Node:Icosahedron Getstart, Previous:Dodecahedron Getstart, Up:Polyhedron Getstart



Icosahedron

An icosahedron has 20 similar regular triangular faces. The following examples show the same Icosahedron using different projections:

     default_focus.set(3, 0, -10, 2, 0, 10, 10);
     Icosahedron i(origin, 3);
     i.draw();
     


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Fig. 45.


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Fig. 46.


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Fig. 47.


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Fig. 48.

In [next figure] , i is filldrawn. In this case, the surface hiding algorithm has worked properly. See Surface Hiding.


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Fig. 49.