NEWPLOT Get Handle For Next Plot

Section: Handle-Based Graphics

Usage

Returns the handle for the next plot operation. The general syntax for its use is 
  h = newplot

This routine checks the nextplot properties of the current figure and axes to see if they are set to replace or not. If the figures nextplot property is set to replace, the current figure is cleared. If the axes nextplot property is set to replace then the axes are cleared for the next operation.