Rails - Sep 2009 - Rails Library for Generating Graphs and Charts

Hello Friends,

Hope all are doing well.

I was seeking some guidance on open-source, stable, efficient and
better library (plugin/gem) for generating chars and graphs in rails.

here i am looking for graphs/charts with multiple scale in a single
axis. also i am having concerns for exporting charts in some of report
like pdf or image etc.

Please let me your thoughts/experience/guidance on this.

Thanks,
Piyush.

Hello Friends,

Hope all are doing well.

I was seeking some guidance on open-source, stable, efficient and
better library (plugin/gem) for generating chars and graphs in rails.

here i am looking for graphs/charts with multiple scale in a single
axis. also i am having concerns for exporting charts in some of report
like pdf or image etc.

Please let me your thoughts/experience/guidance on this.

Thanks,
Piyush.

Use gruff charts or google charts...
Gruff Charts: http://nubyonrails.com/pages/gruff
google charts: http://blog.brijeshshah.com/google-chart-4-rails-gc4r/

This plugins helps you generating charts in form of images..
-- 
Posted via http://www.ruby-forum.com/.

Or, the free Open Flash Chart, which uses Flash to render charts, just like
google''s does:

http://teethgrinder.co.uk/open-flash-chart/

And, ofcourse, someone already developed a plug-in for RoR:

http://pullmonkey.com/projects/open_flash_chart

But none of these 3 chart ''components'' allow the user to
''zoom in'' and
''scroll'' the view... I''m still searching for
something like this.
Preferably, it would request ''JSON'' / ''XML''
data real-time as the user
scrolls to or zooms to regions of the chart...  Or did I not read the Google
Chart API docs that well?

On Thu, Sep 24, 2009 at 8:24 AM, Brijesh Shah <
rails-mailing-list-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org> wrote:
>
> Use gruff charts or google charts...
> Gruff Charts: http://nubyonrails.com/pages/gruff
> google charts: http://blog.brijeshshah.com/google-chart-4-rails-gc4r/
>
> This plugins helps you generating charts in form of images..
> --
> Posted via http://www.ruby-forum.com/.
>
> >
>
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Martijn van Rheenen wrote:
> Or, the free Open Flash Chart, which uses Flash to render charts, just 
> like
> google''s does:
[...]

Nope.  Google''s charts are straight images, so they are generally the 
better choice.  There is usually little reason to force Flash on your 
users for something this simple.

Best,
--
Marnen Laibow-Koser
http://www.marnen.org
marnen-sbuyVjPbboAdnm+yROfE0A@public.gmane.org
-- 
Posted via http://www.ruby-forum.com/.

> Nope.  Google''s charts are straight images, so they are generally
the
> better choice.  There is usually little reason to force Flash on your
> users for something this simple.
>
> Indeed they are, images, I saw that too. But you will not be able to
generate these charts when a user is not online, would you? Or, not able to
connect to google (like in a very strict intranet environment ;) )

if you want the charts to be ''interactive'', though, (like
zooming and
scrolling around the data real-time) Flash is not that bad. I admit, I hate
to use it too, but OpenFlashChart is the only open source component I could
find that delivers almost all this functionality without requiring a
connection to some other website....

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Thank You Very much friends for your valuable suggestions. i will
evaluate these various options.

Thanks,
Piyush.

-----------------------------------------------------------

On Sep 24, 9:52 pm, Martijn van Rheenen
<rhee...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> > Nope.  Google''s charts are straight images, so they are
generally the
> > better choice.  There is usually little reason to force Flash on your
> > users for something this simple.
>
> > Indeed they are, images, I saw that too. But you will not be able to
>
> generate these charts when a user is not online, would you? Or, not able to
> connect to google (like in a very strict intranet environment ;) )
>
> if you want the charts to be ''interactive'', though, (like
zooming and
> scrolling around the data real-time) Flash is not that bad. I admit, I hate
> to use it too, but OpenFlashChart is the only open source component I could
> find that delivers almost all this functionality without requiring a
> connection to some other website....

