Hi Charles,
I'm glad you're finding our tools useful! Your feedback will be
tremendously helpful to us for charting our future direction.
Regarding what you want to do, I'm not sure I understand your needs
completely. So, let's start exploring the solution space together. I
have prototyped something I think does what you want, but I have not
incorporated it into the Exhibit API yet:
http://people.csail.mit.edu/dfhuynh/projects/timeline-exhibit/timeline-exhibit2.html
Here, I'm introducing a new kind of event sources: a filtered event
source takes another event source and a matching function of your liking.
http://people.csail.mit.edu/dfhuynh/projects/timeline-exhibit/filtered-sources.js
I use 4 such filtered event sources to split the one event source
provided by Exhibit into 4 bands.
Let me know if this gives you a head start. Once we have iterated over
this solution enough times, then we can generalize it and I'll
incorporate it back into the Exhibit API.
By the way, there are quite a number of faceted browsing engines out
there, e.g.,
/facet: http://slashfacet.semanticweb.org/
mSpace: http://mspace.fm/
Blacklight: http://www.lib.virginia.edu/digital/resndev/blacklight.html
Endeca: http://endeca.com/
Siderean: http://www.siderean.com/
Have you seen any of them before and tried them out? I'm just curious
why you chose Exhibit in particular.
Cheers,
David
Charles Cowan wrote:
> David:
>
> Again, I'd like to express my appreciation and admiration for the
> entire Simile team. You have produced an incredibly valuable solution.
>
> Now down to my requests and questions. I am using Exhibit
> extensively related to projects. In my case, scientific research
> feeding into development programs. I need to have the flexability of
> Exhibit (the fasceted browsing) but the expanded capability of
> Timeline (I need to show related elements in multiple bands). I would
> really like a way to group related elements. Let me give you an
> example of what is really a multi-level gantt chart.
>
> I have development projects. Those projects have a start and an end
> date and I need to show the title of the project. Each project has
> three types of milestones (single dates), Project Milestones, Testing
> Milestones, and Documentation Milestones. Each project also has
> dependencies on one or more scientific research projects (which have a
> start and end date). Thus I envision a 4 band timeline with projects
> then project milestones, then testing milestones, then documentation
> milestones, then research projects. I'd like all bands to move
> together (standard timeline behavior). But I want to browse them
> using facets, perhaps picking one or two projects and seeing all of
> the related information.
>
> So, I think what I need is:
>
> 1) an ability to associate different "collections" with different
> bands in the Exhibit timeline. timelineConstructor would probably give
> me the way to create my 4 band timeline.
> 2) it would be very valuable to keep the milestones for a particular
> project together if multiple projects are displayed. Perhaps I would
> have to do that with color coding and recommendations are appreciated.
> 3) I'd love to have a way to show a relationship (i.e. a connecting
> line from one item, say a scientific research project, to a
> development project) ... probably too much to ask
>
> Also, I have had trouble trying to build pages with multiple views
> (say one page with a timeline and a tabular view, another with a
> different timeline and a different table) that can be selected with a
> browse panel. It may be a trick of the <div> nesting but I haven't
> quite figured it out. Recommendations here?
>
> Thanks again.
>
> Charles
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