[gdal-dev] snap window with gdalwarp

[Frank Warmerdam]

Gregory, Matthew wrote:
> Hi all,
> 
> Is there a way to set a 'snap' coordinate for a target dataset in gdalwarp
> without having to know the target extent?  For example, if I wanted my
> target dataset to have extent corners that were a multiple of my cellsize, I
> could specify (0.0, 0.0) as my snap coordinate.  In Arc, this is
> accomplished as:
> 
> project grid src target projection.prj bilinear 30 0 0
> 
> I'm guessing that with gdalwarp you have to first have to figure out what
> the projected extent is, buffer that out to your desired snapped extent and
> then run gdalwarp with that calculated extent and the -te option.  Using VRT
> as the target data format to figure out this information is simple enough.
> I just wanted to make sure that there weren't command line flags I was
> overlooking.

Matthew,

I am not aware of any such capability currently.

Best regards,
-- 
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