I understand my previous report was very unclear. Trying to describe a visual thing in english words while you're speaking french is not obvious, so I included a snapshot of the plotted window and I will describe the really small problems I see.
1) the square and the diamond are way too large, they should display the same size as the up triangle and the down triangle, no more. 2) it is obvious that the square is displayed UNDER the line in contrary of all other symbols who are right on the line. Xtian. (Une image vaux mille mots)
