I'd second Bob's remarks. JHS takes some getting used to but I now spend
more time in JHS than all other J interfaces combined. To make full use of
JHS requires getting into JavaScript, CSS and HTML but thankfully that
unholy triad is as close to universal as it gets. With advancing years my
patience for relearning interfaces every five years is wearing thin. I'll
do it one more time for JHS and then, something is going to have do
something really amazing, like accurately predict tomorrows stock prices,
to repeat the exercise.


On Mon, Dec 31, 2012 at 9:55 AM, bob therriault <[email protected]>wrote:

> Kip,
>
> The iPad version runs on the iPhone down to the 3GS level (although a
> little slower than on the iPad).
>
> Henry,
>
> Once you have a server running the J engine, JHS just requires a modern
> browser and JavaScript to be available. The graphics available for
> interfaces or other displays are whatever is available on the web. I have
> used HTML and SVG, and I would imagine that webGL would be available as
> well. I find I spend a lot of time programming JavaScript when I develop
> interfaces, but I think that the JHS version is the one that has the best
> potential for wide distribution. The iPad version is not the same as JHS,
> but because it allows HTML access through the jy verb those tools are
> transferrable for at least part of the screen. In the case of the iPad, the
> HTML cannot yet trigger the J interpreter the way that you can using events
> on JHS. These are all personal opinions. I would love to here the
> experience of others, especially if it differs. :)
>
> Cheers, bob
> On 2012-12-31, at 7:36 AM, km wrote:
>
> > I use the iPad version for casual use, the JHS version for serious use,
> have avoided GTK.
> >
> > I have just acquired the Android version for my smartphone -- it is
> different from the iPad version and, I suppose, the iPhone version if the
> latter exists.
> >
> > There have been a variety of graphics "libraries" supported in JHS,
> perhaps Eric could comment.
> >
> > I want to point out you can set up use of JHS in parallel browser
> windows, left window for execution, right window an ijs file; so the "feel"
> (to me) is  much like J6.
> >
> > Kip Murray
> >
> > Sent from my iPad
> >
> >
> > On Dec 31, 2012, at 9:03 AM, Henry Rich <[email protected]> wrote:
> >
> >> I still run J6, but recently I have used J7 a bit, and I am impressed.
> I think I can switch over to J7/GTK now.  But then there's this JHS thing.
>  It seems to incompatible with GTK.  Is that right?
> >>
> >> I am trying to find a graphics system to use to replace grid for
> dissect.  GTK seems to be what I want - it will support autoscrolling
> controls, which is what is needed to display nouns of arbitrary size.
> >>
> >> But then, what about JHS?  Is there going to be a graphics library that
> is supported across all J7 systems?
> >>
> >> And, what interface do most people use?  Is it GTKIDE most of the time,
> and JHS occasionally, or the other way around?  Are things different on
> Android and iPhone?
> >>
> >> In short: what graphics approach should I take to make dissect run on
> as many J screens as possible?
> >>
> >> Henry Rich
> >> ----------------------------------------------------------------------
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>
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-- 
John D. Baker
[email protected]
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