Re: [Plib-users] Problem with rotations results

[Ben W. <be...@ec...>]

Wow, I had no idea the results returning from a matrix were that like tha=
t.. I=20
understood what you meant, when you said h <> h, and so on. But I didn't=20
realise just how off they would actually be.. Anyway back to the point, I=
 was=20
wrong about the 0 and 180, its at 90 degrees that cause the problem. Here=
 is=20
the header, pitch and role from the 3 different rotations. Take a close l=
ook=20
at the pitch.

Header
Header: 88.999992, Pitch: 0.000000, Role: -0.000000
Header: 89.999992, Pitch: 0.000000, Role: -0.000000
Header: 90.999992, Pitch: 0.000000, Role: -0.000000

Pitch
Header: -0.000000, Pitch: 88.002075, Role: -0.000000
Header: -0.000000, Pitch: 89.004166, Role: -0.000000
Header: 0.000000, Pitch: 90.000000, Role: 90.000000

Role
Header: -0.000000, Pitch: 0.000000, Role: 88.999992
Header: -0.000000, Pitch: 0.000000, Role: 89.999992
Header: -0.000000, Pitch: 0.000000, Role: 90.999992

As you can see in pitch when it hits 90 on pitch, role also goes to 90. T=
he=20
one thing that I just noticed is that non of the other rotations get to=20
exactly 90.0.=20

Any ideas, thanks for all your help steve.
Ben