25 lines
688 B
Groff
25 lines
688 B
Groff
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.TH SINES 1 "27 January 1992"
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.SH NAME
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sines, squares \- creates a spatial sine or square wave form
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.SH SYNOPSIS
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.B sines image xsize ysize horfreq verfreq
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.B squares image xsize ysize horfreq verfreq
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.SH DESCRIPTION
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.B sines
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creates an one band unsigned char
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image of the a sine waveform in two dimensions.
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The sizes of the created image are xsize by ysize. The number of
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horizontal and vertical spatial frequencies are determined by the variables
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horfreq and verfreq respectively.
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.B squares
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creates an one band unsigned cahr image by thresholding a sine waveform.
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.SH SEE\ ALSO
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grey(1), im_sines(3X), squares(1).
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.SH COPYRIGHT
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.br
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N. Dessipris
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.SH AUTHOR
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N. Dessipris \- 27/02/1992
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