From the course: Revit: Creating C# Plugins
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Revit geometry basics
- [Instructor] So far in this course we have used a few different geometry types that the Revit Api offers, such as a XYZ object, lines, and arcs. Let's take a closer look at some of the other geometry types in the Revit Api, by looking at the geometry that makes up different elements. The geometric model of a Revit 3D element is defined by a geometry element object, which is a geometric representation of an element. This object can be retrieved from an element and acts like a list containing other geometry types that make up Revit elements. These different geometry types include solids, meshes, geometry instances, curves, points, and polylines. Some of these can be further broken down. Solid objects are made up of faces and edges, and the geometry instance can contain all other geometry types, or nested geometry instances. The geometry instance, therefore, can be nested several times. A geometry instance is a piece of geometry that represents a stored set of geometry, commonly used…
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