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I have been searching for a way to be able to define spherical coordinates of the points in a XYZ matrix, based on a local coordinate system (new origin and xyz axes). All I have been running into is this new global2localcoord code in Matlab 2012 that the previous versions apparently don't have.
Could someone help me figure out how to do this?
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The general procedure is:
localCoor = rand(3, 100); translationOfLocalOrigin = rand(3, 1); rotationOfLocalCoorSystem = <DirectionCosinMatrix>; % [3 x 3] matrix
globalCoor = bsxfun(@minus, localCoor, translationOfLocalOrigin); globalCoor = rotationOfLocalCoorSystem * globalCoor;
If you need more details, e.g. for the paraphrased "<DirectionCosinMatrix>", please post more details for your available input.