Creating Shaded Relief in Blender

Welcome! This is the long-awaited text version of my Blender relief tutorial, following on the video series I did a few years back. If you’ve already seen the videos and are returning for a refresher, note that I use a somewhat different method now, so don’t be surprised if you encounter unfamiliar settings.

This tutorial will take you an hour or two to get through — but I think the results are quite worth it. More importantly, note that your second relief will take much less time than this first one, since most of the work you’ll be doing can be saved and simply reloaded for future relief projects. Once you’ve invested the time to get comfortable with it, this technique can fit within ordinary production timelines.

This tutorial is, and will remain, free, but if you derive some value from it, you are welcome to make a donation to support my continued work.

Version History

Version 2.1 (Oct 30, 2019) — Added step in Chapter 6 to change the heightmap’s color space, to avoid lowlands being washed out.

Version 2.0 (Sep 29, 2019) — Major revision for Blender 2.80. All screenshots replaced to reflect the new UI. Many steps rewritten to reflect new interface elements and new names for tools/features/menu items. Removed some no-longer-needed material, such as UV unwrapping, are no longer needed. Thanks to Diane Fritz for her notes on changes, which helped me double-check my work.

Version 1.2 (May 14, 2018) — Added new section in Chapter 7, pointing readers toward the idea of rendering relief on a pre-colored plane. Suggested by Anton van Tetering.

Version 1.1 (Jan 29, 2018) — Changes to Chapter 6: Added section on denoising, and alterered render settings to suggest using Limited Global Illumination. Both of these tips are courtesy of Dunstan Orchard.

Version 1.0 (Nov 16, 2017) — Initial release of text version.


Why Blender? In short: Blender makes better-looking relief. Most of the cartographers I know do their shaded relief in ArcMap or another GIS program, or sometimes they use Photoshop or Natural Scene Designer. All of these programs use basically the same algorithm, and you get a pretty similar results, as seen below. This standard GIS hillshade looks OK, but it’s rather noisy and harsh.


As Leland Brown has put it, this looks sort of like wrinkled tinfoil; full of sharp edges.

Blender, on the other hand, is designed specifically for 3D modeling. People use it for CGI, animations, and plenty more cool stuff. It’s intended to simulate the complexities of how light really works: the way it scatters, the way it reflects from one mountain to the next, and the way its absence creates shadows. Here’s Blender’s version of the same area:


Notice how it’s softer and more natural. The peaks cast shadows, and then those shadowed areas are gently lit by light scattered off of nearby mountain faces. Notice also how the structure of the terrain becomes more apparent. In a standard hillshade, I think you lose the forest for the trees. Here’s a side-by-side comparison of the two methods:


Blender’s result not only looks more attractive and realistic, it’s also more intelligible, I think. Certain features of the landscape become more apparent — look at the valley below, running northeast-southwest. It’s hard to tell how wide it is, or that it’s a valley at all, when looking at the standard hillshade. But the Blender relief makes its structure clear, thanks to the improved modeling of lighting.


Whereas the standard hillshade algorithm makes pixels lighter or darker based solely on which direction they’re facing, Blender looks at the scene’s context, and whether that pixel is in a mountain shadow or is in a position to catch scattered light. The result is a more attractive, more understandable relief.

Table of Contents

This is a fairly long tutorial, as I mentioned, so for your convenience I’ve split it up into multiple chapters.

  1. Getting Set Up: We begin by downloading Blender and preparing a heightmap
  2. Blender Basics: Here, we’ll learn to navigate the software
  3. The Plane: We shall set up a plane mesh and apply a heightmap texture
  4. The Camera: Let us prepare to image the plane correctly
  5. The Sun: In which we cast light upon the plane
  6. Final Adjustments: Here, lingering settings are finally adjusted
  7. Advanced Thoughts: For your consideration on future days

Please enjoy, and if you see any errors (either typographical or of fact), please do let me know. I hope that this tutorial empowers you to produce work you can be proud of!

33 thoughts on “Creating Shaded Relief in Blender

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  6. Got any advice for using this/your same workflow on a DEM that isn’t square or rectangular? I have a county DEM the has an irregular shape and the resulting TIFF export contains white space in the outside portions of the extent. The portions that have “No Data” alter the render. Would a PNG with transparent background solve the problem of using a DEM that has an irregular shape?

    • I’ve dealt with this situation when using DEMs that leave the ocean as “no data.” I would recommend filling those empty areas with black, rather than white. Transparency won’t do it, I don’t think. Even in a transparent raster, every pixel is filled in with some number, just a number that certain programs choose to ignore and depict as invisible. Blender likely wouldn’t use that to make the plane vanish, since the DEM is being read only to modify the plane’s height. With those areas being white, as you’ve see, the plane gets very high and creates shadows over the “real” area. If you make it black, they’ll be very low and stay more out of the way, not casting shadows.

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  15. Super nice tutorial series Daniel, kudos! Just did the whole series and rendered the IBCAO polar dataset with 15% resolution. Turned out quite nice, see Twitter mention. Would NEVER have been able to do that without your extensive input. Written for humans, thanks for that!

    However, in the final “Advanced thoughts” tutorial, are you sure about replacing the “Displacement” node with a “Math Multiply” node? I’ve seen this in another tutorial which is built on top of yours as well:

    When I did that, it seemed like it shifted the camera perspective considerably towards southwest, more or less proportional to the multiplication value. Only when I switched back to “Displacement” as for the ordinary BW render, it started to behave again.

    Didn’t you have that behavior yet? Maybe a Blender version issue? I’m on the latest, v2.81. The rest I configure mostly as you did, with the exception of some minor unrelated settings.

    • Thanks for the kind words! That screenshot was older, thanks for noticing. It was provided by someone else for an earlier version; I’ll get a new one in there today.

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  19. Thanks for the awesome tutorial Daniel! Have you had success with large renders (something like 12000×7200)? Wondering if you have any tips and tricks!

    • I have definitely done some large renders successfully. I am not sure offhand how large they were, but several thousand pixels per side. It’s possible to run into memory limits depending on your hardware, though. You could split the DEM into chunks, too (I used to do this in an older workflow). Make sure to leave some overlap, so that shadows from one chunk don’t abruptly stop at the edge of another chunk. If you’re willing to spend a bit, you can also get things done faster and avoid tying up your computer by using a render farm.

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  22. Thank you so much for this useful tutorial! But i have one question: at step six Rescale you have the following formula: (Pixel Value – 120) ÷ (1500 – 120) * 65,535

    What do i have to fill in at Pixel Value? My raster information says that my Pixel Depth is 32 Bit.

    • This is a formula run on a pixel-by-pixel basis in your raster calculator. So in the example, it would take the value of each pixel, regardless of what that value is, and subtract 120 from it, before dividing it by 1500-120, and multiplying by 65,535. The correct syntax will vary based on the GIS program you are using, so you’ll need to read up on the details of your GIS program’s raster calculator.

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  24. You are very important in spreading this methodology. I am particularly grateful. But many people have difficulties mainly in the preparation of the DEM in Qgis or Arcgis. Why not make this tutorial a video? Thankful!

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