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Landsat Imagery



Landsat Images :
Figure 1 : Landsat multi-spectral image of an area measuring 40 x 40km.
Figure 2 : The central area of the first image, 20 x 20km
Figure 3 : Processing of the thematic data can reveal various types of information

 

Terrain Models:
Figure 4 : Digital Terrain Models (DTMs) graphically illustrates changes in elevation and drainage patterns
Figure 5 : Adding the line of the defences reveals the elevated setting of the city


Simulation of Satellite Images :
Figure 6 : Three-dimensional simulations can be created by draping the Landsat image over a digital map
Figure 7 : 3D simulations can be viewed from any position
Figure 8 : This particular view emphasizes the north facing aspect of the entire site
Figure 9 : Exaggeration of the vertical scale emphasizes the mountain top location that was selected for the site of this new city
Figure 10 : 3D simulations can be processed in different ways
Figure 11 : Detailed version of Fig. 6. Vegetation, hydrology and soil cover can be mapped
Figure 12 : In this image red indicates moisture, and is thus an indication of vegetation cover, while blue represents agricultural land after the harvest. The intense blue feature at top right is an open-cast coal mine.

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