A hillshade is a grayscale 3D model of the surface, with the sun's relative position taken into account for shading the image.

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How to average gdal_hillshades?

For some unknow reason, my average of 3 hillshades is very dark : gdaldem hillshade input.tif hillshades_C.tmp.tif -s 111120 -z 5 -az 315 -alt 60 -compute_edges gdaldem hillshade input.tif ...
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48 views

Wrong Coloramp function in ArcGIS 10.2.1

I want make elevation map use new method Learn a new method But i have problem with Coloramp function whatever the choice of color ramps. What's wrong?
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6 views

How to install mdenoise on linux?

It is suggested to install mdenoise via : wget http://www.cs.cf.ac.uk/meshfiltering/index_files/Doc/mdsource.zip unzip mdsource.zip cd mdenoise g++ -o mdenoise mdenoise.cpp triangle.c ln -s ...
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107 views

Make permanent layer in ArcMap, Image Analysis Functions to display hillshade

I use ArcGIS 10.2.2. I want to make relief map, so that it looked good at all scales. I use hillshade function but after Export data relief looks good only in one scale. I use this method Using ...
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37 views

How do you set sea level elevation to white in terrain analysis?

I have ASTER files I am working with to create a shaded relief background for some other vector shapefiles. In experimenting with different color-elevation options, I am unable to have the Terrain ...
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58 views

How to calculate an Illumination raster for fire ignition danger analysis?

I am doing a fire ignition danger analysis using this equation that I found in Millington (2012) http://www.jmecology.com/wp-content/uploads/2014/03/33-42-MILLINGTON.pdf IR = 4H + 3V + 2I – E Where: ...
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Improve gdaldem hillshade output (lighten up flat parts)

I have a hill-shading that I made using gdaldem hillshade which is already pretty good. I used the option -alt 60 to get nice contrast, but the problem is, that with lowering the light-source, also ...
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60 views

QGIS procedure for Multidirectional, oblique-weighted, shaded-relief?

Is QGIS capable of the multidirectional, oblique-weighted,shaded-relief method described at http://pubs.usgs.gov/of/1992/of92-422/of92-422.pdf ? If so, what are the steps necessary in QGIS to ...
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69 views

Mosaic hillshade function does not save statistics/histograms in ArcMap 10.2.1

I used ArcGIS 10.2.1. on Windows 8. I did hillshade function for DEM and Calculate statistics. Every time I go into ArcMap statistics strays: I try to add this function on mosaic but didn't worked. ...
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104 views

Smooth hillshade in all scales in ArcGIS Server 10.2.1

I publish relief map on server and view his on arcgis.com map. But in export i can change dpi from 96 to 300 and result smooth Any ideas how i can do so that the hillshade was smooth in all ...
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120 views

Strange black pixel on edge when generating with gdaldem -hillshade

I'm getting a strange result when I'm generating an hillshade with the gdaldem hillshade command. Here is my command (see the compute_edges parameter): ...
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59 views

Errors trying to use MDOW Hillshade Model (ArcMap 9.3) in ArcMap 10.2

I am attempting to use Hillshade Tools to generate hillshade from a DEM. I am using ArcMap 10.2.1, and it looks like the tool is made for 9.3. Anyway, I get this error 000875: "Output raster's ...