## ZLIM Adjust Z Axis limits of plot

Section: Handle-Based Graphics

### Usage

There are several ways to use `zlim` to adjust the Z axis limits of a plot. The various syntaxes are

       zlim
       zlim([lo,hi])
       zlim('auto')
       zlim('manual')
       zlim('mode')
       zlim(handle,...)

The first form (without arguments), returns a 2-vector containing the current limits. The second form sets the limits on the plot to `[lo,hi]`. The third and fourth form set the mode for the limit to `auto` and `manual` respectively. In `auto` mode, FreeMat chooses the range for the axis automatically. The `zlim('mode')` form returns the current mode for the axis (either `'auto'` or `'manual'`). Finally, you can specify the handle of an axis to manipulate instead of using the current one.

### Example

    --> x = linspace(-1,1);
    --> y = sin(2*pi*x);
    --> plot(x,y,'r-');
    --> zlim  % what are the current limits?

    ans =

       -0.5000    0.5000

which results in

Next, we zoom in on the plot using the `zlim` function

    --> plot(x,y,'r-')
    --> zlim([-0.2,0.2])

which results in