May 2016
Beginner to intermediate
446 pages
10h 7m
English
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Defining the data models
We already know which database objects we are going to need to store the uploaded shapefiles:
- The
Shapefileobject will represent a single uploaded shapefile - Each shapefile will have a number of
Attributeobjects, giving the name, data type, and other information about each attribute within the shapefile - Each shapefile will have a number of
Featureobjects which hold the geometry for each of the shapefile's features - Each feature will have a set of
AttributeValueobjects which hold the value for each of the feature's attributes
Let's look at each of these in more detail and think about exactly what information will need to be stored in each object.
The Shapefile object
When we import a shapefile, there are a few things we need ...
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