public IList<VoxelVolume> GetVolumes()

{
  var x_max = voxelLayer.GetVolumes().Max(v => v.GetVolumeSize().X);
  var y_max = voxelLayer.GetVolumes().Max(v => v.GetVolumeSize().Y);
  var z_max = voxelLayer.GetVolumes().Max(v => v.GetVolumeSize().Z);

  //Get the dimensions of just one volume
  var dimensions = voxelLayer.GetVolumes().FirstOrDefault();
  //Get the dimensions of the volume associated with the selected variable
  var dimensions2 = voxelLayer.SelectedVariableProfile.Volume.GetVolumeSize();
}