Marble how add a single entity in marble qt and update it

[المشرف العام]

How add a single entity into a position and update it without append geodata documents. I working on a tracking system. The map should update the trajectory.

in the official tutorial we have.

GeoDataDocument *document = new GeoDataDocument; document->append( myEntity); mapWidget->model()->treeModel()->addDocument( document ); https://techbase.kde.org/Projects/Marble/Runners/DisplayGeoDataPlacemark

However I don't want to append geodata documents at every update, just update the existent marker.

How can i do it?



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