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One of the reasons that developers do not copy each other exactly
(patents aside), is because the "look and feel" of an application is
a copyright issue. The GUI of an application is a creative work of
art. If you ever designed your own app, you come to appreciate just
how much of the work goes into the GUI. I would say that 80+% of the
design time and code are trying to make the underlying functionality
attractive and intuitive for the user. It is what makes or breaks an
application.
Dennis
On Nov 25, 2007, at 11:20 AM, scourt2000 wrote:
>
> Regardless of what anyone may think of eSignal's charting
> (specifically), in general, they certainly set the bar very high when
> it came to the following chart/GUI elements which just about every
> other charting package on the market has been playing catch-up on for
> the past few years. I've been using these things for 4 years now in
> my trading and they're real timesavers:
>
> 1. Symbol linking (option embedded in the title bar, color-coded)
>
> 2. Interval linking (option embedded in the title bar, color-coded)
>
> 3. Cursor tracking. On a per-chart basis one can set whether or not
> the X movements (tracking time), denoted by vertical lines, sync-up
> with other chart windows. I can have a tick/volume charts, 2 min
> chart, 5 min chart, 30 min chart, etc. etc. all with cursor tracking
> turned on and each of X movements will match up with the specific
> price
> bar in each timeframe. It's a fantastic way to see how the same
> futures contract/security is acting among the different timeframes -
> or-
> how multiple symbols are moving in comparision to one another through
> the same or multiple timeframes.
>
> 4. Title bars can be completely collapsed into just a thick-ribbed
> line
> to save screen space while still being able to do #1 and #2 above.
>
> It's a good thing that none of these "inventions" were ever patented
> like that static price DOM trading ladder idea or we would all less
> off
> for it.
>
> One other thing about popping charts out of the main chart window so
> they can float about onto other monitors:
>
> eSignal still has the coolest implementation of this. It's all
> managed
> from the title bar window of each chart and is super-intuitive. Why
> all of the other charting packages just don't directly copy this idea
> is beyond me. But, like the saying goes, if it that easy to
> implement,
> everyone would be doing it. Regardless, it must have been very time
> consuming to implement and have everything so fluid for the user to
> manipulate.
>
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