MapWindow GIS (www.mapwindow.org) is a free GIS that you can use without needing to have ArcView or ArcGIS. Once you've added the MMP Tools plug-in to MapWindow, you can follow the instructions below ...
A Shapefile is a GIS file in which vectors like points, lines, and polygons are used to represent geo locations like rivers, lakes, country boundaries, well, and more. Each of its elements or items ...
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