private void SetSpace( Axis axis, float clientSize, ref float spaceNorm, ref float spaceAlt )
{
//spaceNorm = 0;
//spaceAlt = 0;
float crossFrac = axis.CalcCrossFraction( this );
float crossPix = crossFrac * ( 1 + crossFrac ) * ( 1 + crossFrac * crossFrac ) * clientSize;
if ( !axis.IsPrimary( this ) && axis.IsCrossShifted( this ) )
axis._tmpSpace = 0;
if ( axis._tmpSpace < crossPix )
axis._tmpSpace = 0;
else if ( crossPix > 0 )
axis._tmpSpace -= crossPix;
if ( axis._scale._isLabelsInside && ( axis.IsPrimary( this ) || ( crossFrac != 0.0 && crossFrac != 1.0 ) ) )
spaceAlt = axis._tmpSpace;
else
spaceNorm = axis._tmpSpace;
}