Commit 095f2340 authored by Mario Chirinos Colunga's avatar Mario Chirinos Colunga 💬

wkt raster

parent 82103d9b
......@@ -27,12 +27,12 @@ def createLayer(wkt, layerName="wkt"):
#-------------------------------------------------------------------------------
def getPolygonArray(image, wkt):
rows, cols, geotransform = image.RasterYSize, image.RasterXSize, image.GetGeoTransform()
print(rows, cols, geotransform)
sr = osr.SpatialReference()
sr.ImportFromWkt(image.GetProjection())
driverTiff = gdal.GetDriverByName('GTiff')
polygonRaster = driverTiff.Create("polygonTmp.tiff", cols, rows, 1, gdal.GDT_Byte)
polygonRaster = driverTiff.Create("polygonTmp.tif", cols, rows, 1, gdal.GDT_Byte)
#Set up polygon raster
polygonRaster.GetRasterBand(1).SetNoDataValue(-99)
......@@ -52,7 +52,7 @@ def getPolygonArray(image, wkt):
geometry = ogr.CreateGeometryFromWkt(wkt)
feature = ogr.Feature(layer.GetLayerDefn())
feature.SetStyleString("PEN(c:#FF0000,w:5px);")
# feature.SetStyleString("PEN(c:#FF0000,w:5px);")
feature.SetGeometry(geometry)
layer.CreateFeature(feature)
......@@ -61,6 +61,7 @@ def getPolygonArray(image, wkt):
np_polygon = polygonRaster.GetRasterBand(1).ReadAsArray(0,0,cols,rows)
feature = None
data_source = None
polygonRaster = None
......@@ -79,46 +80,50 @@ def rasterWkt(wkt, inputfile, outputfile):
sr.ImportFromWkt(inputImage.GetProjection())
# Read the input bands as numpy arrays.
print("driver")
driverTiff = gdal.GetDriverByName('GTiff')
output = driverTiff.Create(outputfile, cols, rows, 3, gdal.GDT_Byte)
polygonRaster = driverTiff.Create("polygonTmp.tif", cols, rows, 1, gdal.GDT_Byte)
output = driverTiff.Create(outputfile, cols, rows, inputImage.RasterCount, gdal.GDT_Byte)
# polygonRaster = driverTiff.Create("polygonTmp.tif", cols, rows, 1, gdal.GDT_Byte)
#Set up polygon raster
polygonRaster.GetRasterBand(1).SetNoDataValue(-99)
polygonRaster.GetRasterBand(1).WriteArray(np.zeros((rows, cols)))
polygonRaster.GetRasterBand(1).FlushCache()
polygonRaster.SetGeoTransform(geotransform)
polygonRaster.SetGeoTransform(geotransform)
polygonRaster.SetProjection(sr.ExportToWkt())
# #Set up polygon raster
# polygonRaster.GetRasterBand(1).SetNoDataValue(-99)
# polygonRaster.GetRasterBand(1).WriteArray(np.zeros((rows, cols)))
# polygonRaster.GetRasterBand(1).FlushCache()
# polygonRaster.SetGeoTransform(geotransform)
# polygonRaster.SetGeoTransform(geotransform)
# polygonRaster.SetProjection(sr.ExportToWkt())
# print("Shapefile")
# # shapefile
# driver = ogr.GetDriverByName("ESRI Shapefile")
# data_source = driver.CreateDataSource("myShape.shp")
# shapefile
driver = ogr.GetDriverByName("ESRI Shapefile")
data_source = driver.CreateDataSource("myShape.shp")
# print("Burn Polygon")
# #Burn Polygon
# srs = osr.SpatialReference()
# srs.ImportFromEPSG(4326)
#Burn Polygon
srs = osr.SpatialReference()
srs.ImportFromEPSG(4326)
layer = data_source.CreateLayer("wkt", srs, ogr.wkbPolygon)
geometry = ogr.CreateGeometryFromWkt(wkt)
feature = ogr.Feature(layer.GetLayerDefn())
# layer = data_source.CreateLayer("wkt", srs, ogr.wkbPolygon)
# geometry = ogr.CreateGeometryFromWkt(wkt)
# feature = ogr.Feature(layer.GetLayerDefn())
feature.SetStyleString("PEN(c:#FF0000,w:5px);")
feature.SetGeometry(geometry)
layer.CreateFeature(feature)
# print("features")
# feature.SetStyleString("PEN(c:#FF0000,w:5px);")
# feature.SetGeometry(geometry)
# layer.CreateFeature(feature)
gdal.RasterizeLayer(polygonRaster, [1], layer, burn_values=[255])
polygonRaster.GetRasterBand(1).FlushCache()
# gdal.RasterizeLayer(polygonRaster, [1], layer, burn_values=[255])
# polygonRaster.GetRasterBand(1).FlushCache()
#Draw output image
np_polygon = polygonRaster.GetRasterBand(1).ReadAsArray(0,0,cols,rows)
## Draw output image
# np_polygon = polygonRaster.GetRasterBand(1).ReadAsArray(0,0,cols,rows)
# np_polygon = getPolygonArray(inputImage, wkt)
print("Setup")
for b in range(1, output.RasterCount+1):
np_input = inputImage.GetRasterBand(b).ReadAsArray(0,0,cols,rows)
np_input = np_polygon & inputImage.GetRasterBand(b).ReadAsArray(0,0,cols,rows)
output.GetRasterBand(b).SetNoDataValue(-99)
output.GetRasterBand(b).WriteArray(np_input)
output.GetRasterBand(b).FlushCache()
......@@ -126,13 +131,13 @@ def rasterWkt(wkt, inputfile, outputfile):
output.SetGeoTransform(geotransform)
output.SetProjection(sr.ExportToWkt())
print("end")
#Close files
feature = None
data_source = None
# feature = None
# data_source = None
# polygonRaster = None
output = None
polygonRaster = None
inputImage = None
def main(argv):
rasterWkt(argv[1], argv[2], argv[3])
......
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