n the y-direction after plotting.                 
    <a href="xtick.html">xtick</a>      - Sets locations of x-axis tick marks.                             
    <a href="ytick.html">ytick</a>      - Sets locations of y-axis tick marks.                             
    <a href="ztick.html">ztick</a>      - Sets locations of z-axis tick marks.
 
  Color and colormaps
    <a href="colorquant.html">colorquant</a>  - Sets the color axis according to quantiles of the data.
    <a href="lansey.html">lansey</a>  