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51 lines
1.6 KiB
Python
51 lines
1.6 KiB
Python
#******************************************************************************
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# Adapted from gdal_fillnodata.py, Copyright (c) 2008, Frank Warmerdam
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#******************************************************************************
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##src_filename=raster
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##dst_filename=output raster
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##Analysis=group
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from sextante.gdal.GdalUtils import GdalUtils
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try:
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from osgeo import gdal, ogr
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except ImportError:
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import gdal
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import ogr
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def CopyBand( srcband, dstband ):
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for line in range(srcband.YSize):
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line_data = srcband.ReadRaster( 0, line, srcband.XSize, 1 )
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dstband.WriteRaster( 0, line, srcband.XSize, 1, line_data,
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buf_type = srcband.DataType )
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max_distance = 100
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smoothing_iterations = 0
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options = []
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src_band = 1
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gdal.AllRegister()
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src_ds = gdal.Open(src_filename, gdal.GA_ReadOnly)
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srcband = src_ds.GetRasterBand(src_band)
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maskband = srcband.GetMaskBand()
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drv = gdal.GetDriverByName(GdalUtils.getFormatShortNameFromFilename(dst_filename))
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dst_ds = drv.Create(dst_filename,src_ds.RasterXSize, src_ds.RasterYSize,1,
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srcband.DataType)
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wkt = src_ds.GetProjection()
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if wkt != '':
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dst_ds.SetProjection( wkt )
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dst_ds.SetGeoTransform( src_ds.GetGeoTransform() )
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dstband = dst_ds.GetRasterBand(1)
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CopyBand( srcband, dstband )
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prog_func = gdal.TermProgress
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result = gdal.FillNodata( dstband, maskband ,
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max_distance, smoothing_iterations, options,
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callback = prog_func )
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src_ds = None
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dst_ds = None
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mask_ds = None |