Frank,<br><br>Thanks for the information. I also noticed that gdal_merge.py python script has a -createonly switch, but using *.tif for the input files does not appear to work from the command line. <br><br>John<br><br><div>
<span class="gmail_quote">On 2/20/07, <b class="gmail_sendername">Frank Warmerdam</b> <<a href="mailto:warmerdam@pobox.com">warmerdam@pobox.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
John Mitchell wrote:<br>> Hi,<br>><br>> I would like to be able to obtain the pixels and lines of a mosaic from<br>> set of geotiffs without fully running gdalwarp to create the mosaic but<br>> just to give me the pixels and lines. Currently I run gdalwarp -wo
<br>> skip_nosource=yes *.tif mosaicfile.tif and cancel it after it says<br>> "Creating output file" and then run gdalinfo to obtain the pixels and<br>> lines against the incomplete mosaic.<br><br>John,
<br><br>The gdal_merge.py python script has a -createonly switch which essentially<br>does the same ... stop after the mosaic file creation. Were you wanting a<br>way of doing this from the commandline? From a python script? From a C++
<br>program?<br><br>Best regards,<br>--<br>---------------------------------------+--------------------------------------<br>I set the clouds in motion - turn up | Frank Warmerdam, <a href="mailto:warmerdam@pobox.com">warmerdam@pobox.com
</a><br>light and sound - activate the windows | <a href="http://pobox.com/~warmerdam">http://pobox.com/~warmerdam</a><br>and watch the world go round - Rush | President OSGeo, <a href="http://osgeo.org">http://osgeo.org
</a><br><br></blockquote></div><br><br clear="all"><br>-- <br>John J. Mitchell