Geometries

There are three types of geometry within 1Integrate: points, lines and areas.

Each can be defined in terms of its dimensions, and if it has an interior, exterior and boundary.

Geometry

Dimensions

Interior

Exterior

Boundary

Description

Point

0

A point is a 0-dimensional geometry that has an interior and an exterior, but no boundary.

Line

1

A line is a 1-dimensional geometry that has an interior, an exterior, and a boundary.

If the line is a closed ring, there is no boundary (as the boundary is at the end points of a line).

Area

2

An area is a 2-dimensional geometry that has an interior, an exterior, and a boundary.

     Note: For multi-part geometries, the interior or boundary is the union of the interiors or boundaries of all parts.

Geometry Model

The model demonstrates how geometries relate to each other, and can be used as a guide when writing Rule and Action logic.

The Geometry Model diagram

     Example: Using the diagram, you can see that calling the boundary built-in for a polygon will return a line with one or more parts (one line for each inner or outer ring).