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See the section 2D IGES: Import for generic
information about the import of IGES 2D files. The import
takes all IGES 2D settings into account with the exception of
the Drafting Standard.
A new view (auxiliary view) is created in the current sheet:
- The name of the current sheet is not modified,
- The Format and Standard of the current sheet are not
modified,
- By default, the view is visible in the 3D viewer and put
in the xOy plane.
- If the IGES 2D file contains more than one view, the
entities of all IGES 2D views are created in the current
auxiliary view.
- If the IGES 2D file contains more than one sheet, the
entities of all IGES 2D sheets are created in the current
auxiliary view.
- There is no overlap of the sheets.
Example:
- the IGES 2D file contains those two sheets:

- The result is one layout sheet and an auxiliary view,
with the merge of the two IGES 2D sheets. The drawings are
juxtaposed.

Regarding the sheet background color:
- By default in 2D Layout for 3D design, the sheet
background is dark blue, since it is white in Drafting. The
consequence is that black lines that are frequent in IGES 2D
files are not, or hardly, visible.
- To improve the visibility of the result of the import in
2D Layout for 3D design, an automatic change of black and
white colors is made, based on the background luminosity value
(between 0 and 255):
- If the background luminosity is lower than 100, the
black color from IGES 2D is changed to white (both black
and white are white).
- If the background luminosity is between 100 and 200,
no color change is made.
- If the background luminosity is higher than 200, the
white color from IGES 2D is changed to black (both
black and white are black).
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