GIS Day

GIS Day is an international event that is celebrated annually on the third Wednesday of November. The event is designed to promote the use of geographic information systems (GIS) technology … Read more

9.6. GIS Book: Map algebra

The raster layer calculator (or simply raster calculator) is created to run algebraic expressions using various tools and operators through the interface of a simple calculator tool (Raster Calculator tool). … Read more

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 each cell with new information. Data can be reclassified from … Read more