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Thomas de Groot <tho### [at] degroot org> wrote:
> On 21-8-2012 4:26, joe wrote:
> > Ok but why not just scale 1.00001 and push the liquid into the bottle wall?
> > Doesn't that eliminate both problems?
>
> No. See image in p.b.i.
>
> Thomas
Thanks for the example Thomas! I will be digesting it this weekend!
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"joe" <nomail@nomail> wrote:
> I've built a soda bottle with a bezier_spline lathe object. It's clear glass,
> hollow and has a wall thickness. To fill the bottle with soda I am creating
> another lathe object inside the bottle. To prevent a coincident surface problem
> should I scale the soda larger to push the soda into the bottle wall? Any
> better ways to fill a bottle with fluid?
Have you tried using csg merge? This prevents surface interference between
transparent objects, you could overlap the boundaries slightly and use merge to
remove the overlap.
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> "joe" <nomail@nomail> wrote:
>> I've built a soda bottle with a bezier_spline lathe object. It's clear glass,
>> hollow and has a wall thickness. To fill the bottle with soda I am creating
>> another lathe object inside the bottle. To prevent a coincident surface problem
>> should I scale the soda larger to push the soda into the bottle wall? Any
>> better ways to fill a bottle with fluid?
>
>
> Have you tried using csg merge? This prevents surface interference between
> transparent objects, you could overlap the boundaries slightly and use merge to
> remove the overlap.
>
>
>
Not realy advisable as it will remove both surfaces and you need to keep
one.
A possibility is to use an union of incomplete shapes:
- The container, including the inner surfaces except where the content
is present. Have it's own interior.
- The bottom of the content, with an intermediate ior and appropriate
interior.
- The surface of the content using a disk or any other single faced
object. Have the same interior as the content and the proper ior.
Alain
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Le 03/01/2013 18:02, Alain nous fit lire :
> Le 2013-01-03 08:51, Bot a écrit :
>> "joe" <nomail@nomail> wrote:
>>> I've built a soda bottle with a bezier_spline lathe object. It's
>>> clear glass,
>>> hollow and has a wall thickness. To fill the bottle with soda I am
>>> creating
>>> another lathe object inside the bottle. To prevent a coincident
>>> surface problem
>>> should I scale the soda larger to push the soda into the bottle
>>> wall? Any
>>> better ways to fill a bottle with fluid?
>>
>>
>> Have you tried using csg merge? This prevents surface interference
>> between
>> transparent objects, you could overlap the boundaries slightly and use
>> merge to
>> remove the overlap.
>>
>>
>>
> Not realy advisable as it will remove both surfaces and you need to keep
> one.
>
> A possibility is to use an union of incomplete shapes:
> - The container, including the inner surfaces except where the content
> is present. Have it's own interior.
> - The bottom of the content, with an intermediate ior and appropriate
> interior.
> - The surface of the content using a disk or any other single faced
> object. Have the same interior as the content and the proper ior.
As you are reviving that thread, please find more details about the idea
of my wicked solution (from 20 August 2012):
http://wiki.povray.org/content/User:Le_Forgeron/HowTo/Perfect_glass
Happy new year 2013!
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