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> On Sun, 27 Apr 2014 19:25:25 +0200, andrel <byt### [at] gmail com> wrote:
>
>>
>>>> An electric bass guitar with a violin/celo body? That's new...
>>>
>>> My design electro-acoustic bass based on a contra-bass.
>>> I hand-coded the sound-box as a bezier patch. I CSG'd the C-holes out of
>>> the soundbox but I couldn't add depth because I couldn't csg the sides
>>> of the C-holes. I was thinking maybe this patch would make it possible.
>>>
>> Could you not subtract the a scaled down version to create the
>> resonance chamber?
>> I am assuming that the thickness of the upper and lower surfaces need
>> not be detailed modelled to get a realistic sound body.
>>
> It just ends up looking like a shadow. I need to do the walls/edges of
> the c-holes and they need to match.
>
Right now, the C-holes look like they are painted on...
How about replacing the patch with an hight_field?
Do a render of only the front face using an orthographic camera and a
black to white gradient. Use +fng16 on the command line when using
version 3.7.
Add some slight bluring to get some beveling/rounding. May be done using
some focal blur or by post processing.
Use water_level to remove the outside part.
As it may be to thick around the openings, you can now use a difference
around the C-holes to get just the correct thickness.
For the back face, you can still use the bezier patch, or you can use
another hight_field made without the openings.
Alain
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