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rashmisharma1

convert a satellite img to polygon shape file

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Firstly, you have to classify your image using ERDAS, ENVI, Ecognition software. Secondly, convert your built-up raster class to vector (.shp format) using the mentioned software.

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thanks for replying.......i have performed unsupervised classification three times with different no. of class, now i have identified the class representing the building network.... but i dont know how to convert this class to vector shapefile. kindly help.

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