Re: Remove perspective from a photograph

In article <0298e3a94d.davehigton@xxxxxxxxxxxxx>,
Dave Higton <davehigton@xxxxxxxxxxxxx> wrote:
> In message <e75caaa94d%beamendsltd@xxxxxxxxxxxxx>
> beamendsltd <beamendsltd@xxxxxxxxxxxxx> wrote:

> > In message <bsOdnUslw-QNjrveRVnyuw@xxxxxxxxxxxxxx>
> > Glenn Richards <glenn@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
> >
> > > Does it have proper multitasking, or can one app still
> > > bring the system to a halt?
> >
> > Is that the proper mutitasking that leaves windows half drawn, stops
> > doing anything (with no visual prompt) etc? Then no, thank god.

> I'm *so* fed up with my Win2k system at work. It just stops doing
> anything - with no hourglass - for ten or more seconds at a time.
> I don't get half-drawn windows, though - they aren't drawn at all.

Oh, I also get that happen: I just accept it as the norm for that
system, just as (I believe) drivers have to make allowances for known
quirks of other vehicles if they have to drive them sometimes (spouse's
or work vehicle, for instance). When starting an application, for
example, I usually turn around (on my swivelling chair!) and do
something briefly on one of my 'proper' computers, then turn back by
which time it has -- hopefully -- loaded.

> And these are many-times-a-day occurrences, behind a corporate
> firewall, with bang up to date spyware removal and anti-virus tools,
> and with an IT department to keep everything running smoothly. And
> yes, this is normal, according to my colleagues.

I think in reality it is for most users, though there must be ways to
overcome the problems. From what I have gleaned from various sources,
the only remedy is to re-install the OS and keep the machine
disconnected from the 'Net permanently. There might be other solutions
I have not yet encountered.

> Oh yes, there are all the "This task is not responding" messages
> too...

Yup: usually it is best to re-start the machine at this point.

> And there's the second-by-second frustration of not being able to move
> one window because it's got a child open, and you can only type into
> the window at the front, which is obscuring the stuff you need to see
> so that you know what to type...

We've been spoiled by having a truly productive system. Most people in
the world have never done so, and therefore don't know any better.
Those who have moved from our platform are frequenly those who have a
specific need that cannot be met under RISC OS, and have changed over
completely, thus also throwing out the baby.

Those who are staying with that one (MS) system are often (I have
discovered) doing so because of its entertainment capabilities -- they
are more interested in passive stuff like downloading and watching
movies than anything productive, so it's not such a great loss to them.

Anyone who really /is/ involved in truly productive computing activity
is unlikely to ditch RISC OS altogether, unless there are very special
circumstances such as losing one's sight and needing all the screen
reading and braille capabilities that we no longer have at a suitable
level. the Franklin Worjstation was a long time ago, now...

> No wonder I don't use Doze at home. It's a user's nightmare.

I don't unless I really have to. The Wintel box is only infrequently
even switched on, and that's the way I like it(!)

--
John M Ward : RISC OS computing since 1987, now Iyonix-powered!
Acorn/RISC OS web page: www.john-ward.org.uk/personal/john/computers
.

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