<pre>Hi,<br><br>I run the following command:<br><br>gdalwarp -rc -tr 250 250 ortho.tif overview.tif<br><br>and I get the following error:<br><br>Error 1:Attempt to create 0X0X3 TIFF, but width, height and bands must be positive.
<br><br>What do I need to add to my gdalwarp command?<br><br>Thanks, <br></pre>John J. Mitchell