How to determine whether the file is 2D or 3D?

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How to determine whether the file is 2D or 3D?

Postby Cambridge Ray » Sat Nov 24, 2012 12:17 am

What I would like to code is this:

I enter the DXF file, and as soon as I find the first line segment that contains a non-zero Z value, I return: "This is a 3D file". I am even willing to return a "2D" answer after inspecting the first dozen points or so.

Given the callback architecture of the library (or my newbieness) what I have is a counter of non-zero Z points. This approach can be excruciatingly slow, specially when dealing with a large number of files.

TIA,

-RFH
Cambridge Ray
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