| Ray Testing |
| List of: | Discussion Topic | |
| Subjects: | Ray Testing | |
| Contents: | Fundamental Concepts | |
| ACIS uses ray testing for positional analysis (as well as for picking). A ray of a specified initial position, direction, and radius can be "fired" to determine the positional relationships of objects. For example, this can be used to determine where a ray intersects a body or the position on a curve closest to a given ray. | |||||