Cluster-baset Hillshade with terrain tools: too dark and contrasted resultcluster hillshade
Posted 21 December 2016 - 03:42 PM
Posted 22 December 2016 - 10:40 AM
You can achieve the result in the second image by adjusting the contrast and brightness in the Display tab.
Posted 24 December 2016 - 07:22 AM
thank you very much for your reply, I have done some experiments. I would like to get color with shading relief similar to the topographic map that I attached, which was obtained overlaying a green color (forests) to a grayscale shaded. Which method of compositing I should use fora similar result?
Posted 24 December 2016 - 06:06 PM
the terrain generalization which I've obtained with terrain sculptor is too bad..
know you a software to obtain a terrain generalization ? Arcmap / terrain tools does not seem have this option.. or I'm wrong?
With contrast and brightness in Display tab, it seems to me that the dynamic contrast always remains very high
Posted 25 December 2016 - 09:10 AM
Looks to me like the Z factor is not set correctly. Give this a try if you haven't already.
Posted 25 December 2016 - 12:28 PM
thank you for your suggestion, it is possible that the cause of the problem is the one you suggested.
The imported file to which I applied hillshade in Arcmap is a dem tiff format,which before being imported into arcmap was converted to ESRI ASCII grid file, then it was processed in terrain sculptor and finally imported into Arcmap for the application of hillshade.
If I process the dem (tif) original in arcmap I get a hillshade with proper contrast but unfortunately in this way without generalization of the land, for this reason I was wondering if there is an internal tool to arcgis for generalization.
Posted 26 December 2016 - 09:56 AM
You can also create a new color ramp with a low end of gray instead of black. So your hillshade raster would be stretched between white and 50% gray, or something like that.
...With contrast and brightness in Display tab, it seems to me that the dynamic contrast always remains very high
Posted 27 December 2016 - 03:25 PM
To create terrain generalization in ArcMap I run focal statistics on my DEMs.
Depending on the original resolution and the desired outcome a 5x5 neighborhood Focal Mean smooths things out quite nice. I would clip out a small area for testing and experiment until you get what your desired result.
co-cartographic creator of boringmaps.com
Posted 18 January 2017 - 03:34 PM
There's some helpful guidance in this blog post by Daniel Huffman: https://somethingabo...n-in-photoshop/ (start about halfway down, where he says, "Next up is the shaded relief.").
I saw his talk about this at NACIS this year and it was chock full of useful tools and techniques for terrain.
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