def _create_raster_layer_objs(map_obj, extent, sr, data, filename_generator,
resample=None):
layer_obj = ms.layerObj(map_obj)
layer_obj.type = ms.MS_LAYER_RASTER
layer_obj.status = ms.MS_ON
layer_obj.data = data
layer_obj.offsite = ms.colorObj(0, 0, 0)
if extent:
layer_obj.setMetaData("wms_extent", "%f %f %f %f" % extent)
layer_obj.setExtent(*extent)
if sr.srid is not None:
short_epsg = "EPSG:%d" % sr.srid
layer_obj.setMetaData("ows_srs", short_epsg)
layer_obj.setMetaData("wms_srs", short_epsg)
layer_obj.setProjection(sr.proj)
if resample:
layer_obj.setProcessingKey('RESAMPLE', resample)
if extent and sr.srid and extent_crosses_dateline(extent, sr.srid):
wrapped_extent = wrap_extent_around_dateline(extent, sr.srid)
wrapped_layer_obj = ms.layerObj(map_obj)
wrapped_layer_obj.type = ms.MS_LAYER_RASTER
wrapped_layer_obj.status = ms.MS_ON
wrapped_data = filename_generator.generate()
vrt.with_extent(data, wrapped_extent, wrapped_data)
wrapped_layer_obj.data = wrapped_data
wrapped_layer_obj.offsite = ms.colorObj(0, 0, 0)
wrapped_layer_obj.setMetaData("ows_srs", short_epsg)
wrapped_layer_obj.setMetaData("wms_srs", short_epsg)
wrapped_layer_obj.setProjection(sr.proj)
wrapped_layer_obj.setExtent(*wrapped_extent)
wrapped_layer_obj.setMetaData(
"wms_extent", "%f %f %f %f" % wrapped_extent
)
return [layer_obj, wrapped_layer_obj]
else:
return [layer_obj]
def _group_layer(name, group=None):
""" Create group layer from a coverage."""
layer = ms.layerObj()
layer.name = name
if group:
layer.setMetaData("wms_layer_group", group)
return layer
def _create_polygon_layer(self, name):
layer = ms.layerObj()
layer.name = name
layer.type = ms.MS_LAYER_POLYGON
self.apply_styles(layer)
srid = 4326
layer.setProjection(crss.asProj4Str(srid))
layer.setMetaData("ows_srs", crss.asShortCode(srid))
layer.setMetaData("wms_srs", crss.asShortCode(srid))
layer.dump = True
layer.header = os.path.join(settings.PROJECT_DIR, "conf", "outline_template_header.html")
layer.template = os.path.join(settings.PROJECT_DIR, "conf", "outline_template_dataset.html")
layer.footer = os.path.join(settings.PROJECT_DIR, "conf", "outline_template_footer.html")
layer.setMetaData("gml_include_items", "all")
layer.setMetaData("wms_include_items", "all")
layer.addProcessing("ITEMS=identifier")
layer.offsite = ms.colorObj(0, 0, 0)
return layer
def _create_polygon_layer(self, name):
layer = ms.layerObj()
layer.name = name
layer.type = ms.MS_LAYER_POLYGON
self.apply_styles(layer)
srid = 4326
layer.setProjection(crss.asProj4Str(srid))
layer.setMetaData("ows_srs", crss.asShortCode(srid))
layer.setMetaData("wms_srs", crss.asShortCode(srid))
layer.dump = True
layer.header = os.path.join(settings.PROJECT_DIR, "conf", "outline_template_header.html")
layer.template = os.path.join(settings.PROJECT_DIR, "conf", "outline_template_dataset.html")
layer.footer = os.path.join(settings.PROJECT_DIR, "conf", "outline_template_footer.html")
layer.setMetaData("gml_include_items", "all")
layer.setMetaData("wms_include_items", "all")
layer.addProcessing("ITEMS=identifier")
layer.offsite = ms.colorObj(0, 0, 0)
return layer
def generate_group(self, name):
layer = ms.layerObj()
layer.name = name
layer.type = ms.MS_LAYER_POLYGON
layer.connectiontype = ms.MS_UNION
layer.connection = ""
self.apply_styles(layer, fill=True)
return layer
def generate_group(self, name):
layer = ms.layerObj()
layer.name = name
layer.type = ms.MS_LAYER_POLYGON
layer.connectiontype = ms.MS_UNION
layer.connection = ""
self.apply_styles(layer, fill=True)
return layer
def _create_mask_polygon_layer(name):
mask_layer = ms.layerObj()
mask_layer.name = name
mask_layer.type = ms.MS_LAYER_POLYGON
mask_layer.setMetaData("eoxs_geometry_reversed", "true")
cls = ms.classObj(mask_layer)
style = ms.styleObj(cls)
