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geometry

 VerticalCoord
 compute the vertical coordinate of a given point

 Calling Sequence VerticalCoord(P)

Parameters

 P - point

Description

 • The routine returns the vertical coordinate of the given point P
 • The command with(geometry,VerticalCoord) allows the use of the abbreviated form of this command.

Examples

 > $\mathrm{with}\left(\mathrm{geometry}\right):$
 > $\mathrm{point}\left(A,2,8\right),\mathrm{point}\left(M,u,v\right)$
 ${A}{,}{M}$ (1)
 > $\mathrm{VerticalCoord}\left(A\right)$
 ${8}$ (2)
 > $\mathrm{VerticalCoord}\left(M\right)$
 ${v}$ (3)