GIS(Geographical Information System) is not a software in itself. It is the systematic organization of geographic data, information and hypothesis so that accessing it at required moment is fast with information easily indexed so that switching from one IS(information system) to another IS is not inconvenient.
First Things First
ArcView GIS is the old version. If you have it… upgrade the system.
ArcMap GIS is used to explore geographic data and create maps (extension: [.mxd])
The information stored about map is based on how it should be displayed.
The graphical information that are used in publishing a map are:
- Arrow (N)
Saving a map
It can be done from Data Source Options:
We store full path names to data sources
It is a way of grouping a set of layers you want to display together
Click Data Frame
Add Data from Standard Toolbar
Importing GIS data source
Importing a data source can be available from:
- earthexplorer.usgs.gov : imagery data
- nassgeodata.gmu.edu/cropscape : crop Agriculture
Conventions used in Arc GIS: 1/9 Arc Second = 3 metres (3m)
Note: The information being provided is based on ArcGIS 9 Tutorial.
Last Update: September 14, 2017
September 14, 2017 113 Ekendra (KMDB) ICT Tools
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