def test_strds_info(self):
iface = ActiniaInterface(self.gconf)
status, info = iface.layer_info(
layer_name="latlong_wgs84.modis_ndvi_global.strds.ndvi_16_5600m")
pprint(info)
self.assertEqual(status, 200)
self.assertTrue("temporal_type" in info)
self.assertTrue("aggregation_type" in info)
self.assertTrue("creation_time" in info)
self.assertTrue("creator" in info)
self.assertTrue("granularity" in info)
self.assertTrue("modification_time" in info)
self.assertTrue("number_of_maps" in info)
def create_process_chain_entry(data_object: DataObject,
output_object: DataObject):
"""Create a Actinia process description that uses t.rast.series
and r.mapcalc to create a multilayer mask.
:param data_object: The input time series object
:param output_object: The name of the output raster map
:return: A Actinia process chain description
"""
output_temp_object = DataObject(name=f"{output_object.name}_temp",
datatype=GrassDataType.RASTER)
# get number of maps in input_time_series
iface = ActiniaInterface()
# this is not working because the input object might not yet exist
status_code, layer_data = iface.layer_info(
layer_name=data_object.grass_name())
if status_code != 200:
return make_response(
jsonify(
{
"description":
"An internal error occurred "
"while catching GRASS GIS layer information "
"for layer <%s>!\n Error: %s"
"" % (data_object, str(layer_data))
}, 400))
nmaps = layer_data['number_of_maps']
rn = randint(0, 1000000)
pc = [{
"id":
"t_rast_series_%i" % rn,
"module":
"t.rast.series",
"inputs": [{
"param": "input",
"value": data_object.grass_name()
}, {
"param": "method",
"value": "count"
}, {
"param": "output",
"value": output_temp_object.grass_name()
}],
"flags":
"t"
}, {
"id":
"r_mapcalc_%i" % rn,
"module":
"r.mapcalc",
"inputs": [{
"param": "expression",
"value": "%(result)s = int(if(%(raw)s < %(nmaps)s, 1, 0))" % {
"result": output_object.grass_name(),
"raw": output_temp_object.grass_name(),
"nmaps": str(nmaps)
}
}],
}]
# g.remove raster name=output_name_tmp -f ?
return pc
class CollectionInformationResource(Resource):
def __init__(self):
self.iface = ActiniaInterface()
def get(self, name):
# List strds maps from the GRASS location
location, mapset, datatype, layer = self.iface.layer_def_to_components(
name)
if location == "stac":
status_code, collection = self.iface.get_stac_collection(name=name)
if status_code != 200:
return make_response(
jsonify(
{
"id": "12345678",
"code": "Internal",
"message": "Server error: %s" %
(name),
"links": {}}),
500)
# Not using CollectionInformation model here for now
# as valid STAC collections comply.
# Using it here might omit some properties
# which are not modelled in this backend (e.g. assets)
return make_response(collection, 200)
status_code, layer_data = self.iface.layer_info(layer_name=name)
if status_code != 200:
return make_response(
jsonify(
{
"id": "12345678",
"code": "CollectionNotFound",
"message": "Collection '%s' does not exist." %
(name),
"links": {}}),
404)
# Get the projection from the GRASS mapset
status_code, mapset_info = self.iface.mapset_info(
location=location, mapset=mapset)
if status_code != 200:
return make_response(
jsonify(
{
"id": "12345678",
"code": "Internal",
"message": "Server error: %s" %
(mapset_info),
"links": {}}),
500)
extent = CollectionExtent(
spatial=(
float(
layer_data["west"]), float(
layer_data["south"]), float(
layer_data["east"]), float(
layer_data["north"])), temporal=(
"1900-01-01T00:00:00", "2100-01-01T00:00:00"))
title = "Raster dataset"
bands = []
dimensions = {"x": {
"type": "spatial",
"axis": "x",
"extent": [layer_data["west"], layer_data["east"]],
"reference_system": mapset_info["projection"]
},
"y": {
"type": "spatial",
"axis": "y",
"extent": [layer_data["south"], layer_data["north"]],
"reference_system": mapset_info["projection"]
