def place_path_shape(cfg, shape, layer, layer_name, mirror=False): """ Places a dict path shape definition in the specified layer """ sig_dig = cfg['pcbmode']['significant_digits'] path = shape.get('value') rotation = shape.get('rotate') or 0 location = shape.get('location') scale = shape.get('scale') or 1 style = shape.get('style') stroke_width = shape.get('stroke_width') gerber_lp = (shape.get('gerber_lp') or shape.get('gerber-lp')) translate = 'translate(' + str(round(location[0], sig_dig)) + ' ' + str(round(-location[1], sig_dig)) + ')' transform = translate # convert path to relative commands path = svg.absolute_to_relative_path(path) # get a path having an origin at the center of the shape # defined by the path d_width, d_height, path = svg.transform_path(path, True, scale, rotation, Point()) if mirror is True: path = svg.mirror_path_over_axis(path, 'x', 0) subelement = et.SubElement(layer, 'path', transform=transform, d=path) if gerber_lp is not None: subelement.set('{'+config.cfg['ns']['pcbmode']+'}gerber-lp', gerber_lp) # add the right style if style is not None: if style == 'outline': style = cfg['layout_style'][layer_name].get('outline') # if there's a stroke-width definition, then override the default if stroke_width is not None: style['stroke-width'] = str(stroke_width) style = utils.dict_to_style(style) elif style == 'fill': style = utils.dict_to_style(cfg['layout_style'][layer_name].get('fill')) else: print "ERROR: unrecognised style" else: # default to outline style = utils.dict_to_style(cfg['layout_style'][layer_name].get('outline')) if style is not None: subelement.set('style', style) return
def gerbers_to_svg(manufacturer='default'): """ Takes Gerber files as input and generates an SVG of them """ def normalise_gerber_number(gerber_number, axis, form): """ Takes a Gerber number and converts it into a float using the formatting defined in the Gerber header """ # TODO: actually support anything other than leading zeros number = gerber_number / pow(10.0, form[axis]['decimal']) return number def parsed_grammar_to_dict(parsed_grammar): """ Converts the Gerber parsing results to an SVG. """ gerber_dict = {} current_aperture = None new_shape = True for line in parsed_grammar: if line.dump(): if (line.format): if gerber_dict.get('format') is None: gerber_dict['format'] = {} tmp = gerber_dict['format'] tmp['notation'] = line['format']['notation'] tmp['zeros'] = line['format']['zeros'] tmp['x'] = {} tmp['x']['integer'] = line['format']['x']['integer'] tmp['x']['decimal'] = line['format']['x']['decimal'] tmp['y'] = {} tmp['y']['integer'] = line['format']['x']['integer'] tmp['y']['decimal'] = line['format']['x']['decimal'] elif (line.units): gerber_dict['units'] = line['units']['units'] elif (line.aperture_definition): tmp = {} if line['aperture_definition']['type'] == 'circle': tmp['type'] = 'circle' tmp['diameter'] = line['aperture_definition'][ 'diameter'] tmp['number'] = line['aperture_definition']['number'] elif line['aperture_definition']['type'] == 'rect': tmp['type'] = 'rect' tmp['width'] = line['aperture_definition']['width'] tmp['height'] = line['aperture_definition']['height'] tmp['number'] = line['aperture_definition']['number'] else: print "ERROR: cannot recognise aperture definition type" if gerber_dict.get('aperture-definitions') is None: gerber_dict['aperture-definitions'] = [] gerber_dict['aperture-definitions'].append(tmp) elif line.polarity_change: if gerber_dict.get('features') is None: gerber_dict['features'] = [] polarity = line['polarity_change']['polarity'] polarity_dict = {} polarity_dict['polarity'] = polarity polarity_dict['shapes'] = [] gerber_dict['features'].append(polarity_dict) elif line.aperture_change: tmp = {} tmp['type'] = 'aperture-change' tmp['number'] = line.aperture_change['number'] #if