[gdal-dev] gdal_create: input file option

[jratike80]

Hi,

Great, allowing to override all automatically captured parameters is
probably a good feature. I believe that some users will find this new option
useful.

Next challenge could be to burn vertical and horizontal gridlines for
warping and resampling tests.

-Jukka-



Even Rouault-2 wrote
> On mardi 1 décembre 2020 13:23:58 CET Rahkonen Jukka (MML) wrote:
>> Hi,
>> 
>> Every now and then people would like to rasterize vectors into raster
>> that
>> matches exactly with some existing raster. There are a few possible ways
>> for creating an empty copy from a raster with GDAL tools
>> https://gis.stackexchange.com/questions/220753/how-do-i-create-blank-geotif
>> f-with-same-spatial-properties-as-existing-geotiff . The gdal_merge way
>> with
>> -createonly does the job and is fast, but who remembers that gdal_merge
>> exists and can be used for such purpose? How about to add an option like
>> "-if" (input file) into gdal_create program, with the same effect?
>> Options
>> -outsize, -a_srs, -a_ullr would have no effect if used together with
>> input
>> template file. Options -of, -bands, -ot, -a_nodata, -co could override if
>> given. Not sure about metadata, but probably it is never worth copying
>> from
>> the template file.
> 
> I've mostly followed your suggestion in
> https://github.com/OSGeo/gdal/pull/3255
> 
> Not sure if it will be useful, but to avoid too many exceptions, -outsize,
> -a-
> srs, -a_ullr can actually override the settings of the input file
> 
> Even
> 
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