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Grainy Render

bdell_53_4baf2b3d9bbdell_53_4baf2b3d9b Posts: 290
in Daz Studio Discussion

Hi, all of my Iray Renders are looking very grainy. You can really see it on the skin. I have rendered in Iray before and have never had this problem until today.

What would be causing this?

Thanks in advance for your help!

Comments

  • Richard HaseltineRichard Haseltine Posts: 108,511

    Is the render using CPU or GPU? Which version of daz Studio, and which driver version and card (assumign you have an nVidia GPU)?

  • jbowlerjbowler Posts: 842

    bdell_53_4baf2b3d9b said:

    What would be causing this?

    Given the picture I would guess that you are using progressive rendering with the default settings, which terminate the render at  "95% convergence".  My understanding is that 95% convergence just means that 95/100 of all the pixels in the image have reached their final value.  So when you render a large image with nothing in it you start of with a very high initial convergence.

    I suggest just setting the "convergence" to 100% to see what happens.  If it takes a long time (well, too long by your definition; my renders start at 8 hours), if it takes a long time reduce the "render quality" from 1.0 to 0.1 and tweak it up as required for the quality you want.

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