gis course Archives

11. GIS Book: Frequently asked questions

Gabri / October 8, 2019

Which zone do I select if my study area shares two UTM zones? What you usually do in this case […]

Gabri / October 8, 2019

Once the mapping process is complete, a map can be printed or exported in various formats. To print the map,

Gabri / October 8, 2019

It is impossible to transpose the real world onto a map, so that anyone who picks up a map has

Gabri / October 8, 2019

Mapping can be a laborious process until you get the right result. Viewing data to analyze and interpret spatial information

Gabri / October 7, 2019

The raster layer calculator (or simply raster calculator) is created to run algebraic expressions using various tools and operators through

Gabri / October 7, 2019

Contours are lines connecting points of equal value that represent continuous phenomena (Huisman & A. de By, 2009). Contours are

Gabri / October 7, 2019

The Reclassify tool allows the values of a raster to be reclassified; that is, it replaces the current values of

Gabri / October 7, 2019

Slope is the main factor that determines and differentiates the shapes of the relief. Given two points of different altitudes,

Gabri / October 7, 2019

A Digital Elevation Model (DEM) is a raster representation of a continuous surface. It usually refers to the earth’s surface,

Gabri / October 7, 2019

Spatial analysis is the process of modeling and obtaining results through computer processing and then examining and interpreting the results

Gabri / October 7, 2019

This tool unifies geographic information on the basis of an attribute; in other words, it merges information that shares an