Contents
How to remove all layers in qgsproject class?
1 Answer 1. You could use the QgsMapLayerRegistry::removeAllMapLayers() method to remove all layers in your project: @VilyaSeeFour – Atleast in QGIS 2.18, removeAllMapLayers() no longer seems to be available in the QgsProject Class. You could use QgsProject.instance().clear() which resets your project to a completely blank state.
When to remove the active layer in QGIS?
Closed 6 years ago. Considering my program is generating a shapefile that has to be added to the “Layers” tab in QGIS interface. However, once the utility of the layer is completed, I need to remove the layer in the middle of the code. I want to remove only the active layer and not all.
How to clear a project in qgsproject?
Clear the project – removes all settings and resets it back to an empty, default state. Returns the number of registered layers. Create layer group instance defined in an arbitrary project file. Returns the project’s native coordinate reference system. A map of custom project variables.
When to use qgsproject.instance instead of QGIS?
Most of the time you want to use QgsProject.instance () instead as many components of QGIS work with the singleton. Reads and writes project states. Has two general kinds of state to make persistent.
How to remove all layers * except * some specific ones?
How to remove all layers *except* some specific ones in pyqgis? I need to load several vector layers for my QGIS project, so that I test every function of my script in every one of them. However, in the end I want to work only with one or two layers of interest and discard the others, so I would like to do that automatically.
Is there any other way to empty all layers in a project?
I found the function removeAllMapLayers in the qgis.core api Where I am in a project with some layers. After trying the code I get this error: Is there any other way to empty all layer in a project? I want to write to the same project when it’s empty. Thanks for contributing an answer to Geographic Information Systems Stack Exchange!