Ah, that fixed it! Thanks :-) - Thomas
On Sun, Jul 27, 2014 at 1:57 PM, Dmitriy Baryshnikov <[email protected]> wrote: > Hi, > > This is usually according to the locale. Try set "C" locale like this. > > cha* old_locale = setlocale(LC_NUMERIC, "C"); > > before opening datasource > > and reset it back after reading all fetures > setlocale(LC_NUMERIC, old_locale); > > > This is not the solution (I fixed it here > http://trac.osgeo.org/gdal/ticket/5461) but some kind of workaround. > > Best regards, > Dmitry > > 27.07.2014 15:40, Thomas Sevaldrud пишет: > > (Sorry about the repost, I forgot the subject tag in the previous one..) > > Hi, I'm having a strange problem that appears to be related to the > GeoJSON driver in GDAL 1.11.0 > > When reading a polygon geometry in geographical lat/lon coordinates, all > my coordinate values are returned in integer degrees. When using ogrinfo it > dumps the coordinate values with correct decimals, so it must be something > I have done wrong... Here is the relevant code: > > OGRDataSource *ds = OGRSFDriverRegistrar::Open(filename_.c_str(), FALSE ); > > int num_layers = ds->GetLayerCount(); > > for(int i = 0; i < num_layers; i++) > > { > > OGRLayer* layer = ds->GetLayer(i); > > layer->ResetReading(); > > OGRFeature* feature; > > while((feature = layer->GetNextFeature()) != NULL) > > { > > OGRGeometry* geometry = feature->GetGeometryRef(); > > if(geometry == NULL) > > continue; > > int geom_type = wkbFlatten(geometry->getGeometryType()); > > if(geom_type == wkbPolygon) > > { > > OGRPolygon* ogr_poly = (OGRPolygon*)geometry; > > OGRLinearRing* ext_ring = ogr_poly->getExteriorRing(); > > for(int j = 0; j < ext_ring->getNumPoints() - 1; j++) > > { > > double x = ext_ring->getX(j); > > double y = ext_ring->getY(j); > > ... > > Now, the x, and y values here are always truncated to integer values. > This does not happen with for example shp files. > > Any ideas what I might have done wrong here? > > > _______________________________________________ > gdal-dev mailing > [email protected]http://lists.osgeo.org/mailman/listinfo/gdal-dev > > > > _______________________________________________ > gdal-dev mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/gdal-dev >
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