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GIS Tutorials for Beginner, Intermediate, and Advanced GIS Users -
Inverse Distance Weighting (IDW) Interpolation using QGIS
( 13 Votes )
Tuesday, 03 May 2011 00:00

In this tutorial we will use a sample set of point locations to create a raster surface based on the data’s attribute values. To do this we will use the IDW interpolation method. Surface interpolation is used when you have data for certain [ … ]

Single Band Raster Layer Symbology in QGIS
( 6 Votes )
Saturday, 30 April 2011 00:30
Pseudocolor Raster

In this tutorial, you will be given a sample single band raster layer and will use the pseudocolor and custom colormap options to symbolize it.  A single band raster layer means the image contains one band.



Download the [ … ]

Importing an Image to Real World Coordinates in AutoCAD
( 9 Votes )
Friday, 22 April 2011 00:00
GIS Orthophoto

This tutorial will show the user how to import a georeferenced image into AutoCAD so that it contains true ground distances and coordinates found in the real world. You will set up a Cartesian coordinate system with measureable units, specify [ … ]

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