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 […]
9.4. GIS Book: Reclassifications
The Reclassify tool allows the values of a raster to be reclassified; that is, it replaces the current values of
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,
9. GIS Book: Spatial analyst
Spatial analysis is the process of modeling and obtaining results through computer processing and then examining and interpreting the results
8.5. GIS Book: Dissolve
This tool unifies geographic information on the basis of an attribute; in other words, it merges information that shares an
8.4. GIS Book: Merge
Merge tool can be used to merge two or more entities into a single layer. All merging entities must be
8.3. GIS Book: Clip
The Clip tool allows you to trim part of an entity based on the perimeter of a polygonal layer (Figure
8.2. GIS Book: Intersect
The intersection allows you to search for the area of two or more overlapping layers. The Intersect tool calculates the
8. GIS Book: Geoprocessing tools
GIS tools undoubtedly automate processes that used to take a long time to carry out. In general, manual tasks often
7.4. GIS Book: Operations
The Field Calculator performs simple and complex calculations for both text strings and mathematical operations. Note that the modifications affect