Please help me in ACIS geometry kernel



I am using ACIS geometry kernel to translate IGES file in to SAT file.
I have a line of (0,0,0) and (100,0,0) in IGES. and translated ACIS
file has line of (0,0,0) and (20,20,20).

I ma not getting from code, why second point co-ordinates are
changing.

CAn anyone help me in resolving this issue.?
thanks for your help.

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