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How does the map item appear in QGIS?
By default, map item appearance is synced with the map canvas rendering meaning that toggling visibility of the layers or modifying their style in the Layers Panel is automatically applied to the map item.
How does the map rotation work in QGIS?
The Map rotation allows you to rotate the map item content clockwise in degrees. The rotation of the map canvas can be imitated here; The CRS allows you to display the map item content in any CRS. It defaults to Use project CRS; Draw map canvas items lets you show in the print layout annotations that are placed on the main map canvas.
Why is lock styles for layers disabled in QGIS?
If a map theme is selected, the Lock styles for layers option is disabled because Follow map theme also updates the style (symbology, labels, diagrams) of the layers. To lock the layers shown in a map item to the current map canvas visibility, check Lock layers.
What does label blocking item do in QGIS?
If unchecked then partially visible labels will be skipped. Label blocking items: allows other layout items (such as scalebars, north arrows, inset maps, etc) to be marked as a blockers for the map labels in the active map item.
How to create a layout in QGIS server?
This is used with QGIS server and other potential web clients. You can set an ID on an item (for example, a map or a label), and then the web client can send data to set a property (e.g., label text) for that specific item. The GetProjectSettings command will list the items and IDs which are available in a layout.
How to change the aspect ratio in QGIS?
Unless View ► Show Bounding Boxes option is unchecked, a selected item will show squares on its boundaries ; moving one of them with the mouse will resize the item in the corresponding direction. While resizing, holding Shift will maintain the aspect ratio. Holding Alt will resize from the item center.