STUDY ON THE METHOD TO EVALUATE HELIPORT CLEARANCE
BASED ON AUTOCAD VBA
1）Air Force Engineering University，Xi’an 710038
Abstract A method to evaluate heliport clearance was proposed，based on AutoCAD VBA secondary development program conducted and heliport clearance principle.In the method，a model of the obstacle limitation surfaces for each military heliport clearance area and a program ware costructed，using VBA language.The pragam can generate flat map of each military heliport clearance area and obstacle clearance evaluation database automatically.The flat maps will show location of the obstacles in the military heliport clearance and clearance assessment results.The experiment showes that the method is simple，efficient,and easy to keep secrecy.Therefore，it is suitable to military heliport clearance assessment.
Key words ：
heliport
airport clearance
the secondary developed based on AutoCAD
clearance evaluation
Received: 09 April 2014
Published: 22 July 2014
Cite this article:
Guo Yongqiang,Shao Bin,Wang Guanhu et al. STUDY ON THE METHOD TO EVALUATE HELIPORT CLEARANCE
BASED ON AUTOCAD VBA[J]. jgg, 2014, 34(4): 149-152.
Guo Yongqiang,Shao Bin,Wang Guanhu et al. STUDY ON THE METHOD TO EVALUATE HELIPORT CLEARANCE
BASED ON AUTOCAD VBA[J]. jgg, 2014, 34(4): 149-152.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2014/V34/I4/149
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