Embed Size (px)
Citation preview
1 615-8540 4-C1
E-mail:[email protected]
2 615-8540 4-C1
E-mail:[email protected]
3 615-8540 4-C1
E-mail:[email protected]
:
1.
1m
1:500 2m
1:2500
AutoCAD Civil3D
Auto CAD
FormZ Arc
Map
700m 300m
300
Focal Vision Ambient Vision
Ambient
90
90
90
0 30 60 90 120 150 180
10000
5000
2000
1000
500
100
360
50
20
m
200~500m
360
90
W N E
9°
20°
14°
0 100m
N
0 100m
N
S E W N
a b
N
0 200m 0 100m
1) :
, 1987
2) NO.372 : ,
, , 1997
3) :
( 1)
No.451 pp. 85-92 1993
4)
pp87 90 1977
5) :
1984
6)
N E S W
S WE N
