hoverText for Exhibit timeline?

[steven hodges]

Hi...

I see references to a "hoverText" attribute for Exhibit timelines in the javascript, but I don't know if that works the way I think it's supposed to -- I'm thinking it can be used to specify text that would pop up (like a tooltip) when you hover over an item in a timeline. However, I've tried specifying it without any luck. I would be grateful for any pointers. Thanks--

[Stephen Boyd Davis]

PhD studentship - Develop sophisticated digital timelines of cultural data within an academic-industrial partnership in London

We are not promising to use Simile for this, but obviously it will be a candidate system.

A PhD studentship is available at the Royal College of Art in London, funded by the UK Engineering and Physical Sciences Research Council. The funding includes the fees and a living allowance. This is a collaboration with industry, based at System Simulation, a research-led software engineering company in central London with a distinguished record of working with museums and other cultural organisations. The studentship provides a strong base on which to develop an industrial or academic career.

The aim of the research is to reveal new knowledge by visualising diverse large datasets in rich interactive timelines, other chronographic formats and related graphical displays. Our principal aim will be public understanding of historical and other data - making complex patterns visible to the lay viewer at a glance - though the visualisation tools will be adaptable to advanced use by researchers, curators, historians, and others.

The right applicant will have a strong desire to combine in-depth study and practical development. Their experience will include the design and development of interactive software. A software engineer may be the ideal candidate, but others with significant development experience are welcome to apply. They will be enthusiastic (and preferably knowledgeable) about visualisation and visual analytics, and have some understanding of working with large datasets. They will be committed to evaluation as well as making, since it is essential that the products of the research are usable and likeable as well as functioning to a high technical standard. See the documents online for further details.

http://www.rca.ac.uk/Default.aspx?ContentID=161457&GroupID=161452
(scroll down to "EPSRC-funded PhD Studentship")

Closing date 28 February 2012. Studentship to begin as soon as possible after 23 April 2012.

To discuss academic / industrial aspects of the studentship, email
stephen.b...@rca.ac.uk

To discuss administrative / financial aspects, email
suzanne...@rca.ac.uk

An indication of past work by the academic director of this research can be
seen here: http://rca.academia.edu/StephenBoydDavis/Papers

Stephen.

..........................................................................................................................
Stephen Boyd Davis | Research Leader, School of Design | Royal College of Art
Kensington Gore, London SW7 2EU, United Kingdom

Telephone
Wanda Polanski (School of Design) 44 (0)20 7590 4352
Pauline Watkins (InnovationRCA) 44 (0)20 7590 4249
Personal extension 44 (0)20 7590 4343

www.rca.ac.uk
..........................................................................................................................

[Ryan Lee]

Hello,

It's a path expression specifier to declare how to get from the item
you've moused over to the related value to show on hover. For instance:

{ "items": [ { "label": "Thing", "hover": "ThingHover" } ] }

You'd set hoverText=".hover", which would show "ThingHover" when you
mouse over that Thing item on the Timeline view.

[steven hodges]

Thanks Ryan...

I think I've set things up right but I'm still not getting any hovering:

http://www.prism.gatech.edu/~sh157/exhibit/presidents.html

If anyone can look and point out anything obvious I'm doing wrong, I'd
be grateful. Thanks--

-steve

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[Ryan Lee]

On deeper inspection, I suspect what's going on is that the Exhibit
Timeline view is out of sync with Timeline. Unless you patch the view,
it won't work; the latest version of Timeline prefers "caption" over
"hoverText" when passing in a hash for event attributes.

These lines in the Timeline default event source code ensure hoverText
is completely ignored:

this._title = cleanArg('hoverText');
this._title = cleanArg('caption');

meaning this._title will always be null if you're still using hoverText
and not caption, so you'll never see a caption in the Exhibit view.

I'll be pushing an update to fix this for 3.0.0rc1.

[Sandeep]

Is there a way, using the Exhibit timeline, to position the items
vertically (as they can be positioned horizontally by date).

On Feb 17, 9:59 pm, Ryan Lee <ryan...@zepheira.com> wrote:
> On deeper inspection, I suspect what's going on is that the Exhibit
> Timeline view is out of sync with Timeline.  Unless you patch the view,
> it won't work; the latest version of Timeline prefers "caption" over
> "hoverText" when passing in a hash for event attributes.
>
> These lines in the Timeline default event source code ensure hoverText
> is completely ignored:
>
> this._title = cleanArg('hoverText');
> this._title = cleanArg('caption');
>
> meaning this._title will always be null if you're still using hoverText
> and not caption, so you'll never see a caption in the Exhibit view.
>
> I'll be pushing an update to fix this for 3.0.0rc1.
>
> On 2012-02-17 07:32 , steven hodges wrote:
>
>
>
>
>
>
>
> > Thanks Ryan...
>
> > I think I've set things up right but I'm still not getting any hovering:
>
> >http://www.prism.gatech.edu/~sh157/exhibit/presidents.html
>
> > If anyone can look and point out anything obvious I'm doing wrong, I'd
> > be grateful. Thanks--
>
> > -steve
>