GIS book Archives - Page 2 of 4

9.3. GIS Book: Creation of slope maps

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

Gabri / October 7, 2019

Merge tool can be used to merge two or more entities into a single layer. All merging entities must be

Gabri / October 7, 2019

The Clip tool allows you to trim part of an entity based on the perimeter of a polygonal layer (Figure

Gabri / October 7, 2019

The intersection allows you to search for the area of two or more overlapping layers. The Intersect tool calculates the

Gabri / October 7, 2019

GIS tools undoubtedly automate processes that used to take a long time to carry out. In general, manual tasks often

Gabri / October 7, 2019

The Field Calculator performs simple and complex calculations for both text strings and mathematical operations. Note that the modifications affect

Gabri / October 7, 2019

The Add XY Coordinates tool allows the values of the XY coordinates to be calculated (if the layers have the

Gabri / October 7, 2019

To calculate the area, perimeter or length of the different entities, it is necessary to take into account the geometry