N-dimensional rotation [message #23095] |
Fri, 05 January 2001 03:58 |
Mhyst
Messages: 6 Registered: October 1999
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Junior Member |
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Hi everybody!
I was wondering if the ROT and ROTATE functions of IDL 5.3 allow the
rotation of N-dimensional vectors, but I have just found that only 1D and 2D
arrays can be specified as input parameters for these functions.
I would be grateful if somebody could give me some links to
information/source code about this subject. Our current objective is to
analyze the N-dimensional scatterplot of a hyperspectral image in order to
find spectrally pure elements. I know ENVI has a tool (N-dimensional
visualizer) which allows to visualize and rotate the data cloud
interactively, but our purpose is to incorporate some automation to the
process.
Many thanks in advance.
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Antonio Plaza Miguel
Departamento de Inform�tica
Escuela Polit�cnica de C�ceres
University of Extremadura, SPAIN
aplaza@unex.es
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