Need help! dfx files coming out wrong

[Andrew]

When I run isogen on the lines that I'm working on it works fine, but then when I open the dfx files the orientation is all wrong. For example, if a pipe was running in the +x direction in the 3D drawing, it may be going in the -Y direction in the iso. The direction of orientation in the isos changes depending on what components of the line i run the isogen on.
Thanks
Andrew

[wuzhongbo]

I'm not sure your problem, if it's about iso direction?
Did you put the north arrow in your template, or geerated by ISOGEN?

[Bingo]

I think this problem is relate to the north arrow.
In 3D drawing,when you new a drawing,you must set direction of the north arrow.the north arrow in 3D is the same to the north arrow in ISO,so the direction of pipelines just relate to the north arrow.