Setting layer visibility in standalone QGIS Python script

How do I make layers visible in QGIS?

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 do I run a Python script from console in QGIS?

In the main QGIS window, go to Plugins ‣ Python Console. Once the console is open, find your script in the Processing Toolbox and double-click it to launch it.
 

How to write Python script in QGIS?

Within QGIS, you can use Create new script in the Scripts menu at the top of the Processing Toolbox to open the Processing Script Editor where you can write your code. To simplify the task, you can start with a script template by using Create new script from template from the same menu.

How to automate QGIS with Python?

What you’ll learn

1. Using the QGIS Python console.
2. Using the QGIS Python editor.
3. Using PyQGIS to manipuate the QGIS interface.
4. Using PyQGIS to manipulate a layers symbology.
5. Using PyQGIS to manipulate a layers attributes.
6. Using PyQGIS to manipulate a layers geometry.
7. Using PyQGIS to perform spatial operations.

How do you set the visibility of a layer?

To Change the Visibility of Layers

1. Click Home tab Layers panel Layer Properties. Find.
2. Select the layers you want to turn on or off.
3. Click the icon in the On column to set the status of the selected layers. = on. = off.

How do I make my layers visible?

Clicking the eye icon next to any layer on the Layers panel will hide/show the layer. Option -click (Mac) | Alt -click (Win) the eye icon in the Layers panel to toggle visibility of all other layers. Command + “,” (comma) (Mac) | Control + “,” (comma) (Win) toggles the visibility of the currently selected layer(s).
 

How do I run a python .py file in console?

To run Python scripts with the python command, you need to open a command-line and type in the word python , or python3 if you have both versions, followed by the path to your script, just like this: $ python3 hello.py Hello World!

How do I run a .py file directly?

The most basic and easy way to run a Python script is by using the python command. You need to open a command line and type the word python followed by the path to your script file like this: python first_script.py Hello World! Then you hit the ENTER button from the keyboard, and that’s it.
 

Can python be run in script mode?

Script mode of execution is very much suitable for us to write long Python programs (programs having more than a single code line). We can easily do the editing of our Python program inside the script mode. We can open our Python program as many times as we want inside the script mode.

Why are my layers not showing in QGIS?

One possible issue is that the Layer Order is being set by the Layer Order panel. Then make sure the “Control rendering order is not ticked, and the Layer Order panel is greyed out.
 

How do I unhide layers?

In the Layers panel, just click on the little Eye icon to the left of the layer’s thumbnail and it hides that layer from view. To see it again, click where the Eye icon used to be. To see just one particular layer (and hide all the rest), press-and-hold the Option (PC: Alt) key, and then click on the layer’s Eye icon.

What shortcut key can be used to show layers?

Keys for the Layers panel