On Wednesday 24 July 2002 10:37 pm, Tom Sawyer wrote: > On Wed, 2002-07-24 at 21:07, Albert Wagner wrote: > > No, the metaphor of a manual spreadsheet drove the design of both the UI > > and the functionality. Each is useless without the other, so the design > > of the two must proceed in parallel. > > not really. i mean it depends on the application. certainly there are > some applications that hinge on thier very visualization. but even so > the conceptual model will stand on its own. for instance i could design > a spreadsheet like engine without being certain how it will be > visualized. i may have the notion that it will lay out like a grid, but > it's possible that i may, after already completing the backend, decide > that the 'cells' need not be in a grid after all, and rather can be > freely placed anywhere on a page. (in fact i've been waiting for this > --the eventual merging of spreadsheet and word proccessor. ;-) > > if you develop your application too closly in relation to its interface, > you will find yourself back-peddling should you later realize the > interface should work another way. The functionality of a spreadsheet had been around for years embedded in various business applications that were tedious and unexciting to their users. It was the visual metaphor of a spreadsheet that made it a killer app and the saviour of Apple. Please don't make the mistake of underestimating the importance of a UI to public acceptance of a product. The world is littered with applicances that failed simply because they ignored some basic rules about how people perceive. Read: "The Design of Everyday Things" by Donald A. Norman. > > ~transami > > ~transami