style.color.setRGB(0, 0, 0)
return mask_layer
def _create_mask_polygon_layer(name):
mask_layer = ms.layerObj()
mask_layer.name = name
mask_layer.type = ms.MS_LAYER_POLYGON
mask_layer.setMetaData("eoxs_geometry_reversed", "true")
cls = ms.classObj(mask_layer)
style = ms.styleObj(cls)
style.color.setRGB(0, 0, 0)
return mask_layer
def _create_polygon_layer(map_obj):
layer_obj = ms.layerObj(map_obj)
layer_obj.type = ms.MS_LAYER_POLYGON
layer_obj.status = ms.MS_ON
layer_obj.offsite = ms.colorObj(0, 0, 0)
srid = 4326
layer_obj.setProjection(crss.asProj4Str(srid))
layer_obj.setMetaData("ows_srs", crss.asShortCode(srid))
layer_obj.setMetaData("wms_srs", crss.asShortCode(srid))
layer_obj.dump = True
return layer_obj
def _data_layer(self, cov, name, extent=None, group=None, offsite=None,
wrapped=False, mask=None, indices=None, ropt=None):
""" Create plain data layer from a coverage."""
layer = ms.layerObj()
layer.name = name
layer.type = ms.MS_LAYER_RASTER
if extent:
layer.setMetaData("wms_extent", "%.12e %.12e %.12e %.12e"%extent)
layer.setExtent(*extent)
#layer.setMetaData(
# "wms_enable_request", "getcapabilities getmap getfeatureinfo"
#)
if wrapped:
# set the info for the connector to wrap this layer around the dateline
layer.setMetaData("eoxs_wrap_dateline", "true")
# set projection
sr = cov.spatial_reference
layer.setProjection(sr.proj)
layer.setMetaData("ows_srs", "EPSG:%d"%sr.srid)
layer.setMetaData("wms_srs", "EPSG:%d"%sr.srid)
if indices:
#layer.addProcessing("CLOSE_CONNECTION=CLOSE") #What it this good for?
layer.setProcessingKey("BANDS", ",".join("%d"%v for v in indices))
if group:
layer.setMetaData("wms_layer_group", group)
if offsite:
layer.offsite = offsite
else:
layer.offsite = self._offsite_color(cov.range_type, indices)
if ropt:
if ropt.scale_min is not None and ropt.scale_max is not None:
scale = "%d,%d"%(ropt.scale_min, ropt.scale_max)
layer.setProcessingKey("SCALE", scale)
elif ropt.scale_auto:
layer.setProcessingKey("SCALE", "AUTO")
if mask:
layer.mask = mask
return layer
def _polygon_masking_layer(cov, name, mask, group=None):
layer = ms.layerObj()
layer.name = name
layer.type = ms.MS_LAYER_POLYGON
#layer.setMetaData("eoxs_geometry_reversed", "true")
if group:
layer.setMetaData("wms_layer_group", group)
cls = ms.classObj(layer)
style = ms.styleObj(cls)
style.color.setRGB(0, 0, 0)
shape = ms.shapeObj.fromWKT(mask.wkt)
shape.initValues(1)
shape.setValue(0, cov.identifier)
# add feature to the layer
layer.addFeature(shape)
return layer
def _create_layer(self, coverage, name, extent=None, group=None, wrapped=False):
layer = ms.layerObj()
layer.name = name
layer.type = ms.MS_LAYER_RASTER
if extent:
layer.setMetaData("wms_extent", "%f %f %f %f" % extent)
layer.setExtent(*extent)
# layer.setMetaData(
# "wms_enable_request", "getcapabilities getmap getfeatureinfo"
# )
if wrapped:
# set the info for the connector to wrap this layer around the dateline
layer.setMetaData("eoxs_wrap_dateline", "true")
self._set_projection(layer, coverage.spatial_reference)
if group:
layer.group = group
return layer
def _create_layer(self, coverage, name, extent=None, group=None,
wrapped=False):
layer = ms.layerObj()
layer.name = name
layer.type = ms.MS_LAYER_RASTER
if extent:
layer.setMetaData("wms_extent", "%f %f %f %f" % extent)
layer.setExtent(*extent)
#layer.setMetaData(
# "wms_enable_request", "getcapabilities getmap getfeatureinfo"
#)
if wrapped:
# set the info for the connector to wrap this layer around the
# dateline
layer.setMetaData("eoxs_wrap_dateline", "true")
self._set_projection(layer, coverage.spatial_reference)
if group:
layer.group = group
return layer
def layer_for_coverage(self, coverage, native_format, version=None):
""" Helper method to generate a WCS enabled MapServer layer for a given
coverage.
