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fmaskrot

$ \bigcirc$Name


fmaskrot crop the central circular region of a Fimage




$ \bigcirc$Command Synopsis


fmaskrot [-b bg] [-s s] in out



-b bg : background grey value, default: 0.0

-s s : linear transition support (in pixels), default 10.0

in : input Fimage

out : output Fimage




$ \bigcirc$Function Summary


Fimage fmaskrot (in , out , bg , s )

Fimage in , out ;

float *bg , *s ;




$ \bigcirc$Description


This cosmetic module replaces the grey levels of a Fimage with a fixed background level (bg) outside the maximal centered disk included in the input image. A smooth (linear) transition (the width can be specified with the -s option) is performed at the junction between the image and the background. You may want to call this module before calling frot or fftrot.




$ \bigcirc$Version 1.0


Last Modification date : Thu Nov 29 20:23:56 2001


$ \bigcirc$Author


Lionel Moisan






next up previous contents index
Next: fproj Up: Reference Previous: flocal_zoom   Contents   Index
mw 2004-05-05