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Relief-Shaded Elevation Map

Mount St. Helens is an active volcano in Washington state, in the northwest region of the United States.

At 8:32 Sunday morning, May 18, 1980, Mount St. Helens erupted. To date, it is the deadliest and the most destructive volcanic event in the history of the U.S.

In this Demonstration, digital elevation data of St. Helens is shown. Shading changes according to the angle of the light source and the elevation multiplier.

Contributed by: Yu-Sung Chang

Show Initialization Code

(Over 500 lines omitted)

Digital elevation data is courtesy of USGS.

ReliefPlot (Wolfram Mathematica Documentation Center)

Geospatial Formats (Wolfram Mathematica Documentation Center)

Volcano (ScienceWorld)

"Relief-Shaded Elevation Map" from The Wolfram Demonstrations Project
http://demonstrations.wolfram.com/ReliefShadedElevationMap/

Contributed by: Yu-Sung Chang

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