def add_minor_yticks(self, plotid=0, **kw):
'''
'''
p = self.plots[plotid]
m = MinorTicksOverlay(component=p, orientation='h', **kw)
p.underlays.append(m)
def add_minor_xticks(self, plotid=0, **kw):
"""
"""
p = self.plots[plotid]
from pychron.graph.minor_tick_overlay import MinorTicksOverlay
m = MinorTicksOverlay(component=p, orientation='v', **kw)
p.underlays.append(m)