Geometry Mapping
- Last UpdatedJan 05, 2026
- 1 minute read
The MicroStation dgn data file that is produced by the AVEVA ExPLANT-I Export Driver contains a series of geometry definition records. The following table shows how Design primitives are mapped to dgn record types.
|
Design |
dgn File |
|
Cylinder |
Truncated Cone |
|
Snout |
Truncated Cone |
|
Cone |
Truncated Cone |
|
Slope bottomed cylinder |
Capped Surface |
|
Sphere |
Capped Surface |
|
Dish |
Capped Surface |
|
Box |
Capped Surface |
|
Circular Torus |
Capped Surface |
|
Rectangular Torus |
Capped Surface |
|
Pyramid |
Capped Surface |
|
Polyhedron |
Cell containing a number of Shape elements |
|
Structural Rectangle |
Capped Surface or a Cell containing a number of Shape elements |
|
Structural Annulus |
Capped Surface or a Cell containing a number of Shape elements |
|
Extrusion |
Capped Surface |
If the user requests that holes to be output, then AVEVA ExPLANT-I will generate a solid object bounded by a number of facets. The facets with no holes are translated as Shapes and the facets with holes are translated as Cells containing no-hole Shapes and hole Shapes.