<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Feb 4, 2010, at 2:40 PM, Landon Blake wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div lang="EN-US" link="blue" vlink="purple"><div class="Section1"><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial; ">Is anyone aware of a raster tracing tool for geospatial users released under an open source license? I’m looking for something similar to:<o:p></o:p></span></font></div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial; "><o:p> </o:p></span></font></div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial; "><a href="http://www.vextrasoft.com/vextractor.htm" style="color: blue; text-decoration: underline; ">http://www.vextrasoft.com/vextractor.htm</a><o:p></o:p></span></font></div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial; "><o:p> </o:p></span></font></div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial; ">I found the Autotrace program (<a href="http://autotrace.sourceforge.net/" style="color: blue; text-decoration: underline; ">http://autotrace.sourceforge.net/</a>), but it seems to be a little more limited, and not geared to the GIS user. Vextractor allows you to georeference your tracing output and supports export of the traced vectors to SHP and DXF.</span></font></div></div></div></span></blockquote><br></div><div>Landon</div><div><br></div><div>I see that some folks are working on some OTB plugins for QGIS</div><div>that will either do this or be great examples of how to go about this</div><div>in Python</div><div><br></div><div>I believe most of this work is making it back into OTB</div><div><br></div><div><a href="http://whatnicklife.blogspot.com/2009_12_01_archive.html">http://whatnicklife.blogspot.com/2009_12_01_archive.html</a></div><div><br></div><div>Cheers</div><div><br></div><div>Norman</div></body></html>