_s)
else:
geo_dict['solid'] = deepcopy(geo_s)
try:
self.apertures[last_path_aperture]['geometry'].append(geo_dict)
except KeyError:
self.apertures[last_path_aperture]['geometry'] = []
self.apertures[last_path_aperture]['geometry'].append(geo_dict)
if last_path_aperture not in self.apertures:
self.apertures[last_path_aperture] = dict()
if 'geometry' not in self.apertures[last_path_aperture]:
self.apertures[last_path_aperture]['geometry'] = []
self.apertures[last_path_aperture]['geometry'].append(deepcopy(geo_dict))
# if linear_x or linear_y are None, ignore those
if linear_x is not None and linear_y is not None:
@@ -2737,52 +2813,76 @@ class Gerber (Geometry):
# Not allowed in region mode.
elif current_operation_code == 3:
width = self.apertures[last_path_aperture]["size"]
# finish the path draw until now
if len(path) > 1 and self.apertures[last_path_aperture]["type"] != 'R':
geo_f = LineString(path)
geo_s = LineString(path).buffer(width / 1.999, int(self.steps_per_circle / 4))
follow_buffer.append(geo_f)
poly_buffer.append(geo_s)
# Create path draw so far.
if len(path) > 1:
# --- Buffered ----
geo_dict = dict()
geo_dict['follow'] = geo_f
if self.is_lpc:
geo_dict['clear'] = geo_s
else:
geo_dict['solid'] = geo_s
try:
self.apertures[last_path_aperture]['geometry'].append(geo_dict)
except KeyError:
# this treats the case when we are storing geometry as paths
geo_f = LineString(path)
if not geo_f.is_empty:
try:
if self.apertures[last_path_aperture]["type"] != 'R':
follow_buffer.append(geo_f)
geo_dict['follow'] = geo_f
except Exception as e:
log.debug("camlib.Gerber.parse_lines() --> G01 match D03 --> %s" % str(e))
follow_buffer.append(geo_f)
geo_dict['follow'] = geo_f
# this treats the case when we are storing geometry as solids
width = self.apertures[last_path_aperture]["size"]
geo_s = LineString(path).buffer(width / 1.999, int(self.steps_per_circle / 4))
if not geo_s.is_empty:
try:
if self.apertures[last_path_aperture]["type"] != 'R':
poly_buffer.append(geo_s)
if self.is_lpc is True:
geo_dict['clear'] = geo_s
else:
geo_dict['solid'] = geo_s
except:
poly_buffer.append(geo_s)
if self.is_lpc is True:
geo_dict['clear'] = geo_s
else:
geo_dict['solid'] = geo_s
if last_path_aperture not in self.apertures:
self.apertures[last_path_aperture] = dict()
if 'geometry' not in self.apertures[last_path_aperture]:
self.apertures[last_path_aperture]['geometry'] = []
self.apertures[last_path_aperture]['geometry'].append(geo_dict)
self.apertures[last_path_aperture]['geometry'].append(deepcopy(geo_dict))
# Reset path starting point
path = [[linear_x, linear_y]]
# --- BUFFERED ---
# Draw the flash
geo_f = Point(linear_x, linear_y)
geo_s = Gerber.create_flash_geometry(
Point([linear_x, linear_y]),
# this treats the case when we are storing geometry as paths
geo_dict = dict()
geo_flash = Point([linear_x, linear_y])
follow_buffer.append(geo_flash)
geo_dict['follow'] = geo_flash
# this treats the case when we are storing geometry as solids
flash = Gerber.create_flash_geometry(
Point( [linear_x, linear_y]),
self.apertures[current_aperture],
int(self.steps_per_circle)
)
follow_buffer.append(geo_f)
if not geo_s.is_empty:
poly_buffer.append(geo_s)
geo_dict = dict()
geo_dict['follow'] = geo_f
if not geo_s.is_empty:
if self.is_lpc:
geo_dict['clear'] = geo_s
if not flash.is_empty:
poly_buffer.append(flash)
if self.is_lpc is True:
geo_dict['clear'] = flash
else:
geo_dict['solid'] = geo_s
try:
self.apertures[current_aperture]['geometry'].append(geo_dict)
except KeyError:
geo_dict['solid'] = flash
if current_aperture not in self.apertures:
self.apertures[current_aperture] = dict()
if 'geometry' not in self.apertures[current_aperture]:
self.apertures[current_aperture]['geometry'] = []
self.apertures[current_aperture]['geometry'].append(geo_dict)
self.apertures[current_aperture]['geometry'].append(deepcopy(geo_dict))
# maybe those lines are not exactly needed but it is easier to read the program as those coordinates
# are used in case that circular interpolation is encountered within the Gerber file
@@ -2853,41 +2953,35 @@ class Gerber (Geometry):