len(gerber_dict['features'][-1]['shapes'] == 0): gerber_dict['features'][-1]['shapes'].append(tmp) #else: # gerber_dict['features'][-1]['shapes'].append(tmp) tmp = {} tmp['type'] = 'stroke' tmp['segments'] = [] gerber_dict['features'][-1]['shapes'].append(tmp) elif line.start_closed_shape: tmp = {} tmp['type'] = 'fill' tmp['segments'] = [] gerber_dict['features'][-1]['shapes'].append(tmp) elif line.move or line.draw or line.flash: # TODO: hack alert! (Got to get shit done, you know? Don't judge me!) if line.move: command_name = 'move' item = line.move if line.draw: command_name = 'draw' item = line.draw if line.flash: command_name = 'flash' item = line.flash point = Point( normalise_gerber_number(item['x'], 'x', gerber_dict['format']), normalise_gerber_number(item['y'], 'y', gerber_dict['format'])) tmp = {} tmp['type'] = command_name tmp['coord'] = point gerber_dict['features'][-1]['shapes'][-1][ 'segments'].append(tmp) elif line.end_closed_shape: new_shape = True return gerber_dict def create_gerber_svg_data(gerber_data): """ Returns an SVG element of the input Gerber data """ gerber_data_parsed = gerber_grammar.parseString(gerber_data) gerber_data_dict = parsed_grammar_to_dict(gerber_data_parsed) gerber_data_svg = svg.generate_svg_from_gerber_dict(gerber_data_dict) return gerber_data_svg # get the board's shape / outline board_shape_gerber_lp = None shape = config.brd['board_outline']['shape'] board_shape_type = shape.get('type') if board_shape_type in ['rect', 'rectangle']: offset = utils.to_Point(shape.get('offset') or [0, 0]) board_shape_path = svg.rect_to_path(shape) elif board_shape_type == 'path': board_shape_path = shape.get('value') board_shape_gerber_lp = shape.get('gerber_lp') if board_shape_path is None: print "ERROR: couldn't find a path under key 'value' for board outline" else: print "ERROR: unrecognised board shape type: %s. Possible options are 'rect' or 'path'" % board_shape_type # convert path to relative board_shape_path_relative = svg.absolute_to_relative_path(board_shape_path) # this will return a path having an origin at the center of the shape # defined by the path board_width, board_height, board_outline = svg.transform_path( board_shape_path_relative, True) display_width = board_width display_height = board_height #transform = 'translate(' + str(round((board_width)/2, SD)) + ' ' + str(round((board_height)/2, SD)) + ')' sig_dig = config.cfg['significant-digits'] #transform = 'translate(%s %s)' % (round(board_width/2, sig_dig), # round(board_height/2, sig_dig)) # extra buffer for display frame display_frame_buffer = config.cfg.get('display-frame-buffer') or 1.0 gerber = et.Element( 'svg', width=str(display_width) + config.brd['config']['units'], height=str(display_height) + config.brd['config']['units'], viewBox=str(-display_frame_buffer / 2) + ' ' + str(-display_frame_buffer / 2) + ' ' + str(board_width + display_frame_buffer) + ' ' + str(board_height + display_frame_buffer), version='1.1', nsmap=cfg['namespace'], fill='black') doc = et.ElementTree(gerber) gerber_layers = svg.create_layers_for_gerber_svg(gerber) # directory for where to expect the Gerbers within the build path # regardless of the source of the Gerbers, the PCBmodE directory # structure is assumed production_path = os.path.join(config.cfg['base-dir'], config.cfg['locations']['build'], 'production') # get board information from configuration file pcbmode_version = config.cfg['version'] board_name = config.cfg['name'] board_revision = config.brd['config'].get('rev') base_name = "%s_rev_%s" % (board_name, board_revision) gerber_grammar = gerber_grammar_generator() for foil in ['outline']: #, 'documentation']: gerber_file = os.path.join(production_path, base_name + '_%s.ger' % (foil)) gerber_data = open(gerber_file, 'r').read() gerber_svg = create_gerber_svg_data(gerber_data) gerber_svg_layer = gerber_layers[foil]['layer'] gerber_svg_layer.append(gerber_svg) print foil for pcb_layer in utils.getSurfaceLayers(): for foil in ['copper', 'silkscreen', 'soldermask']: gerber_file = os.path.join( production_path, base_name + '_%s_%s.ger' % (pcb_layer, foil)) gerber_data = open(gerber_file, 'r').read() gerber_svg = create_gerber_svg_data(gerber_data) gerber_svg_layer = gerber_layers[pcb_layer][foil]['layer'] gerber_svg_layer.append(gerber_svg) print foil output_file = os.path.join(config.cfg['base-dir'], config.cfg['locations']['build'], cfg['board_name'] + '_gerber.svg') try: f = open(output_file, 'wb') except IOError as e: print "I/O error({0}): {1}".format(e.errno, e.strerror) f.write(et.tostring(doc, pretty_print=True)) f.close() return
def gerbers_to_svg(manufacturer='default'): """ Takes Gerber files as input and generates an SVG of them """ def normalise_gerber_number(gerber_number, axis, form): """ Takes a Gerber number and converts it into a float using the formatting defined in the Gerber header """ # TODO: actually support anything other than leading zeros number = gerber_number / pow(10.0, form[axis]['decimal']) return number def parsed_grammar_to_dict(parsed_grammar): """ Converts the Gerber parsing results to an SVG. """ gerber_dict = {} current_aperture = None new_shape = True for line in parsed_grammar: if line.dump(): if (line.format): if gerber_dict.get('format') is None: gerber_dict['format'] = {} tmp = gerber_dict['format'] tmp['notation'] = line['format']['notation'] tmp['zeros'] = line['format']['zeros'] tmp['x'] = {} tmp['x']['integer'] = line['format']['x']['integer'] tmp['x']['decimal'] = line['format']['x']['decimal'] tmp['y'] = {} tmp['y']['integer'] = line['format']['x']['integer'] tmp['y']['decimal'] = line['format']['x']['decimal'] elif (line.units): gerber_dict['units'] = line['units']['units'] elif (line.aperture_definition): tmp = {} if line['aperture_definition']['type'] == 'circle': tmp['type'] = 'circle' tmp['diameter'] = line['aperture_definition']['diameter'] tmp['number'] = line['aperture_definition']['number'] elif line['aperture_definition']['type'] == 'rect': tmp['type'] = 'rect' tmp['width'] = line['aperture_definition']['width'] tmp['height'] = line['aperture_definition']['height'] tmp['number'] = line['aperture_definition']['number'] else: print "ERROR: cannot recognise aperture definition type" if gerber_dict.get('aperture-definitions') is None: gerber_dict['aperture-definitions'] = [] gerber_dict['aperture-definitions'].append(tmp) elif line.polarity_change: if gerber_dict.get('features') is None: gerber_dict['features'] = [] polarity = line['polarity_change']['polarity'] polarity_dict = {} polarity_dict['polarity'] = polarity polarity_dict['shapes'] = [] gerber_dict['features'].append(polarity_dict) elif line.aperture_change: tmp = {} tmp['type'] = 'aperture-change' tmp['number'] = line.aperture_change['number'] #if len(gerber_dict['features'][-1]['shapes'] == 0): gerber_dict['features'][-1]['shapes'].append(tmp) #else: # gerber_dict['features'][-1]['shapes'].append(tmp) tmp = {} tmp['type'] = 'stroke' tmp['segments'] = [] gerber_dict['features'][-1]['shapes'].append(tmp) elif line.start_closed_shape: tmp = {} tmp['type'] = 'fill' tmp['segments'] = [] gerber_dict['features'][-1]['shapes'].append(tmp) elif line.move or line.draw or line.flash: # TODO: hack alert! (Got to get shit done, you know? Don't judge me!) if line.move: command_name = 'move' item = line.move if line.draw: command_name = 'draw' item = line.draw if line.flash: command_name = 'flash' item = line.flash point = Point(normalise_gerber_number(item['x'], 'x', gerber_dict['format']), normalise_gerber_number(item['y'], 'y', gerber_dict['format'])) tmp = {} tmp['type'] = command_name