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Hi,

I'm planning to mount the vector clip on top of a pair of shutter glasses. In this configuration the vector clip would be pointing to the camera with the top marker on the forefront and the two bottom markers behind it.

This is not the configuration expected by the API. However, using the INPVector2 interface, I could modify the distances between markers. The question is, does the API allow negative values on dist01, dist02, dist12 and distol?
In that case, will I be able to represent my configuration passing some negative values?
Will the algorithm still give 3d location and Euler angles?

Thanks.

I looked at the code, and I did not see any reason why negative values should not work. The math involved is general purpose and designed with different configurations in mind.

I suggest you give it a try and see what happens.