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dotgen - make an image of two crossed sinusoidal wave patterns
dotgen
outimage size scalex scaley [-a]
dotgen generates an image of
two crossed sinusoidal wave patterns. The output image can be used as input
to thresh to create halftoned images. The output of dotgen is a square image
size pixels on a side. scalex and scaley are floating point values that
can be used to change the density and rotation of the dot pattern. If they
are both integers, the output image will match up with its self when it
tiles the plane. The -a option causes dotgen to take the absolute value of
the sum of the two sinusoids.
thresh(6D)
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