images/
vis_image_getsize.pro
includes main-level programReturn the x and y size of the given image array.
top vis_image_getsize
result = vis_image_getsize(im [, true=long] [, n_channels=long])
Returns the size of the image array as a two element array, [xsize, ysize]. The TRUE keyword can be set to indicate the interleave or it can be guessed if the TRUE keyword is not present.
Return value
lonarr(2)
Parameters
- im in required type=image array
image array of the form (m, n), (3, m, n), (m, 3, n), or (m, n, 3)
Keywords
- true in out optional type=long
Set to 0 for (m, n) array images, 1 for (3, m, n), 2 for (m, 3, n), and 3 for (m, n, 3).
If TRUE is not present, VIS_IMAGE_GETSIZE will attempt to guess the size. 2D images will automatically be set to TRUE=0; 3D images' dimensions will be searched for a size 3 dimension.
The TRUE value used will be returned through the variable if it was not passed into the routine.
- n_channels out optional type=long
set to a named variable to get the number of channels (or bands) for the image; will be 1, 2, 3, or 4
File attributes
| Modification date: | Mon Nov 29 18:32:40 2010 |
| Lines: | 97 |
| Docformat: | rst rst |