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Spatial Information Technology
What is an overlay analysis?
The hallmark of GIS is overlay operation. An integration of multiple layers of maps using overlay operations is an important analysis function. In other words GIS makes it possible to overlay two or more thematic layers of maps of the same area to obtain a new map layer. Map overlay can be used to study the changes in land use over two different periods.
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What are different ways in which spatial data is built in GIS core?
What is spatial information technology?
Discuss raster and vector data formats. Give examples.
Write an explanatory account of the sequence of activities involved in GIS related work.
What is GIS?
What are the main types of GIS?
What are three basic elements of cartography?
What is the importance of computer in cartography?
What are the elements of data structure?
Name some of the main GIS and mapping softwares.
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