},
}
platform = "unknown"
instrument = "unknown"
if datatype.lower() == "strds":
title = "Space time raster dataset"
start_time = layer_data["start_time"]
end_time = layer_data["end_time"]
if start_time:
start_time = start_time.replace(
" ",
"T").replace(
"'",
"").replace(
'"',
'')
if end_time:
end_time = end_time.replace(
" ",
"T").replace(
"'",
"").replace(
'"',
'')
dimensions['t'] = {"type": "temporal",
"extent": [start_time, end_time]
}
extent = CollectionExtent(
spatial=(
float(
layer_data["west"]), float(
layer_data["south"]), float(
layer_data["east"]), float(
layer_data["north"])), temporal=(
start_time, end_time))
if "semantic_labels" in layer_data:
bandlist = layer_data["semantic_labels"].split(',')
dimensions['bands'] = {"type": "bands",
"values": bandlist
}
for bandname in bandlist:
# not so nice, better use different name and common_name
# waiting for GRASS GIS
bands.append(EOBands(name=bandname, common_name=bandname))
# get platform and sensor
# see
# https://github.com/radiantearth/stac-spec/blob/master/item-spec/common-metadata.md#platform
# https://github.com/radiantearth/stac-spec/blob/master/item-spec/common-metadata.md#instruments
if "_" in bandlist[0]:
sensor_abbr = bandlist[0].split('_')[0]
if sensor_abbr == "L5":
platform = "landsat-5"
instrument = "tm, mss"
elif sensor_abbr == "L7":
platform = "landsat-7"
instrument = "etm+"
elif sensor_abbr == "L8":
platform = "landsat-8"
instrument = "oli, trs"
elif sensor_abbr == "S1":
platform = "sentinel-1"
instrument = "c-sar"
elif sensor_abbr == "S2":
platform = "sentinel-2"
instrument = "msi"
if datatype.lower() == "vector":
title = "Vector dataset"
description = "GRASS GIS location/mapset path: /%s/%s" % (
location, mapset)
crs = mapset_info["projection"]
coordinate_transform_extent_to_EPSG_4326(crs=crs, extent=extent)
# GRASS / actinia do not yet report platform and instrument
properties = (CollectionProperties(eo_platform=platform,
eo_instrument=instrument,
eo_bands=bands))
ci = CollectionInformation(id=name, title=title,
description=description,
extent=extent,
properties=properties,
dimensions=dimensions)
return ci.as_response(http_status=200)
class CollectionInformationResource(Resource):
def __init__(self):
self.iface = ActiniaInterface()
def get(self, name):
# List strds maps from the GRASS location
location, mapset, datatype, layer = self.iface.layer_def_to_components(
name)
status_code, layer_data = self.iface.layer_info(layer_name=name)
if status_code != 200:
return make_response(
jsonify(
{
"description":
"An internal error occurred "
"while catching GRASS GIS layer information "
"for layer <%s>!\n Error: %s"
"" % (name, str(layer_data))
}, 400))
# Get the projection from the GRASS mapset
status_code, mapset_info = self.iface.mapset_info(location=location,
mapset=mapset)
if status_code != 200:
return make_response(
jsonify(
{
"description":
"An internal error occurred "
"while catching mapset info "
"for mapset <%s>!" % mapset
}, 400))
extent = Extent(spatial=(float(layer_data["west"]),
float(layer_data["south"]),
float(layer_data["east"]),
float(layer_data["north"])))
title = "Raster dataset"
if datatype.lower() == "strds":
title = "Space time raster dataset"
extent = Extent(spatial=(float(layer_data["west"]),
float(layer_data["south"]),
float(layer_data["east"]),
float(layer_data["north"])),
temporal=(layer_data["start_time"],
layer_data["end_time"]))
if datatype.lower() == "vector":
title = "Vector dataset"
description = "GRASS GIS location/mapset path: /%s/%s" % (location,
mapset)
crs = mapset_info["projection"]
coorindate_transform_extent_to_EPSG_4326(crs=crs, extent=extent)
ci = CollectionInformation(name=name,
title=title,
description=description,
extent=extent)
return make_response(ci.to_json(), 200)
