1. Lecture 05 Organizing Geographic Data
GTECH 361
Lecture 05 Organizing Geographic Data

2. Today’s Objectives
Describe two common data models used to represent geographic data
List different geographic data formats
Determine the data source of a layer in ArcMap
Identify data formats in ArcCatalog
Create a geodatabase
Add data from different formats

3. The Vector Data Model

4. The Raster Data Model

5. Organizing Vector Data
All features in a feature class have the same geometry type, the same attributes, and are located within a common geographic extent

6. The Geodatabase

7. Coverages
In Arc/Info
In MS Explorer

8. Shapefiles

9. Grids
Discrete vs. continuous

10. Imagery