Tom Melly wrote:
>"BlackSilver" <nomail[at]nomail> wrote in message
>news:web.3e7ec52965d81a663e895b380[at]news.povray.org...
>> I Have a problem in the union between two parts of my box:
>>
>> #declare Behind_Part =
>> box   { <5.00, 0.00, -0.5>,
>>         <-5.75, 5.75, 0.0> }
>>
>> #declare Left_Part =
>> box   { <5.00, 0.00, -0.5>,
>>         <-5.75, 5.75, 0.0> rotate y*90 }
>>
>
>Problem 1: You are going to have co-incident surfaces.
>Problem 2: Well, I'm not entirely sure what you wanted, but the above will
>indeed create a union where the two boxes meet at x=0 and x=-0.5.
>Problem 3: I suspect that you don't yet understand how rotate works.
>
>If you want to understand what is going wrong with your version, try this
>birds-eye animated view of this simplified version of your scene. You will need
>to add +kff10 to the command-line options box to see the animation (that's the
>dialogue box next to the output resolution selector).
>
>#include "colors.inc"
>camera {   location <0,50,-0.01>   look_at <0,0,0>}
>
>light_source{  <0,100,0>  White}
>
>#declare Behind_Part =
>box   { <5.00, 0.00, -0.5>,
>        <-5.75, 5.75, 0.0>
>        pigment{Red}
>      }
>
>#declare Left_Part =
>box   { <5.00, 0.00, -0.5>,
>        <-5.75, 5.75, 0.0>
>        pigment{Green}
>      }
>
>
>union {
>object { Behind_Part }
>object { Left_Part  rotate y*90*clock}
>}
>
Thanks, my problem wasn't exact this, but your example of rotation was
value, so thanks anyway

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