Adding a grid to the map
An annotated reference grid is useful for map products used to locate features. This recipe teaches you how to add both reference lines on a map and annotations for the lines around the edges of the map.
Getting ready
You will need a shapefile for this map from https://github.com/GeospatialPython/Learn/raw/master/Mississippi.zip, and you need to extract it to your qgis_data directory in a subdirectory named ms.
As with the previous recipes in this chapter, we will use the MapComposer library from https://github.com/GeospatialPython/Learn/raw/master/MapComposer.py, to simplify the creation of the map composition.
Place the file in the .qgis2/python directory within your home directory.
How to do it...
In this recipe, the general ...
Get QGIS Python Programming Cookbook - Second Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
