<div class="htmlview paragraph">Soon after the styling door surface, glass drop, and belt height are determined, the placement of window system components is critical in effecting a smooth operating window system with low effort. For single arm - single post window systems, a computer analysis technique has been developed to position the post and regulator in the most optimum location. The computer program used displays results through the use of computer graphics. This graphic output allows instantaneous evaluation of how variations in geometry effect the window system operation.</div>