Basic concepts about Spatial information, Definition, Historical evolution and need for spatially
based resource information system, objectives of GIS - Manual v/s automated GIS.
Data structure types of data structure, Raster and Vector formats, advantages and
disadvantages of various data structures and data formats.
Data input: data pre-processing, methods of data capture, digitization and scanning methods,
commonly used map projections and ellipsoids.
The format of GIS - Handling digital Geographical Information Data - Analysis of single data
planes in Raster format - Analysis of Multiple data planes in Raster format - Uses of
topographic data in Raster format - Data structures for thematic maps.
Digital Elevation Model (DEM): need, methods, data sources and products of DEM - Digital
Terrain Modeling (DTM) - Input verification, storage and methods of data analysis for Spatial
modeling - Methods of GIS and Spatial interpolation