GIS Basic Concepts – urbanspatialanalytics.com

DEM using Google Earth — a tutorial.

And creating contours using that data is much easier than you think. Digital Elevation Model (DEM) depicts the elevation of a surface between known elevation points. This tutorial shows you how to use Google Earth’s elevation data to generate a DEM. In today’s world, DEMs are mostly used in GIS applications. Of course, We can download […]

How to Convert Degrees, Minutes, Seconds to Decimal Degrees -Latitude, Longitude (DMS and DD formats)

GIS Basic Concepts, Tutorials / Vishali

The fundamentals and conversion. What are Latitude and Longitudes? The ellipsoid shape of the Earth is asymmetrical. In order to create a net or grid on maps and globes, our mapmakers came up with a system of imaginary lines. Thus, there are numerous horizontal and vertical lines drawn on maps to aid in locating a

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