POV-Ray : Newsgroups : povray.binaries.images : Sailing ship Balclutha : Re: Sailing ship Balclutha Server Time
30 Jun 2022 12:19:03 EDT (-0400)
  Re: Sailing ship Balclutha  
From: Thomas de Groot
Date: 30 Mar 2022 07:44:54
Message: <624442b6$1@news.povray.org>
Op 30-3-2022 om 12:09 schreef Ton:
> Thomas de Groot <tho### [at] degrootorg> 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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