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Horizontal Bar Graphs using ES / JS ?

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  Horizontal Bar Graphs using ES / JS ? "Mel Smith" <syntel@cox.net> - 2015-02-08 13:19 -0700
    Re: Horizontal Bar Graphs using ES / JS ? JJ <jj4public@vfemail.net> - 2015-02-09 03:52 +0700
    Re: Horizontal Bar Graphs using ES / JS ? Ed Jay <edMbj@aes-intl.com> - 2015-02-08 15:48 -0800
      Re: Horizontal Bar Graphs using ES / JS ? "Mel Smith" <syntel@cox.net> - 2015-02-08 17:25 -0700
    Re: Horizontal Bar Graphs using ES / JS ? Bjoern Hoehrmann <bjoern@hoehrmann.de> - 2015-02-09 08:47 +0100
    Re: Horizontal Bar Graphs using ES / JS ? Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2015-02-09 12:21 -0200
      Re: Horizontal Bar Graphs using ES / JS ? "Mel Smith" <syntel@cox.net> - 2015-02-09 08:48 -0700
    Re: Horizontal Bar Graphs using ES / JS ? Dr J R Stockton <reply1500@merlyn.demon.co.uk.invalid> - 2015-02-09 20:00 +0000
      Re: Horizontal Bar Graphs using ES / JS ? "Mel Smith" <syntel@cox.net> - 2015-02-09 20:06 -0700

#26821 — Horizontal Bar Graphs using ES / JS ?

Hi:

    I'm about to go exploring (i.e. googling) for ES / JS librairies that 
provide Horizontal Bar Graph capabilities.

    I would hope to acquire a basic package at a reasonable price ( 'free' 
would be nice too) that allows me to build graphs using my own limited 
knowledge of ES without relying on other dependencies

    I haven't used the <canvas>...</canvas> element of HTML5 yet,  but am 
reading feverishly, and trying out online examples.

    Suggestions appreciated.

Thank you.

-Mel Smith

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#26822

On Sun, 8 Feb 2015 13:19:16 -0700, Mel Smith wrote:
> Hi:
> 
>     I'm about to go exploring (i.e. googling) for ES / JS librairies that 
> provide Horizontal Bar Graph capabilities.
> 
>     I would hope to acquire a basic package at a reasonable price ( 'free' 
> would be nice too) that allows me to build graphs using my own limited 
> knowledge of ES without relying on other dependencies
> 
>     I haven't used the <canvas>...</canvas> element of HTML5 yet,  but am 
> reading feverishly, and trying out online examples.
> 
>     Suggestions appreciated.
> 
> Thank you.
> 
> -Mel Smith

MDN is a good place for proper learning JavaScript, DOM, and other web
features.

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#26823

On Sun, 8 Feb 2015 13:19:16 -0700, "Mel Smith" <syntel@cox.net> wrote:

>Hi:
>
>    I'm about to go exploring (i.e. googling) for ES / JS librairies that 
>provide Horizontal Bar Graph capabilities.
>
>    I would hope to acquire a basic package at a reasonable price ( 'free' 
>would be nice too) that allows me to build graphs using my own limited 
>knowledge of ES without relying on other dependencies
>
>    I haven't used the <canvas>...</canvas> element of HTML5 yet,  but am 
>reading feverishly, and trying out online examples.
>
>    Suggestions appreciated.

A rudimentary knowledge of canvas and it's a relatively trivial task. 

Basically, you'll be drawing filed rectangles whose dimensions
represent the magnitude of the graph.
-- 
Ed Jay (remove 'M' to respond by email)

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#26824

Hi JJ and Ed:

I've been 'googling', and I've had a look at "Google Charts". The package & 
API looks good.and yet it seems quite simple to set up.  I'll be trying that 
for now -- unless something better comes along.

Thanks for your suggestions.

-Mel Smith

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#26825

* Mel Smith wrote in comp.lang.javascript:
>    I'm about to go exploring (i.e. googling) for ES / JS librairies that 
>provide Horizontal Bar Graph capabilities.
>
>    I would hope to acquire a basic package at a reasonable price ( 'free' 
>would be nice too) that allows me to build graphs using my own limited 
>knowledge of ES without relying on other dependencies

https://developers.google.com/chart/interactive/docs/gallery/barchart
might be a suitable solution for you.
-- 
Björn Höhrmann · mailto:bjoern@hoehrmann.de · http://bjoern.hoehrmann.de
D-10243 Berlin · PGP Pub. KeyID: 0xA4357E78 · http://www.bjoernsworld.de
 Available for hire in Berlin (early 2015)  · http://www.websitedev.de/ 

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#26826

On 08/02/2015 18:19, Mel Smith wrote:
> Hi:
> 
>     I'm about to go exploring (i.e. googling) for ES / JS librairies that 
> provide Horizontal Bar Graph capabilities.
> 
>     I would hope to acquire a basic package at a reasonable price ( 'free' 
> would be nice too) that allows me to build graphs using my own limited 
> knowledge of ES without relying on other dependencies
> 
>     I haven't used the <canvas>...</canvas> element of HTML5 yet,  but am 
> reading feverishly, and trying out online examples.
> 
>     Suggestions appreciated.

Highcharts is very good, but there are many others (free and opensource):

The 15 Best JavaScript Charting Libraries
<http://www.sitepoint.com/15-best-javascript-charting-libraries/>


-- 
Joao Rodrigues

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#26827

Bjoern & Joao:

    Thank you both. I'll examine both before continuing.

-Mel Smith

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#26833

In comp.lang.javascript message <cjpumbFsqc1U1@mid.individual.net>, Sun,
8 Feb 2015 13:19:16, Mel Smith <syntel@cox.net> posted:

>    I haven't used the <canvas>...</canvas> element of HTML5 yet,  but am
>reading feverishly, and trying out online examples.
>
>    Suggestions appreciated.


You might, or might not, find my
<http://www.merlyn.demon.co.uk/js-grphx.htm> and/or
<http://www.merlyn.demon.co.uk/js-misc1.htm#BC> to be of some help.

To actually operate those pages, one must use a local copy.  That
discourages over-download.  The pages self-disable when loaded from
Merlyn (or a non-Merlyn copy self-enables).  They need a copy of
<http://www.merlyn.demon.co.uk/inc-cmmn.js>.

Section js-misc1.htm#BC should show a vertical bar chart when button
"Chart" is activated.

-- 
 (c) John Stockton, nr London UK        Reply address via Merlyn Home Page.
   news:comp.lang.javascript FAQ <http://www.jibbering.com/faq/index.html>.
   <http://www.merlyn.demon.co.uk/js-index.htm> jscr maths, dates, sources.
   <http://www.merlyn.demon.co.uk/> TP/BP/Delphi/jscr/&c, FAQ items, links.

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#26834

Dr JR said:

> You might, or might not, find my
> <http://www.merlyn.demon.co.uk/js-grphx.htm> and/or
> <http://www.merlyn.demon.co.uk/js-misc1.htm#BC> to be of some help.
>
> To actually operate those pages, one must use a local copy.  That
> discourages over-download.  The pages self-disable when loaded from
> Merlyn (or a non-Merlyn copy self-enables).  They need a copy of
> <http://www.merlyn.demon.co.uk/inc-cmmn.js>.
>
> Section js-misc1.htm#BC should show a vertical bar chart when button
> "Chart" is activated.

Thank you.

    Will investigate ....

-Mel

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