About this document
GIS Spatial Data: Raster vs. Vector Models by Graham Zvirewo is a document available to read on EtoBox.
The document discusses two approaches to handling spatial data with GIS: the raster data model and the vector data model. The raster model uses a grid of cells to represent information, with each cell holding a value. The vector model represents points, lines, and polygons precisely using coordinates. The document provides examples of how a water official may use raster models for tasks like flood hazard mapping and vector models to precisely map utilities. It also discusses advantages and limitations of ea
- Author
- Graham Zvirewo
- Language
- EN