Can you attach an example png? If it's not too complex, you might be able
to do this all clientside as well...
William
On Wed, Aug 1, 2012 at 5:41 PM, william ratcliff <william.ratcl...@gmail.com
> wrote:
> 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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