Hi, I think there are already 2 possibilities to show x,y /wkt or other geometries for any kind of layers
* Geometry generators * Virtual layers (no expert, but I guess that's possible) So at least read-only this should be straightforward, read-write maybe with virtual layers (?). Matthias On 07/09/2016 11:34 AM, Raymond Nijssen wrote: > Great idea! ;) > > Question is where to implement it in the GUI. It overlaps the > functionality in the delimited text reader. Like pointing to the x and y > columns or choosing a column containing wkt. > > Maybe it could be a 2 steps process? Step 1 is importing any table and > step 2 is creating a spatial layer from it. But we would loose the quick > "Add delimited text layer" functionality. > > Any ideas? > > @Paolo, which plugin can do this? XyTools? > > Regards, > Raymond > > > > > On 09-07-16 11:14, Paolo Cavallini wrote: >> Agreed. There is a plugin doing this, but of course having it as a >> standard function is desirable. >> Thanks for raising this. >> >> Il 9 luglio 2016 12:00:38 EEST, Richard Duivenvoorde >> <[email protected]> ha scritto: >> >> Hi Devs, >> >> Raymond Nijssen had an (I think) intriguing idea: >> >> QGIS can open different types of table-data: dbf, excel etc etc >> >> But if the excel contains an x,y,wkt column, you have to save it to >> csv/tsv first, to be able to use the delimited-text-provider to open it >> as a layer. >> >> His idea: can't we use the delimited-text-provider for all tables that >> are open in QGIS immediately? >> >> Had a look into the code >> >> >> https://github.com/qgis/QGIS/blob/master/src/providers/delimitedtext/qgsdelimitedtextfile.cpp#L583 >> >> which 'just' looks like a QTextStream: >> >> >> https://github.com/qgis/QGIS/blob/master/src/providers/delimitedtext/qgsdelimitedtextfile.h#L352 >> >> And >> according to this: >> https://forum.qt.io/topic/63310/how-to-save-a-treeview-as-csv-file-in-qt >> >> It is easy to create a textstream from QModel (in which we have the data >> I think???)... >> >> So Question: >> - (to devs): would this indeed be doable/easy? >> - (to UI's): should the Delimited Text File dialog be updated then (or >> only with a 'open excisting table button'? >> - should we rename the provider to 'table' provider. >> >> Comments/Opinions? >> >> Regards, >> >> Richard Duivenvoorde >> ------------------------------------------------------------------------ >> >> Qgis-developer mailing list >> [email protected] >> List info: http://lists.osgeo.org/mailman/listinfo/qgis-developer >> Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-developer >> >> >> -- >> Paolo Cavallini >> www.faunalia.eu <http://www.faunalia.eu> >> >> >> _______________________________________________ >> Qgis-developer mailing list >> [email protected] >> List info: http://lists.osgeo.org/mailman/listinfo/qgis-developer >> Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-developer >> > _______________________________________________ > Qgis-developer mailing list > [email protected] > List info: http://lists.osgeo.org/mailman/listinfo/qgis-developer > Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-developer -- Matthias Kuhn OPENGIS.ch - https://www.opengis.ch Spatial • (Q)GIS • PostGIS • Open Source
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