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Author Topic: Cancellation map - what it's showing  (Read 108389 times)
grahame
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« Reply #60 on: June 09, 2013, 08:56:31 »

OK ... fixed

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grahame
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« Reply #61 on: October 29, 2013, 14:16:07 »

Digby & Sowton has also been re-located from the Irish Sea ...
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Chris from Nailsea
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« Reply #62 on: October 30, 2013, 00:28:00 »

Member '6 OF 2 redundant adjunct of unimatrix 01' will no doubt be relieved to see that ...  Wink
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William Huskisson MP (Member of Parliament) was the first person to be killed by a train while crossing the tracks, in 1830.  Many more have died in the same way since then.  Don't take a chance: stop, look, listen.

"Level crossings are safe, unless they are used in an unsafe manner."  Discuss.
JayMac
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« Reply #63 on: October 30, 2013, 03:21:24 »

... now living in Gillingham (Dorset).
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grahame
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« Reply #64 on: December 24, 2013, 08:16:07 »

The map i struggling this morning - or rather the data feed behind it.   Seems like there are a few problems on the lines (such as flood water and the effect of winds) that are generating a lotta lotta traffic.  Rather than just present a blank map as if everything's OK, I've tweaked the software to tell you that the feed's not coming through properly.

Note that maps are cached in your browser, and a SHIFT-Reload may well bring through an updated map rather quicker than simply waiting for a page that reloads it for you.
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LiskeardRich
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« Reply #65 on: December 24, 2013, 10:56:27 »

The map i struggling this morning - or rather the data feed behind it.   Seems like there are a few problems on the lines (such as flood water and the effect of winds) that are generating a lotta lotta traffic.  Rather than just present a blank map as if everything's OK, I've tweaked the software to tell you that the feed's not coming through properly.

Note that maps are cached in your browser, and a SHIFT-Reload may well bring through an updated map rather quicker than simply waiting for a page that reloads it for you.

31 showing cancelled (in the next 2 hours) and 48 service amendments (in the next 2hours), can hardly see the map through thick red and blue lines!
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Chris from Nailsea
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« Reply #66 on: December 24, 2013, 13:12:20 »

Now 44 and 50 respectively!  Shocked Roll Eyes
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William Huskisson MP (Member of Parliament) was the first person to be killed by a train while crossing the tracks, in 1830.  Many more have died in the same way since then.  Don't take a chance: stop, look, listen.

"Level crossings are safe, unless they are used in an unsafe manner."  Discuss.
Chris from Nailsea
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« Reply #67 on: December 24, 2013, 17:30:46 »

... and now 77 and 43 respectively!  Shocked Shocked Shocked
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William Huskisson MP (Member of Parliament) was the first person to be killed by a train while crossing the tracks, in 1830.  Many more have died in the same way since then.  Don't take a chance: stop, look, listen.

"Level crossings are safe, unless they are used in an unsafe manner."  Discuss.
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« Reply #68 on: February 15, 2014, 16:51:34 »

Despite the storms and flooding hitting the real world network the resilience and reliability of the cancellation map in these apocalyptic conditions has been excellent  Shocked  Grin

And at times some very pretty images  Grin
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« Reply #69 on: February 15, 2014, 17:41:29 »

Did you speak too soon Electric train, or is this a graphical representation of a south coast tidal surge?



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« Last Edit: February 15, 2014, 17:47:08 by bignosemac » Logged

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grahame
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« Reply #70 on: February 16, 2014, 08:40:32 »

To my knowledge there have been four failures so far this winter. 

One (as reported by BNM) is that strange graphic above; glitches like that happen (and are corrected automatically in 5 minutes) a handful of times every year; I think I know what the problem is, but it would be nontrivial to fix and virtually impossible to test as it results from a three way race condition between users that can't be easily reproduced. Message - celebrate the 99.9962% of the time it's working right  Wink

The other three are occasions where an FGW (First Great Western) train schedule was modified to terminate a train at a station they don't normally turn at - Dawlish Warren being the most recent.  These errors result in a line being drawn on the map to an obviously erroneous location somewhere off Rosslare, and are fixed when I notice the problem or someone tells me - usually within an hour or so.   I COULD modify the software to silently omit these lines, but I've chosen to let them happen as it brings the problem to attention very quickly and lets us sort the issue out - usually no more than a couple of minutes of work.

I have the luxury with issues like these that (a) I can sit in a quiet corner and fix them without having to go on site  in the nasty weather and (b) 99.99% is good enough in terms of reliability as there's no health and safety issue that puts lives at risk if we get it wrong 0.01% of the time.  I'm so glad that I don't have to go out into the cold and fix to a 100% level like the rail industry folks do, and for which we don't thank them enough.

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4064ReadingAbbey
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« Reply #71 on: February 16, 2014, 12:14:22 »

Hear, hear!
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Chris from Nailsea
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« Reply #72 on: February 16, 2014, 14:35:11 »

Yes, I'd also like to add my thanks here to grahame, for his work 'behind the scenes' in maintaining the cancellation map on this forum.  Cheesy

I also echo his 'thank you' to all of the railway staff who are out there in all weathers working to restore our train services in the Great Western area.
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William Huskisson MP (Member of Parliament) was the first person to be killed by a train while crossing the tracks, in 1830.  Many more have died in the same way since then.  Don't take a chance: stop, look, listen.

"Level crossings are safe, unless they are used in an unsafe manner."  Discuss.
grahame
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« Reply #73 on: March 29, 2014, 10:51:52 »

Glitchy feed this morning - it looks like our upstream data supplier is moving servers / changing IP addresses as so we're seeing some "no data feed" messages.   I'm keeping an eye on this and expect it to right itself in due course, but cached DNS (Domain name service) information may last for a number of hours or even a day in these circumstances.
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TonyK
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« Reply #74 on: March 30, 2014, 20:17:37 »

Might explain why some trains vanished from the "Ticket finder" today.Thankfully, Mrs FT,N! trusted my reading of items such as FGW (First Great Western)'s twitter feed, Real Time Trains, and some chicken entrails, and caught her train without incident.
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