Groups > comp.lang.java.programmer > #31097

Re: matrix visualization

From	Jeff Higgins <jeff@invalid.invalid>
Newsgroups	comp.lang.java.programmer
Subject	Re: matrix visualization
Date	2015-02-09 08:31 -0500
Organization	A noiseless patient Spider
Message-ID	<mbad2f$jju$1@dont-email.me> (permalink)
References	(2 earlier) <mb5rq8$as3$1@ariadne.rz.tu-clausthal.de> <mb6423$62s$1@dont-email.me> <mb6h67$9e5$1@dont-email.me> <mb9s6i$ju0$1@dont-email.me> <mbabkl$9eh$1@dont-email.me>

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On 02/09/2015 08:10 AM, Martin Gregorie wrote:
> On Mon, 09 Feb 2015 03:43:38 -0500, Jeff Higgins wrote:
>
>> On 02/07/2015 09:17 PM, Jeff Higgins wrote:
>>> and conclude you are not looking to visualize results but for a massive
>>> spreadsheet.
>>
>> So you'll likely want to tile your matrix.
>> SWT table model has "virtual" tables built into the api.
>> <https://eclipse.org/articles/Article-SWT-Virtual/Virtual-in-SWT.html>
>> But I don't know how (well) it works, I haven't used tried to use.
>>
>> When I open LibreOffice Calc in a maximised window I see fifteen columns
>> and forty-five rows. Perhaps that is a good tile size. So keep a nine by
>> nine block of tiles from your matrix as your "virtual" table viewport
>> and move the viewport about as your user scrolls.
>> ?
>
> This may not be exactly what the OP wants, but should at least be fairly
> easy to implement. In Swing term, here's my suggestion Use the zooming
> image visualiser as the outer layer, and (probably minimising the
> minimising the number of zoom layers by using a large image in a
> JScrollPane with co-ordinates etc used as the frame's title. When zoomed
> in close enough, use a to JTable to show the actual content, populating
> the JTable model with the relevant patch copied from the master data
> matrix. The first column and the header row would be used to show matrix
> co-ordinates.

Huh. Hadn't thought of that approach. Interesting. I thought of some
sort of a "picture in a picture", "you are here" type of a gadget for
navigation.

>
> I've recently been using a JScrollPane containing a set of JPanes managed
> by the CardLayout layout manager to navigate a set of related panels,
> some of which are too big to fit my screen. This worked well once I'd got
> my head round how you're meant to use CardLayouts (which is not well
> explained in the Oracle's tutorials or the class-level documentation) but
> using the CardLayout manager may offer a convenient way of stepping up
> and down the zoom levels.
>
>

Thread

matrix visualization Philipp Kraus <philipp.kraus@flashpixx.de> - 2015-02-07 12:44 +0100
  Re: matrix visualization Marcel Mueller <news.5.maazl@spamgourmet.org> - 2015-02-07 12:57 +0100
  Re: matrix visualization Jeff Higgins <jeff@invalid.invalid> - 2015-02-07 14:49 -0500
    Re: matrix visualization Philipp Kraus <philipp.kraus@flashpixx.de> - 2015-02-07 21:16 +0100
      Re: matrix visualization Jeff Higgins <jeff@invalid.invalid> - 2015-02-07 17:33 -0500
        Re: matrix visualization Jeff Higgins <jeff@invalid.invalid> - 2015-02-07 21:17 -0500
          Re: matrix visualization Jeff Higgins <jeff@invalid.invalid> - 2015-02-09 03:43 -0500
            Re: matrix visualization Martin Gregorie <martin@address-in-sig.invalid> - 2015-02-09 13:10 +0000
              Re: matrix visualization Jeff Higgins <jeff@invalid.invalid> - 2015-02-09 08:31 -0500
                Re: matrix visualization Jeff Higgins <jeff@invalid.invalid> - 2015-02-09 08:44 -0500
                Re: matrix visualization Jeff Higgins <jeff@invalid.invalid> - 2015-02-09 10:01 -0500
                Re: matrix visualization Philipp Kraus <philipp.kraus@flashpixx.de> - 2015-02-11 08:50 +0100
              Re: matrix visualization Philipp Kraus <philipp.kraus@flashpixx.de> - 2015-02-11 08:48 +0100
            Re: matrix visualization Philipp Kraus <philipp.kraus@flashpixx.de> - 2015-02-11 08:47 +0100

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