[geos-devel] Porting LengthIndexedLine.project?

[David Turner]

Did I send this to the right place?  Or should I create a ticket
somewhere?  Or is my patch totally off-base?  

Just trying to make sure this doesn't get lost in the noise.

On Fri, 2009-08-07 at 16:45 -0400, David Turner wrote:
> 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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