I will keep trying,..
On Wed, Aug 1, 2012 at 5:42 PM, william ratcliff <william.ratcliff@gmail.com> wrote:
Can you attach an example png? If it's not too complex, you might be able to do this all clientside as well...WilliamOn Wed, Aug 1, 2012 at 5:41 PM, william ratcliff <william.ratcliff@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.WilliamOn Wed, Aug 1, 2012 at 4:06 PM, Peregil <peregilx@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.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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