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Mastering Geospatial Analysis with Python
book

Mastering Geospatial Analysis with Python

by Silas Toms, Paul Crickard, Eric van Rees
April 2018
Beginner to intermediate content levelBeginner to intermediate
440 pages
11h 36m
English
Packt Publishing
Content preview from Mastering Geospatial Analysis with Python

LayerMapping

To populate the database tables created from the shapefiles, Django has a built-in concept called LayerMapping. By using the field mapping dictionary generated by manage.py, along with the LayerMapping class from django.contrib.gis.utils, the data contained in the shapefiles can be extracted and loaded into the database tables. To instantiate a LayerMapping instance, we will pass the data model, the associated field mapping, and the location of the shapefile to the class.

Create a new file called load.py and save it inside the Arenas application. Add this line to the file:

import osfrom django.contrib.gis.utils import LayerMappingfrom .models import US_States, Counties, Arenas, Districts

Open models.py and copy all of the field ...

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Publisher Resources

ISBN: 9781788293334Supplemental Content