M-File Help: ipad View code for ipad

ipad

Pad an image with constants

out = ipad(im, sides, n) is a padded version of the image im with a block of NaN values n pixels wide on the sides of im as specified by sides.

out = ipad(im, sides, n, v) as above but pads with pixels of value v.

sides is a string containing one or more of the characters:

't' top
'b' bottom
'l' left
'r' right

Examples

Add a band of zero pixels 20 pixels high across the top of the image:

ipad(im, 't', 20, 0)

Add a band of white pixels 10 pixels wide on all sides of the image:

ipad(im, 'tblr', 10, 255)

Notes


 

© 1990-2012 Peter Corke.