tmp['coord'] = point gerber_dict['features'][-1]['shapes'][-1]['segments'].append(tmp) elif line.end_closed_shape: new_shape = True return gerber_dict def create_gerber_svg_data(gerber_data): """ Returns an SVG element of the input Gerber data """ gerber_data_parsed = gerber_grammar.parseString(gerber_data) gerber_data_dict = parsed_grammar_to_dict(gerber_data_parsed) gerber_data_svg = svg.generate_svg_from_gerber_dict(gerber_data_dict) return gerber_data_svg # get the board's shape / outline board_shape_gerber_lp = None shape = config.brd['board_outline']['shape'] board_shape_type = shape.get('type') if board_shape_type in ['rect', 'rectangle']: offset = utils.to_Point(shape.get('offset') or [0, 0]) board_shape_path = svg.rect_to_path(shape) elif board_shape_type == 'path': board_shape_path = shape.get('value') board_shape_gerber_lp = shape.get('gerber_lp') if board_shape_path is None: print "ERROR: couldn't find a path under key 'value' for board outline" else: print "ERROR: unrecognised board shape type: %s. Possible options are 'rect' or 'path'" % board_shape_type # convert path to relative board_shape_path_relative = svg.absolute_to_relative_path(board_shape_path) # this will return a path having an origin at the center of the shape # defined by the path board_width, board_height, board_outline = svg.transform_path(board_shape_path_relative, True) display_width = board_width display_height = board_height #transform = 'translate(' + str(round((board_width)/2, SD)) + ' ' + str(round((board_height)/2, SD)) + ')' sig_dig = config.cfg['significant-digits'] #transform = 'translate(%s %s)' % (round(board_width/2, sig_dig), # round(board_height/2, sig_dig)) # extra buffer for display frame display_frame_buffer = config.cfg.get('display-frame-buffer') or 1.0 gerber = et.Element('svg', width=str(display_width) + config.brd['config']['units'], height=str(display_height) + config.brd['config']['units'], viewBox=str(-display_frame_buffer/2) + ' ' + str(-display_frame_buffer/2) + ' ' + str(board_width+display_frame_buffer) + ' ' + str(board_height + display_frame_buffer), version='1.1', nsmap=cfg['namespace'], fill='black') doc = et.ElementTree(gerber) gerber_layers = svg.create_layers_for_gerber_svg(gerber) # directory for where to expect the Gerbers within the build path # regardless of the source of the Gerbers, the PCBmodE directory # structure is assumed production_path = os.path.join(config.cfg['base-dir'], config.cfg['locations']['build'], 'production') # get board information from configuration file pcbmode_version = config.cfg['version'] board_name = config.cfg['name'] board_revision = config.brd['config'].get('rev') base_name = "%s_rev_%s" % (board_name, board_revision) gerber_grammar = gerber_grammar_generator() for foil in ['outline']:#, 'documentation']: gerber_file = os.path.join(production_path, base_name + '_%s.ger'% (foil)) gerber_data = open(gerber_file, 'r').read() gerber_svg = create_gerber_svg_data(gerber_data) gerber_svg_layer = gerber_layers[foil]['layer'] gerber_svg_layer.append(gerber_svg) print foil #for pcb_layer in utils.getSurfaceLayers(): for pcb_layer in config.stk['layer-names']: for foil in ['conductor', 'silkscreen', 'soldermask']: gerber_file = os.path.join(production_path, base_name + '_%s_%s.ger'% (pcb_layer, foil)) gerber_data = open(gerber_file, 'r').read() gerber_svg = create_gerber_svg_data(gerber_data) gerber_svg_layer = gerber_layers[pcb_layer][foil]['layer'] gerber_svg_layer.append(gerber_svg) print foil output_file = os.path.join(config.cfg['base-dir'], config.cfg['locations']['build'], cfg['board_name'] + '_gerber.svg') try: f = open(output_file, 'wb') except IOError as e: print "I/O error({0}): {1}".format(e.errno, e.strerror) f.write(et.tostring(doc, pretty_print=True)) f.close() return