Geographical information systems based on raster data models can efficiently manage and analyze this data. This article presents the raster-based GIS model developed for pipeline routing and lists ...

So don’t be stuck in the Point, Line and Polygon GIS. Dust off your old GIS text books and I’m sure you will find a chapter on grid cell or raster based GIS. The good news is that with programs like ...

Contents note continued: Selecting: Both Map Data and Attribute Data -- Using the Measure Tool and the Identify Tool -- County Boundaries and Polygons -- Tiger/Line Files -- The Table of Display vs.

Raster Data Model: A method of representing continuous data using a matrix of uniformly sized cells or pixels, each holding a value that corresponds to a measured phenomenon. ... GIS Data Models.