9.5. GIS Book: Contour creation
Contours are lines connecting points of equal value that represent continuous phenomena (Huisman & A. de By, 2009). Contours are […]
dem
9.3. GIS Book: Creation of slope maps
Slope is the main factor that determines and differentiates the shapes of the relief. Given two points of different altitudes,
9.2. GIS Book: Digital elevation models
A Digital Elevation Model (DEM) is a raster representation of a continuous surface. It usually refers to the earth’s surface,
Manipulating raster data in QGIS
I was encouraged to make this publication as a result of a consultation I had. Sometimes when we work with
Demarcation of endorheic basins in ArcGIS
Endorheic basins (internally drained) have no surface outlet (to a river) and lose water through evaporation and sometimes underground. In
Integrating a dike into a DEM in QGIS 3
In this case we developed a case study using tools available in QGIS 3. It will show how to alter
Building a QGIS 3 Digital Elevation Model
On this occasion we will see how to generate a Digital Elevation Model (DEM) that reflects the shapes of the
3D Flood Simulation in ArcGIS
In ArcScene you can simulate floods to know which parts would be affected if a flood were to occur. Although
Download a free Digital Elevation Model (DEM)
Digital Elevation Models (DEM) have multiple applications. It is possible to download a DEM from anywhere in the world for
View the relief of a satellite image in ArcGIS
If it is required to display the relief or altitude of a satellite image (as shown in the Google Earth
Zonal Statistics with ArcGIS
The zonal statistics tool allows you to calculate various statistics for one or more previously defined zones, based on the