You can turn off the line thickness by setting command LWDISPLAY to "OFF". This would just hide the thickness of the line. If you want to reduce the line thickness then type in commmand LW and set the default to 0.00mm/0.00" and then click ok. ---ವಿನೋದ್ ಕೆ...
65.Line of Sight– Planning high-rise buildings so they don’t obstruct the view of the mountains in Portland using the line of sight tool. (3D Analysis Tools) 66.Exposure to Noise– Orchestrating urban mobility plans with special consideration for the impact of environmental noise using OrbisG...