hypsometric tinting and different color ramps for arid versus humid
I've been trying to figure out how to accomplish a shaded relief where Death Valley doesn't look like a lush forest. I came across an article by Tom Patterson http://www.shadedrelief.com/hypso/hypso.html that describes how to accomplish this task using Photoshop, but I don't have Photoshop and would prefer to do this in ArcMap. Do you have any suggestions? I've tried overlaying two different color ramps with 50% transparency each but the effect isn't what I'm trying to achieve.
Mapping Center Answer:
I think the best way to do this is to create a new elevation grid just for the Death Valley area and apply a unique color ramp to that grid. This will work if you use elevation to define the extent of Death Valley.
The trick then is to make the color ramp for the Death Valley area have the same color for the elevations along the edge as the elevation for the larger grid. You can use the Eyedropper tool to find the color of the cells in the larger grid that were located along the edge of my lake grid.
Let me know if you need more details, and I can publish more detailed instructions.
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