def configure_legend(self):
if not super().configure_legend():
legend_layers = [la for la in self.layers if la.has_legend]
if legend_layers:
self.legend = gws.Legend(enabled=True,
layers=legend_layers,
options=self.var('legend.options',
default={}))
return True
def configure_legend(self):
if not super().configure_legend():
if self.source_layer.legend_url:
self.legend = gws.Legend(
enabled=True,
urls=[self.source_layer.legend_url],
cache_max_age=self.var('legend.cacheMaxAge', default=0),
options=self.var('legend.options', default={}))
return True
def configure_legend(self):
if not super().configure_legend():
self.legend = gws.Legend(enabled=True,
urls=[
self.provider.legend_url(
self.source_layers,
self.var('legend.options'))
])
return True
def handle_getlegendgraphic(self, rd: core.Request):
lcs = self.layer_caps_list_from_request(rd, ['layer', 'layers'],
self.SCOPE_LEAF)
if not lcs:
raise gws.base.web.error.NotFound('No layers found')
out = gws.gis.legend.render(
gws.Legend(layers=[lc.layer for lc in lcs if lc.has_legend]))
return gws.ContentResponse(mime='image/png',
content=gws.gis.legend.to_bytes(out)
or gws.lib.image.PIXEL_PNG8)
def handle_getlegendgraphic(self, rd: core.Request):
# https://docs.geoserver.org/stable/en/user/services/wms/get_legend_graphic/index.html
# @TODO currently only support 'layer'
lcs = self.layer_caps_list_from_request(rd, ['layer', 'layers'], self.SCOPE_LAYER)
if not lcs:
raise gws.base.web.error.NotFound('No layers found')
out = gws.gis.legend.render(gws.Legend(layers=[lc.layer for lc in lcs if lc.has_legend]))
return gws.ContentResponse(
mime=gws.lib.mime.PNG,
content=gws.gis.legend.to_bytes(out) or gws.lib.image.PIXEL_PNG8)
def _render_legend(self, kwargs):
layers = self._legend_layers(kwargs)
if not layers:
raise gws.Error('no legend layers')
lro = gws.gis.legend.render(gws.Legend(layers=layers))
if not lro:
raise gws.Error('no legend output')
img_path = gws.gis.legend.to_image_path(lro)
if not img_path:
raise gws.Error('no legend image path')
self.legend_count += 1
return f'<img src="{img_path}"/>'