This filter is found in
Image>Filters/Distorts/Waves.
With this filter you get the same effect as a stone thrown in a
quiet pond, giving concentric waves.
10.14.2.
Options
Preview
All your setting changes will appear in the Preview without
affecting the image until you click on OK.
Don't keep Do Preview checked if your
computer is too much slow.
Modes
Smear: Because of the waves, areas are
rendered empty on sides. The adjacent pixels will spread to
fill them.
Blacken: The empty areas will be filled
by black color.
Reflective
Reflective: Waves bounce on sides and
interfere with the arriving ones.
Amplitude
Amplitude: Varies the height of waves.
Phase
Phase: This command shifts the top of
waves.
Wavelength
Wavelength Varies the distance between
the top of waves.
Published under the terms of the GNU General Public License