Graphics Programs Reference
In-Depth Information
function
surf
.
surf(LON,LAT,ETOPO2)
shading interp
axis equal, view(0,90)
colorbar
This script opens a new fi gure window and generates a colored surface.
The surface is highlighted by a set of color shades on an overhead view
(Fig. 7.2). More display methods will be described in the chapter on SRTM
elevation data.
ETOPO2 Data Set
20
5000
4000
15
3000
10
2000
5
1000
0
0
−1000
−5
−2000
−10
−3000
−4000
−15
−5000
−20
30
35
40
45
50
55
60
Longitude
Fig. 7.2
Display of the ETOPO2 elevation data set. The map uses the function
surf
for
generating a colored surface. The colorbar provides an information on the colormap used to
visualize topography and bathymetry.
