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Hi Marius, Thanks for the response. See below: On 2011-02-20 21:16, Marius Jigmond wrote: except that when I run nearblack (v1.7.3), it doesn't create the output tiff file.Are you sure that the white you see is a pure 255/255/255? Albeit, the nearblack with its near default of 15 would have likely taken care of that. nearblack -white -o 0394w.tif 0394.tif ERROR 4: Creation of file 0394w.tif failed. when I manually add to the Transparent Pixel List, then it works (in Qgis), so how can I update all the ortho images to reflect their nodata values?If you load two othophotos in QGIS and specify the transparent pixels, does the collar between the orthophotos disappear? (meaning, using nearblack should/would work, but my nearblack crashes)  Thanks, Zoltan -- =========================================== Zoltan Szecsei PrGISc [PGP0031] Geograph (Pty) Ltd. P.O. Box 7, Muizenberg 7950, South Africa. 65 Main Road, Muizenberg 7945 Western Cape, South Africa. 34° 6'16.35"S 18°28'5.62"E Tel: +27-21-7884897 Mobile: +27-83-6004028 Fax: +27-86-6115323 www.geograph.co.za =========================================== No virus found in this message. |
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