# Nothing created! Pen Up.
if current_operation_code == 2:
log.warning("Arc with D2. (%d)" % line_num)
# if we have something drawn until this moment, add it
if len(path) > 1:
# if last_path_aperture is None:
# log.warning("No aperture defined for curent path. (%d)" % line_num)
geo_dict = dict()
if last_path_aperture is None:
if '0' not in self.apertures:
self.apertures['0'] = {}
self.apertures['0']['type'] = 'REG'
self.apertures['0']['size'] = 0.0
self.apertures['0']['geometry'] = []
last_path_aperture = '0'
width = 0
log.warning("No aperture defined for curent path. (%d)" % line_num)
# --- BUFFERED ---
width = self.apertures[last_path_aperture]["size"]
# this treats the case when we are storing geometry as paths
geo_f = LineString(path)
geo_s = LineString(path).buffer(width / 1.999, int(self.steps_per_circle / 4))
if not geo_s.is_empty:
if not geo_f.is_empty:
follow_buffer.append(geo_f)
poly_buffer.append(geo_s)
geo_dict['follow'] = geo_f
geo_dict = dict()
geo_dict['follow'] = geo_f
if not geo_s.is_empty:
if self.is_lpc:
geo_dict['clear'] = geo_s
# this treats the case when we are storing geometry as solids
buffered = LineString(path).buffer(width / 1.999, int(self.steps_per_circle))
if not buffered.is_empty:
poly_buffer.append(buffered)
if self.is_lpc is True:
geo_dict['clear'] = buffered
else:
geo_dict['solid'] = geo_s
try:
self.apertures[last_path_aperture]['geometry'].append(geo_dict)
except KeyError:
geo_dict['solid'] = buffered
if last_path_aperture not in self.apertures:
self.apertures[last_path_aperture] = dict()
if 'geometry' not in self.apertures[last_path_aperture]:
self.apertures[last_path_aperture]['geometry'] = []
self.apertures[last_path_aperture]['geometry'].append(geo_dict)
self.apertures[last_path_aperture]['geometry'].append(deepcopy(geo_dict))
current_x = circular_x
current_y = circular_y
@@ -2998,28 +3092,42 @@ class Gerber (Geometry):
# In case that G01 (moving) aperture is rectangular, there is no need to still create
# another geo since we already created a shapely box using the start and end coordinates found in
# path variable. We do it only for other apertures than 'R' type
if self.apertures[last_path_aperture]["type"] != 'R':
if self.apertures[last_path_aperture]["type"] == 'R':
pass
else:
# EOF, create shapely LineString if something still in path
width = self.apertures[last_path_aperture]["size"]
geo_f = LineString(path)
geo_s = LineString(path).buffer(width / 1.999, int(self.steps_per_circle / 4))
follow_buffer.append(geo_f)
if not geo_s.is_empty:
poly_buffer.append(geo_s)
## --- Buffered ---
geo_dict = dict()
geo_dict['follow'] = geo_f
# this treats the case when we are storing geometry as paths
geo_f = LineString(path)
if not geo_f.is_empty:
follow_buffer.append(geo_f)
geo_dict['follow'] = geo_f
# this treats the case when we are storing geometry as solids
width = self.apertures[last_path_aperture]["size"]
geo_s = LineString(path).buffer(width / 1.999, int(self.steps_per_circle / 4))
if not geo_s.is_empty:
if self.is_lpc:
poly_buffer.append(geo_s)
if self.is_lpc is True:
geo_dict['clear'] = geo_s
else:
geo_dict['solid'] = geo_s
try:
self.apertures[last_path_aperture]['geometry'].append(geo_dict)
except KeyError:
if last_path_aperture not in self.apertures:
self.apertures[last_path_aperture] = dict()
if 'geometry' not in self.apertures[last_path_aperture]:
self.apertures[last_path_aperture]['geometry'] = []
self.apertures[last_path_aperture]['geometry'].append(geo_dict)
self.apertures[last_path_aperture]['geometry'].append(deepcopy(geo_dict))
# TODO: make sure to keep track of units changes because right now it seems to happen in a weird way
# find out the conversion factor used to convert inside the self.apertures keys: size, width, height
file_units = gerber_units if gerber_units else 'IN'
app_units = self.app.defaults['units']
conversion_factor = 25.4 if file_units == 'IN' else (1/25.4) if file_units != app_units else 1
# --- Apply buffer ---
# this treats the case when we are storing geometry as paths
@@ -3028,6 +3136,9 @@ class Gerber (Geometry):
# this treats the case when we are storing geometry as solids
log.warning("Joining %d polygons." % len(poly_buffer))
for td in self.apertures:
print(td, self.apertures[td])
if len(poly_buffer) == 0:
log.error("Object is not Gerber file or empty. Aborting Object creation.")
return 'fail'
@@ -3283,6 +3394,15 @@ class Gerber (Geometry):
self.app.inform.emit(_("[success] Gerber Scale done."))
## solid_geometry ???
# It's a cascaded union of objects.
# self.solid_geometry = affinity.scale(self.solid_geometry, factor,
# factor, origin=(0, 0))
# # Now buffered_paths, flash_geometry and solid_geometry
# self.create_geometry()
def offset(self, vect):
"""
Offsets the objects' geometry on the XY plane by a given vector.