MicroStation CONNECT Edition Help

Converting MicroStation Elements to IGES Entities

When you export a DGN file, MicroStation elements (left) are translated to the related IGES entities (right) unless the IGES entity is excluded (see Excluding IGES entities).

MicroStation Element IGES Entity
1. Cell Library Header 308. Subfigure Definition
2. Cell Headers 408. Subfigure Instance
3. Line 110. Line
4. Line String 106. Copious Data
5. Group Data Ignored
Saved View 410. View
Color Table 314. Color Definition
6. Shape 106. Copious Data
7. Text Node 212. General Note
11. Curve 126. Rational B-spline Curve
12. Complex Chain 102. Composite Curve
14. Complex Shape, if bounded 144. Trimmed Surface
15. Ellipse
  • 100. Arc (Circles only)
  • 104. Conic
16. Arc
  • 100. Arc (Circles only)
  • 104. Conic
17. Text 212. General Note
18. Surface of Revolution 120. Surface of Revolution
Surface of Projection 118. Ruled Surface
19. Solid of Revolution 128. Solid of Revolution
Solid of Projection 118. Ruled Surface
21. B-spline Pole Exported with B-spline Curve or B-spline Surface header
22. Point String 116. Point(s)
23. Cone 128. Rational B-spline Surface
24. B-spline Surface Header
  • If not bounded
  • If bounded
  • 128. Rational B-spline Surface
  • 144. Trimmed Surface
25. B-spline Surface Boundary 142. Curve On A Parametric Surface
26. B-spline Knot Exported with B-spline Curve or B-spline Surface header
27. B-spline Curve 126. Rational B-spline Curve
28. B-spline Weight Factor Exported with B-spline Curve or B-spline Surface Header
33. Dimension Dimension or primitive elements, such as line and text

See Exporting dimension elements.

34. Shared Cell Definition 308. Subfigure Definition
35. Shared Cell Instance 408. Subfigure Instance
36. Multi-linea Exported as primitive components
37. Tag Text
66. MicroStation Application Ignored
87. Raster Header Ignored
88. Raster Data Ignored