[osg-users] How to draw 3D pipe?

Trajce Nikolov NICK trajce.nikolov.nick at gmail.com
Wed Jul 13 09:59:52 PDT 2016


a)-c) is pretty easy and can be a good task to learn a bit of geometry
shaders. I did this long time ago and it was not that hard. Might get you
some code if I find it in the email archive. That might helps

d) can you clarify more. I have seen this thing with physics and there are
companies making money on technology like this. So might be an advanced

There are contractors here on this list that might help you if you can
out-source work too :-) .. (time for commercials :-)

On Wed, Jul 13, 2016 at 6:57 PM, Daven Hem <osgforum at tevs.eu> wrote:

> Dear, Sir
> I’m Daven Hem in Cambodia. Thanks for your reviewing.
> We are currently developing new mineral prospecting aided software for
> local workings.
> I have to develop 3D VIEWER which can render 3D work place realistic on
> its screen.
> On our workings, there are many pipes, including internet, power,
> compressed air, water, phone …
> I am rendering 3D pipe in our 3d viewer.
> I’ve already read many topics, including “osgModeling” by Wang Rui
> But I didn’t see sample codes, detailed replies and I don’t decide the
> solution now.
> I may use osgModeling library.
> I want to hear the best advice from awesome Open Scene Graph.
> My problem is as following:
> There are some points which define shape of pipe.
> a)      Draw line which pass through their points.
> b)      Draw curve which smooth the line, with line interpolation segments.
> It may be smooth line or spline or bezier.
> c)      Draw 3D pipe from this curve with parameters such as radius,
> section interpolation segments.
> Please review my attached image file.
> d)      Finally, simulate real-time animation of 3D pipe follows excavator.
> Please let me know the easy and fast solution! I hope your detailed advice.
> Thanks again.
> Kind reply.
> ------------------
> Read this topic online here:
> http://forum.openscenegraph.org/viewtopic.php?p=68122#68122
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trajce nikolov nick
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