[gdal-dev] Fwd: gdal_merge.py - Missing images - sans attachment

[Travis Kirstine]

Dose gdalwarp work

gdalwarp -of GTiff *.tif wacmos.tif

Regards

On 7 October 2011 11:42, Jay L. <jzl5325 at psu.edu> wrote:
> Sent with an example attachment, which is awaiting approval.  Here is the
> mail without attachement.
>
> I have 8 large Gtiffs which I am trying to mosaic.  Tiffs were created from
> .IMG files downloaded from PDS.  I converted to tif using:
>         gdal_translate -of GTiff -scale -co "TILED=YES" -co "COMPRESS=JPEG"
> <input>
> The format conversion is working without a problem.  Gdalinfo is reporting
> the correct NDV and projection information.  Viewing each tif also returns
> the expected raster iamge.  So far, so good.
>
> I then use:
>         gdal_merge.py -o wacmos.tif -of GTiff -v --optfile tiff_list.txt
>
> Six of the eight tiles are added to the mosaic correctly.  Varying the order
> in the list, or using *.tif does not change the output.  It is always the
> same two images which are missing.  Watching the verbose output, it looks
> like the images are mosaicing correctly.  What would cause these images to
> be merged as totally black tiles?
>
> Thanks for any insight,
> Jay
>
>
>
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