<div dir="ltr"><div><br><div class="gmail_quote"><div dir="ltr"><div><div><div><div><div>Hello Even,<br><br></div>thank you for the reply. I attached a minimal test that compares as you suggested to buffers.<br></div>When I use <span style>CPLSetConfigOption</span><span style>(</span><span style="color:rgb(0,128,0)">"ECW_CLEVER"</span><span style>,</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(0,128,0)">"NO"</span><span style>); two buffers are equal. When </span><br>
<span style>CPLSetConfigOption</span><span style>(</span><span style="color:rgb(0,128,0)">"ECW_CLEVER"</span><span style>,</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(0,128,0)">"YES"</span><span style>); two buffers are different. A 4 bands image can be donwloaded from this link : <a href="http://www.astrium-geo.com/en/23-sample-imagery" target="_blank">http://www.astrium-geo.com/en/23-sample-imagery</a><br>
<br></span></div><span style>I do not know if it is an issue in GDAL, however there is something strange with the usage of </span>sCachedMultiBandIO from ECWDataset.<br><br></div>Cheers,<br></div>Victor<br>
</div></div><br></div>PS : sorry for duplicate<br></div>