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How to create a layer group in Python?
Closed 2 years ago. How can I create a new group in the layer manager using python code? Using the new Layer tree (introduced since QGIS v.2.4 and available for QGIS v3.x) you can add a group to the QGIS ToC this way:
How to add a layer to a QGIS TOC?
Using the new Layer tree (introduced since QGIS v.2.4 and available for QGIS v3.x) you can add a group to the QGIS ToC this way: You can learn more on Layer tree handling here and here.
How to create a group in QGIS class?
Find layer IDs used in all layer nodes. Find all layer nodes. Insert existing node at specified position. Insert existing nodes at specified position. Insert a new group node with given name at specified position. Insert a new layer node for given map layer at specified position.
How to move layer to group in QGIS 3?
In the layer tree, I want to move a few layers at root level to a group also at root level. From what I have gathered so far, I have to clone the layer first, add it to the group and then delete the original layer. https://docs.qgis.org/3.4/en/docs/pyqgis_developer_cookbook/cheat_sheet.html#advanced-toc
How do I add a layer to a Geopackage file?
You are now ready to add any layer from this GeoPackage to QGIS. Click on the Connect button. In the central part of the window you should now see the list of all the layers contained in the GeoPackage file. Select the roads layer and click on the Add button. A roads layer is added to the Layers panel with features displayed on the map canvas.
How to create a layer tree group in QGIS?
Layer tree group node serves as a container for layers and further groups. Group names do not need to be unique within one tree nor within one parent. Append an existing node. Append a new group node with given name. Append a new layer node for given map layer.
Do you need a unique name for a group in QGIS?
Group names do not need to be unique within one tree nor within one parent. Append an existing node. Append a new group node with given name. Append a new layer node for given map layer. Returns a clone of the group. Returns text representation of the tree.