So whether we are mapping States, Walmart outlets or rivers, each individual State, Walmart outlet or river can be referred to as a “feature”. In GIS each location/thing on the map is generically referred to as a “feature”. You see a GIS is data driven, and we use rules to dictate the color or appearance of each “feature” on the map. To an extent that is what’s happening, except the GIS is doing the work rather than you. To change the color based on which dealer it belongs to. A Category map showing sales territories for Tom, Dick, and Harry Let’s Take A Look Under the HoodĪ common misconception for those new to GIS, is that maps - like the category map above - are created in the same way that a graphic designer might create an illustration i.e., starting with the outlines and then clicking on each area By looking at the legend we can quickly see which sales territories belong to which dealer. The example below shows sales territories, categorized by dealer. The most common type of GIS map, and in many way the most simple is the category map.Ī category map allows us to visualise which category each location belongs to. Let’s go ahead and look at some common examples. The idea being that each visualization is communicating something that might not be obvious from the raw data alone.
The most common use of a GIS is is to produce data visualizations in the form of a map.
#FREE GIS MAPS SOFTWARE#
Beginner's Guide What is GIS? GIS Mapping GIS Data GIS Software Web GISĪ GIS has one purpose: To allow you to quickly and easily answer questions about your data that relate to location.
0 kommentar(er)
