[FWTools] gdal_translate question

[Travis Kirstine]

Christina,
Is there a world file for the blue marble png, if not the -projwin
option will not work, -srcwin would.

2008/9/24 ChristinaPSU <mail at drsdatarecovery.com>:
> Hello,
>
> I have downloaded a Blue Marble PNG image from visibleearth.nasa.gov:
>
> http://visibleearth.nasa.gov/view_detail.php?id=7102
>
> called:world.topo.bathy.200403.3x21600x21600.C1.png
>
> its 21600 x 21600 and 347.3MB.
> What I want to be able to do is select a tile of that image by giving
> gdal_translate lat/long corners and output a jpeg file. I have tried these
> command line parameters:
>
> gdal_translate -projwin -93.246226 44.892179 -93.195672 44.866816 -outsize
> 9424 4728 -of JPEG world.200407.3x21600x21600.C1.png output.jpg
>
> This generates the following errors:
>
> Input file size is 21600, 21600
> Computed -srcwin -93 44 0 0 from projected window.
> Computed -srcwin falls outside raster size of 21600x21600.
>
> What am I doing wrong?
>
> Thanks!
> Christina
>
> _______________________________________________
> FWTools mailing list
> FWTools at lists.maptools.org
> http://lists.maptools.org/mailman/listinfo/fwtools
> http://fwtools.maptools.org/
>
>



-- 
Travis K.

Toronto, Canada
------------------------------------------------------------
"She knows there's no success like failure
And that failure's no success at all."
-Bob Dylan-
------------------------------------------------------------