[geos-devel] Porting LengthIndexedLine.project?

[David Turner]

OK, I've done the port.  A patch, with ported tests, is attached.  

On Thu, 2009-07-23 at 11:13 -0400, David Turner wrote:
> JTS has a class called LengthIndexedLine with a method "project", which
> lets you figure out  the nearest point on a line to a given point.  This
> is useful, for instance, if you are trying to figure out what street a
> person is on from (possibly slightly inaccurate) GPS observations.
> 
> http://tsusiatsoftware.net/jts/javadoc/com/vividsolutions/jts/linearref/LengthIndexedLine.html#project(com.vividsolutions.jts.geom.Coordinate)
> 
> PostGIS calls this function st_line_locate_point.
> 
> GEOS doesn't seem to have it, even though I was under the impression
> that GEOS was merely a port of JTS.  If I port JTS's project function
> and related functions such as extractPoint to GEOS, would that patch be
> likely to be accepted?  Or am I missing something about the relationship
> between JTS and GEOS?
> 
> 
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