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Op 30-3-2022 om 12:09 schreef Ton:
> Thomas de Groot <tho### [at] degroot org> wrote:
>> Op 30/03/2022 om 01:01 schreef Ton:
>>>>
>>>> Good start. How did you model the hull: nurbs?
>>>>
>>>> --
>>>> Thomas
>>>
>>> Bedankt Thomas.
>>> I used Blender, and transformed the obj output in mesh2, with normals.
>>>
>>
>> Indeed, but what I mean: /within/ Blender, how was the hull surface
>> modelled? I do not use Blender so I thought maybe it was generated with
>> the help of a nurbs tool, which is not available in my Silo package.
>> From my experience, hulls are not very easy to model without it I
>> think, or some similar tool.
>>
>> --
>> Thomas
>
> With the help of the hull profile plans I can determine the X, Y, and Z
> coordinates of the hull. X is forward-backwards, Y is up-down, and Z is
> left-right (or port-starboard). I start with a plane I subdivide when necessary.
> In that way I work down the hull. When exporting to obj-file I (well, blender)
> triangulates those rectangles. You see the result, quite convincing.
> I have mirrored the hull, added the keel, which are povray objects from
> roundedge.inc.
>
> Cheers
> Ton.
OK, that is pretty much as I modelled my VOC ship (Dutch East Indies
Company) many years ago. I also used the profile plans in a similar way.
http://www.irtc.org/ftp/pub/stills/2005-04-30/direpass.jpg
This one was an earlier version (2005) built in Moray.
--
Thomas
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