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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