<html> <head> <style></style> </head> <body class='hmmessage'> Dear all,      I want to define zones via the click-on-grid facility.I choose the floor plan extrusion mode and define zones,but when I exit from the click on facility,no zone appeares in the window,except the direction axis.But strangely,I can still enter the option of geometry&attribution and find all zones with right vertex coordinates and surface list.Moreover,when I restart the project manager and try to open the model again,it fails,reminding that could not find *.cfg.I feel disappointed.I just do the same thing as the cookbook tells.Your answers will be expected.Thank you in advance.   <hr />使用新一代 Windows Live Messenger 轻松交流和共享！ <a href='http://www.windowslive.cn/Messenger/' target='_new'>立刻下载！</a></body> </html>