def genRasterEnvelope(raster, outputShape):
"""
raster [string]
workingDir [string] workingDirectory
"""
rasterName = os.path.splitext(os.path.split(raster)[-1])[0]
minX, maxX, minY, maxY = fut.getRasterExtent(raster)
epsg = fut.getRasterProjectionEPSG(raster)
driver = ogr.GetDriverByName("ESRI Shapefile")
data_source = driver.CreateDataSource(outputShape)
srs = osr.SpatialReference()
srs.ImportFromEPSG(int(epsg))
out_lyr = data_source.CreateLayer(rasterName,
srs,
geom_type=ogr.wkbPolygon)
field_ext = ogr.FieldDefn("ext", ogr.OFTString)
field_ext.SetWidth(24)
out_lyr.CreateField(field_ext)
#geom
ul = (minX, maxY)
ur = (maxX, maxY)
lr = (maxX, minY)
ll = (minX, minY)
ring = ogr.Geometry(ogr.wkbLinearRing)
ring.AddPoint(ul[0], ul[1])
ring.AddPoint(ur[0], ur[1])
ring.AddPoint(lr[0], lr[1])
ring.AddPoint(ll[0], ll[1])
ring.AddPoint(ul[0], ul[1])
# Create polygon
poly = ogr.Geometry(ogr.wkbPolygon)
poly.AddGeometry(ring)
feature = ogr.Feature(out_lyr.GetLayerDefn())
feature.SetField("ext", "extent")
feature.SetGeometry(poly)
out_lyr.CreateFeature(feature)
feature = data_source = None
return outputShape
def createOutGrid(TileFolder, pattern, outputProjection, tileNameField,
outGridPath):
paths = getPaths(TileFolder, pattern)
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driver = ogr.GetDriverByName("ESRI Shapefile")
try:
if os.path.exists(outGridPath):
driver.DeleteDataSource(outGridPath)
output = driver.CreateDataSource(outGridPath)
except ValueError:
raise Exception("Could not create output datasource " + outGridPath)
srs = osr.SpatialReference()
srs.ImportFromEPSG(int(outputProjection))
layer = output.CreateLayer(outGridPath.split("/")[-1].replace(".shp", ""),
geom_type=ogr.wkbPolygon,
srs=srs)
layer.CreateField(ogr.FieldDefn(tileNameField, ogr.OFTString))
layerDef = layer.GetLayerDefn()
if layer is None:
raise Exception("Could not create output layer")
for currentTile in paths:
currentProjection = fu.getRasterProjectionEPSG(currentTile)
minX, maxX, minY, maxY = fu.getRasterExtent(currentTile)
upperL = (minX, maxY)
upperR = (maxX, maxY)
lowerL = (minX, minY)
lowerR = (maxX, minY)
upperL_out = converCoord(upperL, int(currentProjection),
int(outputProjection))
upperR_out = converCoord(upperR, int(currentProjection),
int(outputProjection))
lowerL_out = converCoord(lowerL, int(currentProjection),
int(outputProjection))
lowerR_out = converCoord(lowerR, int(currentProjection),
int(outputProjection))
TileName = getTileNameFromRaster(currentTile)
addTileToGrid(upperL_out, upperR_out, lowerR_out, lowerL_out, layer,
layerDef, tileNameField, TileName)
output.Destroy()
def extractMatrix(raster, shapeROI, fieldROI, valuesROI, groudTruth, dataField, outcsv):
vecToRaster = otb.Registry.CreateApplication("Rasterization")
vecToRaster.SetParameterString("im", raster)
vecToRaster.SetParameterString("epsg", str(fu.getRasterProjectionEPSG(raster)))
vecToRaster.SetParameterString("mode", "attribute")
vecToRaster.SetParameterString("in", shapeROI)
vecToRaster.SetParameterString("mode.attribute.field", fieldROI)
vecToRaster.SetParameterString("ram", "10000")
vecToRaster.Execute()
####### useless bandmath
useless = otb.Registry.CreateApplication("BandMath")
useless.SetParameterString("exp", "im1b1")
useless.SetParameterStringList("il", [raster])
useless.SetParameterString("ram", "10000")
useless.Execute()
#######
maskVal = otb.Registry.CreateApplication("BandMath")
exp = "("+"?1:".join(["im1b1=="+currentVal for currentVal in valuesROI])+"?1:0)*im2b1"
maskVal.SetParameterString("exp", exp)
maskVal.SetParameterString("ram", "10000")
maskVal.AddImageToParameterInputImageList("il", vecToRaster.GetParameterOutputImage("out"))
maskVal.AddImageToParameterInputImageList("il", useless.GetParameterOutputImage("out"))
maskVal.Execute()
confMatrix = otb.Registry.CreateApplication("ComputeConfusionMatrix")
confMatrix.SetParameterInputImage("in", maskVal.GetParameterOutputImage("out"))
confMatrix.SetParameterString("ref.vector.in", groudTruth)
confMatrix.SetParameterString("nodatalabel", "0")
confMatrix.SetParameterString("ref", "vector")
confMatrix.SetParameterString("out", outcsv)
confMatrix.SetParameterString("ram", "10000")
confMatrix.UpdateParameters()
confMatrix.SetParameterStringList("ref.vector.field", [dataField])
confMatrix.ExecuteAndWriteOutput()
def getTileOrigin(tile, S2Folder):
path = FileSearch_fast(S2Folder, True, tile)
epsgCode = fu.getRasterProjectionEPSG(path)
X, Y = getRasterOrigin(path)
return X, Y, int(epsgCode)
