def publish_layer_group(geonode_map):
"""
Publishes local map layers as WMS layer group on local OWS.
"""
if 'geonode.geoserver' in settings.INSTALLED_APPS:
from geonode.geoserver.helpers import gs_catalog
from geoserver.layergroup import UnsavedLayerGroup as GsUnsavedLayerGroup
else:
raise Exception(
'Cannot publish layer group if geonode.geoserver is not in INSTALLED_APPS')
# temporary permission workaround:
# only allow public maps to be published
if not geonode_map.is_public:
return 'Only public maps can be saved as layer group.'
map_layers = MapLayer.objects.filter(map=geonode_map.id)
# Local Group Layer layers and corresponding styles
layers = []
lg_styles = []
for ml in map_layers:
if ml.local:
layer = Layer.objects.get(typename=ml.name)
style = ml.styles or getattr(layer.default_style, 'name', '')
layers.append(layer)
lg_styles.append(style)
lg_layers = [l.name for l in layers]
# Group layer bounds and name
lg_bounds = [
str(min(geonode_map.bbox_x0,geonode_map.bbox_x1)), # xmin
str(max(geonode_map.bbox_x0,geonode_map.bbox_x1)), # xmax
str(min(geonode_map.bbox_y0,geonode_map.bbox_y1)), # ymin
str(max(geonode_map.bbox_y0,geonode_map.bbox_y1)), # ymax
str(geonode_map.srid)]
# lg_bounds = [str(coord) for coord in geonode_map.bbox]
lg_name = '%s_%d' % (slugify(geonode_map.title), geonode_map.id)
# Update existing or add new group layer
lg = geonode_map.layer_group
if lg is None:
lg = GsUnsavedLayerGroup(
gs_catalog,
lg_name,
lg_layers,
lg_styles,
lg_bounds)
else:
lg.layers, lg.styles, lg.bounds = lg_layers, lg_styles, lg_bounds
gs_catalog.save(lg)
return lg_name
def publish_layer_group(self):
"""
Publishes local map layers as WMS layer group on local OWS.
"""
if check_ogc_backend(geoserver.BACKEND_PACKAGE):
from geonode.geoserver.helpers import gs_catalog
from geoserver.layergroup import UnsavedLayerGroup as GsUnsavedLayerGroup
else:
raise Exception(
'Cannot publish layer group if geonode.geoserver is not in INSTALLED_APPS')
# temporary permission workaround:
# only allow public maps to be published
if not self.is_public:
return 'Only public maps can be saved as layer group.'
map_layers = MapLayer.objects.filter(map=self.id)
# Local Group Layer layers and corresponding styles
layers = []
lg_styles = []
for ml in map_layers:
if ml.local:
layer = Layer.objects.get(alternate=ml.name)
style = ml.styles or getattr(layer.default_style, 'name', '')
layers.append(layer)
lg_styles.append(style)
lg_layers = [lyr.name for lyr in layers]
# Group layer bounds and name
lg_bounds = [str(coord) for coord in self.bbox]
lg_name = f'{slugify(self.title)}_{self.id}'
# Update existing or add new group layer
lg = self.layer_group
if lg is None:
lg = GsUnsavedLayerGroup(
gs_catalog,
lg_name,
lg_layers,
lg_styles,
lg_bounds)
else:
lg.layers, lg.styles, lg.bounds = lg_layers, lg_styles, lg_bounds
gs_catalog.save(lg)
return lg_name
def publish_layer_group(self):
"""
Publishes local map layers as WMS layer group on local OWS.
"""
# temporary permission workaround:
# only allow public maps to be published
if not self.is_public:
return 'Only public maps can be saved as layer group.'
map_layers = MapLayer.objects.filter(map=self.id)
# Local Group Layer layers and corresponding styles
layers = []
lg_styles = []
for ml in map_layers:
if ml.local:
layer = Layer.objects.get(typename=ml.name)
style = ml.styles or getattr(layer.default_style, 'name', '')
layers.append(layer)
lg_styles.append(style)
lg_layers = [l.name for l in layers]
# Group layer bounds and name
lg_bounds = [str(coord) for coord in self.bbox]
lg_name = '%s_%d' % (slugify(self.title), self.id)
# Update existing or add new group layer
cat = Catalog(ogc_server_settings.rest, _user, _password)
lg = self.layer_group
if lg is None:
lg = GsUnsavedLayerGroup(cat, lg_name, lg_layers, lg_styles,
lg_bounds)
else:
lg.layers, lg.styles, lg.bounds = lg_layers, lg_styles, lg_bounds
cat.save(lg)
return lg_name