def layer_srs_bbox(self, layer, epsg_axis_order=False):
for srs, extent in iteritems(self.srs_extents):
if srs not in self.srs:
continue
# is_default is True when no explicit bbox is defined for this srs
# use layer extent
if extent.is_default:
bbox = layer.extent.bbox_for(SRS(srs))
elif layer.extent.is_default:
bbox = extent.bbox_for(SRS(srs))
else:
# Use intersection of srs_extent and layer.extent.
# Use 4326 extents to avoid transformation errors.
a = extent.transform(SRS(4326))
b = layer.extent.transform(SRS(4326))
bbox = a.intersection(b).bbox_for(SRS(srs))
if epsg_axis_order:
bbox = switch_bbox_epsg_axis_order(bbox, srs)
yield srs, bbox
# add native srs
layer_srs_code = layer.extent.srs.srs_code
if layer_srs_code not in self.srs_extents:
bbox = layer.extent.bbox
if epsg_axis_order:
bbox = switch_bbox_epsg_axis_order(bbox, layer_srs_code)
if layer_srs_code in self.srs:
yield layer_srs_code, bbox
def layer_srs_bbox(self, layer, epsg_axis_order=False):
for srs, extent in iteritems(self.srs_extents):
# is_default is True when no explicit bbox is defined for this srs
# use layer extent
if extent.is_default:
bbox = layer.extent.bbox_for(SRS(srs))
elif layer.extent.is_default:
bbox = extent.bbox_for(SRS(srs))
else:
# Use intersection of srs_extent and layer.extent.
bbox = extent.intersection(layer.extent).bbox_for(SRS(srs))
if epsg_axis_order:
bbox = switch_bbox_epsg_axis_order(bbox, srs)
if srs in self.srs:
yield srs, bbox
# add native srs
layer_srs_code = layer.extent.srs.srs_code
if layer_srs_code not in self.srs_extents:
bbox = layer.extent.bbox
if epsg_axis_order:
bbox = switch_bbox_epsg_axis_order(bbox, layer_srs_code)
if layer_srs_code in self.srs:
yield layer_srs_code, bbox
def layer_srs_bbox(self, layer, epsg_axis_order=False):
for srs, extent in iteritems(self.srs_extents):
# is_default is True when no explicit bbox is defined for this srs
# use layer extent
if extent.is_default:
bbox = layer.extent.bbox_for(SRS(srs))
elif layer.extent.is_default:
bbox = extent.bbox_for(SRS(srs))
else:
# Use intersection of srs_extent and layer.extent.
bbox = extent.intersection(layer.extent).bbox_for(SRS(srs))
if epsg_axis_order:
bbox = switch_bbox_epsg_axis_order(bbox, srs)
if srs in self.srs:
yield srs, bbox
# add native srs
layer_srs_code = layer.extent.srs.srs_code
if layer_srs_code not in self.srs_extents:
bbox = layer.extent.bbox
if epsg_axis_order:
bbox = switch_bbox_epsg_axis_order(bbox, layer_srs_code)
if layer_srs_code in self.srs:
yield layer_srs_code, bbox
def layer_srs_bbox(self, layer, epsg_axis_order=False):
layer_srs_code = layer.extent.srs.srs_code
for srs in self.bbox_srs:
bbox = layer.extent.bbox_for(SRS(srs))
if epsg_axis_order:
bbox = switch_bbox_epsg_axis_order(bbox, srs)
yield srs, bbox
# add native srs
if layer_srs_code not in self.bbox_srs:
bbox = layer.extent.bbox
if epsg_axis_order:
bbox = switch_bbox_epsg_axis_order(bbox, layer_srs_code)
yield layer_srs_code, bbox
def layer_srs_bbox(self, layer, epsg_axis_order=False):
layer_srs_code = layer.extent.srs.srs_code
for srs in self.bbox_srs:
bbox = layer.extent.bbox_for(SRS(srs))
if epsg_axis_order:
bbox = switch_bbox_epsg_axis_order(bbox, srs)
yield srs, bbox
# add native srs
if layer_srs_code not in self.bbox_srs:
bbox = layer.extent.bbox
if epsg_axis_order:
bbox = switch_bbox_epsg_axis_order(bbox, layer_srs_code)
yield layer_srs_code, bbox
def layer_srs_bbox(self, layer, epsg_axis_order=False):
layer_srs_code = layer.extent.srs.srs_code
for srs, extent in iteritems(self.srs_extents):
if extent.is_default:
bbox = layer.extent.bbox_for(SRS(srs))
else:
bbox = extent.bbox_for(SRS(srs))
if epsg_axis_order:
bbox = switch_bbox_epsg_axis_order(bbox, srs)
yield srs, bbox
# add native srs
if layer_srs_code not in self.srs_extents:
bbox = layer.extent.bbox
if epsg_axis_order:
bbox = switch_bbox_epsg_axis_order(bbox, layer_srs_code)
yield layer_srs_code, bbox
def layer_srs_bbox(self, layer, epsg_axis_order=False):
layer_srs_code = layer.extent.srs.srs_code
for srs, extent in self.srs_extents.iteritems():
if extent.is_default:
bbox = layer.extent.bbox_for(SRS(srs))
else:
bbox = extent.bbox_for(SRS(srs))
if epsg_axis_order:
bbox = switch_bbox_epsg_axis_order(bbox, srs)
yield srs, bbox
# add native srs
if layer_srs_code not in self.srs_extents:
bbox = layer.extent.bbox
if epsg_axis_order:
bbox = switch_bbox_epsg_axis_order(bbox, layer_srs_code)
yield layer_srs_code, bbox
def layer_bbox_srs(self, elem, parent_layer=None):
bbox_srs = {}
bbox_srs_elems = self.findall(elem, 'BoundingBox')
if len(bbox_srs_elems) > 0:
for bbox_srs_elem in bbox_srs_elems:
srs = bbox_srs_elem.attrib['CRS']
bbox = (bbox_srs_elem.attrib['minx'],
bbox_srs_elem.attrib['miny'],
bbox_srs_elem.attrib['maxx'],
bbox_srs_elem.attrib['maxy'])
bbox = [float(x) for x in bbox]
bbox = switch_bbox_epsg_axis_order(bbox, srs)
bbox_srs[srs] = bbox
elif parent_layer:
bbox_srs = parent_layer['bbox_srs']
return bbox_srs
def layer_bbox_srs(self, elem, parent_layer=None):
bbox_srs = {}
bbox_srs_elems = self.findall(elem, 'BoundingBox')
if len(bbox_srs_elems) > 0:
for bbox_srs_elem in bbox_srs_elems:
srs = bbox_srs_elem.attrib['CRS']
bbox = (
bbox_srs_elem.attrib['minx'],
bbox_srs_elem.attrib['miny'],
bbox_srs_elem.attrib['maxx'],
bbox_srs_elem.attrib['maxy']
)
bbox = [float(x) for x in bbox]
bbox = switch_bbox_epsg_axis_order(bbox, srs)
bbox_srs[srs] = bbox
elif parent_layer:
bbox_srs = parent_layer['bbox_srs']
return bbox_srs
