If you're planning on adding this to your views.py, then you want to move
the import statements to the top of the file (outside of simple), so they
aren't called every time. Don't import django.
William
On Wed, Aug 1, 2012 at 4:06 PM, Peregil <pereg...@gmail.com> wrote:
> Great thanks...
>
> I found this function... it seems complicated, but it is kind of
> working... I hope that I can include it in a my web page...
>
>
> # file charts.pydef simple(request): import random import django
> import datetime from matplotlib.backends.backend_agg import
> FigureCanvasAgg as FigureCanvas from matplotlib.figure import Figure
> from matplotlib.dates import DateFormatter fig=Figure()
> ax=fig.add_subplot(111) x=[] y=[] now=datetime.datetime.now()
> delta=datetime.timedelta(days=1) for i in range(10): x.append(now)
> now+=delta y.append(random.randint(0, 1000)) ax.plot_date(x,
> y, '-') ax.xaxis.set_major_formatter(DateFormatter('%Y-%m-%d'))
> fig.autofmt_xdate() canvas=FigureCanvas(fig)
> response=django.http.HttpResponse(content_type='image/png')
> canvas.print_png(response) return response
>
>
> On Wed, Aug 1, 2012 at 3:31 PM, Daniel Molina Wegener <d...@coder.cl>wrote:
>
>> On 01/08/12 15:19, Peregil wrote:
>>
>>> I need to have the graphic on a web page... as soon as a user hit
>>> summit...
>>>
>>
>> If you need to draw a graph, you can try the pygraphviz.
>>
>> If you need to plot a chart, you can matplotlib, if that is not
>> so easy to implement, you can try using django google charts packages:
>>
>>
>> http://pypi.python.org/pypi/**django-googlecharts/1.0-alpha-**1<http://pypi.python.org/pypi/django-googlecharts/1.0-alpha-1>
>>
>>
>> http://pypi.python.org/pypi/**django-google-charts/0.1.1<http://pypi.python.org/pypi/django-google-charts/0.1.1>
>>
>>
>>>
>>>
>>> On Wed, Aug 1, 2012 at 3:16 PM, william ratcliff
>>> <william.ratcl...@gmail.com
>>> <mailto:william.ratcliff@**gmail.com<william.ratcl...@gmail.com>>>
>>> wrote:
>>>
>>> As a quick hack, you could generate a postscript file using
>>> savefig(). Then, you could print that from the commandline to a
>>> local printer--If they don't need a physical printout, I would
>>> generate a pdf file and serve it to them and let them print it. If
>>> I figure out how to print directly using the printer dialog, I'll
>>> let you know...
>>>
>>> William
>>>
>>>
>>> On Wed, Aug 1, 2012 at 2:05 PM, Peregil <pereg...@gmail.com
>>> <mailto:pereg...@gmail.com>> wrote:
>>>
>>> it is an intranet, and I don't have any restrictions
>>> using JavaScript... abd I am using matplotlib... I thing it is
>>> the only way to save a file and put it on the web page...
>>>
>>>
>>>
>>> On Wed, Aug 1, 2012 at 1:59 PM, william ratcliff
>>> <william.ratcl...@gmail.com
>>> <mailto:william.ratcliff@**gmail.com<william.ratcl...@gmail.com>
>>> >>
>>>
>>> wrote:
>>>
>>> What are you using for your plotting package? Matplotlib?
>>> I think that this will show the plot (on the server
>>> machine)--the easiest thing I can think of for now (assuming
>>> that you are using matplotlib) is to generate a pdf and send
>>> them the file. I haven't tried printing directly--is this
>>> intranet, or external facing? Do you have any restrictions
>>> on using javascript?
>>>
>>> William
>>>
>>>
>>> On Wed, Aug 1, 2012 at 12:58 PM, Peregil <pereg...@gmail.com
>>> <mailto:pereg...@gmail.com>> wrote:
>>>
>>> a user to print one
>>>
>>> I did this in python, but throws an error in django when
>>> I tried to run it... I have seen some examples of saving
>>> an image, but I would like to avoid that since I don't
>>> want to open and close a file...
>>>
>>> let me know if you have any idea....
>>>
>>> thanks
>>>
>>> Python program:
>>>
>>>
>>> def drawPlot(arrayGene1, arrayGene2):
>>> message = ''
>>> (m,b) = polyfit(arrayGene1,arrayGene2,**1)
>>> yp = polyval([m,b],arrayGene1)
>>> xlable('Gene 1')
>>> ylable('Gene 2')
>>> title('Correlation Graph')
>>> plot(arrayGene1, yp)
>>> scatter(arrayGene1,arrayGene2,**marker='>')
>>> show()
>>> return(message)
>>>
>>>
>>>
>>> On Wed, Aug 1, 2012 at 12:21 PM, william ratcliff
>>> <william.ratcl...@gmail.com
>>>
>>> <mailto:william.ratcliff@**gmail.com<william.ratcl...@gmail.com>>>
>>> wrote:
>>>
>>> Do you need to display a graph, or allow the user to
>>> print one?
>>>
>>> On Wed, Aug 1, 2012 at 12:06 PM, Peregil
>>> <pereg...@gmail.com <mailto:pereg...@gmail.com>>
>>> wrote:
>>>
>>> The information comes from a database, which I
>>> got it with a problem. However, I need to show a
>>> graph as well.
>>>
>>> Please let me know any suggestions...
>>>
>>> thanks and have great day.
>>>
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>>
>> Best regards,
>> --
>> Daniel Molina Wegener <dmw [at] coder [dot] cl>
>> System Programmer & Web Developer
>> Phone: +56 (2) 979-0278 | Blog: http://coder.cl/
>>
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