Digital Terrain Analysis 7

Using shaded relief to look at the “grain” of the landscape

or “Lineament Analysis”

Use hillshading from different perspetives to highlight features of different orientation.
Here’s a look at part of the Colorado Plateau with NE-SW fault zones, but is there more….?
The left side is illuminated from the NW (315) and the right is from the SW (195)

try it on the DEM in demo/topo

Perspective ?
How do create a sense of looking at a real 3D image?

  • atmospheric effects
    • reflection or haze (scattering)
    • illumination of “dark” shadows with reflection or haze
    • clouds? skyline? tree line?

Type “terrain visualization” into Google and you’ll see what I mean.