def initialize(self):
"""
Initialize the map before running it. This must be done in the right sequence:
- prepare the output file
"""
try:
# first, instantiate the resources and the commands
self.instantiate(self.d)
# get the projection
proj = get_or_default(self.d, 'projection', 'default-projection')
self.projection = self.resolve_projection(proj)
self.strings['projection-name'] = proj
self.strings['projection-class'] = self.projection.cls
if self.projection is None:
raise MapperException(MX_UNRESOLVED_REFERENCE, 'Map.init_output', 'projection', proj)
# then load the input file
file_in = self.translate_string(self.d['file-in'])
file_in = os.path.join(self.path, file_in)
self.strings['input-file'] = file_in
self.input_svg = svgfig_mc.load(file_in)
# define all the layers of transformation between the input and the output file.
self.set_transforms(self.d['viewport'])
# and then prepare the output file
self.file_out = self.translate_string(self.d['file-out'])
self.file_out = os.path.join(self.path, self.file_out)
self.strings['output-file'] = self.file_out
self.init_output(get_or_default(self.d, 'append', False))
self.mode = get_or_default(self.d, 'mode', 'keep')
if self.mode not in {'keep', 'clip', 'crop'}:
raise MapperException(MX_WRONG_VALUE, 'Map.initialize', 'mode', self.mode)
except KeyError as ke:
raise MapperException(MX_MISSING_PARAMETER, 'Map.initialize', str(ke), 'map')
def initialize(self):
"""
Initialize the map before running it. This must be done in the right sequence:
- prepare the output file
"""
try:
# first, instantiate the resources and the commands
self.instantiate(self.d)
# get the projection
proj = get_or_default(self.d, 'projection', 'default-projection')
self.projection = self.resolve_projection(proj)
self.strings['projection-name'] = proj
self.strings['projection-class'] = self.projection.cls
if self.projection is None:
raise MapperException(MX_UNRESOLVED_REFERENCE,
'Map.init_output', 'projection', proj)
# then load the input file
file_in = self.translate_string(self.d['file-in'])
file_in = os.path.join(self.path, file_in)
self.strings['input-file'] = file_in
self.input_svg = svgfig_mc.load(file_in)
# define all the layers of transformation between the input and the output file.
self.set_transforms(self.d['viewport'])
# and then prepare the output file
self.file_out = self.translate_string(self.d['file-out'])
self.file_out = os.path.join(self.path, self.file_out)
self.strings['output-file'] = self.file_out
self.init_output(get_or_default(self.d, 'append', False))
self.mode = get_or_default(self.d, 'mode', 'keep')
if self.mode not in {'keep', 'clip', 'crop'}:
raise MapperException(MX_WRONG_VALUE, 'Map.initialize', 'mode',
self.mode)
except KeyError as ke:
raise MapperException(MX_MISSING_PARAMETER, 'Map.initialize',
str(ke), 'map')
def load_symbol(self, name):
""" Locates and returns the symbol's svg. """
if self.svg is None:
self.svg = svgfig_mc.load(os.path.join(self.path, self.filename))
for k, s in self.svg:
if isinstance(s, svgfig_mc.SVG):
if 'id' in s.attr and name == s.attr['id']:
return s
return None
def init_output(self, append):
"""
Either create a new blank output file that is a copy of the input stripped of content,
or load an existing one and index it.
"""
if append and os.path.isfile(self.file_out):
self.output_svg = svgfig_mc.load(self.file_out)
for k, s in self.output_svg:
if isinstance(s, svgfig_mc.SVG) and s.t == 'g' and 'inkscape:groupmode' in s.attr:
self.layers_out[s.attr['inkscape:label']] = s
else:
# Clone the header part of the input by iterating over all top-level members that are not groups.
self.output_svg = svgfig_mc.SVG('svg')
self.output_svg.attr = copy.deepcopy(self.input_svg.attr)
for k, s in self.input_svg.depth_first(1):
if isinstance(s, svgfig_mc.SVG) and s.t not in ['g', 'path']:
self.output_svg.append(s.clone())
def init_output(self, append):
"""
Either create a new blank output file that is a copy of the input stripped of content,
or load an existing one and index it.
"""
if append and os.path.isfile(self.file_out):
self.output_svg = svgfig_mc.load(self.file_out)
for k, s in self.output_svg:
if isinstance(
s, svgfig_mc.SVG
) and s.t == 'g' and 'inkscape:groupmode' in s.attr:
self.layers_out[s.attr['inkscape:label']] = s
else:
# Clone the header part of the input by iterating over all top-level members that are not groups.
self.output_svg = svgfig_mc.SVG('svg')
self.output_svg.attr = copy.deepcopy(self.input_svg.attr)
for k, s in self.input_svg.depth_first(1):
if isinstance(s, svgfig_mc.SVG) and s.t not in ['g', 'path']:
self.output_svg.append(s.clone())
