[Spice_discussion] quarternion definition

[Boris Semenov]

Dear Ryosuke --

The  "white paper” explaining differences between various quaternion
styles commonly used in space applications is available on the NAIF's
FTP server at this URL:

ftp://naif.jpl.nasa.gov/pub/naif/misc/Quaternion_White_Paper/Quaternions_White_Paper.doc

Sincerely,
Boris.

Ryosuke NAKAMURA wrote:
> Dear SPICE guys.
> 
> The tutorial on CK says:
> 
> 
>>The quaternion returned by M2Q follows SPICE-style which is differentfrom the quaternion styles used by some other sources of orientationdata, for example spacecraft telemetry. ?See headers of M2Q and Q2M routines and Rotations Requiredreading document for more details.?NAIF also prepared and can provide a “white paper” explaining differences between various quaternion styles commonly used inspace applications.
> 
> 
> I do not understand the difference between SPICE and Non-SPICE style
> even after checking the specifed headers and documents. Where can I find the
> "white paper"?
> 
> -----------------------------
> 
> Ryosuke NAKAMURA
> Institute of Space and Astronautical Science (ISAS),
> Japan Aerospace Exploration Agency (JAXA),
> Sengen 2-1-1, Tsukuba 305-8505, Japan
> 
> E-mail: ryosuke at selene.tksc.jaxa.jp
> Tel:81-29-868-2526 Fax:81-29-868-2982
> 
> 
> 
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