Commit 8fa3388b authored by Mario Chirinos Colunga's avatar Mario Chirinos Colunga 💬

wkt raster

parent da6e1968
...@@ -73,52 +73,53 @@ def rasterWkt(wkt, inputfile, outputfile): ...@@ -73,52 +73,53 @@ def rasterWkt(wkt, inputfile, outputfile):
print (wkt) print (wkt)
print (inputfile) print (inputfile)
print (outputfile) print (outputfile)
intput = gdal.Open(inputfile) inputImage = gdal.Open(inputfile)
rows, cols, geotransform = intput.RasterYSize, intput.RasterXSize, intput.GetGeoTransform() rows, cols, geotransform = inputImage.RasterYSize, inputImage.RasterXSize, inputImage.GetGeoTransform()
sr = osr.SpatialReference() sr = osr.SpatialReference()
sr.ImportFromWkt(intput.GetProjection()) sr.ImportFromWkt(inputImage.GetProjection())
# Read the input bands as numpy arrays. # Read the input bands as numpy arrays.
print("driver")
driverTiff = gdal.GetDriverByName('GTiff') driverTiff = gdal.GetDriverByName('GTiff')
output = driverTiff.Create(outputfile, cols, rows, 3, gdal.GDT_Byte) output = driverTiff.Create(outputfile, cols, rows, output.RasterCount(), gdal.GDT_Byte)
polygonRaster = driverTiff.Create("polygonTmp.tif", cols, rows, 1, gdal.GDT_Byte) # polygonRaster = driverTiff.Create("polygonTmp.tif", cols, rows, 1, gdal.GDT_Byte)
#Set up polygon raster # #Set up polygon raster
polygonRaster.GetRasterBand(1).SetNoDataValue(-99) # polygonRaster.GetRasterBand(1).SetNoDataValue(-99)
polygonRaster.GetRasterBand(1).WriteArray(np.zeros((rows, cols))) # polygonRaster.GetRasterBand(1).WriteArray(np.zeros((rows, cols)))
polygonRaster.GetRasterBand(1).FlushCache() # polygonRaster.GetRasterBand(1).FlushCache()
polygonRaster.SetGeoTransform(geotransform) # polygonRaster.SetGeoTransform(geotransform)
polygonRaster.SetGeoTransform(geotransform) # polygonRaster.SetGeoTransform(geotransform)
polygonRaster.SetProjection(sr.ExportToWkt()) # polygonRaster.SetProjection(sr.ExportToWkt())
# shapefile # # shapefile
driver = ogr.GetDriverByName("ESRI Shapefile") # driver = ogr.GetDriverByName("ESRI Shapefile")
data_source = driver.CreateDataSource("myShape.shp") # data_source = driver.CreateDataSource("myShape.shp")
#Burn Polygon # #Burn Polygon
srs = osr.SpatialReference() # srs = osr.SpatialReference()
srs.ImportFromEPSG(4326) # srs.ImportFromEPSG(4326)
layer = data_source.CreateLayer("wkt", srs, ogr.wkbPolygon) # layer = data_source.CreateLayer("wkt", srs, ogr.wkbPolygon)
geometry = ogr.CreateGeometryFromWkt(wkt) # geometry = ogr.CreateGeometryFromWkt(wkt)
feature = ogr.Feature(layer.GetLayerDefn()) # feature = ogr.Feature(layer.GetLayerDefn())
feature.SetStyleString("PEN(c:#FF0000,w:5px);") # feature.SetStyleString("PEN(c:#FF0000,w:5px);")
feature.SetGeometry(geometry) # feature.SetGeometry(geometry)
layer.CreateFeature(feature) # layer.CreateFeature(feature)
gdal.RasterizeLayer(polygonRaster, [1], layer, burn_values=[255]) # gdal.RasterizeLayer(polygonRaster, [1], layer, burn_values=[255])
polygonRaster.GetRasterBand(1).FlushCache() # polygonRaster.GetRasterBand(1).FlushCache()
#Draw output image #Draw output image
np_polygon = polygonRaster.GetRasterBand(1).ReadAsArray(0,0,cols,rows) # np_polygon = polygonRaster.GetRasterBand(1).ReadAsArray(0,0,cols,rows)
# np_polygon = getPolygonArray(intput, wkt) # np_polygon = getPolygonArray(inputImage, wkt)
print("Setup")
for b in range(1, output.RasterCount+1): for b in range(1, output.RasterCount+1):
np_input = intput.GetRasterBand(b).ReadAsArray(0,0,cols,rows) np_input = inputImage.GetRasterBand(b).ReadAsArray(0,0,cols,rows)
output.GetRasterBand(b).SetNoDataValue(-99) output.GetRasterBand(b).SetNoDataValue(-99)
output.GetRasterBand(b).WriteArray(np_input) output.GetRasterBand(b).WriteArray(np_input)
output.GetRasterBand(b).FlushCache() output.GetRasterBand(b).FlushCache()
...@@ -126,13 +127,13 @@ def rasterWkt(wkt, inputfile, outputfile): ...@@ -126,13 +127,13 @@ def rasterWkt(wkt, inputfile, outputfile):
output.SetGeoTransform(geotransform) output.SetGeoTransform(geotransform)
output.SetProjection(sr.ExportToWkt()) output.SetProjection(sr.ExportToWkt())
print("end")
#Close files #Close files
feature = None # feature = None
data_source = None # data_source = None
# polygonRaster = None
output = None output = None
polygonRaster = None inputImage = None
def main(argv): def main(argv):
rasterWkt(argv[1], argv[2], argv[3]) rasterWkt(argv[1], argv[2], argv[3])
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment