GEOM 9 (Mar 3)

Buffering

The creation of a polygon that is a specified distance around a point, line, or area feature.

Intersect

A vector operation that identifies overlapping areas between two layers.

Union

A vector operation that combines features from two layers while retaining the overlap.

Erase

A vector operation that removes specific areas of one layer based on the boundaries of another.

Symmetrical Difference

The inverse of intersection, returning areas of both layers without overlap.

Focal Analysis

A raster operation that processes a small group of cells to determine the influence of surrounding cells.

Zonal Operations

Raster operations that analyze all values within a defined area or region.