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How do I move a layer from the bottom to the top in QGIS?
To move a group or layer to the top of the layer panel, either drag it to the top, or choose Move to Top. If you use this option on a layer nested in a group, the layer is moved to the top in its current group. The Move to Bottom option follows the same logic to move layers and groups down.
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.
How to move layers in the layer order panel using pyqgis?
To automatically move newly added layers to the top of Layer Order Panel, you could use the legendLayersAdded SIGNAL (this signal is appropriate because it’s emitted after the Layer Order Panel gets the new layer) from QgsMapLayerRegistry and reorder layers in this way:
What does a map theme do in QGIS?
A map theme is a snapshot of the current map legend that records: the layers set as visible in the Layers panel and for each visible layer: the reference to the style applied to the layer
How to uncheck a layer in QGIS documentation?
Ctrl -click on a checked / unchecked layer will uncheck / check the layer and all its parents. Enabling the Mutually Exclusive Group option means you can make a group have only one layer visible at the same time.
Where can I find the default panels in QGIS?
A complete list of default panels provided by QGIS is available via the View ► Panels ► menu and mentioned at Panels. 11.2.1. Layers Panel ¶ The Layers panel (also called the map legend) lists all the layers in the project and helps you manage their visibility. You can show or hide it by pressing Ctrl+1 .
How to filter legend by map content in QGIS?
Filter Legend by Map Content: only the layers that are set visible and whose features intersect the current map canvas have their style rendered in the layers panel. Otherwise, a generic NULL symbol is applied to the layer.
How to create a new group in QGIS?
Press the icon to add a new group. Type in a name for the group and press Enter. Now click on an existing layer and drag it onto the group. Select some layers, right-click in the legend window and choose Group Selected. The selected layers will automatically be placed in a new group.
How to resize a docked Qt qdockwidget programmatically?
When the DW is positioned in a side dock an application ( QMainWindow) slot handling the DW’s dockLocationChanged signal hides left-panel and re-sizes the DW->widget () to the size right-panel. When the DW is programmatically moved to the bottom dock area leftPanel is set visible and the DW fills the full width of the main window (of course).