The vector and raster storage models are two of the most commonly used storage models in Geographic Information Systems (GIS). Both models have different characteristics and uses, making them suitable … Read more
Tables are used to store descriptive information. In ArcGIS they are usually linked to a vector layer or appear individually. The alphanumeric information forming a table can be stored as … Read more
At certain times when loading new layers into ArcMap, a warning message (“The following data sources you added are missing spatial reference information. This data can be drawn in ArcMap, … Read more
6.1. GIS Book: Creating shapefiles The ArcCatalog application (open from the Windows Start menu) is used to create new vector entities such as points, lines or polygons. On the left-hand … Read more
We will continue to explore tools that allow us to generate graphs that help us analyze our data. In this opportunity we will use a QGIS plugin, which takes advantage … Read more