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geom3d

 IsFacetted
 test if the given polyhedron is of facetted form

 Calling Sequence IsFacetted(ngon)

Parameters

 ngon - polyhedron

Description

 • The routine IsFacetted returns true if the given polyhedron is of facetted form; false otherwise.
 • The command with(geom3d,IsFacetted) allows the use of the abbreviated form of this command.

Examples

 > $\mathrm{with}\left(\mathrm{geom3d}\right):$

Define a facetted small rhombiicosidodecahedron

 > $\mathrm{SmallRhombiicosidodecahedron}\left(p,\mathrm{point}\left(o,0,0,0\right),1.\right)$
 ${p}$ (1)
 > $\mathrm{facet}\left(\mathrm{fp},p,1\right)$
 ${\mathrm{fp}}$ (2)
 > $\mathrm{IsFacetted}\left(\mathrm{fp}\right)$
 ${\mathrm{true}}$ (3)
 > $\mathrm{draw}\left(\mathrm{fp},\mathrm{style}=\mathrm{patch},\mathrm{lightmodel}=\mathrm{light4},\mathrm{orientation}=\left[0,30\right],\mathrm{title}=\mathrm{Facetted Small Rhombiicosidodecahedron}\right)$