Created
March 4, 2021 15:14
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gdal_numpy_calc
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| """ | |
| Created on Thu Mar 4 19:14:00 2021 | |
| @author: nma | |
| """ | |
| from osgeo import gdal,gdal_array,gdalconst,osr | |
| import numpy as np | |
| raster_f = "A_raster_file.tif" | |
| raster_s = "B_raster_file.tif" | |
| out_ = "outfile.tif" | |
| ref_ras = gdal.Open(raster_f) | |
| array_f = gdal_array.LoadFile(raster_f) | |
| array_s= gdal_array.LoadFile(raster_s) | |
| [cols, rows] = array_f.shape | |
| r_array = array_f + array_s # addition | |
| driver = gdal.GetDriverByName("GTiff") | |
| out_ras = driver.Create(out_,rows,cols,1,gdal.GDT_Float64) | |
| refe_trnas = ref_ras.GetGeoTransform() | |
| out_ras.SetProjection(ref_ras.GetProjection()) | |
| out_ras.SetGeoTransform(refe_trnas) | |
| srs = osr.SpatialReference() | |
| out_ras.GetRasterBand(1).WriteArray(r_array) | |
| out_ras.FlushCache() ##saves to disk!! | |
| out_ras = None | |
| band=None | |
| ds_rs=None |
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