Coordinate Transformation Problem

[pspeed]

How to type code blocks

Markdown code block : Embed your code in 3 backticks, like this ```<optional language> //your code here ``` If you don’t know how to type a backtick, here are some related links : How to type a backtick on windows For mac users : On qwerty keyboards it’s the key right to the left shift (along with the " key). On azerty keyboards it’s the key over the right shift (along with the £ key). This uses highlight.js, but uses a subset of the supported langages (following code block uses java)…

As to the other, you haven’t shown us what “contactPoint” is or where it comes from.

As written, you have basically said:
“I put my box at A but A is not what I expect.”

…and we don’t know anything about A.