AccuRender nXt

advanced rendering for AutoCAD

There is something not quite right , i have rendered the last image load for 500passes...

i have discovered there is white pixels appearing in the chrome finish.My question is that normal and how do we come over the problem.

mike

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guys guys guys...slateis a natural element  .....so no gloss finish

If it's natural slate then it will definitely have a sheen to it (see attached photos).

thanks for samples, peter .... actually, almost all materials do possess certain level of reflectivity ... there was some discussion a while ago, where roy posted quite useful pdf, made by a lighting manufacturer (i believe) where were discussed reflectivities of white matte paint, rough cconcrete etc... to me it seems worth it to add at least small amount to almost any material

The man is not for turning....:))))

Peter que configuracion minima de brillo necesitan los materiales? seguntu experiencia?

For this type of floor I would suggest trying the following as a starting point:

Intensity - 0.15

Sharpnes - 0.1

Fresnel - 0.7

This type of artifact is not unexpected from small bright sources reflected in a "near-specular" surface.  It is a limitation of the rendering algorithm.  The Path Tracer will probably do a better job with this, although if the light path bounces on the mirror cylinder before striking the source it may consider this a caustic path and exclude it.  Post-processing with PhotoShop or eq. (like you did) is probably your best bet.

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