[OSGeo-Discuss] Open Source Raster Tracing - What Is Available?

[Stefan Steiniger]

Sextante has a raster to vector conversion function - that can help in 
certain instances. though - depends on the data you have and if there 
are gaps to bridge.

Landon Blake 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:
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> http://www.vextrasoft.com/vextractor.htm
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> 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.
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> 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.
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> Thanks for any info.
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> Landon
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