Hi again
The emitterobject works well in the rooms.
But I also want to lit the pool (the water of the pool is a box, in front of the box is a glass wall (a box as well).
When I put 2 spheres objects into the pool (within the poolwaterbox) with a emitter material it doesn't lit the pool.
Compare the old yafaray rendering in the attachment.
In the screenshot you can see the position of the two spheres.
Does anybody have an idea what I do wrong ?
Kind regards
Alain
Emitterobject does not lights the scene
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Ahh, sorry I couldn't help but at least I will know what to look for if I get the same problem.
Thanks
Thanks
(HW) Intel i7 2600k, 16GB DDR3, MSI 560GTX ti (2GB) x 3
(SW) Octane (1.50) Blender (2.70) (exporter 2.02)
(OS) Windows 7(64)
(SW) Octane (1.50) Blender (2.70) (exporter 2.02)
(OS) Windows 7(64)
The wrong normals is was not the solution 
It seems that the light is not strong enough. I use now 4 spheres as a emitter objekt to light to pool, but its to dark there...
Kind regards

It seems that the light is not strong enough. I use now 4 spheres as a emitter objekt to light to pool, but its to dark there...
Kind regards
Intel Pentium 2.8 GHz 2 Cores, 8 GB RAM, GeForce GTX Titan 8GB, Blender 2.72b, Win 7 64 Bit
With which emitter type?
face
face
Win10 Pro, Driver 378.78, Softimage 2015SP2 & Octane 3.05 RC1,
64GB Ram, i7-6950X, GTX1080TI 11GB
http://vimeo.com/user2509578
64GB Ram, i7-6950X, GTX1080TI 11GB
http://vimeo.com/user2509578
Currently, light doesn't pass through glass materials, so if your water is a volume instead of a surface, imho the faces of this volume prevent the light from reaching the walls of the pool.
French Blender user - CPU : intel Quad QX9650 at 3GHz - 8GB of RAM - Windows 7 Pro 64 bits. Display GPU : GeForce GTX 480 (2 Samsung 2443BW-1920x1600 monitors). External GPUs : two EVGA GTX 580 3GB in a Cubix GPU-Xpander Pro 2. NVidia Driver : 368.22.