1. function: show all the layers in the current layout view
command: load("/home/username/PDK_build/cjShowLayer.il")
2. function: caculate the area of selected layers in the current layout view
user guide: load("/home/username/PDK_build/JW_Area.il")
choose layer(one or more)
bind key: 9
3. function: caculate the length of selected path & the width and length of selected rectangel in the current layout view
user guide: load("/home/username/PDK_build/pathlength.il")
choose path or rectangle(one)
bind key: 1