How to get a perfect displacement map | Cg Blog

How to get a perfect displacement map

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You need to render a rock surface and you just have a diffuse map. ( Look here for Free Textures! )
How to convert it in a good displacement map?

Open the texture in photoshop and work it in order to get your displacement map. But often we just get really dotted surfaces, like “BAD Displacement” above? How to improve it?

In this video I use a combination of Photoshop filters to get a good displaced rock.
Watch the Video , download the Files and complete the Exercise to fix the concept.

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What I show in the video is the Cutout filter:

Cutout reduce the nuances present in the image, thus solving most of the problems!

The classic steps to create a displacement map is:

  • Transform it in black and white texture
  • Contrast the image
  • Save and apply it in the displacement channel

Ok guys, today I want to suggest one step more:

Apply the cutout filter (to reduce the color variations):

Look at the difference in the image below:


If you want to refine the displacement map you can use Gaussian blur filter.
The displacement will be softer.

/ Also Learn Corona Renderer

18 Responses

  1. Shadi Sabbagh says:

    It is a good idea thank you

  2. pep says:

    really useful!!


  3. Thanks for this… Looks great!

  4. That is a nice trick! Thanks for sharing.

  5. Free 3d models says:

    Hey thanks, this is really a nice cool tip, got great map.

  6. says:

    What an amazing article. Thank you for the insight…

  7. C4ptain_Mike says:

    This is a great tip! Ive been working on a good way to do this and this hits the sweet spot 🙂

  8. Amazing tip, Ciro!

    Thanks for the useful info!

    Looks better and renders faster!

  9. Mark says:

    Amazing website! thanks so much!

  10. inner says:

    thank you

  11. indera says:

    very nice tutorial….thanx a lot

  12. keivan says:

    Really useful

  13. szimano says:

    Thank you!

  14. theepr says:

    im new to Ur Blog found Ur write ups are absolutely fantastic and more helpful


  15. Sir Rikimaru says:

    Never realized such keen issue on displacement map. Thanks for the nice insight this prove to be useful

  16. Vrexplorer says:

    very nice tut and trick,

  17. nagesh says:

    really good tip……thank you

  18. Sergiu says:

    Really great tip !

    Thanks a lot !

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