Am 07.01.2014 18:16, schrieb LanuHum:
> clipka <ano### [at] anonymousorg> wrote:
>> Am 07.01.2014 15:11, schrieb LanuHum:
>>> Hi!
>>> I want to create wall-paper in the room, using a pattern agate
>>> I broke the head
>>> I created an example in gimp:
>>> http://yadi.sk/d/ui0h9kFCFbDb6
>>
>> If I understand you correctly, you want to achieve the same effect, but
>> without resorting to gimp, and instead you want to let POV-Ray do the
>> job, right?
>>
>> The so-called "repeat warp" is probably what you want.
>
> Yes! Thanks!
>
>      #declare Texture_003 = pigment{
>          agate
>          agate_turb 2
>          color_map {
>              [0 color rgbf<0,0,0,1>]
>              [1 color rgbf<1,1,1,0>]
>          }
>          warp {repeat x*2}
>          frequency 2
>          scale <-1,0.02,1>
>      }
>      #declare Texture_004 = pigment{
>          agate
>          agate_turb 2
>          color_map {
>              [0 color rgbf<0,0,0,1>]
>              [1 color rgbf<1,1,1,0>]
>          }
>          warp {repeat x*2}
>          frequency 2
>          scale <1,0.02,1>
>      }
>      #declare Tex_back_wall = pigment{
>          checker
>          pigment{Texture_003}
>          pigment{Texture_004}
>          rotate <0,90,0>
>          translate <0,0.2,0>
>          scale <1,20,0.5>
>      }

Using the "flip" parameter makes it a lot easier:

      #declare Tex_back_wall = pigment{
          agate
          agate_turb 2
          color_map {
              [0 color rgbf<0,0,0,1>]
              [1 color rgbf<1,1,1,0>]
          }
          warp {repeat x*2 flip x}
          frequency 2
      }

> I solved this problem without uv, but uv-mapping doesn't work with warp repeat

It doesn't? That's strange; it /should/ work.

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