Contents
How to label a shapefile layer in QGIS?
What you probally don’t know is that you can make use of more than on attribute information to label your map features in QGIS. This is made possible by the use of “QGIS label expression” command. That is what QGIS expression in the label expression is used for.
How to label a shapefile using two or more attributes?
The shapefile am going to use for this demonstration as seen above, has five (5) columns/fields of attributes which are: FID, State_Name, Area, Capital and Population. Now, lets label the map with as single attribute field then with multiple attribute fields. 2) Select “Labels” tab and choose show “show label for this layer”. 4) Click on “OK”.
Is there a label tool in layer properties?
The Layer Properties dialog does have a Labels tab, which now offers the same functionality, but for this example we’ll use the Label tool, accessed via a toolbar button. The goal for this lesson: To apply useful and good-looking labels to a layer.
How to use labels instead of layer symbology?
In the Label tool dialog, go to the Placement tab. Change the value of Distance to 2mm and make sure that Around point is selected: Click Apply. You’ll see that the labels are no longer overlapping their point markers. 4.2.3. Follow Along: Using Labels Instead of Layer Symbology ¶
How to set different colors based on value?
CASE WHEN “Field” = 10 THEN ‘#0000ff’ WHEN “Field” = 15 THEN ‘#00ff00’ WHEN “Field” = 25 THEN ‘#ff0000’ ELSE ‘#000000’ END Click Applythen OKand hopefully you should see your labels with different colours:
How to create a map in Python with QGIS?
With 140 short, reusable recipes to automate geospatial processes in QGIS, the QGIS Python Programming CookBook teaches readers how to use Python and QGIS to create and transform data, produce appealing GIS visualizations, and build complex map layouts. Once your map layers are styled, the next step to creating a complete map is labeling features.
How to label features and set map transparency in Python?
Learn how to label features and set map transparency in QGIS using Python from this section as part of this preview chapter, Creating Dynamic Maps from QGIS Python Programming CookBook.