# Synopsis

(macro) long gdx_GetNumOfApproxBrkPnts()

# Purpose

Get the current GDX number of linear approximation 3D points break points.

# Description

This function gets the current GDX number of linear approximation 3D points break points. The number of 3D points break points indicates the number of linear approximation segments in the current GDX linear approximation workspace.

# Return

Number of 3D linear approximation break points