def render(self, config, renderer_name, output_formats, file_prefix):
"""Renders a job with the given rendering configuration, using the
provided renderer, to the given output formats.
Args:
config (RenderingConfiguration): the rendering configuration
object.
renderer_name (string): the layout renderer to use for this rendering.
output_formats (list): a list of output formats to render to, from
the list of supported output formats (pdf, svgz, etc.).
file_prefix (string): filename prefix for all output files.
"""
assert config.osmid or config.bounding_box, \
'At least an OSM ID or a bounding box must be provided!'
output_formats = map(lambda x: x.lower(), output_formats)
config.i18n = i18n.install_translation(config.language,
self._locale_path)
LOG.info('Rendering with renderer %s in language: %s (rtl: %s).' %
(renderer_name, config.i18n.language_code(),
config.i18n.isrtl()))
# Determine bounding box and WKT of interest
if config.osmid:
osmid_bbox, osmid_area \
= self.get_geographic_info(config.osmid)
# Define the bbox if not already defined
if not config.bounding_box:
config.bounding_box \
= coords.BoundingBox.parse_wkt(osmid_bbox)
# Update the polygon WKT of interest
config.polygon_wkt = osmid_area
else:
# No OSM ID provided => use specified bbox
config.polygon_wkt = config.bounding_box.as_wkt()
# Make sure we have a bounding box
assert config.bounding_box is not None
assert config.polygon_wkt is not None
# Prepare the index
try:
street_index = EQNZIndex(self._db,
config.polygon_wkt,
config.i18n,
ush_url='http://eq.org.nz',
ush_category_ids=config.ush_category_ids)
except IndexEmptyError:
LOG.warning("Designated area leads to an empty index")
street_index = None
# Create a temporary directory for all our shape files
tmpdir = tempfile.mkdtemp(prefix='ocitysmap')
try:
LOG.debug('Rendering in temporary directory %s' % tmpdir)
# Prepare the generic renderer
renderer_cls = renderers.get_renderer_class_by_name(renderer_name)
renderer = renderer_cls(config, tmpdir, street_index)
# Update the street_index to reflect the grid's actual position
if renderer.grid and street_index:
street_index.apply_grid(renderer.grid)
# Perform the actual rendering to the Cairo devices
for output_format in output_formats:
output_filename = '%s.%s' % (file_prefix, output_format)
try:
self._render_one(renderer, output_format, output_filename)
except IndexDoesNotFitError:
LOG.exception("The actual font metrics probably don't "
"match those pre-computed by the renderer's"
"constructor. Backtrace follows...")
# Also dump the CSV street index
if street_index:
street_index.write_to_csv(config.title, '%s.csv' % file_prefix)
finally:
self._cleanup_tempdir(tmpdir)
def render(self, config, renderer_name, output_formats, file_prefix):
"""Renders a job with the given rendering configuration, using the
provided renderer, to the given output formats.
Args:
config (RenderingConfiguration): the rendering configuration
object.
renderer_name (string): the layout renderer to use for this rendering.
output_formats (list): a list of output formats to render to, from
the list of supported output formats (pdf, svgz, etc.).
file_prefix (string): filename prefix for all output files.
"""
assert config.osmid or config.bounding_box, \
'At least an OSM ID or a bounding box must be provided!'
output_formats = map(lambda x: x.lower(), output_formats)
config.i18n = i18n.install_translation(config.language,
self._locale_path)
LOG.info('Rendering with renderer %s in language: %s (rtl: %s).' %
(renderer_name, config.i18n.language_code(),
config.i18n.isrtl()))
# Determine bounding box and WKT of interest
if config.osmid:
osmid_bbox, osmid_area \
= self.get_geographic_info(config.osmid)
# Define the bbox if not already defined
if not config.bounding_box:
config.bounding_box \
= coords.BoundingBox.parse_wkt(osmid_bbox)
# Update the polygon WKT of interest
config.polygon_wkt = osmid_area
else:
# No OSM ID provided => use specified bbox
config.polygon_wkt = config.bounding_box.as_wkt()
# Make sure we have a bounding box
assert config.bounding_box is not None
assert config.polygon_wkt is not None
osm_date = self.get_osm_database_last_update()
# Create a temporary directory for all our shape files
tmpdir = tempfile.mkdtemp(prefix='ocitysmap')
try:
LOG.debug('Rendering in temporary directory %s' % tmpdir)
# Prepare the generic renderer
renderer_cls = renderers.get_renderer_class_by_name(renderer_name)
# Perform the actual rendering to the Cairo devices
for output_format in output_formats:
output_filename = '%s.%s' % (file_prefix, output_format)
try:
self._render_one(config, tmpdir, renderer_cls,
output_format, output_filename, osm_date,
file_prefix)
except IndexDoesNotFitError:
LOG.exception("The actual font metrics probably don't "
"match those pre-computed by the renderer's"
"constructor. Backtrace follows...")
finally:
self._cleanup_tempdir(tmpdir)
def render(self, config, renderer_name, output_formats, file_prefix):
"""Renders a job with the given rendering configuration, using the
provided renderer, to the given output formats.
Args:
config (RenderingConfiguration): the rendering configuration
object.
renderer_name (string): the layout renderer to use for this rendering.
output_formats (list): a list of output formats to render to, from
the list of supported output formats (pdf, svgz, etc.).
file_prefix (string): filename prefix for all output files.
"""
assert config.osmid or config.bounding_box, \
'At least an OSM ID or a bounding box must be provided!'
output_formats = map(lambda x: x.lower(), output_formats)
config.i18n = i18n.install_translation(config.language,
self._locale_path)
LOG.info(
'Rendering with renderer %s in language: %s (rtl: %s).' %
(renderer_name, config.i18n.language_code(), config.i18n.isrtl()))
# Determine bounding box and WKT of interest
if config.osmid:
osmid_bbox, osmid_area \
= self.get_geographic_info(config.osmid)
# Define the bbox if not already defined
if not config.bounding_box:
config.bounding_box \
= coords.BoundingBox.parse_wkt(osmid_bbox)
# Update the polygon WKT of interest
config.polygon_wkt = osmid_area
else:
# No OSM ID provided => use specified bbox
config.polygon_wkt = config.bounding_box.as_wkt()
# Make sure we have a bounding box
assert config.bounding_box is not None
assert config.polygon_wkt is not None
osm_date = self.get_osm_database_last_update()
# Create a temporary directory for all our shape files
tmpdir = tempfile.mkdtemp(prefix='ocitysmap')
try:
LOG.debug('Rendering in temporary directory %s' % tmpdir)
# Prepare the generic renderer
renderer_cls = renderers.get_renderer_class_by_name(renderer_name)
# Perform the actual rendering to the Cairo devices
for output_format in output_formats:
output_filename = '%s.%s' % (file_prefix, output_format)
try:
self._render_one(config, tmpdir, renderer_cls,
output_format, output_filename, osm_date,
file_prefix)
except IndexDoesNotFitError:
LOG.exception("The actual font metrics probably don't "
"match those pre-computed by the renderer's"
"constructor. Backtrace follows...")
finally:
self._cleanup_tempdir(tmpdir)