"""
range_type = coverage.range_type
bands = list(range_type)
# create and configure layer
layer = ms.layerObj()
layer.name = coverage.identifier
layer.type = ms.MS_LAYER_RASTER
layer.setProjection(coverage.spatial_reference.proj)
extent = coverage.extent
size = coverage.size
resolution = ((extent[2] - extent[0]) / float(size[0]),
(extent[1] - extent[3]) / float(size[1]))
layer.setExtent(*extent)
ms.setMetaData(layer, {
"title": coverage.identifier,
"enable_request": "*"
}, namespace="ows")
ms.setMetaData(layer, {
"label": coverage.identifier,
"extent": "%.10g %.10g %.10g %.10g" % extent,
"resolution": "%.10g %.10g" % resolution,
"size": "%d %d" % size,
"bandcount": str(len(bands)),
"interval": "%f %f" % bands[0].allowed_values,
"significant_figures": "%d" % bands[0].significant_figures,
"rangeset_name": range_type.name,
"rangeset_label": range_type.name,
"imagemode": ms.gdalconst_to_imagemode_string(bands[0].data_type),
"formats": " ".join([
f.wcs10name if version.startswith("1.0") else f.mimeType
for f in self.get_wcs_formats()]
)
}, namespace="wcs")
if version is None or version.startswith("2.0"):
ms.setMetaData(layer, {
"band_names": " ".join([band.name for band in bands]),
}, namespace="wcs")
else:
ms.setMetaData(layer, {
"rangeset_axes": ",".join(band.name for band in bands),
}, namespace="wcs")
if native_format:
if version.startswith("1.0"):
native_format = next((
x.wcs10name for x in self.get_wcs_formats()
if x.mimeType == native_format), native_format
)
ms.setMetaData(layer, {
"native_format": native_format,
"nativeformat": native_format
}, namespace="wcs")
native_crs = "EPSG:%d" % coverage.spatial_reference.srid
all_crss = crss.getSupportedCRS_WCS(format_function=crss.asShortCode)
if native_crs in all_crss:
all_crss.remove(native_crs)
# setting the coverages CRS as the first one is important!
all_crss.insert(0, native_crs)
supported_crss = " ".join(all_crss)
layer.setMetaData("ows_srs", supported_crss)
layer.setMetaData("wcs_srs", supported_crss)
for band in bands:
ms.setMetaData(layer, {
"band_description": band.description,
"band_definition": band.definition,
"band_uom": band.uom,
}, namespace=band.name)
# For MS WCS 1.x interface
ms.setMetaData(layer, {
"label": band.name,
"interval": "%d %d" % band.allowed_values
}, namespace="wcs_%s" % band.name)
if bands[0].nil_value_set:
nilvalues = " ".join(
str(nil_value.value) for nil_value in bands[0].nil_value_set
)
nilvalues_reasons = " ".join(
nil_value.reason for nil_value in bands[0].nil_value_set
)
if nilvalues:
ms.setMetaData(layer, {
"nilvalues": nilvalues,
"nilvalues_reasons": nilvalues_reasons
}, namespace="wcs")
return layer
def layer_for_coverage(self, coverage, native_format, version=None):
""" Helper method to generate a WCS enabled MapServer layer for a given
coverage.
