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  • light projecting through walls

    Posted by Alex Mcmurray on October 12, 2012 at 2:12 am

    I have come across a situation concerning lights that I can’t seem to rectify.
    I have a large room separated into two by a roof to ceiling wall, 4cm thick.
    On the far side of the wall, I have a number of area lights in cylindrical form to simulate flouros.
    There are also objects such as balconies and railings.

    when looking at a quick render from the outside, the balconies and railings can be plainly seen as if projected onto the wall.

    I have played with settings of the lights and the wall, but cannot fix it.

    The texture on the wall is a UVW map of wallpaper.

    Alex Mcmurray replied 13 years, 11 months ago 2 Members · 2 Replies
  • 2 Replies
  • Brian Jones

    October 12, 2012 at 3:13 am

    light leaking under walls can be a problem if the wall is thin and the light settings are not right but shadows projected on a wall are usually only visible if Backlight is used in the Luminance channel of a material of an object that is one poly thick. If it’s not that it would help to see the scene file.

  • Alex Mcmurray

    October 12, 2012 at 5:47 am

    Thank you Brian, played with the lighting settings, disabling the ambient illumination helped.
    It also helped with the other problem you mentioned, light spill with thin single poly walls.

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