Re: django graphics

[carlos]

Hi the other library js for graphis is http://www.flotcharts.org/


On Wed, Jul 10, 2013 at 9:17 AM, pa xapy  wrote:

> why you do this with django?
> there so many js libraries
> i think that for the web purposes its best solution than generate graphics
> with python.
> personally, i'm using the http://www.highcharts.com/ - flexible and easy
> to start. great docs.
>
> On Tuesday, July 9, 2013 5:30:45 PM UTC+4, amanjot kaur wrote:
>>
>> Please suggest me some module/library in django to plot graphs which
>> takes input from user.
>
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Re: django graphics

[pa xapy]

why you do this with django?
there so many js libraries
i think that for the web purposes its best solution than generate graphics 
with python.
personally, i'm using the http://www.highcharts.com/ - flexible and easy to 
start. great docs.

On Tuesday, July 9, 2013 5:30:45 PM UTC+4, amanjot kaur wrote:
>
> Please suggest me some module/library in django to plot graphs which
> takes input from user.

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Re: django graphics

[Derek]

Good advice about using forms to capture the plot parameters - be aware 
that you do not need to save anything to disk (unless you want/need to). 
 There's an example here of creating one and returning it directly via the 
response:

http://wiki.scipy.org/Cookbook/Matplotlib/Django


On Tuesday, 9 July 2013 16:58:45 UTC+2, John wrote:
>
>  On 09/07/13 15:40, amanjot kaur wrote:
>  
>
>
>>
>> There are many python plotting libraries. I usually use matplotlib 
>> because my plots tend to be quite technical.
>>
>  
> I also tried to use matplotlib but I think it is filereadable but my 
> requirements are to add values from front end and then with one click graph 
> will be ceated on these values.
>
>
> ...so you need to call matplotlib functions from the view function that 
> handles whatever form you have designed. If you want to plot onto an image 
> file (rather than embed canvas commands into an html response, for example) 
> then something like this might work:
>
> def my_view_function(request):
> 1. Create a plot using matplotlib from the form parameters.
> 2. Save the plot in /path/to/static/plots/.png (depends where 
> you are serving static images from). I use uuid for things like this as I 
> know it will be unique and it doesn't have to be user friendly.
> 3. Prepare the html response which includes the graphic plot http://url/to/static/plots/.png">.
> 4. Return the html response.
>
> If I was doing this, I would template the html part and also use the 
> settings variables for static file location/URL rather than hard-coding the 
> paths and URLs. I would also run some periodic background clean up function 
> to get rid of old plots otherwise they will steadily use more disk space.
>
> Hope that helps. Let the list know if it works!
>
> John
>  

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Re: django graphics

[John]

On 09/07/13 15:40, amanjot kaur wrote:
>
>
>
> There are many python plotting libraries. I usually use matplotlib
> because my plots tend to be quite technical.
>
>  
> I also tried to use matplotlib but I think it is filereadable but my
> requirements are to add values from front end and then with one click
> graph will be ceated on these values.

...so you need to call matplotlib functions from the view function that
handles whatever form you have designed. If you want to plot onto an
image file (rather than embed canvas commands into an html response, for
example) then something like this might work:

def my_view_function(request):
1. Create a plot using matplotlib from the form parameters.
2. Save the plot in /path/to/static/plots/.png (depends where
you are serving static images from). I use uuid for things like this as
I know it will be unique and it doesn't have to be user friendly.
3. Prepare the html response which includes the graphic plot http://url/to/static/plots/.png">.
4. Return the html response.

If I was doing this, I would template the html part and also use the
settings variables for static file location/URL rather than hard-coding
the paths and URLs. I would also run some periodic background clean up
function to get rid of old plots otherwise they will steadily use more
disk space.

Hope that helps. Let the list know if it works!

John

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Re: django graphics

[amanjot kaur]

>
>
> There are many python plotting libraries. I usually use matplotlib 
> because my plots tend to be quite technical.
>
 
I also tried to use matplotlib but I think it is filereadable but my 
requirements are to add values from front end and then with one click graph 
will be ceated on these values.

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Re: django graphics

[John]

On 09/07/13 14:30, amanjot kaur wrote:
> Please suggest me some module/library in django to plot graphs which
> takes input from user. --
Amanjot,

There are many python plotting libraries. I usually use matplotlib
because my plots tend to be quite technical.

John

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Re: django graphics

[Nigel Legg]

I was going to look at Django Chartit -
http://chartit.shutupandship.com/for this, unless anyone has better
suggestions?

Regards,
Nigel Legg
07914 740972
http://www.treavnianlegg.co.uk
http://twitter.com/nigellegg
http://uk.linkedin.com/in/nigellegg



On 9 July 2013 08:39, amanjot kaur  wrote:

> Please suggest me some module/library in django to plot graphs which
> takes input from user.
> --
> Amanjot Kaur
>
> Blog: kauramanjot35.wordpress.com
>
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>
>

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Re: Django Graphics

[George Silva]

Perhaps you can process/display CAD drawings using PostGIS + OpenLayers?

