Ceiling lights wont fully render
Having trouble with my ceiling lights not fully rendering. The file has now process 255 passes and the ceiling lights look very spotty. I am using the ceiling lights to uplight a wall from the bottom in an even glow (no scalloping). I have now turned up the lights per pass to 100% and min. 100 lights per pass, but it is not doing anything different
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Replies to This Discussion
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Permalink Reply by Render Plus on
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it will help if we can see an image of the rendering.
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Permalink Reply by Bill Loomis on
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Al,
here is the image..
It rendered for 65 hours over the weekend. 255 passes @ 33%/6 min lights per pass and 6 passes at 100%/100 min. lights per pass. there are 9 spot lights and 3 point lights plus a point light in each of the hanging spheres above the desk. The 7 ceiling lights are 50mm wide and varying lengths - Attachments:
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lobby desks.jpg, 1.5 MB
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I placed the image in line in this post using the camera/image icon, and telling it to show a 600 pixel version. This work better than an attachment - since we can see the image directly in the post.
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Check the number of lights that we are extracting from SketchUp. (Sometimes it is not the number of lights you thought you had in the model)
In the rendering window, click on the top of the window and choose "Statistics" this gives us a count of the lights in the rendering.
There are some possible problems where we may create too many lights out of a SketchUp surface. We try to add all the faces in a component or surface to a single light, but sometimes we have a problem when the individual triangles are not contiguous in the surface and we create way too many lights.
Also, try turning off some (or all but one) of the lights and render it with one light at a time to see which lights are working as expected. This can be done easily by placing lights in a layer, and turning off that layer.
I wold be interested to see a rendering with:
1. Just one ceiling light
2. Just the ceiling lights
3. Just one set of 7 spheres above the desk.
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I checked the statistics on the each of the renderings. and the # of lights matched what was in the model (35)
Here are the 3 rendering that you were interested in seeing...
Only one set of globes ( 10 passes @33% / 8 minimum)
one ceiling light ( 30 passes @33%/ 8 min lights) I reduced the brightness so that the spottines was visible
all ceiling fixtures (80 passes @ 33% / 8 min lights)
As you can see even with one ceiling fixture and 30 passes it is still not rendering fully. Is there a linear fixture in the works?
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The one ceiling light example is very strange.
Can you send the .SKP model to: al.hart@renderplus.com so I can take a look?
Save it with just the one ceiling light enabled before sending it.
Thanks
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I will send from my GMail account. The file is over 11 megs
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No problem - I can receive it. You could use WinZip it that will make it smaller.
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Al,
Any luck with the file I sent?
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I looked at Thursday, but then I had to leave town.
I had a hard time locating the ceiling light. (we need to add an easy way to highlight lights in SketchUp)
is the ceiling light in the ceiling?
we do have a couple of ways to turn any surface into a light, if that type of light would be better for this model.
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The light is at the base of the desk behind the sceen material. See the rendering previously posted.
I did try to turn the face (the face being uplit) into a light source but ran across the same spotting issue with the light hitting the floor surface.
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If you can send me a smaller model which fails, it would really help.
(It is difficult to work with large models, and to isolate the problem)
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