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Skydome No Shadow

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  • B Offline
    Booman
    last edited by 23 Mar 2011, 22:21

    I created my own skydome to use in conceptual presentations landscaping.
    Its simply a massive half-dome with a sky projected across it.
    The main problem I have, is that when I turn shadows on or use sun settings, it casts a shadow across my whole landscape.
    I have done some research and the only suggestions were to make it transparent, but if I do that, you won't see the pretty sky.
    I have also tried telling the group/component to NOT cast shadows, but still have the same problem because it blocks the sunlight.
    So does anyone know of a plugin or setting that will allow a skydome but somehow it ignores the sun or does not cast shadows?

    Brian McCracken
    In The Red Website Design

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    • D Offline
      Dave R
      last edited by 23 Mar 2011, 22:54

      Make the outside faces of the dome transparent by painting a transparent material on it. The inside surface will have your sky painted on it.

      Here's a quick example with a model I am working on at the moment. I don't have a sky so I used stone for the inside.


      http://farm6.static.flickr.com/5258/5553871531_81a465b94a.jpg

      Etaoin Shrdlu

      %

      (THERE'S NO PLACE LIKE)

      G28 X0.0 Y0.0 Z0.0

      M30

      %

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      • B Offline
        Booman
        last edited by 24 Mar 2011, 13:59

        ooh, interesting idea. So create a transparent PNG, make it a material and apply it to the outside of the dome?
        Then leave my sky material on the inside?
        I will definitely try that!
        thank you

        Brian McCracken
        In The Red Website Design

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        • B Online
          Box
          last edited by 24 Mar 2011, 14:06

          You don't need to make a transparent PNG, just paint it with anything and edit that materials transparency.

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          • B Offline
            Booman
            last edited by 24 Mar 2011, 14:22

            oh, so use the slider on the material and make it 0%
            got it

            Brian McCracken
            In The Red Website Design

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            • D Offline
              Dave R
              last edited by 24 Mar 2011, 14:37

              For my example I just applied the gray translucent material. I left it so you could that there was something there but you could certainly slide it all the way to transparent.

              Etaoin Shrdlu

              %

              (THERE'S NO PLACE LIKE)

              G28 X0.0 Y0.0 Z0.0

              M30

              %

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              • B Offline
                boofredlay
                last edited by 24 Mar 2011, 14:56

                Or you can select the sky dome, go to Entity Info and uncheck "Cast Shadows".


                Shadows.jpg

                http://www.coroflot.com/boofredlay

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                • B Offline
                  Booman
                  last edited by 24 Mar 2011, 15:02

                  I tried that too, but it still seemed to block the sun and NOT cast a shadow.
                  I'll try the transparent material idea when I get to work today.

                  Brian McCracken
                  In The Red Website Design

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