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From: Muhammad Abd El Baset on 28 Dec 2009 07:02
Hello all,

I am new with Tcl/tk and I want to build a graph using Tcl/tk. for
example if I have some data like the following and I want to explain
them graphically:

No. of absent students in a class: 5 10 2 7 9
Month : Jan Feb Mar Apr
May

Thanks in advance,
Mohamed
From: Arjen Markus on 28 Dec 2009 07:30
On 28 dec, 13:02, Muhammad Abd El Baset <eng.m.abdelba...(a)gmail.com>
wrote:
> Hello all,
>
> I am new with Tcl/tk and I want to build a graph using Tcl/tk. for
> example if I have some data like the following and I want to explain
> them graphically:
>
> No. of absent students in a class:    5     10     2      7     9
> Month                                       :   Jan  Feb  Mar   Apr
> May
>
> Thanks in advance,
> Mohamed

There are several possibilities:
- BLT is a very good package for this sort of things
- Plotchart is a very nice one too (but as the author of that package
I am perhaps biased :)

You can find BLT as part of the ActiveTcl distribution and Plotchart
is
part of Tklib, also part of ActiveTcl.

See the Wiki (http://wiki.tcl.tk) for more details.

To give an impression:

package require Plotchart

pack [canvas .c]

set p [::Plotchart::createBarchart .c {Jan Feb Mar Apr May} {0 15 5}
1]
$p plot absence {5 10 2 7 9} blue
$p legend absence "Absence over the past months"

would plot your data as a vertical barchart.

Regards,

Arjen
From: Muhammad Abd El Baset on 28 Dec 2009 08:35
On Dec 28, 2:30 pm, Arjen Markus <arjen.markus...(a)gmail.com> wrote:
> On 28 dec, 13:02, Muhammad Abd El Baset <eng.m.abdelba...(a)gmail.com>
> wrote:
>
> > Hello all,
>
> > I am new with Tcl/tk and I want to build a graph using Tcl/tk. for
> > example if I have some data like the following and I want to explain
> > them graphically:
>
> > No. of absent students in a class:    5     10     2      7     9
> > Month                                       :   Jan  Feb  Mar   Apr
> > May
>
> > Thanks in advance,
> > Mohamed
>
> There are several possibilities:
> - BLT is a very good package for this sort of things
> - Plotchart is a very nice one too (but as the author of that package
>   I am perhaps biased :)
>
> You can find BLT as part of the ActiveTcl distribution and Plotchart
> is
> part of Tklib, also part of ActiveTcl.
>
> See the Wiki (http://wiki.tcl.tk) for more details.
>
> To give an impression:
>
> package require Plotchart
>
> pack [canvas .c]
>
> set p [::Plotchart::createBarchart .c {Jan Feb Mar Apr May} {0 15 5}
> 1]
> $p plot absence {5 10 2 7 9} blue
> $p legend absence "Absence over the past months"
>
> would plot your data as a vertical barchart.
>
> Regards,
>
> Arjen

Thanks a lot for your help Arjen
From: Andreas Kupries on 16 Jan 2010 08:33
Arjen Markus <arjen.markus895(a)gmail.com> writes:

> On 28 dec, 13:02, Muhammad Abd El Baset <eng.m.abdelba...(a)gmail.com>
> wrote:
>> Hello all,
>>
> You can find BLT as part of the ActiveTcl distribution

Clarification: ActiveTcl, the distribution does not contain BLT. What
we provide is RBC, the "Refactored BLT Components" (*), and we provide
this through our Teapot repository.

(*) Which is a subset of BLT where the code implementing them was
cleaned up, and providing a TEA based build system, for easier
building. This also makes proper use of stubs, allowing use in
wrapped applications (starpacks).

--
So long,
Andreas Kupries <akupries(a)shaw.ca>
<http://www.purl.org/NET/akupries/>
Developer @ <http://www.activestate.com/>
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