return the vertices incident to a given vertex of a polyhedron - Maple Help

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geom3d[incident] - return the vertices incident to a given vertex of a polyhedron

Calling Sequence

incident(ngon, i)

Parameters

ngon

-

polyhedron

i

-

positive integer

Description

• 

The routine incident returns a list of vertices incident to the i-th vertex of the given polyhedron ngon.

Examples

withgeom3d:

Define a snub cube with center (0,0,0), radius of the in-sphere 1

SnubCubes,pointo,0,0,0,1

s

(1)

nopsverticess

24

(2)

Find the coordinates of vertices which are incident to the second vertex

inc:=incidents,2

inc:=13313+2317+31132/31917+31132/31131617+31131/3+11817+31131/3113,718317+31131/3+1931617+31132/311+518317+31132/31617+31131/31113+2317+31132/31917+31132/31131617+31131/3+11817+31131/3113,19317+31132/3217+31131/313+2317+31132/31917+31132/31131617+31131/3+11817+31131/311317+31131/3,13313+2317+31132/31917+31132/31131617+31131/3+11817+31131/3113,19317+31132/3217+31131/313+2317+31132/31917+31132/31131617+31131/3+11817+31131/311317+31131/3,718317+31131/3193+1617+31132/311518317+31132/3+1617+31131/31113+2317+31132/31917+31132/31131617+31131/3+11817+31131/3113,19317+31132/3217+31131/313+2317+31132/31917+31132/31131617+31131/3+11817+31131/311317+31131/3,718317+31131/3193+1617+31132/311518317+31132/3+1617+31131/31113+2317+31132/31917+31132/31131617+31131/3+11817+31131/3113,13313+2317+31132/31917+31132/31131617+31131/3+11817+31131/3113

(3)

nopsinc

3

(4)

The command with(geom3d,incident) allows the use of the abbreviated form of this command.

See Also

geom3d[faces], geom3d[vertices]


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