Interior rendering, problem with decal

[Alejandro Testa]

Hola, saludos a todos, estoy trabajando esta imagen, tengo un problema con el decal del Cristo que genera esa sombra oscura a pesar que esta  como color transparente, supongo que al final lo voy a correggir en Photo Shop , el tema es que la imagen ya tiene  casi 600 pases en path tracer y todavía esta en este nivel de pixelada, supongo que va requerir de mas de 3000 pases. ¿Sugerencias? . De antemano, gracias

Hi, Greetings to all, I am working on this image, I have a problem with the Jesuschrist decal that creates this dark shadow despite this as transparent color, I guess I'll end retouching  in Photo Shop, the issue is that the image already has nearly 600 passes on path tracer and still in this pixelated level, I guess that will require more than 3000 passes. Suggestions? Thanks in advance

[Alejandro Testa]

Maybe I read too late the decal masking post, I am triying with double side decal right now.

[Alejandro Testa]

Well, I remove HDRI and  background, I tried with hybrid engine but I prefer path tracer lightining, I will post the resulting image.

[Roy Hirshkowitz]

The hybrid engine should be better at this one-- still quite a difficult lighting problem.

[Alejandro Testa]

Thanks Roy, If i have time I will try both of them , first with the hybrid engine

[Alejandro Testa]

This is the final image using hybrid engine after eight hours, using sun+ lights.

[George Ioannidis]

Very nice. There is strange diagonal wedge-shape area on the floor under the altar and close to the rear wall. Was it intentional or some bad triangulation of mesh took place?

[Alejandro Testa]

Thanks George, I am trying to understand where is the problem,  is not intentional, I will check the model again, b.t.w  I like the lighting effect :-)

[Roy Hirshkowitz]

Was the Hybrid engine better able to deal with the lighting in this one?

[Alejandro Testa]

I think so, I will try with path trace when I hace a chance.

Roy Hirshkowitz said:

Was the Hybrid engine better able to deal with the lighting in this one?