[Qgis-user] Problem with interpolation plugin

[Zara Teixeira]

Thanks Giovanni.

I'll wait for further developments.
Zara



On Mon, Mar 26, 2012 at 9:51 AM, Giovanni Manghi <
giovanni.manghi at faunalia.pt> wrote:

> Hi Zara,
>
> I tested your dataset, saving it to epsg 3763 and get the issue when
> doing the TIN interpolation (I will file a ticket). IDW works fine here,
> as also any method in the "raster -> analysis -> grid" tool.
>
> cheers
>
>
> -- Giovanni --
>
>
>
>
> On Fri, 2012-03-23 at 16:01 +0000, Zara Teixeira wrote:
> > It is in fact the 20790, and I had tried that too.
> > But the problem remains if I convert it to another CRS.
> >
> >
> > thanks anyway.
> >
> > On Fri, Mar 23, 2012 at 3:48 PM, ALT SHN <i.geografica at alt-shn.org>
> > wrote:
> >         It seems to be a CRS problem.
> >
> >         First you have to be sure what EPSG code is equivalent to ESRI
> >         102164 (I think it's the 20790)
> >
> >          Before converting  to 3763, make sure the layer assumes the
> >         correct EPSG code as CRS. Go to Properties --> General and
> >         then declare 20790 as the correct EPSG, Then Save it as 3763.
> >
> >         Hope it helps
> >
> >         2012/3/23 Zara Teixeira <zarafani at gmail.com>
> >                 Hi,
> >
> >
> >                 I have this shapefile with points in ESRI: 102164
> >                 Because all my work is in EPSG 3763, I changed the CRS
> >                 to this one.
> >                 The problem is that everytime I try to create a TIN
> >                 with the interpolation plugin, both QGIS 1.9.9 and
> >                 1.7.4 crash. I have them installed in Windows 7.
> >                 This doesn't happen with the original shapefile, or
> >                 even if I use the IDW algorithm, but happens if I
> >                 transform the shapefile to any other CRS.
> >
> >
> >                 P.S. I would prefer to change the CRS before I
> >                 interpolate.
> >
> >
> >                 Any idea why?
> >                 Thanks in advance.
> >
> >
> >
> >
> >                 Zara
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >                 _______________________________________________
> >                 Qgis-user mailing list
> >                 Qgis-user at lists.osgeo.org
> >                 http://lists.osgeo.org/mailman/listinfo/qgis-user
> >
> >
> >
> >
> >         --
> >         ---------------------------------------------------------------
> >         Associação Leonel Trindade
> >         SOCIEDADE DE HISTÓRIA NATURAL
> >
> >         Apartado 25 2564-909 Torres Vedras Portugal
> >         Sede e Biblioteca: rua Cavaleiros da Espora Dourada, 27A 2560
> >         Torres Vedras
> >
> >         Laboratório de Paleontologia e Paleoecologia: Polígono
> >         Industrial do Alto do Ameal 2565-641 Ramalhal
> >         http://alt-shn.blogspot.com
> >         www.alt-shn.org
> >
> >
> >
> > _______________________________________________
> > Qgis-user mailing list
> > Qgis-user at lists.osgeo.org
> > http://lists.osgeo.org/mailman/listinfo/qgis-user
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/qgis-user/attachments/20120326/ba8a4f5a/attachment.html>