Re: [Matplotlib-users] Protocol for unanswered queries on this list?

[Gary R. <gr...@bi...>]

Derek Hohls wrote:
> Hi
>  
> I appreciate that this is a totally voluntary support list, but
> I was wondering what the protocol was when queries that
> I have posted go unanswered...
>  
> Should I -
> (a) repost them "as is"?
> (b) rewrite them slightly and post them again

Probably the best approach.

> (c) assume no one has any interest in answering them (and give up)
> (d) something else??
>  
> The queries I am referring to are:
> http://sourceforge.net/mailarchive/message.php?msg_id=38032560 
> and
> http://sourceforge.net/mailarchive/message.php?msg_id=38021694 
>  
> (The latter especially, I am sure is within matplotlib current
> capabilities... and a hint or two will set me on the right track!)
>  
> Thanks
> Derek

I had a quick look and for the first part of the second question:

> (a) what is the syntax for the fill() command - I have tried
> ax.fill(0.5,0.5,'b') and get an error:
> TypeError: zip argument #1 must support iteration

The TypeError is saying that the argument expected should be a Python 
type supporting iteration, such as a numpy array, a list or a tuple. 
i.e. this produces a rectangle:

ax.fill([1,1,2,2],[3,4,4,3],'b')

where the two lists contain the x- and y-coordinate polygon vertices, 
respectively, ordered clockwise from the lower left.

It would take me a bit of mucking around to work out what the bar 
coordinates are - hopefully an expert will pipe in with the answer. You 
probably need to work out how to apply the get_verts method to the patch 
collection. I find using ipython interactively is the best way to learn 
to do this.

Gary R.