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Hi all,
I've done this object:
======================================
merge{
sphere { <0, 0, 0>, 1
translate -0.5*x
}
sphere { <0, 0, 0>, 0.5
translate 0.5*x
scale <1.5, 0, 0>
}
pigment { rgbf <0.9, 0.9, 0.9, 1> }
rotate <0, 0, 0>
translate <0, 0, 0>
scale 5
clipped_by { plane { z, 0 }
}}
======================================
And I want to cut it, to do it I used a "clipped_by" with a plane, but I
think I'm wrong.
I want to cut the object and then I want to put objects inside. So, I want
to have it "empty". I don't know if the method that I'm using will work
properly.
All helps will be welcome.
Regards,
Oleguer
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Maybe something like this?
======================================
merge{
sphere { <0, 0, 0>, 1
translate -0.5*x
}
sphere { <0, 0, 0>, 0.5
translate 0.5*x
scale <1.32, 0, 0>
}
pigment { rgbf <0.9, 0.9, 0.9, 1> }
rotate <0, 0, 0>
translate <0, 0, 0>
scale 5
clipped_by { plane { y, 4 } }
hollow on
interior_texture { pigment { rgbf <.9, .9, .9, 0.8> } }
}
======================================
Regards,
Oleguer
news:42ecd368$1@news.povray.org...
> Hi all,
>
> I've done this object:
> ======================================
> merge{
> sphere { <0, 0, 0>, 1
> translate -0.5*x
> }
> sphere { <0, 0, 0>, 0.5
> translate 0.5*x
> scale <1.5, 0, 0>
> }
> pigment { rgbf <0.9, 0.9, 0.9, 1> }
> rotate <0, 0, 0>
> translate <0, 0, 0>
> scale 5
>
> clipped_by { plane { z, 0 }
>
> }}
> ======================================
> And I want to cut it, to do it I used a "clipped_by" with a plane, but I
> think I'm wrong.
>
> I want to cut the object and then I want to put objects inside. So, I want
> to have it "empty". I don't know if the method that I'm using will work
> properly.
>
> All helps will be welcome.
>
> Regards,
> Oleguer
>
Post a reply to this message
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Oleguer Vilella nous apporta ses lumieres en ce 2005-07-31 08:32:
> Hi all,
>
> I've done this object:
> ======================================
> merge{
> sphere { <0, 0, 0>, 1
> translate -0.5*x
> }
> sphere { <0, 0, 0>, 0.5
> translate 0.5*x
> scale <1.5, 0, 0>
> }
> pigment { rgbf <0.9, 0.9, 0.9, 1> }
> rotate <0, 0, 0>
> translate <0, 0, 0>
> scale 5
>
> clipped_by { plane { z, 0 }
>
> }}
> ======================================
> And I want to cut it, to do it I used a "clipped_by" with a plane, but I
> think I'm wrong.
>
> I want to cut the object and then I want to put objects inside. So, I want
> to have it "empty". I don't know if the method that I'm using will work
> properly.
>
> All helps will be welcome.
>
> Regards,
> Oleguer
>
>
As it is, it "looks" empty, if you put some rotation to the whole object, after the
clipped_by.
Removing the filter and using interior_texture shows that clearly, but it have NO
thickness.
What I'd do is this:
difference{
merge{sphere{0,1 translate -0.5*x}//0,1 = <0,0,0>,1
sphere{0,0.5 translate 0.5*x scale<1.5,1,1>}//get rid of warning about scaling by 0
}//exterior part
sphere{0,0.9 translate -0.5*x}//change the 0.9 and 0.4 to set the thickness of the
side
sphere{0,0.4 translate 0.5*x scale<1.5,1,1>}//iner "hollow"
box{<-2,2,0>,<2,-2,-2>}//cut away unneded part
pigment{rgbt 1}// no surface colour
interior{ior 1.5 //glass, optionaly add some dispersion, but very subtle effect
fade_color rgb 0.9//make the material coloured in it's mass
fade_distance 0.1//adjust to your taste
fade_power 1001//use exponential fading
}
}
Alain
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Hi Alain,
Yeah, you've used a box instead of a plane. Why?
Regards,
Oleguer
news:42ed1e22@news.povray.org...
> Oleguer Vilella nous apporta ses lumieres en ce 2005-07-31 08:32:
>> Hi all,
>>
>> I've done this object:
>> ======================================
>> merge{
>> sphere { <0, 0, 0>, 1
>> translate -0.5*x
>> }
>> sphere { <0, 0, 0>, 0.5
>> translate 0.5*x
>> scale <1.5, 0, 0>
>> }
>> pigment { rgbf <0.9, 0.9, 0.9, 1> }
>> rotate <0, 0, 0>
>> translate <0, 0, 0>
>> scale 5
>>
>> clipped_by { plane { z, 0 }
>>
>> }}
>> ======================================
>> And I want to cut it, to do it I used a "clipped_by" with a plane, but I
>> think I'm wrong.
>>
>> I want to cut the object and then I want to put objects inside. So, I
>> want to have it "empty". I don't know if the method that I'm using will
>> work properly.
>>
>> All helps will be welcome.
>>
>> Regards,
>> Oleguer
> As it is, it "looks" empty, if you put some rotation to the whole object,
> after the clipped_by. Removing the filter and using interior_texture shows
> that clearly, but it have NO thickness.
> What I'd do is this:
> difference{
> merge{sphere{0,1 translate -0.5*x}//0,1 = <0,0,0>,1
> sphere{0,0.5 translate 0.5*x scale<1.5,1,1>}//get rid of warning about
> scaling by 0
> }//exterior part
> sphere{0,0.9 translate -0.5*x}//change the 0.9 and 0.4 to set the
> thickness of the side
> sphere{0,0.4 translate 0.5*x scale<1.5,1,1>}//iner "hollow"
> box{<-2,2,0>,<2,-2,-2>}//cut away unneded part
> pigment{rgbt 1}// no surface colour
> interior{ior 1.5 //glass, optionaly add some dispersion, but very subtle
> effect
> fade_color rgb 0.9//make the material coloured in it's mass
> fade_distance 0.1//adjust to your taste
> fade_power 1001//use exponential fading
> }
> }
>
> Alain
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Oleguer Vilella nous apporta ses lumieres en ce 2005-07-31 14:10:
> Hi Alain,
>
> Yeah, you've used a box instead of a plane. Why?
>
> Regards,
> Oleguer
>
I tend to use a box when doing difference, I could use a plane{-z,0} and get the same
result. I
could also have used an intersection with a plane{z,0} or a box extending the other
way as in my sample.
Alain
Post a reply to this message
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Yeah, all right.
Thanks,
Oleguer
news:42ed8442$1@news.povray.org...
> Oleguer Vilella nous apporta ses lumieres en ce 2005-07-31 14:10:
>> Hi Alain,
>>
>> Yeah, you've used a box instead of a plane. Why?
>>
>> Regards,
>> Oleguer
>>
> I tend to use a box when doing difference, I could use a plane{-z,0} and
> get the same result. I could also have used an intersection with a
> plane{z,0} or a box extending the other way as in my sample.
>
> Alain
Post a reply to this message
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