Re: [Visualpython-users] Advice for a newcomer

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

I think what you want is the faces object, which is completely general. 
Or use convex, but one per set of neighboring points, in which case 
there's no concavity to cause trouble.

Bruce Sherwood

Jay Shaffstall wrote:
> Hello!  I'm teaching a Python programming class to some science
> students, and have one student who wants to do a project visualizing
> the level of water in a lake as various other factors change
> (rainfall, incoming stream volume, etc).
> 
> I'd originally thought vpython would be a good option for this
> visualization, but we're having trouble figuring out how to show the
> level of water in the lake.  What we have so far is drawing the
> outline of the lake using a string of points and drawing rectangles
> between pairs of points down to the bed of the lake.
> 
> Our first try at showing the water level was to use those same points
> and draw a blue plane (e.g. convex) with them.  That works fine as
> long as there aren't any concave bits in the lake outline.  Since the
> lake he wants to model does have concave bits, the water then shows
> outside the lake walls.
> 
> Are we missing an easy way of filling a given outline with a color at
> a particular z depth?  Or of clipping a plane to the outline?
> 
> Thanks for any advice,
> Jay
>