sstretch old

Contents: Description, Arguments, Usage, Examples, Images, Related Functions, Source Supported Under Version: >1.00 Current .dvrc Version: 1.03 Description Perform a sigma stretch. The data is stretched according to the equation: ((data/avg)*(variance/stddev))+127 where: 'variance' is a changeable variable but is defaulted to the value of 40 'avg' is the average of the non-ignore value data 'stddev' is the standard deviation of the non-ignore value data Arguments and Return Values Arguments: Any numeric array Return Value: A byte array Usage Syntax: sstretch(image [, ignore = VAL] [,variance = VAL]) Examples dv> a 320x650x10 array of short, bsq format [4,160,000 bytes] dv> pic1=sstretch(a[,,1],variance=10) 320x650x1 array of byte, bip format [208,000 bytes] dv> display(pic1) dv> pic2=sstretch(a[,,1]) 320x650x1 array of byte, bip format [208,000 bytes] dv> display(pic2) dv> pic3=sstretch(a[,,1], variance=90) 320x650x10 array of byte, bip format [2,080,000 bytes] dv> display(pic3) Images pic1 pic2 pic3

DavinciWiki Mini-Nav Bar Contents Functions Function Categories Common Procedures Glossary Download Davinci Change Log News Mailing List Contact Developers davinci-dev [AT] mars.asu.edu All other topics See navigation on the left Related Functions nstretch hstretch thm.sstretch stretch dcs image_stretch.dvrc sstretch_old() Recent Library Changes Change Log Created On: 02-15-2006 Modified On: 01-17-2008