<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><font class="Apple-style-span" size="3"><span class="Apple-style-span" style="font-size: 13px; ">I develop on one computer, and then deploy on other computers. For example, I develop on a desktop computer with many external hard drives, and then deploy on a notebook computer with only an internal hard drive. Additionally, I develop using a desktop computer's external hard drives, and then deploy on a DVD-ROM. In both cases, the absolute path to the files changes, but the relative path to the files is unchanged. This works well with QGIS 1.3.0 because QGIS supports saving relative paths. The gdalbuildvrt man page is at <a href="http://www.gdal.org/gdalbuildvrt.html">http://www.gdal.org/gdalbuildvrt.html</a></span></font></div><div><font class="Apple-style-span" size="3"><span class="Apple-style-span" style="font-size: 13px; ">How does one specify that gdalbuildvrt save relative paths, rather than absolute paths?</span></font></div><div><font class="Apple-style-span" size="3"><span class="Apple-style-span" style="font-size: 13px; ">Greg</span></font></div></body></html>