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QGIS Python Programming Cookbook

You're reading from   QGIS Python Programming Cookbook Over 140 recipes to help you turn QGIS from a desktop GIS tool into a powerful automated geospatial framework

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Product type Paperback
Published in Mar 2015
Publisher
ISBN-13 9781783984985
Length 340 pages
Edition 1st Edition
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Author (1):
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Joel Lawhead Joel Lawhead
Author Profile Icon Joel Lawhead
Joel Lawhead
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Table of Contents (11) Chapters Close

Preface 1. Automating QGIS FREE CHAPTER 2. Querying Vector Data 3. Editing Vector Data 4. Using Raster Data 5. Creating Dynamic Maps 6. Composing Static Maps 7. Interacting with the User 8. QGIS Workflows 9. Other Tips and Tricks Index

Adding a table to the map

QGIS composer provides an object to add a table to a composition, representing either the attributes of a vector layer or an arbitrary text table you create. In this recipe, we'll add a table to the composition with the attributes of our map layer shapefile.

Getting ready

Download the shapefile for this map from https://geospatialpython.googlecode.com/svn/Mississippi.zip and extract it to your qgis_data directory, to a subdirectory named ms.

As with the previous recipes in this chapter, we will use the MapComposer library from https://geospatialpython.googlecode.com/svn/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...

The following steps will create a map composition, add the table, and output the composition to an image:

  1. First, we import our GUI libraries and the MapComposer library:
    from PyQt4.QtCore import *
    from PyQt4.QtGui import *
    from qgisfromqgis.core import...
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