[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: DOO In Sydney?



On 29 Sep 1999 07:55:18 +1000, craigd@lios.apana.org.au (C. Dewick)
wrote:

>In <RXztN=YPH1fObNCRb3bHCaXMltyk@4ax.com> billboltonREMOVE-TO-EMAIL@computer.org (Bill Bolton) writes:
>
>>"Exnarc" <gwrly@netspace.net.au> wrote:
>
>>> They aren't so in those cases you use CCTV Monitors on the platforms, as
>>> does Melbourne now. The provision of vandal proof roller doors are of cause
>>> essential as are hoods to shield the screens during bright sunlight. Either
>>> way its cheaper than providing CCTV everywhere!!!
>
>But how do you counter the train and platform length issue? You either need
>a very large display screen in the driver's cab to show simultaneous
>multiple images for curved platforms which would require at least 3 or more
>cameras to give anything approaching reasonable coverage which would be
>legally acceptable in terms of public liability insurance, etc. 

[snip]

>And having platform-mounted display units in secure cabinets is just not
>going to work at all since that would mean than every train, regardless of
>length, has to pull up at the departure end of the platform no matter what.
>Admittedly that would be more of a cultural change than anything else, but
>changing the *passenger's* cultural views on where trains pull up will be
>much harder to achieve!

An interesting point Craig, and something I had not considered.  How
do the platform mounted monitors work in Melbourne, when 3-car trains
run?

Cheers...JD