# Zline

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### Purpose

Adds vertical lines to 3D figure at specified locations.

### Synopsis

- h = zline(
*x,y,lc*)

### Description

ZLINE draws a vertical line on an existing 3D figure from the bottom axis to the top axis at at postions defined by `x` and `y` which can be a scalar or vector.

Optional input * lc* is used to define the line style and color as in normal plotting (see MATLAB PLOT command).

If no inputs are supplied, ZLINE draws a vertical green line at 0,0

Output `h` is the handle(s) of line(s) drawn.

### Examples

zline(2.5, 1.2,'-r')

plots a vertical red line at x = 2.5 and y = 1.2.