Hi all,<br><br>I've been playing around with gdalbuildvrt lately and it has proven to be a very useful tool:)<br><br>What I'm attempting to do is take multiple RGB images and treat them as a single image using the VRT. This works great, but since the images are RGB, areas where there is no data are coming back as black. Is there a way that I can modify the VRT or the code to treat the VRT as an RGBA dataset and somehow say "If there is no data in any bands, the alpha is 0"?<br>
<br>Thanks!<br><br>Jason<br>