Martijn van Rheenen wrote:
>> Nope.  Google''s charts are straight images, so they are
generally the
>> better choice.  There is usually little reason to force Flash on your
>> users for something this simple.
>>
> Indeed they are, images, I saw that too. But you will not be able to
> generate these charts when a user is not online, would you? Or, not able 
> to
> connect to google (like in a very strict intranet environment ;) )
No, of course Google Charts won''t do anything if Google''s
chart service
can''t be reached.
> 
> if you want the charts to be ''interactive'', though, (like
zooming and
> scrolling around the data real-time) Flash is not that bad. I admit, I 
> hate
> to use it too, but OpenFlashChart is the only open source component I 
> could
> find that delivers almost all this functionality without requiring a
> connection to some other website....
How about the visualization components from the SIMILE project ( 
http://simile.mit.edu )?  The ones such as Timeplot are pure DHTML/JS, 
and they don''t rely on external services as far as I know.  There seem 
to be some projects aimed at using these with Rails, but I don''t know 
how well they work.

Best,
--
Marnen Laibow-Koser
http://www.marnen.org
marnen-sbuyVjPbboAdnm+yROfE0A@public.gmane.org

-- 
Posted via http://www.ruby-forum.com/.

Hi
    Even not free (XML/SWF  and DIY Map) you can just check this also

    http://ziya.liquidrail.com/


Sijo
-- 
Posted via http://www.ruby-forum.com/.

Hi,
     I have used fusion charts and its cool, i believe there is no flash
type charts that are available for free.

Regards,
Syed A B.

On Fri, Sep 25, 2009 at 10:12 AM, Sijo Kg
<rails-mailing-list-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>wrote:
>
> Hi
>    Even not free (XML/SWF  and DIY Map) you can just check this also
>
>    http://ziya.liquidrail.com/
>
>
> Sijo
> --
> Posted via http://www.ruby-forum.com/.
>
> >
>
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syed arifullah badsha s wrote:
> Hi,
>      I have used fusion charts and its cool, i believe there is no flash
> type charts that are available for free.
But you are wrong.  Open Flash Chart is free.
> 
> Regards,
> Syed A B.
> 
> On Fri, Sep 25, 2009 at 10:12 AM, Sijo Kg
Best,
--
Marnen Laibow-Koser
http://www.marnen.org
marnen-sbuyVjPbboAdnm+yROfE0A@public.gmane.org
-- 
Posted via http://www.ruby-forum.com/.

Thanks for highlighting. Any one has used it? Any inputs on Open Flash Chart
is free.

On Fri, Sep 25, 2009 at 11:11 AM, Marnen Laibow-Koser <
rails-mailing-list-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org> wrote:
>
> syed arifullah badsha s wrote:
> > Hi,
> >      I have used fusion charts and its cool, i believe there is no
flash
> > type charts that are available for free.
>
> But you are wrong.  Open Flash Chart is free.
>
> >
> > Regards,
> > Syed A B.
> >
> > On Fri, Sep 25, 2009 at 10:12 AM, Sijo Kg
>
> Best,
> --
> Marnen Laibow-Koser
> http://www.marnen.org
> marnen-sbuyVjPbboAdnm+yROfE0A@public.gmane.org
> --
> Posted via http://www.ruby-forum.com/.
>
> >
>
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syed arifullah badsha s wrote:
> Thanks for highlighting. Any one has used it? Any inputs on Open Flash 
> Chart
> is free.
> 
Ya open flash is free...I used it...

You can download it as plugin from 
http://github.com/korin/open_flash_chart_2_plugin/
-- 
Posted via http://www.ruby-forum.com/.

Open Flash chart works like a charm, just disable all
''animations'' and your
client will take you seriously ;)

I have used it for  a prototype application with Symfony (yes, I know,
PHP....) but for the ''real'' application I''m setting
everything up with
Rails.

On Fri, Sep 25, 2009 at 7:52 AM, Brijesh Shah <
rails-mailing-list-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org> wrote:
>
> syed arifullah badsha s wrote:
> > Thanks for highlighting. Any one has used it? Any inputs on Open Flash
> > Chart
> > is free.
> >
> Ya open flash is free...I used it...
>
> You can download it as plugin from
> http://github.com/korin/open_flash_chart_2_plugin/
> --
> Posted via http://www.ruby-forum.com/.
>
> >
>
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Piyush with Rails wrote:
> Hello Friends,
Gruff is ruby library fir grnrrating graphs
ChartDirector is one of the library but i think it is not open source
in gruff you can export chart on pdf
Using chartDirector also you can export
you can create graph
This is sammple
write in Helper
def generate_graph
  graph = USING GRuff See Documentation of gruff
    filename = ''abc.png''
    file = Tempfile.new(filename)
    file = file.binmode
    file.write(graph.to_blob)
    file.close
    content_tag(:div, image_tag(file.path), :class => "graphs")
end
in dispaly.pdf.erb
<%= generate_graph %>
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