How to get layer list back in QGIS?

How to get layer list back in QGIS?

Answers without enough detail may be edited or deleted. View -> Panels and tick ‘Layers’. 🙂 Highly active question. Earn 10 reputation (not counting the association bonus) in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.

How to restore the predefined QGIS GUI configuration?

Easily restore predefined QGIS. The initial QGIS GUI configuration can be restored by one of the methods below: unchecking Enable customization option in the Customization dialog or click the Check All button; pressing the [Reset] button in the QSettings frame under Settings ‣ Options menu, System tab

Why is the attribute table slow in QGIS?

When working with layers with big amount of records, opening the attribute table may be slow as the dialog request all the rows in the layer. Setting the Attribute table behavior to Show features visible on map will make QGIS request only the features in the current map canvas when opening the table, allowing a quick data loading.

Why does QGIS ignore the shapefile encoding declaration?

Ignore shapefile encoding declaration. If a shapefile has encoding information, this will be ignored by QGIS. This widget lists all the folder you chose to hide from the Browser panel. Removing a folder from the list will make it available in the Browser panel.

How to get side bar back to side bar in QGIS?

I accidentally clicked on the detach icon on the layer side panel of QGIS and now it floats and I cannot get it back to the side bar where I want it. Want to improve this post? Provide detailed answers to this question, including citations and an explanation of why your answer is correct. Answers without enough detail may be edited or deleted.

Why does QGIS not dock floating layer panel?

Inability to dock floating “Layers” panel is still a bug in QGIS 3.10-5 (LTR) on Windows 10 1909. However, as others have suggested restarting QGIS then immediately double-clicking the “Layers” title bar successfully docked it for me. This is reported as 2 related bugs in the QGIS GitHub issues page here:

Is there a bug in QGIS 3.6 LTR?

I restarted QGIS 3.6 and dragging the window appears to work again, and other panels will “slide” out of the way to make room for dropping the floating panel. Inability to dock floating “Layers” panel is still a bug in QGIS 3.10-5 (LTR) on Windows 10 1909.

How do you create a layer in GIS?

The layer is created in line 42, by passing the full path name (file), the file name (fileInfo.file), and the name of the data provider, in this case “ogr”. The last thing to do is make sure the layer is valid and if it’s not, we just exit the application using a return in lines 44-45. Of course a real application would handle this differently.

How to create a GIS application using QGIS?

Lines 63-82 setup the main method and contain the code needed initialize and run our application. In line 65 we create a QApplication (a Qt class). In lines 68 and 69 we setup the QgsApplication object by setting the path to the QGIS installation and initializing QGIS.

How to add a layer to an application?

To add a layer to the application we are going to immediately open a file dialog from which a layer can be selected. Normally you would assign this to a menu and/or toolbar item. In lines 35-39 we open a file dialog and get the file name selected by the user.

How to draw country polygons in QGIS 4.5?

Here we create an object of the QgsGraduatedSymbolRenderer class that we want to use to draw the country polygons from our layer using a graduated color approach based on the population attribute ‘POP2005’. The name of the field to use is set via the renderer’s setClassAttribute () method in line 2.

How to select features containing specific text string in QGIS?

You just gotta use the LIKE operator. The % symbol acts like a wildcard. LIKE is case-sensitive, whereas ILIKE is not. I had this exact problem and solved it from the python console with regex. While regex can be tricky it’s very powerful.

How to read the attribute values using pyqgis?

Once you have a QgsFeature object you can use the attributes () method to retrieve the attributes (a.k.a. columns or fields) associated with that feature (a.k.a. row), e.g.: If you want to index the field by it’s name, rather than a number, you need to use the field mappings:

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 override Z ordering behavior in QGIS?

The Z-ordering behavior can be overridden by the Layer Order panel. At the top of the Layers panel, a toolbar allows you to: Open the layer styling dock (F7): toggle the layer styling panel on and off. Manage Map Themes: control visibility of layers and arrange them in different map themes.

Where to find rendering order in QGIS 2.14?

However, since this is a depth map of Skagerrak, I would like the other layers to show up on top of it. QGIS >= 2.14 has built in support for specifying the rendering order. It’s on the bottom of the “styles” tab under your layer properties.