"""
range_type = coverage.range_type
bands = list(range_type)
# create and configure layer
layer = ms.layerObj()
layer.name = coverage.identifier
layer.type = ms.MS_LAYER_RASTER
layer.setProjection(coverage.spatial_reference.proj)
extent = coverage.extent
size = coverage.size
resolution = ((extent[2] - extent[0]) / float(size[0]),
(extent[1] - extent[3]) / float(size[1]))
layer.setExtent(*extent)
ms.setMetaData(layer, {
"title": coverage.identifier,
"enable_request": "*"
},
namespace="ows")
ms.setMetaData(layer, {
"label":
coverage.identifier,
"extent":
"%.10g %.10g %.10g %.10g" % extent,
"resolution":
"%.10g %.10g" % resolution,
"size":
"%d %d" % size,
"bandcount":
str(len(bands)),
"interval":
"%f %f" % bands[0].allowed_values,
"significant_figures":
"%d" % bands[0].significant_figures,
"rangeset_name":
range_type.name,
"rangeset_label":
range_type.name,
"imagemode":
ms.gdalconst_to_imagemode_string(bands[0].data_type),
"formats":
" ".join([
f.wcs10name if version.startswith("1.0") else f.mimeType
for f in self.get_wcs_formats()
])
},
namespace="wcs")
if version is None or version.startswith("2.0"):
ms.setMetaData(
layer, {
"band_names": " ".join([band.name for band in bands]),
},
namespace="wcs")
else:
ms.setMetaData(
layer, {
"rangeset_axes": ",".join(band.name for band in bands),
},
namespace="wcs")
if native_format:
if version.startswith("1.0"):
native_format = next(
(x.wcs10name for x in self.get_wcs_formats()
if x.mimeType == native_format), native_format)
ms.setMetaData(layer, {
"native_format": native_format,
"nativeformat": native_format
},
namespace="wcs")
native_crs = "EPSG:%d" % coverage.spatial_reference.srid
all_crss = crss.getSupportedCRS_WCS(format_function=crss.asShortCode)
if native_crs in all_crss:
all_crss.remove(native_crs)
# setting the coverages CRS as the first one is important!
all_crss.insert(0, native_crs)
supported_crss = " ".join(all_crss)
layer.setMetaData("ows_srs", supported_crss)
layer.setMetaData("wcs_srs", supported_crss)
for band in bands:
ms.setMetaData(layer, {
"band_description": band.description,
"band_definition": band.definition,
"band_uom": band.uom,
},
namespace=band.name)
# For MS WCS 1.x interface
ms.setMetaData(layer, {
"label": band.name,
"interval": "%d %d" % band.allowed_values
},
namespace="wcs_%s" % band.name)
if bands[0].nil_value_set:
nilvalues = " ".join(
str(nil_value.value) for nil_value in bands[0].nil_value_set)
nilvalues_reasons = " ".join(
nil_value.reason for nil_value in bands[0].nil_value_set)
if nilvalues:
ms.setMetaData(layer, {
"nilvalues": nilvalues,
"nilvalues_reasons": nilvalues_reasons
},
namespace="wcs")
return layer
def get_empty_layers(self, name):
layer = ms.layerObj()
layer.name = name
layer.setMetaData("wms_enable_request", "getmap")
return (layer,)
def setup_map(self, layer_selection, map_, options):
group_layers = SortedDict()
session = ConnectorSession(options)
# set up group layers before any "real" layers
for collections, _, name, suffix in tuple(layer_selection.walk()):
if not collections:
continue
# get a factory for the given suffix
factory = self.get_layer_factory(suffix)
if not factory:
# raise or pass?
continue
# get the groups name, which is the name of the collection + the
# suffix
group_name = collections[-1].identifier + (suffix or "")
# generate a group layer
group_layer = factory.generate_group(group_name)
group_layers[group_name] = group_layer
# set up the actual layers for each coverage
for collections, coverage, name, suffix in layer_selection.walk():
# get a factory for the given coverage and suffix
factory = self.get_layer_factory(suffix)
group_layer = None
group_name = None
if collections:
group_name = collections[-1].identifier + (suffix or "")
group_layer = group_layers.get(group_name)
if not coverage:
# add an empty layer to not produce errors out of bounds.
if name:
tmp_layer = ms.layerObj()
tmp_layer.name = (name + suffix) if suffix else name
layers_and_data_items = ((tmp_layer, ()),)
else:
layers_and_data_items = ()
elif not factory:
tmp_layer = ms.layerObj()
tmp_layer.name = name
layers_and_data_items = ((tmp_layer, ()),)
else:
data_items = coverage.data_items.all()
coverage.cached_data_items = data_items
layers_and_data_items = tuple(factory.generate(
coverage, group_layer, suffix, options
))
for layer, data_items in layers_and_data_items:
connector = self.get_connector(data_items)
if group_name:
layer.setMetaData("wms_layer_group", "/" + group_name)
session.add(connector, coverage, data_items, layer)
coverage_layers = [layer for _, layer, _ in session.coverage_layers]
for layer in chain(group_layers.values(), coverage_layers):
old_layer = map_.getLayerByName(layer.name)
if old_layer:
# remove the old layer and reinsert the new one, to
# raise the layer to the top.
# TODO: find a more efficient way to do this
map_.removeLayer(old_layer.index)
map_.insertLayer(layer)
# apply any styles
# TODO: move this to map/legendgraphic renderer only?
for coverage, layer, data_items in session.coverage_layers:
for applicator in self.style_applicators:
applicator.apply(coverage, data_items, layer)
return session
def generate_group(self, name):
layer = ms.layerObj()
layer.name = name
layer.type = ms.MS_LAYER_RASTER
return layer
def layer_for_coverage(self, coverage, native_format, version=None):
""" Helper method to generate a WCS enabled MapServer layer for a given
coverage.