On Thu, Dec 2, 2010 at 8:36 AM, Shamail Tayyab  wrote:

> Have you also tried the python's imaging library?
>
> You can easily make any type of images in PIL and the display them as
> images in browser.
> (Should fit your requirement of circles, triangles etc and has lots
> more)
>
> Tx
>
> --
> Shamail Tayyab
> Blog: http://shamail.in/blog
>
> On Dec 2, 3:08 pm, Jagdeep Singh Malhi 
> wrote:
>  > On Dec 2, 1:18 pm, "Cal Leeming [Simplicity Media Ltd]"
> >
> >  wrote:
> > > Please define 'handle graphics'.
> >
> > > Do you mean serving graphics media? Creating graphics on the fly?
> > > Resizing? Overlaying? Give us some clues ;)
> >
> > CAD.
> >
> > Making circle, triangle etc like in AutoCAD / QCAD, or paint brush
> >
> > Making sketches / figures.
>
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>
>


-- 
George R. C. Silva

Desenvolvimento em GIS
http://blog.geoprocessamento.net

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Re: Django Graphics

[Shamail Tayyab]

Have you also tried the python's imaging library?

You can easily make any type of images in PIL and the display them as
images in browser.
(Should fit your requirement of circles, triangles etc and has lots
more)

Tx

--
Shamail Tayyab
Blog: http://shamail.in/blog

On Dec 2, 3:08 pm, Jagdeep Singh Malhi 
wrote:
> On Dec 2, 1:18 pm, "Cal Leeming [Simplicity Media Ltd]"
>
>  wrote:
> > Please define 'handle graphics'.
>
> > Do you mean serving graphics media? Creating graphics on the fly?
> > Resizing? Overlaying? Give us some clues ;)
>
> CAD.
>
> Making circle, triangle etc like in AutoCAD / QCAD, or paint brush
>
> Making sketches / figures.

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Re: Django Graphics

[Tom Evans]

On Thu, Dec 2, 2010 at 10:08 AM, Jagdeep Singh Malhi
 wrote:
>
>
> On Dec 2, 1:18 pm, "Cal Leeming [Simplicity Media Ltd]"
>  wrote:
>> Please define 'handle graphics'.
>>
>> Do you mean serving graphics media? Creating graphics on the fly?
>> Resizing? Overlaying? Give us some clues ;)
>
> CAD.
>
> Making circle, triangle etc like in AutoCAD / QCAD, or paint brush
>
> Making sketches / figures.
>

Django is python. Anything you can do in python you can do in django.
You can do anything in python.

Having said that, if you are expecting some sort of project you can
drop in to your django app that allows you to draw CAD diagrams in
your browser and persist them to django models, then you are probably
out of luck. If you want to write such a thing though, then you could
in python/django.

Cheers

Tom

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Re: Django Graphics

[Kenneth Gonsalves]

On Thu, 2010-12-02 at 02:08 -0800, Jagdeep Singh Malhi wrote:
> > Do you mean serving graphics media? Creating graphics on the fly?
> > Resizing? Overlaying? Give us some clues ;)
> 
> CAD.
> 
> Making circle, triangle etc like in AutoCAD / QCAD, or paint brush
> 
> Making sketches / figures. 

django is nothing but python, html, css, js etc - do your graphics
exactly as you would do it in normal html, python, css, js etc. Either
generate them in the backend with python or use some js toolkit to do it
on the client side. 
-- 
regards
Kenneth Gonsalves

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Re: Django Graphics

[Jagdeep Singh Malhi]

On Dec 2, 1:18 pm, "Cal Leeming [Simplicity Media Ltd]"
 wrote:
> Please define 'handle graphics'.
>
> Do you mean serving graphics media? Creating graphics on the fly?
> Resizing? Overlaying? Give us some clues ;)

CAD.

Making circle, triangle etc like in AutoCAD / QCAD, or paint brush

Making sketches / figures.

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Re: Django Graphics

[Kenneth Gonsalves]

On Thu, 2010-12-02 at 00:14 -0800, Jagdeep Singh Malhi wrote:
> Can we handle graphics in Django?

yes
-- 
regards
Kenneth Gonsalves

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Re: Django Graphics

[Cal Leeming [Simplicity Media Ltd]]

Ah.

http://lmgtfy.com/?q=django+charts+

;)

On 02/12/2010 08:22, Venkatraman S wrote:



On Thu, Dec 2, 2010 at 1:44 PM, Jagdeep Singh Malhi 
> wrote:


Can we handle graphics in Django?


referring to charts?
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Re: Django Graphics

[Venkatraman S]

On Thu, Dec 2, 2010 at 1:44 PM, Jagdeep Singh Malhi  wrote:

> Can we handle graphics in Django?
>
>
referring to charts?

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Re: Django Graphics

[Cal Leeming [Simplicity Media Ltd]]

Please define 'handle graphics'.

Do you mean serving graphics media? Creating graphics on the fly? 
Resizing? Overlaying? Give us some clues ;)


On 02/12/2010 08:14, Jagdeep Singh Malhi wrote:

Can we handle graphics in Django?



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