RE: [ANN] PlotKit 0.8 for Seaside

Hallo,

I really like the new charts, but am struggling a bit to figure out how
the labels for the PlotKit pie charts work. Seeing that there is not an
xTicks: accessor for the pie chart layout, one would assume that the
labels can be set in the dataset. But using a dataset like the one below
cause's nothing to be displayed, while passing numeric labels seems to
work fine.

dataset := PKDataset new
        name: 'data1';
        addX: 'A' y: 1;
        addX: 'B' y: 2;
        addX: 'C' y: 3;
        addX: 'D' y: 4;
        yourself

Kind regards,

Mart-Mari

-----Original Message-----
From: Philippe Marschall [mailto:[hidden email]]
Sent: 10 April 2006 10:42 nm
To: The Squeak Enterprise Aubergines Server - general discussion.
Subject: [Seaside] [ANN] PlotKit 0.8 for Seaside

Hi

Alastair Tse took the time and rewrote CanvasGraph.js from scratch and
called it PlotKit (http://www.liquidx.net/plotkit/). Now Seaise
bindings are available at: http://squeaksource.com/seachart/
So whats new:
- a new renderer that looks like Office 2007
- an experimental SVG backend
- IE emulation, yes it works in IE!

There is also a demo application available at:
http://seachart.seasidehosting.st/ that also displays some other
seachart components. It uses a free template by Andreas Viklund
(http://andreasviklund.com/)

Cheers
Philippe
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Hi

You are right, #xTicks: would do the trick, but it's not there. The
reason I didn't put it in the pie layout options is that the
documentation says it's only available on line and bar layouts.
http://media.liquidx.net/js/plotkit-doc/PlotKit.Layout.html
As it turns out, the documentation is wrong and it works fine with a pie layout.

I published a new version (PlotKit-pmm.4) that adds #xTicks: to all
layout options, and updated the included demo to set the labels. I
also included a patch from the PlotKit mailinglist that allows to
disable filling and stroking for line charts.

A dataset is really just a collection of points and a string. If you
don't find the API a paragon of OOP then I agree. It's just a very
close mapping of the existing PlotKit API. This makes life for me much
easier.

If nothing is displayed this in general means that there was a
JavaScript exception. Firefox and Extensions (Javascript Console,
FireBug, Javascript Debugger) help in these cases.

Cheers
Philippe
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Hallo Philippe,

Thanks for all your effort. I am going to check this out right now.

Kind regards,

Mart-Mari

-----Original Message-----
From: Philippe Marschall [mailto:[hidden email]]
Sent: 25 April 2006 09:26 nm
To: The Squeak Enterprise Aubergines Server - general discussion.
Subject: Re: [Seaside] [ANN] PlotKit 0.8 for Seaside

Hi

> I really like the new charts, but am struggling a bit to figure out
how
> the labels for the PlotKit pie charts work. Seeing that there is not
an
> xTicks: accessor for the pie chart layout, one would assume that the
> labels can be set in the dataset. But using a dataset like the one
below
You are right, #xTicks: would do the trick, but it's not there. The
reason I didn't put it in the pie layout options is that the
documentation says it's only available on line and bar layouts.
http://media.liquidx.net/js/plotkit-doc/PlotKit.Layout.html
As it turns out, the documentation is wrong and it works fine with a pie
layout.

I published a new version (PlotKit-pmm.4) that adds #xTicks: to all
layout options, and updated the included demo to set the labels. I
also included a patch from the PlotKit mailinglist that allows to
disable filling and stroking for line charts.

A dataset is really just a collection of points and a string. If you
don't find the API a paragon of OOP then I agree. It's just a very
close mapping of the existing PlotKit API. This makes life for me much
easier.

If nothing is displayed this in general means that there was a
JavaScript exception. Firefox and Extensions (Javascript Console,
FireBug, Javascript Debugger) help in these cases.

Cheers
Philippe
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Seaside mailing list
[hidden email]
http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside

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Hi Philippe,

Thanks for PlotKit. It is looking really good. I do have a question
about color schemes. I like the Office Color schemes, but I need
something more tailored to my situation. So I want to use more primary
colors (bright red, green, blue, and what not) for my pie chart.

I'm not sure how to do this. I see PKColorScheme, but am not sure how
to pass it in to the Layout object or options object.

I've tried:

        self layout officeColors
                at: 'colorScheme' put: PKColorScheme light.

and:

        self layout options propertyAt: 'colorScheme' put: PKColorScheme light.

all to no avail. Any ideas on how I can use some of the ColorSchemes
instead of the office colors?

Regards,

John

On 4/25/06, Mart-Mari Breedt <[hidden email]> wrote:

--
The reasonable man adapts himself to the world; the unreasonable one
persists in trying to adapt the world to himself. Therefore, all
progress depends on the unreasonable man. -- George Bernard Shaw
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2006/5/3, John Pierce <[hidden email]>:
Hi

You are right, up until now there was no real support for custom
colors because the documentation of PlotKit in this area is lacking.
This is fixed with PlotKit-pmm.8.

You are now be able to do:
aChart layout  options colorSheme: PKPredefinedColorScheme light.

There is now also PKCustomColorScheme that allows you to specify
manually the colors  with Squeak Color instances. Color class >>
#wheel: is a good starting point.

Cheers
Philippe
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Hi Philippe,

On 5/4/06, Philippe Marschall <[hidden email]> wrote:

<snip />

Fantastic -- this works like a champ! Thanks much!

John

--
The reasonable man adapts himself to the world; the unreasonable one
persists in trying to adapt the world to himself. Therefore, all
progress depends on the unreasonable man. -- George Bernard Shaw
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