def ipe_metadata(self):
if self._ipe_metadata is None:
try:
self._ipe_metadata = get_ipe_metadata(self.interface.gbdx_connection, self.ipe_id, self.ipe_node_id)
except BadRequest:
raise
return self._ipe_metadata
def metadata(self):
assert self.graph() is not None
if self._ipe_meta is not None:
return self._ipe_meta
if self._interface is not None:
self._ipe_meta = get_ipe_metadata(
self._interface.gbdx_futures_session, self._ipe_id, self._id)
return self._ipe_meta
def graph(self, conn=None):
if (self._ipe_id is not None and self._ipe_graph is not None):
return self._ipe_graph
_nodes = [{k: v
for k, v in node.items() if not k.startswith('_')}
for node in self._nodes]
graph = {"edges": self._edges, "nodes": _nodes}
if self._interface is not None and conn is None:
conn = self._interface.gbdx_futures_session
if conn is not None:
self._ipe_id = register_ipe_graph(conn, graph)
self._ipe_graph = graph
self._ipe_meta = get_ipe_metadata(conn, self._ipe_id, self._id)
return self._ipe_graph
return graph
def generate_vrt_template(conn, ipe_id, node, level, num_bands=None):
meta = get_ipe_metadata(conn, ipe_id, node=node)
image_md = meta['image']
if num_bands is None:
num_bands = image_md["numBands"]
tfm = meta['georef']
tile_size_x = image_md['tileXSize']
tile_size_y = image_md['tileYSize']
vrt = ET.Element("VRTDataset",
{"rasterXSize": str(image_md["imageWidth"]), "rasterYSize": str(image_md["imageHeight"])})
ET.SubElement(vrt, "SRS").text = tfm["spatialReferenceSystemCode"]
ET.SubElement(vrt, "GeoTransform").text = ", ".join(map(str, [tfm["translateX"],
tfm["scaleX"],
tfm["shearX"],
tfm["translateY"],
tfm["shearY"],
tfm["scaleY"]]))
for i in xrange(num_bands):
bidx = i + 1
band = ET.SubElement(vrt, "VRTRasterBand",
{"dataType": NODE_DATA_TYPES.get(node, "Float32"), "band": str(bidx)})
for x, y in product(xrange(image_md['numXTiles']), xrange(image_md['numYTiles'])):
src = ET.SubElement(band, "ComplexSource")
ET.SubElement(src,
"SourceFilename").text = "{baseurl}/tile/{bucket}/{ipe_graph_id}/{node}/{x}/{y}.tif".format(
baseurl=VIRTUAL_IPE_URL,
bucket="idaho-virtual",
ipe_graph_id=ipe_id,
node=node,
x=x,
y=y) + "$query"
ET.SubElement(src, "SourceBand").text = str(bidx)
ET.SubElement(src, "SrcRect", {"xOff": str(image_md["tileXOffset"]), "yOff": str(image_md["tileYOffset"]),
"xSize": str(tile_size_x), "ySize": str(tile_size_y)})
ET.SubElement(src, "DstRect", {"xOff": str(x * tile_size_x), "yOff": str(y * tile_size_y),
"xSize": str(tile_size_x), "ySize": str(tile_size_y)})
ET.SubElement(src, "SourceProperties", {"RasterXSize": str(tile_size_x), "RasterYSize": str(tile_size_y),
"BlockXSize": "256", "BlockYSize": "256",
"DataType": DTLOOKUP.get(meta["image"]["dataType"], "Float32")})
return ET.tostring(vrt, 'utf-8')
def ipe_metadata(self):
if self._ipe_metadata is None:
self._ipe_metadata = get_ipe_metadata(
self.interface.gbdx_connection, self.ipe_id, self.ipe_node_id)
return self._ipe_metadata
def test_ipe_metadata_error(self):
ipe_id = 'no_id'
try:
get_ipe_metadata(self.gbdx.gbdx_connection, ipe_id)
except BadRequest:
pass