VLEXAMPLE - BASIC 3 vlex="cx:{$cX};cy:{$cY};r:{max(100,min(200,$y/4,$x/4))}" - the gray circle should be centered at stage - its diameter should be half of stages minor dimesion - its radius should be greater then 100px and less then 200px 
                VLEXAMPLE - BASIC 3

                vlex="cx:{$cX};cy:{$cY};r:{max(100,min(200,$y/4,$x/4))}"

                - the gray circle should be centered at stage
                - its diameter should be half of stages minor dimesion
                - its radius should be greater then 100px and less then 200px