Hi,
I am creating a Windows .bat files with a Python script to make DEMs
with LiDAR points. The idea is simple.
1) read input txt file to get the cloud geometries
2)gdal_grid with nodata value marker set to -32768
3)gdal_warp with -dstnodata to set the value marker (of grid created in
step 2)
4)gdal_fillnotdata.py to replace the no data values (of grid created in
step 3)
5)gdal_warp again with -dstnodata to set the value marker (again as
some values may still be outside of spet 4 search radius)
6)gdaldem hillshade made with DEM of set 5
7)gdal_warp again with -t_srs srs_def: to set the CRS of the Hillshade
created in step 6.
It looks like I am loosing time with gdal_warp (step 3,5 and7) as I am
reading a file, adding novalue data or setting CRS, then writing the new
file and then deleting the old file.
Question: Is there another way of doing this without steps 3, 5 and 7 or
did i get it right?
Thanks,
Nicolas
P.S.
I am using win7_64 and gdal 1.11.2.
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