Height to Normals node creates thin outline around the edges

Question

Hi, does anyone know why Height to Normals node creates thin outline around the edges? This is an issue for me cos then they create thin bump lines in areas where these normal maps meat. Here's the zoomed in example: The heightmap I'm using is a 16bit single-channel grayscale map and it doesn't have any edges along its edges at all. Here's that same area in the heightmap:(P.S. Of course I have TiIling turned off for all of my nodes.) Is there any workaround for this? Thanks!

Cyril Dellenbach · Accepted Answer

Hello @Defonten,

I know Kirkr already helped with your issue (Thanks Kirkr by the way), but as I've investigated with the team, I wanted to keep you updated.

The problem partially comes from the Normal nodes. These nodes were buit for tiling maps and don't support the deactivation of H and V Tiling mode. Considering your map doesn't tile, it creates a one pixel line. An additionnal workaround to the one shared by Kirkr is to use the Distance node in order to dilate the texture on this pixel line.

Best regards,

@Cyril Dellenbach Awesome this is a great and much simpler alternative actually! Thanks a lot!

Cyril Dellenbach · Answer

Hello @Defonten,

What do you mean by "I have Tiling turned off for all of my nodes"? In order to avoid this kind of artifact, make sure the Tiling parameter in the nodes Properties is set to "H and V Tiling".

Best regards,

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