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Veloviwer: Difficult explorer squares

(175 posts)
  • Started 4 years ago by stiltskin
  • Latest reply from chdot
  • This topic is resolved

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  1. Frenchy
    Member

    @chdot - maybe best illustrated using an image:

    https://imgur.com/WT1bBX5

    Red lines are my GPS tracks. Coloured squares are squares which I have at least one track going through.

    The blue squares are squares which I've visited, as well as visiting all four neighbouring squares. The largest connected group of such squares is one's "cluster".

    Did that help?

    Posted 3 years ago #
  2. paddyirish
    Member

    We try to visit as many adjacent 1 sq mile "tiles" on the map as possible, record it on Strava and upload to Veloviewer. I really enjoy it as a way to visit new roads, paths and cafes and have found a lot more (good and bad) than if I had just stuck to main roads.

    If you have visited the tiles N, S, E and W of a tile, then that tile is eligible to be in your cluster. Green tiles are visited, but outside the cluster and blue ones (now 1002) are in my cluster

    Screenshot_20200815-173533

    Some people also try to create a square of n x n tiles all visited. In Edinburgh and Fife we are limited by the sea and the hills, but if truly dedicated, it won't put us off... A guy in England has visited 101x101 tiles.

    What @acsimpson means is that the tiles I have visited are bunched very close together relative to his. i.e. I'm much more anal about it than he is..

    Posted 3 years ago #
  3. Frenchy
    Member

    @paddyirish - in case you hadn't already realised, tiles actually aren't 1 mile square - they're squares on a Mercator projection, so change size depending on latitude. At the equator they're 2.5km wide, but at the northern tip of Greenland they're only about 250m wide.

    Around us they're about 1.4km wide. I realised a while ago that they weren't 1 mile wide, but somehow only just now realised why...

    Posted 3 years ago #
  4. paddyirish
    Member

    Thanks @Frenchy- clearest explanation I've read.

    Posted 3 years ago #
  5. Kenny
    Member

    Oooh, yes I really should do that cluster extending thing by going to Kincardine and getting some more that way, because right now my paltry Fife offering is orphaned from my Edinburgh slightly-less-embarrassing offering.

    I see that my Activities do indeed show all my routes and thus my privacy zone is ignored. Sigh. I shall hide it again.

    Posted 3 years ago #
  6. chdot
    Admin

    Thanks all, I understand now (as much as I need to).

    “they're squares on a Mercator projection, so change size depending on latitude. At the equator they're 2.5km wide, but at the northern tip of Greenland they're only about 250m wide”

    I understand Mercator too, but hadn’t realised the implications were so extreme!

    I wonder how it would look with this -

    https://en.wikipedia.org/wiki/Gall–Peters_projection

    Posted 3 years ago #
  7. acsimpson
    Member

    What I can't understand is why the mercator projection (or any other global projection) needs to be used. Why can't the OSM tiles simply map to identically sized areas on the earth's surface?

    Was it simply because that was how the founders coded OSM or is there a technical reason I am missing? Or perhaps there is some geometric requirement which means it needs to be the same projection at all zoom levels to allow smooth zooming.

    Posted 3 years ago #
  8. Frenchy
    Member

    I think it's because such projections don't preserve angles. So in the likes of northern Norway, if two streets meet at right angles in real life, the map might show them meeting at 40 or 50 degrees.

    Posted 3 years ago #
  9. gembo
    Member

    Curvature of the Earth? If only the earth was flat as per the graffiti on the A9

    Posted 3 years ago #
  10. acsimpson
    Member

    I had to pick something up in Bathgate so I headed out in the mist today and took the opportunity for a few more squares. Although They were all accessible by road I found a few nice trails to entertain myself.

    They were all the wrong side of Livingston and in my book that makes them challenging.

    Most of the new squares are of future benefit but I did edge my cluster past 900 which was nice.

    Posted 3 years ago #
  11. paddyirish
    Member

    Excellent work! I have been across the bridge on my bike once in 9 months, so have neglected all tiles south of the river, apart from a few on walks in the East Lothian/ Eyemouth region

    I've been collecting around Perth and have branched out towards Dunkeld. It has been lovely seeing the colours in Perthshire in Autumn and I've seen a number of red squirrels, sparrowhawks and buzzards.

    On Saturday, I went past a road closed sign to get 3 tiles, just about managing it. The road petered out into the building site for dualling the A9 and to get the last tile I ended up having to cross a big slag heap. Ended up hitting a sinky spot, ending up knee deep in mud and losing a shoe when I extracted my leg. Had to reach in with my hand to remove the mud surrounding the shoe to get underneath it so I could pull it up. Ended up looking "left side man, right side swamp thing". All good fun :-). Anyway 14 new tiles and cluster up 21 to 1090.

    @acsimpson, have you seen the ride every tile club on Strava? Some good bits of info on tools, route-plotting and some good stories etc.

    Posted 3 years ago #
  12. gembo
    Member

    Which side is the wrong side of Livingston?

    Posted 3 years ago #
  13. paddyirish
    Member

    Which side is the wrong side of Livingston?

    Inside?

