Re: [Visualpython-users] W hen you create a gcurve, gdots, gvbars, or ghbars object, you can provide a list of points to be plotted, ....

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

Thanks for catching this! Yes, the documentation is indeed self-contradictory; 
only gdots accepts a list of points, but they all should; this is an oversight. 
It involves I think a pretty simple fix to graph.py -- just emulate for the 
other objects what's done for gdots.

Bruce Sherwood

Jon Schull wrote:
> The documentations seems to be self-contradictory (can a list be used 
> for all the g* objects or just the gdots object)?
> 
> 
>     When you create a gcurve, gdots, gvbars, or ghbars object, you can
>     provide a list of points to be plotted, just as is the case with the
>     ordinary curve object:
>     values = [(1,2), (3,4), (-5,2), (-5,-3)]
>     data = gdots(pos=values, color=color.blue)
>     /This list option is available only when creating the //gdots// object./
> 
> 
> I find it works with gdots but not with gcurve....
> 
> Jon Schull      sc...@di... <mailto:sc...@di...> 
>    cell: 585-738-6696
> Associate Professor         Rochester Institute of Technology
> 
> 
> 
> On Wed, Aug 26, 2009 at 5:24 PM, Bruce Sherwood <Bru...@nc... 
> <mailto:Bru...@nc...>> wrote:
> 
>     In the contributed section of vpython.org <http://vpython.org> is a
>     new povexport-2009-08-26.zip
>     package which lets you specify that a specific object to be exported
>     to POV-Ray
>     and ray-traced not only should not cast a shadow but also should not
>     make any
>     reflections in other objects. By specifying no_shadow=True and
>     no_reflection=True for an object you have the capability of making
>     an object be
>     "unreal" in the final raytraced image. A good example is a curve object
>     representing a trajectory of a moving object.
> 
>     Bruce Sherwood
> 
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