On 19.08.2017 11:23, Stephen wrote:
> On 19/08/2017 12:09, Sven Littkowski wrote:
>> On 19.08.2017 04:23, Stephen wrote:
>>> On 19/08/2017 07:04, Sven Littkowski wrote:
>>>> Intention:
>>>>
>>>> Using the "Difference" function to create caves and tunnels inside a
>>>> square-shaped piece of Martian surface (a hollow mesh object).
>>>>
>>>> What are your solutions, to transfer what is now a mesh, into a solid
>>>> object. I believe these objects need to be solid, in order to create
>>>> caves and tunnels through Difference into that body.
>>>>
>>>
>>>
>>> You are thinking about it wrongly.
>>> There are no solid mesh objects. The keyword "hollow" has nothing to do
>>> with an object not being solid. It is used for media containers.
>>> You should think in terms of the mesh not having any holes. Then you can
>>> use it with csg without artefacts. In the animation below I intersected
>>> the mesh of Ariel (the ghost) was intersected with a cub then filled
>>> with media. The hollow keyword was used for that.
>>>
>>> http://www.tc-rtc.co.uk/member/imagenewdisplay/index176.html
>>>
>>> When I was creating the df3s for Dhalgren with Thomas. I had a lot of
>>> trouble with the meshes when they had holes in them. (I had to manually
>>> edit the slices that make up the image sequence.)
>>>
>>>
http://news.povray.org/povray.binaries.images/thread/%3C58343a6a@news.povray.org%3E/
>>>
>>>
>>>
>>>
>>>
>> Thanks. The first link requires a username and password, was not able to
>> see the animation just like that.
>>
> 
> Sorry about that. I get logged in automatically.
> 
> https://youtu.be/vTQKzpusie0
> 
> 
>> Nonetheless, good to know I can still work with division. Will give a
>> try.
>>
>>
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> 
> 
Thanks. Seen. :-)

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