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.geograf...@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 <zaraf...@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@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@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/qgis-user _______________________________________________ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user