But - thata will evans user experience architect [EMAIL PROTECTED] 617.281.1281
On Oct 5, 2007, at 7:17 PM, "Oleh Kovalchuke" <[EMAIL PROTECTED]> wrote: > It sounds like you have a categorization problem, which cannot be > solved by > improving target acquisition. > To go on with your pun: Fitts law does not fit here. > > Oleh > > > > On 10/5/07, Alan Wexelblat <[EMAIL PROTECTED]> wrote: >> >> I've been trying to figure out how to use Fitt's Law properly to >> increase the targetability of a dense tree structure, as displayed on >> a browser page. >> >> The information in the hierarchy is three levels, call them Category, >> Subcategory, and Items. >> >> There are about 5 Categories, each of which has 3-10 Subcategories >> and >> each subcategory has 1-15 Items. >> >> Displaying these data in a conventional tree leads to a display that >> is a grand pain to target on. The left side is nice and large and >> clear, but the right column of Items is dense and packed so that >> targeting becomes quite slow. >> >> Ideally I'd replace the tree with something like a pie menu or other >> progressive display, except that the users are infrequent visitors. >> We cannot expect them to learn or remember the taxonomy. The display >> needs to support scanning. >> >> In addition, a significant fraction of the users know the NAME of the >> thing they want, but again do not know or remember the categories. >> Thus I want to support conventional "find" functionality (ctrl-F). >> >> My initial attempt involved using Javascript tricks to expand the >> size >> of the Items group when the user's mouse got nearby, but that seems >> to >> confuse people as their target appears to "jump" and may not be where >> they're tracking to. Expanding the font itself (by bolding or >> changing >> size) also has bad effects in that it can cause word wrap, meaning >> the >> target is suddenly very far away from where the person is tracking. >> >> Can anyone suggest a way I can meet the two constraints (support >> scanning; support find-ability by name) while improving the >> time-to-target problem for people who are actually using the >> taxonomic >> hierarchy? >> >> -- >> --Alan Wexelblat >> ________________________________________________________________ >> Welcome to the Interaction Design Association (IxDA)! >> To post to this list ....... [EMAIL PROTECTED] >> List Guidelines ............ http://beta.ixda.org/guidelines >> List Help .................. http://beta.ixda.org/help >> Unsubscribe ................ http://beta.ixda.org/unsubscribe >> Questions .................. [EMAIL PROTECTED] >> Home ....................... http://beta.ixda.org >> > > > > -- > Oleh Kovalchuke > Interaction Design is the Design of Time > http://www.tangospring.com/IxDtopicWhatIsInteractionDesign.htm > ________________________________________________________________ > Welcome to the Interaction Design Association (IxDA)! > To post to this list ....... [EMAIL PROTECTED] > List Guidelines ............ http://beta.ixda.org/guidelines > List Help .................. http://beta.ixda.org/help > Unsubscribe ................ http://beta.ixda.org/unsubscribe > Questions .................. [EMAIL PROTECTED] > Home ....................... http://beta.ixda.org ________________________________________________________________ Welcome to the Interaction Design Association (IxDA)! To post to this list ....... [EMAIL PROTECTED] List Guidelines ............ http://beta.ixda.org/guidelines List Help .................. http://beta.ixda.org/help Unsubscribe ................ http://beta.ixda.org/unsubscribe Questions .................. [EMAIL PROTECTED] Home ....................... http://beta.ixda.org
