[geos-devel] troubles with gPolygonize

[Roger Bivand]

Thanks for reporting back. I don't think you mean "crash" in the R sense
(error exit from the R interpreter); if the first argument to gPolygonize()
is not a list of SpatialLines objects - in your case it is:

> table(sapply(LS, class))

SpatialLines 
          15 

but a SpatialLines object, the function returns NULL if it cannot be made
into a polygon. There are no WKT objects involved, as readWKT() returns a
Spatial* object with its specific class determined by the type of the WKT
string.

Roger


Masucci, A wrote
> Dear Roger,
> I found that the bug was fixed, thanks so much. 
> Now it works great with WKT lines, while it crashes if the lines are given
> as SpatialLines, but it's not an issue to feed it with WKT
> Best regards
> 
> Paolo
> 
> 
> ________________________________________
> From: 

> geos-devel-bounces at .osgeo

>  [

> geos-devel-bounces at .osgeo

> ] on behalf of Roger Bivand [

> Roger.Bivand@

> ]
> Sent: 06 February 2013 17:13
> To: 

> geos-devel at .osgeo

> Subject: Re: [geos-devel] troubles with gPolygonize
> 
> rgeos 0.2-13 is now submitted to CRAN, should be built as a Windows binary
> shortly, probably also for your R 2.14.
> 
> Roger
> 
> 
> 
> -----
> Roger Bivand
> NHH Norwegian School of Economics, Bergen, Norway
> --
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-----
Roger Bivand
NHH Norwegian School of Economics, Bergen, Norway
--
View this message in context: http://osgeo-org.1560.n6.nabble.com/troubles-with-gPolygonize-tp5032205p5034068.html
Sent from the GEOS Developers mailing list archive at Nabble.com.