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exterior light for rendering

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    exterior light for rendering

    Hi all, I rendered this house and it looks great, the only problem is, the front door is recessed in and it can't be seen, too dark in the porch. I have noticed a setting for "sun and artificial" lighting. I got one of those exterior lamp posts and put it on the front porch hoping to light up the door. It took me a long time just to get the lamp to glow yellow orange. I have pushed the numbers way up in lamp properties on anything that looks remotely like it might make the lamp brighter, but nothing works, still just a yellow orange glow.

    question #1: is it even possible to light up that front door with anything? being rendered nicely in the sun.

    question #2: if it is possible to get that lamp to light up, is putting an ugly lamp post on the front porch the
    only way to light up that door?

    I googled for half hour and found nothing about artificial light with exterior day/sun render.

    Revit 2011


    I just seen the render forum, will go there next time for render question..
    Last edited by Pickens; June 21, 2011, 04:53 AM. Reason: didn't know about render forum

    #2
    in a daylight rendering its going to be tough to get a artificial light to do anything. Your best bet is to use an "omni" light (a light source with no geometry), but you will have to really crank up the output of the light to have any affect. The other option is to play with the image, post-rendering, and change the contrast and brightness settings.
    Scott D Davis
    Sr. AEC Technical Specialist
    Autodesk, Inc.
    http://bit.ly/aboutsdd

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      #3
      Thanks, sounds like a glimmer of hope. Where can I get this "omni" light? BTW- I've tried 50 thousand combinations of exposure settings. I can get the door to show- but only by washing out everything else.. I have seen renderings where there is some light in places where shadows and dark recesses are, is this something revit rendering can't do?

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        #4
        Load the studio light and place it in front of the door. Then don't do a mid day rendering. Try Early evening, say 6 -7 pm. Then you can get a nice look.
        Scott D. Brown, AIA | Senior Project Manager | Beck Group

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          #5
          You can also, depending on your camera angle, fake (read increase) the reflectivity of the floor surface right in front of the door. This will bounce some more environmental light into the space.
          Juan Carlos Moreno
          Store Designer & Merchandising Manager
          Sisley Cosmetics

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            #6
            Just to illustrate the advice of 2 x Scott, and to elaborate a little:
            1. Create a new light fixture (No geometry - But maybe add a couple of lines for easy placement in the project)
            2. Use a rectangular one directional light source
            3. Set the Kelvin (light color) to daylight = ~5500-6500K
            4. Turn up the wattage... probably WAY up.
            5. Place the lightfixture in the wall opening
            6. Adjust size of light source to take up the entire opening, to avoid odd shadows.
            Attached Files
            Klaus Munkholm
            "Do. Or do not. There is no try."

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              #7
              This is all totally amazing kind of help, thank you all very very much..

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                #8
                Originally posted by Munkholm View Post
                Just to illustrate...
                Please give me a helping hand on this because I've tried everything I can imagine. I saved that light family out of your test project and loaded it into a new test project with just a floor and walls with a recess. I placed that light thing on the floor in the dark recess just like you have it on the floor in your test project, but I cannot get any light out of it. All the properties of that light are exactly the same in both projects- and everything in all the rendering dialogs are exactly the same, but it just won't light up.. any ideas? Thanks

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                  #9
                  Make sure everything is indeed exactly the same in the rendering dialog! Specially the "Sun and Artificial" setting.

                  If that wont do the trick, try turning up the wattage (lumen) of the light source... it may be necessary, depending on your scene settings (Sun light)
                  Klaus Munkholm
                  "Do. Or do not. There is no try."

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                    #10
                    If all else fails, upload the test project so we can have a look..
                    Martijn de Riet
                    Professional Revit Consultant | Revit API Developer
                    MdR Advies
                    Planta1 Revit Online Consulting

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