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im_grid - split a vertical image into a grid of smaller images
#include
<vips/vips.h>
int
im_grid( IMAGE *in, IMAGE *out,
int tile_height, int across, int down )
im_grid(3)
slices image in into a set of tiles, each the same
width as in and of height tile_height and rearranges the tiles into a
grid with across tiles across and down tiles down.
It is useful for loading
volumetric images (for example, CT or PET scans) where more than 2 dimensions
need to be displayed.
The current implementation is optimised for the
case where image in is thin and tall and across and down are large.
The function returns 0 on success and -1 on error.
im_extract_area(3)
,
im_zoom(3)
Imperial College 2005
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