[FWTools] Gdalwarp problems

[Frank Warmerdam]

Riepl, David M wrote:
> All,
> 
> I do a lot of 2-D and 3-D maps using GEOTIFF satellite imagery and DTED
> 1 elevation.  I use GDALWARP to reproject the imagery and the DTED
> (turned into GEOTIFFs).  From there I use OSGDEM (currently with OSG1.2)
> to create .ive output.  
> 
> I've noticed a problem during the gdalwarp step, I set up a .cmd script
> to run gdalwarp on a folder of 28 images.  Normally I just double-click
> the .cmd script, walk away and assume all is good.  Recently, I've been
> running it from a DOS prompt and so now I am reading the messages.
> Normally as the imagery processes you see this:
> 0...10...20...30...40...50...60...70...80...90...100  -Done.
> But 9 of my 28 images never reach "Done".  The message just reads:
> 0...10...20...30...40...50...60...70...80...90...
> They just don't want to reach "Done" no matter how many times I run the
> script on them.   I've noticed the same problem with some of my
> elevation files.   Since I used to just double-click the script and walk
> away, maybe I've always had this problem and never known it.
> In a quick test, the images still open in my viewer.  Are they any good?
> Is something missing or incomplete?  Does anyone have an explanation or
> advice to fix this?
> 
> Note:  I am using the gdalwarp from FW TOOLS 1.3.4 (Win 32 bit) on a
> WinXP desktop with 2GB RAM.

David,

I expect this is a peculiarity of rounding the progress values in gdalwarp.
If you can isolate a modest sized example of the problem, and file it as
a bug in the GDAL Trac instance, I'll try and get it fixed.

   http://trac.osgeo.org/gdal/

But if there is no error message there is no reason to believe the
warp failed.  Nevertheless the failure to reach "done" is confusing
so I'd like to fix it.

Best regards,
-- 
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I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | President OSGeo, http://osgeo.org