Re: How to print a graph

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-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:
>
> 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.ratcliff@gmail.com <mailto:william.ratcliff@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 <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:
>
> 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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