this means that for each x value we add 1025. this will definitely move the pointer outside of the window and that's why it is not working. and while you're out enjoying the summer's bloom. the morale in town hall is terrible. thanks for writing out your thoughts, always interesting to get inside the head of a designer! i’m still thinking about the buffalo macaroni and cheese i made just a little while ago, but this one was calling my name too. 