"Cossack " <nomail@nomail> wrote:
> Hello, I have a question: how to make a blurred reflection in Povray version
> 3.7?

This file contains macros that implement the solution that Kenneth referred to:
  https://github.com/CousinRicky/POV-RC3Metal/blob/main/rc3metal.inc

RC3Metal_Blur_t() is a naive implementation.  It's perfectly fine for a simple
object with no other reflective object in the scene, but it can bring your CPU
to its knees if there are mutual blurred reflections.

RC3Metal_Blur() uses the optimization that Alain described.

The argument t_Base is the reflective texture that you want to blur.

Note that if t_Base has a normal, the above macros will not work as expected.
Use macros RC3Metal_Normal_blur_t() or RC3Metal_Normal_blur() if you want a
blurred normal.

The entire library, including documentation and examples, can be downloaded at:
  https://github.com/CousinRicky/POV-RC3Metal

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