the idee is greet i hav nothing aginst your sphere the only think waht i hace seen or notice if iwanted to select that the sphere is crated at you say but than the mide point is going to the poit at i look and than the sphere disapper beacuse the distance is going zero.
i hope i explain it this time better.
But i muss say i haven test your Radil select yet but i will in the next days
half hou later:
I have test the radial select and i know now how tu use the selcttoll XD i was always to fast^^ for it so sorry to say it was bad or not well maked XD