I am trying to simulate decent caustics in an indoor swimming pool and I cant seem to find workable settings. I can simulate caustics fine on an exterior using VRaySun. However within my interior I have lots of ceiling spot light meshes each of which have a VRay plane light underneath (about 100mm x 100mm) with the intensity set to luminous power. These lights don't provide caustics, if I increase the multiplier, the water just goes really bright.
I then tried placing a large spot light with diffuse off that sits just below the ceiling. The hotspot covers the entire pool area, not sure if this is the correct method? This produces caustics fine in the water but doesn't produce any reflective caustics. I got a few reflective caustics after I put the multiplier up to about 10-20 but this also increase the brightness of the caustics on the water.
So whats the best practice for interior? I am about to try and put spot lights under each of my ceiling lights with the diffuse off to see if it produces more reflective caustics.
I have been following this as a reference http://www.cg-blog.com/index.php/201...p-tutorial.htm. They set the water thickness to 3cm, is this correct or should the water be the full depth of the pool?
Thanks.
I then tried placing a large spot light with diffuse off that sits just below the ceiling. The hotspot covers the entire pool area, not sure if this is the correct method? This produces caustics fine in the water but doesn't produce any reflective caustics. I got a few reflective caustics after I put the multiplier up to about 10-20 but this also increase the brightness of the caustics on the water.
So whats the best practice for interior? I am about to try and put spot lights under each of my ceiling lights with the diffuse off to see if it produces more reflective caustics.
I have been following this as a reference http://www.cg-blog.com/index.php/201...p-tutorial.htm. They set the water thickness to 3cm, is this correct or should the water be the full depth of the pool?
Thanks.
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