Re: [Matplotlib-users] data grid problem

[Benjamin R. <ben...@ou...>]

On Thursday, October 11, 2012, Damon McDougall wrote:

> On Wed, Oct 10, 2012 at 3:55 PM, Benjamin Root <ben...@ou...<javascript:;>>
> wrote:
> >
> >
> > On Wed, Oct 10, 2012 at 9:40 AM, rand0m <ra...@0x... <javascript:;>>
> wrote:
> >>
> >> Hello,
> >>
> >> I'm new to matplotlib and I hope you can help me out with my question.
> >> When drawing for example a Rectangle() I have to specify it like the
> >> following:
> >> rect = Rectangle((1, 3), 2, 20, facecolor="#aaaaaa")
> >>
> >> Where 2 is the length and 20 is the height. (1,3) is for xy.
> >>
> >> Imagine a coordination system where x-axis should represent the value 0
> >> to 100. I would like to draw the rectangle from 50 to 60 on x-axis.  So
> >> I would specify:
> >>
> >> rect = Rectangle((50, 3), 10, 20, facecolor="#aaaaaa")
> >>
> >> But this does not work as desired because at the xtick 50 the x-axis
> >> does not "hold" the value 50 but 5 because I made xticks 1-100 with step
> >> 10. So my x-axis "holds" the values 1-10. But I need 1-100.
> >>
> >> If anyone knows what Im missing I d be glad to hear about it :-).
> >>
> >> thank you
> >>
> >
> > I am not quite sure I understand what you mean.  Can you attach an image
> of
> > the plot you made so far?
> >
> > Ben Root
>
> I'm not sure if adding a patch autoscales the view, try
>
> rect = Rectangle((50, 3), 10, 20, facecolor="#aaaaaa")
> ax.add_patch(rect)
> ax.set_xlim(0, 100)
> ax.set_ylim(0, 25)
>
>
We managed to solve it, but apparently it was off-list.  Essentially, I
showed him how to use a MultipleLocator to control the axis ticks, rather
than labeling them manually at a different scale.

Ben Root