Hi, I think the WKT issue is an OGR one : https://trac.osgeo.org/gdal/ticket/5508 It should work in QGIS master
2014-10-20 20:31 GMT+02:00 Alex Mandel <tech_...@wildintellect.com>: > KML isn't a good choice, as it's always Lat/Lon WGS84. > GML might work, but give GeoJson a shot first - it's simpler than GML to > parse (actually little or no parsing required). > > Did you try ogr2ogr on the commandline to make sure it's not a bug in > the QGIS writer for long lines? > > Thanks, > Alex > > On 10/20/2014 11:11 AM, Andrew Gillett wrote: > > I wrote my parser for WKT as it was the quickest and simplest format to > > parse that I was aware of – I only need the country border data, and > > could see how to parse this just by looking at the file, whereas other > > formats would have needed more research. > > > > The problem is with exporting the WKT using a specified projection. At > > the moment I have to export an intermediate format to get the projection > > right, then load that back in and copy/paste for the WKT. > > > > I am now looking into using KML or GML instead. > > > > > > On 20/10/2014 18:26, Alex Mandel wrote: > >> That sounds like it's hitting some sort of line limit. Might be a bug in > >> OGR. You could try writing WKT to a column first, but it would have to > >> be in a layer type that supports long text fields. > >> > >> That said WKT is not a great format for complex geometries. Perhaps you > >> can tell us your goal and we can suggest another way to get there. > >> > >> Thanks, > >> Alex > >> > >> On 10/20/2014 10:21 AM, Andrew Gillett wrote: > >>> Thanks for the info. I've just tried this and there appears to be a bug > >>> in it. I'm using the country border data from here: > >>> > >>> http://www.naturalearthdata.com/downloads/10m-cultural-vectors/ > >>> > >>> If, for example, I select Iceland and export as you suggested, the > >>> column for the polygon data is truncated. Only about 200 vertices are > >>> exported, as compared to around 3000 which are correctly present if I > >>> use the copy/paste method. The polygon data ends with an X coordinate > >>> but no Y coordinate, and the closing brackets and quote mark are also > >>> missing. > >>> > >>> > >>> On 20/10/2014 17:39, Matthias Kuhn wrote: > >>>> Hi Andrew, > >>>> > >>>> WKT is a format for geometries and not a file type. Therefore it is > not > >>>> possible to offer a save as WKT just like that. You can however easily > >>>> choose Comma Separated Value as export format and then choose AS_WKT > in > >>>> the Geometry combobox under layer options. > >>>> > >>>> Best regards, > >>>> Matthias > >>>> > >>>> > >>>> On 20.10.2014 18:35, Andrew Gillett wrote: > >>>>> It is possible to export in WKT format by copying then pasting into a > >>>>> text editor. However, there is no WKT option when exporting via Layer > >>>>> -> Save As. Is there a particular reason for this, or is there a > >>>>> development list where I could request this? > >>>>> _______________________________________________ > >>>>> 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 > >> _______________________________________________ > >> Qgis-user mailing list > >> Qgis-user@lists.osgeo.org > >> http://lists.osgeo.org/mailman/listinfo/qgis-user > > > > > -- > Alex Mandel > http://wildintellect.com > _______________________________________________ > Qgis-user mailing list > Qgis-user@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/qgis-user >
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