Map Overlay and Zooming for Satellite Images
Journal Title: International Journal of Computer Science & Engineering Technology - Year 2013, Vol 4, Issue 2
Abstract
Map overlay and satellite image zooming makes map reading more convenient. These techniques are the building block for various analysis operations in GIS. Map overlay is performed by layering maps in the form of shapefiles over a raster map. In this paper map overlay is performed using uniform grid method. The shapefiles are placed one over the other using the coordinate information attached with these files. Satellite image (Raster Map) zooming enable users to view the inner details of the map which will provide a real world view. The proposed system achieves this by first tiling the image and then generating an image pyramid with these tiles. While zooming, the system loads only tiles of the required portion of the image instead of loading the entire image.
Authors and Affiliations
Deepthi S , Subu Surendran
Keywords
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