I have a tiff image that I create from it an thumbnail with gdal_translate:
"gdal_translate.exe  -outsize 300 400 -of PNG  -ot byte -scale image.tif 
thumbnail.png"

than I load it on the earth(osgEarth) and it look correct: 
[Image: http://forum.osgearth.org/file/n7581916/goodImage.png ]

But when I remove the no_data from the image (png):
"gdal_translate.exe --a_nodata 0  -of PNG  -ot byte thumbnail.png 
thumbnail_no_data.png"

it look correct in the Windows viewer, but when I load it, I have a strange 
result: 
[Image: http://forum.osgearth.org/file/n7581916/badImage.png ]

I tested my image with:osgviewer --image file.png and it look wrong.

I had attached my two images:
[Image: http://forum.osgearth.org/file/n7581916/tempView.png ]
[Image: http://forum.osgearth.org/file/n7581916/tempView_Hide.png ]

So what can be the probleme?THANKS.

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Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=55199#55199




Attachments: 
http://forum.openscenegraph.org//files/tempview_hide_881.png
http://forum.openscenegraph.org//files/tempview_105.png


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