Far from origin texture problem

Hi,

Why suface mapping can produce normal looking texture even when far from origin whereas box mapping cant?

Planar left box right

Hello - As always, posting a file would be helpful.

-Pascal

texturepffoproblem.3dm (670.7 KB)
its funny that if its far from only X direction only faces along far side are bad.
When i move 1000000 units in X and Y all faces are bad.