mirror of
https://github.com/qgis/QGIS.git
synced 2025-03-06 00:05:02 -05:00
76 lines
2.6 KiB
Python
76 lines
2.6 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
"""
|
|
***************************************************************************
|
|
fillnodata.py
|
|
---------------------
|
|
Date : August 2012
|
|
Copyright : (C) 2012 by Victor Olaya
|
|
Email : volayaf at gmail dot com
|
|
***************************************************************************
|
|
* *
|
|
* This program is free software; you can redistribute it and/or modify *
|
|
* it under the terms of the GNU General Public License as published by *
|
|
* the Free Software Foundation; either version 2 of the License, or *
|
|
* (at your option) any later version. *
|
|
* *
|
|
***************************************************************************
|
|
"""
|
|
|
|
__author__ = 'Victor Olaya'
|
|
__date__ = 'August 2012'
|
|
__copyright__ = '(C) 2012, Victor Olaya'
|
|
# This will get replaced with a git SHA1 when you do a git archive
|
|
__revision__ = '$Format:%H$'
|
|
|
|
#******************************************************************************
|
|
# Adapted from gdal_fillnodata.py, Copyright (c) 2008, Frank Warmerdam
|
|
#******************************************************************************
|
|
##src_filename=raster
|
|
##dst_filename=output raster
|
|
##[GDAL] Analysis=group
|
|
from sextante.gdal.GdalUtils import GdalUtils
|
|
|
|
try:
|
|
from osgeo import gdal, ogr
|
|
except ImportError:
|
|
import gdal
|
|
import ogr
|
|
|
|
|
|
def CopyBand( srcband, dstband ):
|
|
for line in range(srcband.YSize):
|
|
line_data = srcband.ReadRaster( 0, line, srcband.XSize, 1 )
|
|
dstband.WriteRaster( 0, line, srcband.XSize, 1, line_data,
|
|
buf_type = srcband.DataType )
|
|
|
|
max_distance = 100
|
|
smoothing_iterations = 0
|
|
options = []
|
|
src_band = 1
|
|
|
|
gdal.AllRegister()
|
|
src_ds = gdal.Open(src_filename, gdal.GA_ReadOnly)
|
|
srcband = src_ds.GetRasterBand(src_band)
|
|
maskband = srcband.GetMaskBand()
|
|
drv = gdal.GetDriverByName(GdalUtils.getFormatShortNameFromFilename(dst_filename))
|
|
dst_ds = drv.Create(dst_filename,src_ds.RasterXSize, src_ds.RasterYSize,1,
|
|
srcband.DataType)
|
|
wkt = src_ds.GetProjection()
|
|
if wkt != '':
|
|
dst_ds.SetProjection( wkt )
|
|
dst_ds.SetGeoTransform( src_ds.GetGeoTransform() )
|
|
|
|
dstband = dst_ds.GetRasterBand(1)
|
|
CopyBand( srcband, dstband )
|
|
|
|
prog_func = gdal.TermProgress
|
|
|
|
result = gdal.FillNodata( dstband, maskband ,
|
|
max_distance, smoothing_iterations, options,
|
|
callback = prog_func )
|
|
|
|
|
|
src_ds = None
|
|
dst_ds = None
|
|
mask_ds = None |