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NIH Image

Reduces or enlarges the contents of the current rectangular selection. If Nearest Neighbor is checked, scaling is done quickly using pixel replication, but the resulting image my not be smooth. Check Bilinear for smoother, but slower, interpolated magnification. Note that bilinear interpolation will probably not work correctly with true color images because of discontinuities in the LUT. If Angle is non-zero, the contents of the selection are also rotated the specified number of degrees. Rotation will be clockwise for positive angles and counter-clockwise for negative angles.


Image SXM
In addition to interpolation methods Nearest Neighbor (fast) and Bilinear (better) there is also the option of Bicubic (best).



Steve Barrett     November 2014


S.D.Barrett @ liv.ac.uk