Re: [Matplotlib-users] data grid problem

[Damon M. <dam...@gm...>]

On Wed, Oct 10, 2012 at 3:55 PM, Benjamin Root <ben...@ou...> wrote:
>
>
> On Wed, Oct 10, 2012 at 9:40 AM, rand0m <ra...@0x...> 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)

-- 
Damon McDougall
http://www.damon-is-a-geek.com
B2.39
Mathematics Institute
University of Warwick
Coventry
West Midlands
CV4 7AL
United Kingdom