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UE4.11 preview 1 - Rendering Test

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    #16
    Originally posted by sandermer View Post
    Thats a cool comparison, and youre right as in most cases you wont see a big difference, but what I mainly use the higher indirect lighting values for is to solve lightmap transitions from one surface to another.
    I have attached a picture to demonstrate it. In this case I had a lighting seam between 2 floor meshes, and by using a higher Indirect Lighting value I was able to smooth this out.
    It's worth noting, that it's probably quicker to merge meshes to avoid seams like this, than increasing your baking time. Or designing your textures/meshes in ways that seams like this wouldn't be noticeable. Like if that seam was at the seam between two boards on a wood floor texture.

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      #17
      Originally posted by Mentholblue View Post
      tupikp, why specifically 64 bounces in your scene?
      Programmer's habit I guess. I tend to automatically pick up power of 2 numbers, such as 2, 4, 16, 32, etc.
      Swarm Agent and Lightmass Troubleshooting

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        #18

        bathroom5 by simfactor, on Flickr

        Out of curiosity I built the lighting of the same scene (picture above, without changing any parameters at all) three times. I was under assumption that the build time would be the same through out the test. However, the result is really really unexpected. Here it is:

        First build time : 14:42 minutes
        Second build time : 15:28 minutes
        Third build time : 22:18 minutes

        This test was conducted using UE4.11 preview 3 and no parameters/values were changed between the test.

        So the first question that came up to my mind was: Is this a bug?
        Last edited by tupikp; 01-20-2016, 09:04 PM. Reason: adding screenshot of the scene
        Swarm Agent and Lightmass Troubleshooting

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          #19
          Originally posted by tupikp View Post
          Out of curiosity I built the lighting of the same scene (without changing any parameters at all) three times. I was under assumption that the build time would be the same through out the test. However, the result is really really unexpected. Here it is:

          First build time : 14:42 minutes
          Second build time : 15:28 minutes
          Third build time : 22:18 minutes

          This test was conducted using UE4.11 preview 3 and no parameters/values were changed between the test.

          So the first question that came up to my mind was: Is this a bug?
          I also experienced this, building light in UE4.11 preview 3 take a lot more time than preview 1 ...

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            #20
            Originally posted by tupikp View Post
            Out of curiosity I built the lighting of the same scene (without changing any parameters at all) three times. I was under assumption that the build time would be the same through out the test. However, the result is really really unexpected. Here it is:

            First build time : 14:42 minutes
            Second build time : 15:28 minutes
            Third build time : 22:18 minutes

            This test was conducted using UE4.11 preview 3 and no parameters/values were changed between the test.

            So the first question that came up to my mind was: Is this a bug?
            From my experience I always turn off my computer and restart it after about a minute to make sure it is completely fresh and has all available power to render. Did you try that as sometimes running lots of apps before rendering can slow things down. I'm not a computer nerd but I have noticed this.

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              #21
              There were no apps running in background other than Epic Launcher. As far as I know, Epic Launcher after a while can become a resource hog, eating your precious CPU power and RAM without warning while doing absolutely nothing. Maybe I'll do another test but with no Epic Launcher in the background. And maybe I'll do the same test with other version of UE4.
              Last edited by tupikp; 01-20-2016, 09:07 PM.
              Swarm Agent and Lightmass Troubleshooting

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                #22
                ILQ 1 looks better for me bit darker but nothing you wouldnt tweak with post process volume. And building time. Honestly - the choice is easy

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