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So I painted bump map started with grey color with rgb values .5, and I painted with not full black color and I decreased strength to ~.15 when I took a look of what object look with bump map, it was ugly as I have low resolution image I tried all sizes for 1k to 4k and they give me same results, I tried saving as 16 bit it gave same results, tried plugging it in displacement input still no difference, how to overcome/fix this so it becomes smooth, and yes node is set to non color data.

p.s. on images strength of bump map is decreased to ~.2

enter image description here

enter image description here

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  • $\begingroup$ Check node's interpolation type: should be Linear or Cubic $\endgroup$
    – Serge L
    Commented Mar 3, 2019 at 18:57
  • $\begingroup$ Well, that was on linear, as it comes by default. $\endgroup$
    – Black Cloud
    Commented Mar 4, 2019 at 12:57

1 Answer 1

Reset to default
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When you generate a new bump texture image, be sure to tick the option 'Float Buffer' so that you use 32 bit instead of 8 bit or 16 bit image depth. enter image description here

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    $\begingroup$ Wow, I thought it was brainfart because I couldn't find 32 bit option and I heard people talking about it, thanks! $\endgroup$
    – Black Cloud
    Commented Mar 4, 2019 at 12:56

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