gis course Archives - Page 2 of 3

8.4. GIS Book: Merge

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

Gabri / October 7, 2019

Tables are used to store descriptive information. In ArcGIS they are usually linked to a vector layer or appear individually.

Gabri / October 5, 2019

The Project tool allows you to project spatial data from one coordinate system to a different coordinate system. Practice: A

Gabri / October 5, 2019

At certain times when loading new layers into ArcMap, a warning message (“The following data sources you added are missing

Gabri / October 5, 2019

The process of digitizing polygons is similar to that of polylines. In the Create Features panel, select the layer (e.