ScatterPloMatrix: Don't highlight points on small plots.
ScatterPloMatrix: Don't highlight points on small plots.

Kitware/flow,Kitware/tangelohub,Kitware/tangelohub,lukejharmon/tangelohub,Kitware/flow,adsorensen/flow,Kitware/flow,lukejharmon/tangelohub,adsorensen/flow,Kitware/flow,adsorensen/flow,lukejharmon/tangelohub,adsorensen/flow,adsorensen/flow,Kitware/tangelohub