What is Raster Data?

Raster data consists of rows and columns of cells where in each cell is stored a single value from 0 to 255. They are characterized by pixel values. For example, orthoimagery, aerial photography, digital elevation models, and digital raster graphic (USGS Topo DRG) are often stored as raster data.

Show All Answers

1. What is GIS?
2. What is the purpose of GIS?
3. Where does the information come from?
4. What is Map Scale?
5. What is a Projection?
6. What is an Orthoimage?
7. What is an Attribute Table?
8. What are some of the common data formats?
9. What is Vector Data?
10. What is Raster Data?
11. What is a Mapsheet?
12. What is a GPS?
13. What is Metadata?