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Is there a way to make a simple spine, such as a wine glass, with a inside
surface and an exterior surface? I suppose that would be a "closed" spine
rotated around the z axis. I think I am going about it the wrong way in
moray.
I made a little picture about what I see visually as the difference
http://barnestormer.com/spline-quiestion.html
The Illustration of the modeler I am used to only exports in triangles where
moray in infinitely superior in it's ability to export as a primitive. :)
I think I can make it work, but when I am in cubic or quadratic editing
mode, I have little control regarding the uniformity and thickness of the
material.
I admit my inexperience with moray, I am just looking for a better approach
to modeling with moray.
Thanks in advance.
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Thomas Barnes wrote:
> I think I can make it work, but when I am in cubic or quadratic editing
> mode, I have little control regarding the uniformity and thickness of the
> material.
Add another point at the base of the glass, i.e.
+z
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| 3 4
| 2
| 1 5
0
| 6
A
| 7
9 8
|
Following the points in sequence from 0 to A. (Adjust as
needed :P ) Then make the glass hollow and use in interior
containing material or whatever flavour, and you should
have an approximate wineglass. ^_^
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From: Thomas Barnes
Subject: Re: rotational sweep question (revised)
Date: 31 Oct 2003 02:06:02
Message: <3fa209da@news.povray.org>
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I was barking up the wrong tree, that was it.
I am enjoying this immensely; I really appreciate you people helping with
these seemingly simple questions.
ray tracing appears to be a new way of thinking. . . things do not always
work the way one perceives they should.
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On Thu, 30 Oct 2003 21:40:04 -0700, "Thomas Barnes"
<thomas_D0t-barnes-@t-barnestormer.com> wrote:
>I admit my inexperience with moray, I am just looking for a better approach
>to modeling with moray.
Two things
1. Looking at your graphic http://barnestormer.com/spline-quiestion.html
the two end points are not on the Z axis so there will be a gap through the
centre.
2. When you use a quadratic or cubic the end points do not lie on the curve so
you need extra points. Read section 3.4.1 Lathe Object in the PovRay manual.
Try the Glyph spline it is easy to work with. Another point is the control
points for the inside surface can be outside the external surface. I'll post an
image to moray.binaries
Regards
Stephen
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Stephen McAvoy wrote:
> Try the Glyph spline it is easy to work with. Another point is the control
> points for the inside surface can be outside the external surface. I'll post an
> image to moray.binaries
Only problem with glyph splines is they're meshes, not primatives,
so they take up loads of memory if you make them too complex and
copy them.
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On Fri, 31 Oct 2003 04:02:28 -0500, Tim Cook <z99### [at] bellsouth net> wrote:
>Only problem with glyph splines is they're meshes, not primatives,
>so they take up loads of memory if you make them too complex and
>copy them.
Good thing to point out. But with a bit of practice Quad and cubic look very
good. What are you doing up at this time?
Regards
Stephen
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Stephen McAvoy wrote:
> Good thing to point out. But with a bit of practice Quad and cubic look very
> good. What are you doing up at this time?
What, it's only 5 am, I'm still good for a while yet...^_^
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