Digital Geography

QGIS Tutorial II: from data to map – preparing data visualisation

In this tutorial I would like to show you, how to create a topographic map and analyse topographical data using freely available SRTM data and QGIS including some data manipulation. This is part one explaining how to get data, remove missing values, explore the relief and changing the color representation of a TIF file obtained by the USGS.

How to make a simple topographic map in ArcGIS 9.3.1. Part 1.

So, we all know how a topographical map looks like. On a topographic map, we see different objects, which are indicated by different symbols. For example, we see the elevation marks, vegetation, settlements and so on. But how to make topographic map itself? It is in this article, you will learn how to make a simple topographic map. All we need is a digital elevation model and ArcGIS (I use ArcGIS 9.3.1). Our map will display terrain and elevation marks (contours). As a digital elevation model I will ASTER GDEM v.2. But there are other digital terrain models, such as…