    I'll get my hat

    Posted 3 years ago #
  14. gembo
    Member

    Stuck inside of Pumphie with the Murieston Blues Again as Bobby D sang

    Posted 3 years ago #
  15. gembo
    Member

    @paddy Irish. I was once wearing @ fetching long sleeve t shirt white in colour when we sneaked into poetry garden then cycled the disintegrating Stoney path north to Boston Cottage on the A70. About half way over we crossed a valley and went throug( a big puddle, I fell in with right arm up to oxter in black iron coloured water then had to cycle back to Balerno. Was not a great look

    Posted 3 years ago #
  16. bill
    Member

    right arm up to oxter

    Thanks @gembo! I just quoted this to Mr Bill as the other he was complaining about me using the word 'oxter' and claiming that nobody uses it.

    Posted 3 years ago #
  17. acsimpson
    Member

    Which side is the wrong side of Livingston?

    Inside?

    In a way you are not wrong. When cycling the wrong side is any side if you want to be on the other side. They have some nice paths but I've yet to find a way through which isn't either bitty or involves large roundabouts.

    Posted 3 years ago #
  18. gembo
    Member

    NCN75 is at least signposted

    Posted 3 years ago #
  19. acsimpson
    Member

    Indeed, Although I have never followed it through Livingston I can attest to it being bitty in other parts. From Bathgare to Caldercruix though it's pretty good.

    Posted 3 years ago #
  20. gembo
    Member

    Yes and from the pyramids East into the country park, does go round houses but at the other end you get old Livingston village too and fairly good bit near the malls though some broken glass at Lewis Capaldi Bridge

    Posted 3 years ago #
  21. acsimpson
    Member

    How do you define the coast?

    I headed out earlier to get the two remaining (non tidal) coastal squares that I had left in easy reach. Or at least I think I did.

    I have a squares with tidal water upstream of Kincardine still unvisited which I had subconsciously decided weren't coastal. Now that I have thought about it I'm not sure what make a square coastal and where the coast ends as you head up the firth. I have settled on Kincardine as that's where you can visit the same square north and south of the river. But I'm not certain I wont be claiming to have completed it again once I get all the Forth squares up to Stirling.

    Posted 3 years ago #
  22. Frenchy
    Member

    @acsimpson - you obviously need to go all the way to Aberfoyle...

    Posted 3 years ago #
  23. gembo
    Member

    The old kincardine bridge could be opened to allow a ship through. I don’t think the new one does. So you could say that is the border twixt river and estuary. If you wanted to.

    The Forth starts way over in the lands claimed by the West Coasters e.g. Queen ELiz Forest Park etc.

    The Clyde a mere twenty miles from my front door and starts in Dumfries and Galloway(well very far south of South Lanarkshire Is probably right if the source is pinpointed as where two burns meet at Watersmeetings and flows north and east for long stretch of its journey turning west near Quothquan.

    Posted 3 years ago #
  24. I were right about that saddle
    Member

    I will claim that the Clyde starts in Carsehope Middens or maybe Thick Cleuch Moss because I like both names.

    Though actually....looks like the Crook Burn flowing off the north slopes of Queensberry. Right next to the Pot of Ae which is pleasing but flows south obviously.

    Posted 3 years ago #
  25. chdot
    Admin

    The River Forth flows from its source about 30km west of Stirling

    https://www.bbc.co.uk/bitesize/clips/z8w3d2p

    As a Glaswegian, I have long wondered where, precisely, the river that runs through my city begins.

    http://www.scotsman.com/news/journey-search-source-clyde-reveals-much-about-rivers-place-nations-heart-2442106%3famp

    Posted 3 years ago #
  26. acsimpson
    Member

    Only on CCE would a question about the outflow of a river end up with a discussion about the source of a different river.

    Posted 3 years ago #
  27. paddyirish
    Member

    "How do you define the coast?"

    Very good question. Was thinking the same thing a few weeks back- was looking to extend my VV cluster Coast to Coast and was looking to see where the coast on the Clyde was.

    Lots of people quote the length of the river as an exact value, but then say that where the mouth is is vague. I'm going for the Tail of the Bank which means I'd need to extend my cluster to Greenock- quite a bit of work to do there. But that will need to wait post lockdown.

    Got two definitely coastal tiles today, at Ruddons Point on the Fife Coast path.

    To get all the coastal tiles in Fife, reckon I will need to take to the water around Longannet, Crombie Pier, Port of Rosyth and also an annoying tile off Methil. A couple of tiles on the inner Tay are best accessed from the north Bank.

    Two of the trickiest appear to be South of Leuchars Air base, but they have been done.

    Posted 3 years ago #
  28. acsimpson
    Member

    Have the Leuchars tiles been done recently? They were easily accessible during the airshows back in the day. Of course being an air base and with mud flats I assume it's also possible to get round the southern boundary (at low tide). Something I'm sure you would be willing to try.

    Posted 3 years ago #
  29. paddyirish
    Member

    Yes, the mud flats were done by a guy from Dundee. Quite a long walk to get the western one. But definitely doable.

    Posted 3 years ago #
  30. paddyirish
    Member

    This is how to find out if a tile has been visited and how.

    Lots of Scotland free for exploration :-)

    Posted 3 years ago #

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