WHAT IS DEM SURFACE
The most common digital data of the shape of the earth's surface is cell-based digital elevation models (DEMs). This data is used as input to quantify the characteristics of the land surface.
Read More:-INTRODUCTION OF DIGITAL ELEVATION MODEL
Open the Arc Map
Go to File >Add data>Add XY data...
Fill in the Add XY dialogue box. Select the data table where placed. The data table should be .csv formate. Select the Xyz field. Edit the coordinate system. Then press OK.
All coordinates of the table are drawn on the drawing area in the form of the points.
Arc toolbox>click on 3D Analyst tools>Raster interpolation> click on kriging.
Then a raster dataset is drawn on the drawing sheet.
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