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 of the same type (points, lines or polygons). Caution should … Read more

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 all records (if none is selected) or only the selected … Read more