tin:getminelevation


(tin:getminelevation  tinEname  visibleOnly)

This function returns the minimum Z elevation of all or visibleOnly points used by the definition of the tinEname TinSurface entity.

Arguments

tinEname  (ename or vla-object)  the TinSurface entity to query
visibleOnly  (T/NIL) specifies whether to use all definition points (NIL), or only the visible points (T)

Return

(double)  the minimum Z elevation value for the specified points

Example

(tin:getmaxelevation tin T)  52.15
(tin:getmaxelevation tin NIL)  58.50

Remarks

see (tin:getmaxelevation) function


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