Understanding the feature and layer blending modes

In this recipe, we will look at the different layer and feature blending modes. Using these tools, we can achieve special rendering effects, which you may already know from other graphics programs.

Getting ready

To follow this recipe, you just need to load stamen.png and effect.png from our sample data. Make sure that stamen (left-hand side in the following screenshot) is the lower layer and effect (right-hand side in the following screenshot) is the upper layer. To test the feature blending modes, load blending.shp:

Getting ready

(Background maps "Watercolor" and "Toner" by Stamen Design, under CC BY 3.0. Data ...

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