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  1. #1
    Join Date
    Jan 2009
    Posts
    7

    Angry Why are there no more lights?

    I appreciate any input anyone would have on this...

    I created a room with a bunch of lights, and they were working fine. Then all of a sudden I want to add a chandelier, and it doesn't want to let off any light! So I make sure that all the light preferences are correct, and that doesn't work either. I deleted it and put another one in its place, and still nothing. I tried several other lights from the library to make sure it's not the chandelier, and for some reason the program doesn't want to allow any more lights into the room! So I think, maybe if I delete a couple lights that are in the room, it will let me add a new one--so I delete a couple, and still it won't let any new light I add to the room shine any light!

    I'm pulling my hair out here! Can anyone help?

  2. #2
    Join Date
    Sep 2003
    Posts
    2,562

    Lights off

    Most video cards will only support the rendering of 8 light sources, some will support 16.
    Remember some lamps have more than one light source, particually chandeliers. This restriction does not apply to raytracing, however you would do well to restrict the number of lights in any scene, since they will affect both rendering times and raytracing. Lights can be turned off via their dialog box. If for example you are doing a raytrace or render of a daytime scene, make sure all the lights are off, otherwise you will experience delays as the program tries to calculate a complex lighting problem.
    Your privacy is important to us, your personal details will handled discreetly, and will not be shared with anyone except the CIA, FSB, MI6 or similar, then they will be placed on a USB stick and left on a bus.

  3. #3
    Join Date
    Aug 2002
    Location
    Indianapolis, IN, USA
    Posts
    1,813
    Remember this too: If your camera is not in the same room as the lights, the room will not appear lighted. You can get around this be selecting the partitioning wall and checking no room definition so the camera thinks it's in the same room as the lights. Doesn't apply to raytracing.
    Adam Gibson, CKD, CBD
    Indianapolis, IN, USA
    Chief X6

  4. #4
    Join Date
    Jan 2009
    Posts
    7

    Thumbs up

    Thank you very much...the video card thing makes sense. My laptop is just getting more and more useless each year, haha. I will try other ways.

  5. #5
    Join Date
    Aug 2006
    Location
    Scenic Rim
    Posts
    655
    Quote Originally Posted by alobartn
    Remember this too: If your camera is not in the same room as the lights, the room will not appear lighted. You can get around this be selecting the partitioning wall and checking no room definition so the camera thinks it's in the same room as the lights. Doesn't apply to raytracing.
    just like to say thanks for this advice.

    (My search terms actually worked )

    I was doing a render of a gazebo and couldn't work out why none of the lighting was working.

    Moved the camera "inside" and all is well. (sort of... after punching the walls and throwing a brick through my monitor J/K )
    Chief Bug Fix Department





    Rod
    Chief Ver X1

    (Smilies collection from the brilliant creative members of Deviantart and Freethought)

  6. #6
    Join Date
    Jan 2009
    Location
    Austin
    Posts
    120
    Quote Originally Posted by alobartn
    Remember this too: If your camera is not in the same room as the lights, the room will not appear lighted. You can get around this be selecting the partitioning wall and checking no room definition so the camera thinks it's in the same room as the lights. Doesn't apply to raytracing.
    Thanks for this tip!

    I have set my camera so that it can move through walls without getting whacked askew. So, what I typically do is start by creating the camera in the room of interest, so the lights turn on, and then move to wherever I want to view the scene.

    David
    X2

 

 

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