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c READIM -- Read through an image and count the lines (used for timing tests).
c Tests line sequential i/o.
c
c usage: readim image
c ----------------------------------------------------------------------------
program readim
character*80 image, errmsg
integer ncols, nlines, nbands, j, k
integer im, ier, axlen(7), naxis, dtype
integer*2 pix(8192)
c --- Get image name.
call clargc (1, image, ier)
if (ier .ne. 0) then
write (*, '('' enter image name: '',$)')
read (*,*) image
endif
c --- Open the image.
call imopen (image, 1, im, ier)
if (ier .ne. 0) goto 91
call imgsiz (im, axlen, naxis, dtype, ier)
if (ier .ne. 0) goto 91
ncols = axlen(1)
nlines = axlen(2)
nbands = axlen(3)
c --- Read through the image.
do 20 k = 1, nbands
do 10 j = 1, nlines
call imgl3s (im, pix, j, k, ier)
if (ier .ne. 0) goto 91
10 continue
20 continue
c --- Clean up.
call imclos (im, ier)
if (ier .ne. 0) goto 91
print 81, nlines, image
81 format (' read ', i4, ' lines from image ', a64)
stop
c --- Error exit.
91 call imemsg (ier, errmsg)
write (*, '('' Error: '', a80)') errmsg
stop
end
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