Graphics Programs Reference
In-Depth Information
This nesting effect is what gives us the golden spiral found in conch shells (
Figure 4-17
)
and elsewhere
in nature. This logarithmic spiral is called the
spira mirabilis
(
Figure 4-18
)
. This spiral can also be used as a
tool to guide the placement and layout of elements in the picture plane.
Figure 4-19
shows the arms laid out
to fall within the spiral arm.
Figure 4-17:
A golden spiral in nature
Figure 4-18:
A golden rectangle with a nested rectangle and spiral in red
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