Hi,<div><br></div><div>This message follows this one <a href="http://lists.maptools.org/pipermail/fwtools/2010-February/001734.html">http://lists.maptools.org/pipermail/fwtools/2010-February/001734.html</a></div><div><br></div>
<div>In fact, my problem was that the whites weren't all white (254, 252,...). So, I used nearblack (-near 20), and -srcnodata 255 (in gdalbuildvrt). And the result is perfect.</div><div>Result here : <a href="http://img39.imageshack.us/img39/8784/final2lm.jpg">http://img39.imageshack.us/img39/8784/final2lm.jpg</a></div>
<div><br></div><div><br></div><div>Perfect, except that :</div><div><a href="http://img714.imageshack.us/img714/1011/erreur.jpg">http://img714.imageshack.us/img714/1011/erreur.jpg</a></div><div><br></div><div>I don't know why, these pixels nearly white in the original image become pink or green or black...</div>
<div><br></div><div>How to fix that ?</div><div><br></div><div>Please answer, thanks a lot.</div>