tinc:getbreaklineelevation


(tinc:getBreakLineElevation  ename  constraint)

This function returns the intersection elevation type of the breakline constraint for the ename TinSurface entity or NIL.

Arguments

ename  (ename)  the TinSurface entity to query
constraint  (integer or ename)  the breakline constraint to be queried

Return

(integer) bcTinElevationMin 1, bcTinElevationMax 2, bcTinElevationMid 3, or NIL

Example

(tinc:getbreaklineelevation tin constraint)  3

Remarks

if the specified constraints is not of breakline type, NIL is returned;
for the EIntersectionElevation intersection elevation type symbolic names, please see Type Constants


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