• Create BookmarkCreate Bookmark
  • Create Note or TagCreate Note or Tag
  • PrintPrint
Share this Page URL
Help

5. Acquiring Map Data > 5.1. Appraising Your Data Needs

Appraising Your Data Needs

What you need will vary greatly depending on your goal, so you should first determine the goal or final product of your work. Along with this comes the need to assess what kind of map information you want to portray and at what level of detail. The following sections are a guide to thinking through all your requirements before starting a project.

Vector Maps or Raster Maps?

If you want to make a custom map, you need to determine what kind of map data you require. There are two kinds of maps, each requiring different kinds of map data.

A vector map shows features made up of points, lines, or polygon areas, as in Figure 5-1. For instance, this can be a local road map or a global map showing locations of power stations and their respective countries.


PREVIEW

                                                                          

Not a subscriber?

Start A Free Trial


  
  • Creative Edge
  • Create BookmarkCreate Bookmark
  • Create Note or TagCreate Note or Tag
  • PrintPrint