protected float GetVolumeIntersection( AxisAlignedBox box, ushort x, ushort y, ushort z )
{
// Get bounds of indexed region
AxisAlignedBox regionBounds = GetRegionBounds( x, y, z );
AxisAlignedBox intersectBox = regionBounds.Intersection( box );
// return a 'volume' which ignores zero dimensions
// since we only use this for relative comparisons of the same bounds
// this will still be internally consistent
Vector3 boxdiff = box.Maximum - box.Minimum;
Vector3 intersectDiff = intersectBox.Maximum - intersectBox.Minimum;
return ( boxdiff.x == 0 ? 1 : intersectDiff.x ) *
( boxdiff.y == 0 ? 1 : intersectDiff.y ) *
( boxdiff.z == 0 ? 1 : intersectDiff.z );
}
