Geographic Information Systems
Spatial Data Modelling

Mark Foley
mark.foley@dit.ie

Modelling spatial data

Introduction

Stages involved in constructing a GIS data model

Stages involved in constructing a GIS data model

Spatial data models

A simple spatial entity model for Happy Valley

A simple spatial entity model for Happy Valley

Building a model

Examples of surface data

Examples of surface data

Elevation and snow depth contours in Happy Valley

Elevation and snow depth contours in Happy Valley