visualpython-users

[Visualpython-users] VPython 5.72

[Bruce S. <Bru...@nc...>]

VPython 5.72 for Windows and Mac (no package for Linux yet):

Corrects a rather serious bug in graphs where plotting (0,.001)
followed by (.001,.001) failed to autoscale correctly.

Also added documentation explaining what objects are used to represent
gdots, gcurves, ghbars, and gvbars:

If you say g = gcurve(), g.gcurve is a curve object used to represent
the gcurve.
If you say g = gdots(), g.dots is a points object used to represent the gdots.
If you say g = gvbars(), g.vbars is a faces object used to represent the vbars.
If you say g = ghbars(), g.hbars is a faces object used to represent the hbars.

It was not possible at this time to work on various other bugs that
have been reported, but they're not forgotten.

Bruce Sherwood

Re: [Visualpython-users] VPython 5.72

[Andrew M. <agm...@gm...>]

Bruce,

I'm using vpython for displaying the results of simulations run in c++ --
and it works great! My only issue is that as I get add more and more details
(i.e. have more objects in my model, or whatever), the display rate becomes
rather slow. Is there, a la OpenGL, parameters I can use to set the detail
level of each individual object so as to counteract this slowdown? I.e. draw
each cylinder using only 10 polygons instead of whatever the default is? I
haven't seen any such parameters when browsing through the documentation.

Andrew

Re: [Visualpython-users] VPython 5.72

[Bruce S. <Bru...@nc...>]

No, there isn't such a parameter available in VPython. We do
internally use fewer triangles for objects that are farther away.

Bruce Sherwood

On Thu, Oct 20, 2011 at 7:53 AM, Andrew McCormick <agm...@gm...> wrote:
> Bruce,
>
> I'm using vpython for displaying the results of simulations run in c++ --
> and it works great! My only issue is that as I get add more and more details
> (i.e. have more objects in my model, or whatever), the display rate becomes
> rather slow. Is there, a la OpenGL, parameters I can use to set the detail
> level of each individual object so as to counteract this slowdown? I.e. draw
> each cylinder using only 10 polygons instead of whatever the default is? I
> haven't seen any such parameters when browsing through the documentation.
>
> Andrew
>
>
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