by Nur Awaluddin
GIS capabilities include:1. Location MappingData realities in the Earth's surface will be mapped into several layers with each layernya represents a collection of objects (features) which have in common, such as roads layer, the layer of building lots. Layers are then combined with the adjusted order. Any data on each layer can be searched, as well as perform queries against the database, to then be seen lying in the overall map.This capability enables one to find where the location of a region, object, or any other on the earth's surface. This function can be used such as to locate the house, looking for the road route, looking for landmarks and the other is on the map.
2. Mapping QuantityPeople often map the quantity, that is something related to the number, such as where the most or where the least. By looking at the spread of these quantities can look for places that match the desired criteria and are used for decision making, or also to find the relationship of each place. This mapping will be easier observation of the statistical data than the usual database.3. Mapping the density (Density)Mapping density is very useful for data such as census or large amounts of statistical data area. For example, To see the location of the customers with the highest amount of electricity consumption or the use of relatively less power. So that data can be used as a basis for decision making in addressing the problems occurred due to the density imbalance.4. Mapping ChangesBy entering the time variable, GIS can be made to the historical maps. This history can be used to predict the future state and can also be used for policy evaluation.5. Mapping What Is Within and Outside an AreaGIS is also used to monitor what is happening and what decisions will be taken to map out what is in an area and what lies outside the area. For example, an electrical substation with a certain capacity, to serve customers within a certain distance from the location of the electrical substation. With this map, can be considered in decisions for future planning, for example, to install additional new electrical substation in areas unreachable by existing electrical substations.
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