GeoTools has a port of the Grass code backed onto JAI: - http://docs.codehaus.org/display/GEOTDOC/Process+Plugin
Jody On Sat, Feb 6, 2010 at 9:37 AM, Landon Blake <lbl...@ksninc.com> wrote: > Thank you for all of the responses. I will summarize here for everyone's > benefit: > > - Line Trace Plugs was a raster to vector conversion program used by the SCS, > BLM and Forest Service. It was historically distributed with GRASS. It may > now be available at ltplus.org. > > - The OTB plug-ins for QGIS will do this task or something similar in the > Python programming language. > http://whatnicklife.blogspot.com/2009_12_01_archive.html > > - Grass has the r.thin and r.to.vect commands. > http://grass.itc.it/grass64/manuals/html64_user/r.thin.html > http://grass.itc.it/grass64/manuals/html64_user/r.to.vect.html > > - Inkscape has Potrace. > http://wiki.inkscape.org/wiki/index.php/Tools > http://wiki.inkscape.org/wiki/index.php/Potrace > > - gvSIG uses Potrace as well. > http://www.oadigital.net/software/gvsigoade/gvsigoade2010beta > > - Sextant has some raster tracing functions. > > Landon > Office Phone Number: (209) 946-0268 > Cell Phone Number: (209) 992-0658 > > > ________________________________________ > From: discuss-boun...@lists.osgeo.org > [mailto:discuss-boun...@lists.osgeo.org] On Behalf Of Miller, Craig > Sent: Thursday, February 04, 2010 12:23 PM > To: OSGeo Discussions > Subject: Re: [OSGeo-Discuss] Open Source Raster Tracing - What Is Available? > > Line Trace Plus was a very powerful raster to vector conversion program used > by the SCS, BLM, and US Forest Service for years. At one point it > was distributed along with GRASS, but that no longer seems to be the case. > It pretty much dropped out of existence after project 615 made the ESRI suite > available to all of these Federal Agencies. > > We used a port of it on 24 Linux kernel 0.9.1 slackware boxes in 1992 to > convert a huge amount aerial photo interpretation data to vector polygons as > part of the Interior Columbia Ecosystem Management Project (ICBEMP) mid-scale > assesment. As far as I know, this was the first large scale use of Linux > within the US Forest Service/BLM. I digress though.... > > The product continued to be developed by Infotec as a commercial product and > I believe David Mandel who once worked for them still has a copy of the > public domain source code. > > The GRASS source code and Linux Binaries are available at > http://grass.itc.it/oldprojects/ltplus/ > David had a page up at ltplus.org, but it seems to be dead today. > > Craig > > > > On Thu, Feb 4, 2010 at 11:40 AM, Landon Blake <lbl...@ksninc.com> wrote: > Is anyone aware of a raster tracing tool for geospatial users released under > an open source license? I'm looking for something similar to: > > http://www.vextrasoft.com/vextractor.htm > > I found the Autotrace program (http://autotrace.sourceforge.net/), 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. > > The price for a single license of Vextractor isn't bad ($99 US), but I'd love > to find a similar open source project. I've thought about trying to write > something up using JTS, but I know it would be a very challenging project. > I'd like to know if any of you have worked on open source projects in this > area. > > Thanks for any info. > > Landon > > > > Warning: > Information provided via electronic media is not guaranteed against defects > including translation and transmission errors. If the reader is not the > intended recipient, you are hereby notified that any dissemination, > distribution or copying of this communication is strictly prohibited. If you > have received this information in error, please notify the sender immediately. > > _______________________________________________ > Discuss mailing list > Discuss@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/discuss > > > > -- > Craig Miller > Geospatial Software Architect > _______________________________________________ > Discuss mailing list > Discuss@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/discuss > _______________________________________________ Discuss mailing list Discuss@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/discuss
