spirals
do you want an archimedean lollipop
or an logarithmic one ?
with this plugin you can create spirals with different
shapes, sizes or colors
there are two spiral modes:
 archim.
this mode creates an Archimedean spiral with an equal distance between two windings
 log
this mode creates a logarithmic spiral with an increasing distance between the windings
(for more information about spirals please consult a mathematical encyclopedia)
the parameters of the plugin:
 no
with this parameter you can determine how much spirals come out of the origin
values between 1 and 24 are allowed
 windings
with this parameter you can adjust how much windings the spiral(s) have
 width
you can adjust how the ratio between the spiral and the room in between with this parameter:
 0 means there will be no spiral at all
 0.5 creates an spiral with an symmetric spiral/room ratio
 1 means the spiral touches itself
 size
the x and ycoordinates are multiplied by this value before doing the calculations;
a larger value results in seeing more of the spiral
 rotation
the spiral is rotated clockwise by this value
 noise
if this parameter is nonzero (larger than 0.001 to be exactly) it
will cause a distortion of the spirals
 value mode
there are different ways to determine the texture value for a point:
 0 points inside the spiral gets the value 1.
 1 the value is linear increasing from 0. to 1.
 2 the value is linear increasing from 0. to 0.5 and then decreasing to 0.
 3 same as before but with an quadratic increasing/decreasing
 47 the behavior is similar to 03 but different spirals gets different
values or value intervalls
 no aalias
with this option you can disable
antialiasing for this texture even if it was enabled in the render
window (it is useful if you use colorbands to avoid artefact effects)
 ani speed
you can animate this texture by setting this parameter to a value different from 0;
the spiral will be rotated ani speed degrees every frame
 bump
you can turn bump mapping on with this button
 bump size
you can adjust the bump mapping effect with this parameter
examples
here you see a few example pics:
these pictures are created with the
bump mapping feature
download
here you can get the Csource and a precompiled version for a linux i386 libc6 and
a IRIX system as a gzippedtarfile:
the spirals plugin
if you've any enhancements, corrections, questions or comments to any of my
plugins please let me know
