Define expected fields for SubampleSettings
Define expected fields for SubampleSettings

This defines the expected fields, "strides" and "volumeBounds", for the
SubsampleSettings.

Signed-off-by: Patrick Avery <743342299f279e7a8c3ff5eb40671fce3e95f13a@kitware.com>

OpenChemistry/tomviz,OpenChemistry/tomviz,OpenChemistry/tomviz,OpenChemistry/tomviz