export selected features as gpx for use in qgis action
| layer = QgsProject.instance().mapLayer('[% @layer_id %]') | |
| from qgis.core import Qgis, QgsVectorFileWriter | |
| exportpath="D:/loeschen/test.gpx" | |
| error, error_string = QgsVectorFileWriter.writeAsVectorFormat( layer, | |
| exportpath, | |
| "UTF-8", | |
| layer.crs(), | |
| "GPX", | |
| onlySelected=True) | |
| #layerOptions=['...'] ) | |
| #print (error[0]) | |
| # NoError = 0, ErrDriverNotFound =1, ErrCreateDataSource =2, ErrCreateLayer, | |
| # ErrAttributeTypeUnsupported, ErrAttributeCreationFailed, ErrProjection, ErrFeatureWriteFailed, | |
| # ErrInvalidLayer, Canceled | |
| if error == QgsVectorFileWriter.NoError: | |
| qgis.utils.iface.messageBar().pushMessage("GPX saved", Qgis.Success) | |
| else: | |
| print('Error: {details}'.format(details=error_string)) | |
| qgis.utils.iface.messageBar().pushMessage('Error creating GPX: {details}'.format(details=error_string), Qgis.Critical) |
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