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An issue concerning a pretty simple material. In order to achieve an uneven wall without repetitive patterns I created an mxm containing only one BDSF, Reflectance white (210), just this bump map (only larger, 2048 x 2048 size, bump 50.000)



scaled the material via Sketchup to 10 m x 10 m, applied it to the model in Studio and selected a resolution of 5120 x 3840. The preview looks ok,



but the render shows patterns that the material does not contain:



What's that?

The pixels of your bump map? (Wild guess) That is how a 2048 pixels image would look if resized to 5120.

Hey,

This might also help

http://www.maxwellrender.com/forum/view ... highlight=

Here is a detail of the original bump: 250 x 250, absolutely smooth.



The strange silky patterns are produced by Maxwell, I am afraid. Any chance to avoid them?

50 is quite a high value and nl is warning in the manual not to use them.
have you tried lowering it?

tok, email me your map and let me fix it for you.

OK, and here's the video of solution for everyone

THINK! ABOUT IT

very good turorial, Tom. In what file format did you save the 16-bit map?

Thanks Kurt!

As you may also verify from the manual page 21, only PNG and TIF allows saving 16 bit among supported formats. Personally, I always prefer PNG.

Great! Thanks a lot, Tom!

Very nice tip.

thank you master.

Your knowledge is vast. Thanks for sharing some of it!

Thanks Tom! Good info in the video and great solution for no audio

R

Thanks Tom - that helps a lot! Very clever use of Wordpad

b

Very nice to hear it worked