39 lines
1.5 KiB
Groff
39 lines
1.5 KiB
Groff
.TH JOIN 3 "25 April 1991"
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.SH NAME
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im_lrjoin, im_tbjoin \- join two images into one
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.SH SYNOPSIS
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#include <vips/vips.h>
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int im_lrjoin( IMAGE *im1, IMAGE *im2, IMAGE *imout )
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int im_tbjoin( IMAGE *im1, IMAGE *im2, IMAGE *imout )
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.SH DESCRIPTION
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These functions join two image left-right or top-bottom. Both input images
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should have the same no of bands and the same BandFmt. Output has the same no
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of bands and BandFmt as input. Only the history of the first image is kept by
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the output image.
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im_lrjoin() joins two images held by image descriptors im1 and im2 and writes
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the resultant byte image on the image descriptor imout. The number of the
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extracted channels are identical for all images. The Xsize of imout is the
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sum of the Xsizes of im1 and im2; the Ysize of imout is the min of the Ysizes
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of im1 and im2. When joining im1 is on the left side of imout and im2 is on
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the right side of imout.
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im_tbjoin() joins two images held by image descriptors im1 and im2 and writes
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the resultant byte image on the image descriptor imout. The number of the
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extracted channels are identical for all images. The Xsize of imout is the
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min of the Xsizes of im1 and im2; the Ysize of imout is the sum of the Ysizes
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of im1 and im2. When joining im1 is on the top side of imout and im2 is on
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the bottom side of imout.
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.SH RETURN VALUE
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The function returns 0 on success and -1 on error.
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.SH SEE ALSO
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im_extract(3), im_lrmerge(3), im_insert(3)
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.SH COPYRIGHT
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.br
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K. Martinez, N. Dessipris,
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.SH AUTHOR
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K. Martinez and N. Dessipris \- 25/04/1991
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