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.py def 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 responseOn Wed, Aug 1, 2012 at 3:31 PM, Daniel Molina Wegener <dmw@coder.cl> wrote:
On 01/08/12 15:19, Peregil wrote:If you need to draw a graph, you can try the pygraphviz.
I need to have the graphic on a web page... as soon as a user hit summit...
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-google-charts/0.1.1
On Wed, Aug 1, 2012 at 3:16 PM, william ratcliff<william.ratcliff@gmail.com <mailto:william.ratcliff@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 <peregilx@gmail.com<mailto:peregilx@gmail.com>> wrote:<william.ratcliff@gmail.com <mailto:william.ratcliff@gmail.com>>
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
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 <peregilx@gmail.com<mailto:peregilx@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.ratcliff@gmail.com<mailto:william.ratcliff@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<peregilx@gmail.com <mailto:peregilx@gmail.com>> wrote:<mailto:django-users@googlegroups.com>. <mailto:django-users%2Bunsubscribe@googlegroups.com>.
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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