"""
range_type = coverage.range_type
bands = list(range_type)
coverage_identifier = coverage.identifier
if version and version.startswith('2'):
try:
models.identifier_validators[0](coverage_identifier)
except Exception:
coverage_identifier = 'not-ncname'
# create and configure layer
layer = ms.layerObj()
layer.name = coverage_identifier
layer.type = ms.MS_LAYER_RASTER
sr = coverage.grid.spatial_reference
layer.setProjection(sr.proj)
extent = coverage.extent
size = coverage.size
resolution = ((extent[2] - extent[0]) / float(size[0]),
(extent[1] - extent[3]) / float(size[1]))
layer.setExtent(*extent)
ms.setMetaData(layer, {
"title": coverage_identifier,
"enable_request": "*"
},
namespace="ows")
data_type = bands[0].data_type
if bands[0].allowed_values:
interval = bands[0].allowed_values[0]
else:
interval = gdal.GDT_NUMERIC_LIMITS[data_type]
if bands[0].significant_figures is not None:
significant_figures = bands[0].significant_figures
else:
significant_figures = gdal.GDT_SIGNIFICANT_FIGURES[data_type]
ms.setMetaData(layer, {
"label":
coverage_identifier,
"extent":
"%.10g %.10g %.10g %.10g" % extent,
"resolution":
"%.10g %.10g" % resolution,
"size":
"%d %d" % size,
"bandcount":
str(len(bands)),
"interval":
"%f %f" % interval,
"significant_figures":
"%d" % significant_figures,
"rangeset_name":
range_type.name,
"rangeset_label":
range_type.name,
"imagemode":
ms.gdalconst_to_imagemode_string(bands[0].data_type),
"formats":
" ".join([
f.wcs10name if version.startswith("1.0") else f.mimeType
for f in self.get_wcs_formats()
])
},
namespace="wcs")
if version is None or version.startswith("2.0"):
ms.setMetaData(
layer, {
"band_names": " ".join([band.identifier
for band in bands]),
},
namespace="wcs")
else:
ms.setMetaData(
layer, {
"rangeset_axes": ",".join(band.identifier
for band in bands),
},
namespace="wcs")
if native_format:
if version.startswith("1.0"):
native_format = next(
(x.wcs10name for x in self.get_wcs_formats()
if x.mimeType == native_format), native_format)
ms.setMetaData(layer, {
"native_format": native_format,
"nativeformat": native_format
},
namespace="wcs")
native_crs = "EPSG:%d" % sr.srid
all_crss = list(
crss.getSupportedCRS_WCS(format_function=crss.asShortCode))
if native_crs in all_crss:
all_crss.remove(native_crs)
# setting the coverages CRS as the first one is important!
all_crss.insert(0, native_crs)
supported_crss = " ".join(all_crss)
layer.setMetaData("ows_srs", supported_crss)
layer.setMetaData("wcs_srs", supported_crss)
for band in bands:
ms.setMetaData(layer, {
"band_description": band.description,
"band_definition": band.definition,
"band_uom": band.unit_of_measure,
},
namespace=band.identifier)
if band.allowed_values:
interval = band.allowed_values[0]
else:
interval = gdal.GDT_NUMERIC_LIMITS[band.data_type]
# For MS WCS 1.x interface
ms.setMetaData(layer, {
"label": band.identifier,
"interval": "%d %d" % interval
},
namespace="wcs_%s" % band.identifier)
if bands[0].nil_values:
nilvalues, nilvalues_reasons = zip(
*[[nv[0], nv[1]] for nv in bands[0].nil_values])
if nilvalues:
ms.setMetaData(layer, {
"nilvalues": " ".join(nilvalues),
"nilvalues_reasons": " ".join(nilvalues_reasons)
},
namespace="wcs")
return layer
def generate_group(self, name):
layer = ms.layerObj()
layer.name = name
layer.type = ms.MS_LAYER_RASTER
return layer
