How to use polar coordinate measurement software

What you want to ask is how to use the polar coordinate gauge software? The use method of polar gauge software is to enlarge, reduce and rotate gestures, so that the plan can be enlarged, reduced and rotated. Luo Geng, a flying star in the sky, has become one of the compasses commonly used by Feng Shui masters. Polar compass software can zoom in, zoom out and rotate the plan by using gestures to zoom in, zoom out and rotate.