The inverted polygon renderer can be used in combination with a shapeburst fill to create some beautiful effects. Next, you will see two examples of this in a single map covering Baltimore City, Maryland. You will begin by opening the Baltimore.qgs
project. The data focuses on diabetes in Baltimore City neighborhoods:
It's already a fairly nice map, but there is no data representing the harbor and Chesapeake Bay. It is simply a white hole in the data layers. To make it blue, you could click on Project
| Project Properties
and change the background color of the map to blue. However, let's learn a more powerful way to represent this feature:
- Right-click on the
MD_County_boundaries
layer and chooseDuplicate
. A second copy of the layer will appear inLayers Panel
. - Drag the new copy so that it is between the
Neighborhood_diabetes
andBaltimore City Boundary
layers in theLayers Panel
, and turn the layer on.
We...