文件列表:

qrot3d (0, 2005-04-30)
qrot3d\Makefile (766, 2005-03-11)
qrot3d\qrot3d.c (6655, 2005-04-30)
qrot3d\qrot3d.def (38, 2005-01-12)
qrot3d\qrot3d.dll (49152, 2005-04-30)
qrot3d\qrot3d.m (949, 2005-03-11)
qrot3d\qrot3d.mexglx (11438, 2005-04-30)
qrot3d\qrot3d.ncb (101376, 2005-04-30)
qrot3d\qrot3d.o (4916, 2005-04-30)
qrot3d\qrot3d.sln (901, 2005-01-12)
qrot3d\qrot3d.suo (8192, 2005-04-30)
qrot3d\qrot3d.vcproj (3854, 2005-03-11)

Name: qrot3d Author: Steven Michael (smichael@ll.mit.edu) Date: 3/10/2005 ############################################################ The following code implements quaternion rotation on a 3-D set of data. for a reference, see: http://mathworld.wolfram.com/Quaternion.html ############################################################ Compilation: The base distribution includes binary MATLAB functions for Linux and Windows. The functions were compiled with Matlab R14. I have not tried them with other versions, but they should work. The Windows compiler used is MS Visual Studio.NET 2003 (v7.1). The linux compiler is gcc version 2.96 (RedHat Linux 7.3). To compile in Linux, simply type "make" in the base directory. Some variables may need to be changed in the Makefile depending upon MATLAB version and C compiler. I've included the MS Visual Studio project for compiling the "qrot3d.dll" file as well. ############################################################ Example Usage: rotation of a dataset about the Z axis by an angle of pi/3 data = rand(10000,3); omega = [0 0 1]; theta = pi/3; rotdata = qrot3d(data,omega,theta) rotation of the dataset about a pre-defined quaternion data = rand(10000,3); omega = [0 0 1]; theta = pi/3; q = [cos(theta/2), omega.*sin(theta/2)]; rotdata = qrot3d(data,q); ########################################################### Fixes: 4/29/05 Fix problem with double precision rotation

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