def create_from_layer_list(user, layers, title, abstract):
newmap = Map()
"""Copied from maps.models and fixed
"""
newmap.owner = user
newmap.title = title
newmap.abstract = abstract
newmap.projection = "EPSG:900913"
newmap.zoom = 0
newmap.center_x = 0
newmap.center_y = 0
#bbox = None
index = 0
incr_bbox = None
DEFAULT_BASE_LAYERS = settings.MAP_BASELAYERS
is_published = True
if settings.RESOURCE_PUBLISHING:
is_published = False
newmap.is_published = is_published
# Save the map in order to create an id in the database
# used below for the maplayers.
newmap.save()
# Add background layers
for layer in DEFAULT_BASE_LAYERS:
logger.info("Adding baselayer %r", layer)
maplayer = layer_from_viewer_config(
MapLayer,
layer,
layer['source'], # source
index)
if not maplayer.group == 'background':
logger.info("Skipping not base layer %r", layer)
continue
if 'name' not in layer or not layer['name']:
logger.info("Unnamed base layer %r", layer)
maplayer.name = 'UNNAMED BACKGROUND LAYER'
maplayer.map = newmap
maplayer.save()
index += 1
# Add local layers
for layer in layers:
if not isinstance(layer, Layer):
try:
layer = Layer.objects.get(typename=layer)
except ObjectDoesNotExist:
raise Exception('Could not find layer with name %s' % layer)
if not user.has_perm('base.view_resourcebase',
obj=layer.resourcebase_ptr):
# invisible layer, skip inclusion or raise Exception?
raise Exception(
'User %s tried to create a map with layer %s without having premissions'
% (user, layer))
### Add required parameters for GXP lazy-loading
# compute (incremental) bbox
layer_bbox = layer.bbox
if incr_bbox is None:
incr_bbox = list(layer_bbox[0:4])
else:
incr_bbox[0] = min(incr_bbox[0], layer_bbox[0])
incr_bbox[1] = max(incr_bbox[1], layer_bbox[1])
incr_bbox[2] = min(incr_bbox[2], layer_bbox[2])
incr_bbox[3] = max(incr_bbox[3], layer_bbox[3])
config = layer.attribute_config()
config["title"] = layer.title
config["queryable"] = True
config[
"srs"] = layer.srid if layer.srid != "EPSG:4326" else "EPSG:900913"
config["bbox"] = llbbox_to_mercator(
[float(coord) for coord in incr_bbox])
#if layer.storeType == "remoteStore":
#service = layer.service
#maplayer = MapLayer(map=map_obj,
#name=layer.typename,
#ows_url=layer.ows_url,
#layer_params=json.dumps(config),
#visibility=True,
#source_params=json.dumps({
#"ptype": service.ptype,
#"remote": True,
#"url": service.base_url,
#"name": service.name}))
#else:
#maplayer = MapLayer(
#map=map_obj,
#name=layer.typename,
#ows_url=layer.ows_url,
#layer_params=json.dumps(config),
#visibility=True
#)
MapLayer.objects.create(map=newmap,
name=layer.typename,
ows_url=layer.ows_url,
stack_order=index,
visibility=True,
layer_params=json.dumps(config))
index += 1
# Set bounding box based on all layers extents.
bbox = newmap.get_bbox_from_layers(newmap.local_layers)
newmap.set_bounds_from_bbox(bbox)
newmap.set_missing_info()
# Save again to persist the zoom and bbox changes and
# to generate the thumbnail.
newmap.save()
return newmap
def create_from_layer_list(user, layers, title, abstract):
newmap = Map()
"""Copied from maps.models and fixed
"""
newmap.owner = user
newmap.title = title
newmap.abstract = abstract
newmap.projection = "EPSG:900913"
newmap.zoom = 0
newmap.center_x = 0
newmap.center_y = 0
#bbox = None
index = 0
incr_bbox = None
DEFAULT_BASE_LAYERS = settings.MAP_BASELAYERS
is_published = True
if settings.RESOURCE_PUBLISHING:
is_published = False
newmap.is_published = is_published
# Save the map in order to create an id in the database
# used below for the maplayers.
newmap.save()
# Add background layers
for layer in DEFAULT_BASE_LAYERS:
logger.info("Adding baselayer %r", layer)
maplayer = layer_from_viewer_config(MapLayer,
layer,
layer['source'], # source
index)
if not maplayer.group == 'background':
logger.info("Skipping not base layer %r", layer)
continue
if 'name' not in layer or not layer['name']:
logger.info("Unnamed base layer %r", layer)
maplayer.name = 'UNNAMED BACKGROUND LAYER'
maplayer.map = newmap
maplayer.save()
index += 1
# Add local layers
for layer in layers:
if not isinstance(layer, Layer):
try:
layer = Layer.objects.get(typename=layer)
except ObjectDoesNotExist:
raise Exception(
'Could not find layer with name %s' %
layer)
if not user.has_perm(
'base.view_resourcebase',
obj=layer.resourcebase_ptr):
# invisible layer, skip inclusion or raise Exception?
raise Exception(
'User %s tried to create a map with layer %s without having premissions' %
(user, layer))
### Add required parameters for GXP lazy-loading
# compute (incremental) bbox
layer_bbox = layer.bbox
if incr_bbox is None:
incr_bbox = list(layer_bbox[0:4])
else:
incr_bbox[0] = min(incr_bbox[0], layer_bbox[0])
incr_bbox[1] = max(incr_bbox[1], layer_bbox[1])
incr_bbox[2] = min(incr_bbox[2], layer_bbox[2])
incr_bbox[3] = max(incr_bbox[3], layer_bbox[3])
config = layer.attribute_config()
config["title"] = layer.title
config["queryable"] = True
config["srs"] = layer.srid if layer.srid != "EPSG:4326" else "EPSG:900913"
config["bbox"] = llbbox_to_mercator([float(coord) for coord in incr_bbox])
#if layer.storeType == "remoteStore":
#service = layer.service
#maplayer = MapLayer(map=map_obj,
#name=layer.typename,
#ows_url=layer.ows_url,
#layer_params=json.dumps(config),
#visibility=True,
#source_params=json.dumps({
#"ptype": service.ptype,
#"remote": True,
#"url": service.base_url,
#"name": service.name}))
#else:
#maplayer = MapLayer(
#map=map_obj,
#name=layer.typename,
#ows_url=layer.ows_url,
#layer_params=json.dumps(config),
#visibility=True
#)
MapLayer.objects.create(
map=newmap,
name=layer.typename,
ows_url=layer.ows_url,
stack_order=index,
visibility=True,
layer_params=json.dumps(config)
)
index += 1
# Set bounding box based on all layers extents.
bbox = newmap.get_bbox_from_layers(newmap.local_layers)
newmap.set_bounds_from_bbox(bbox)
newmap.set_missing_info()
# Save again to persist the zoom and bbox changes and
# to generate the thumbnail.
newmap.save()
return newmap
