Supported Datum Types in CAM2
Overview
CAM2® supports planar and linear datum types. When applying datums to a feature, it is important to select the correct type, to avoid incorrect calculations. The table below details what features can be used as datums, and how / where datum type is located.
Download a PDF of this procedure:
| Key | |
|---|---|
![]() |
Feature |
![]() |
Datum type / location |
| Feature | Planar Datum | Linear Datum | Comments |
|---|---|---|---|
| Plane | ![]() |
Not Supported | |
| Line | Not Supported | ![]() |
|
| Point | Not Supported | Not Supported | Multiple points can be used to construct a supported feature. |
| Vector Point | ![]() |
Not Supported | |
| Circle | ![]() |
![]() |
|
| Sphere | Not Supported | Not Supported | Multiple spheres can be used to construct a supported feature. |
| Cylinder | Not Supported | ![]() |
|
| Cone | Not Supported | ![]() |
|
| Round Slot | ![]() |
![]() |
|
| Rectangular Slot | ![]() |
![]() |
|
| Ellipse | ![]() |
![]() |
|
| Torus | ![]() |
Not Supported |
See Also
Keywords:
GD&T, Help Sheet, GDT001

















