Dots in maps

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Fjon
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Post by Fjon »

I had some spare time so I made one for Ireland too. Now I have to work on filling in those 102 dots!
If you can keep your head when all around you have lost theirs, then you probably haven't understood the seriousness of the situation.
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Re: Dots in maps

Post by Yippo »

avij wrote:
airis wrote:The dot of Ylitornio-Aavasaksa area in south-western Lapland is now clearly in Sweden.
Hm, I've now moved all the dots very slightly to the east. Now your dot at least touches the border, so if your note was found at the border it should be okay.
Actually Ylitornio is little bit more to west than Tornio or Pello. You can check from a real map if you want. (I've lived in Ylitornio for almost 20 years).

I noticed that there are two dots which both have Tornio zip codes in them. Does one line split Tornio?
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Post by androl »

lmviterbo wrote:While you were doing that marvelous work, I've done this, copying the style of your previous map:
Image

I checked carefully for all borders and I am almost certain that nothing is missing or wrong now, except for those 2 red dots, which should be part of the borders, otherwise notes on Cabo da Roca or Berlengas will fall on the ocean.
I don't understand, what exactly are these red dots? There aren't any notes entered in the squares where these dots are in. Have you made these by entering coordinates to the map image, just like we made the map?
avij wrote:
airis wrote:The dot of Ylitornio-Aavasaksa area in south-western Lapland is now clearly in Sweden.
Hm, I've now moved all the dots very slightly to the east. Now your dot at least touches the border, so if your note was found at the border it should be okay. This change will affect the Portuguese coast as well. Reports from other countries are welcome.
I think the squares are still a bit misplaced, look here
my map
red dot
green dot
So the squares are always a bit too far to the west
Could you move the squares 1 pixel to the right so they match with the small dots/green lines/map?

The square Lissabon is in should be this, that is also more east than the square on the map
so these dots lmviterbo made should make new squares where no notes have been entered yet...?
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Gauss
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Post by Gauss »

lmviterbo wrote:I checked carefully for all borders and I am almost certain that nothing is missing or wrong now, except for those 2 red dots, which should be part of the borders, otherwise notes on Cabo da Roca or Berlengas will fall on the ocean.
This is a special case of the (let's call it) "minor island inaccuracy" which was discussed and decided upon here for the Italian island Lampedusa which is not shown on the map.

It's a catch-2 situation: Either the dot (which marks a bill location) in on that pixel - then the inaccuracy is not visible anyway because the dot would hide the adjusted borer anyway.
Or the dot isn't there, then it is nearly impossible to spot the inaccuracy without greatly zooming into the map. This is done on very occasions and therefore considered not an issue - until maybe, one day, zoomable maps are implemented
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avij
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Re: Dots in maps

Post by avij »

Yippo wrote:I noticed that there are two dots which both have Tornio zip codes in them. Does one line split Tornio?
To answer your question: yes, it may be possible.
androl wrote:Could you move the squares 1 pixel to the right so they match with the small dots/green lines/map?
Sure, unless there are lots of people who feel their dots are already too far to the east? Let me know if some of you object to this proposal.
Last edited by avij on Tue Feb 01, 2005 4:20 pm, edited 1 time in total.
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lmviterbo
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Post by lmviterbo »

androl wrote:
lmviterbo wrote:I checked carefully for all borders and I am almost certain that nothing is missing or wrong now, except for those 2 red dots, which should be part of the borders, otherwise notes on Cabo da Roca or Berlengas will fall on the ocean.
I don't understand, what exactly are these red dots? There aren't any notes entered in the squares where these dots are in. Have you made these by entering coordinates to the map image, just like we made the map?
I entered the coordinates to the EBT's location data, in spite of not having any notes for those. So it's the same principle though not the exact same procedure that you used to redraw the map.
Gauss wrote:
lmviterbo wrote:I am almost certain that nothing is missing or wrong now, except for those 2 red dots, which should be part of the borders, otherwise notes on Cabo da Roca or Berlengas will fall on the ocean.
This is a special case of the (let's call it) "minor island inaccuracy" which was discussed and decided upon here for the Italian island Lampedusa which is not shown on the map.
In fact, Cabo da Roca is on the shore, west of Peniche. It's the most Western point on the European continent.

As to Berlengas, it is a very small archipelago, the whole archipelago encompassing an area about the same size of Lampedusa alone. The biggest island (and the only one where notes could be registered, anyway, since it's where restaurants, rooms to rent, a camping site and a tourism office are) is 2,5 km² only. This is slghtly larger than a pixel, while Lampedusa alone would be a few pixels apart, let alone the whole Peaelagian Islands. The only reason I thought this dot could be added to the map is that it is so near the shore that it would appear like an extension of the border and not some gray pixel(s) on the ocean. In fact, I even displaced the dot a pixel further north, so that the design looks better.
Please do not see this as critiques. The map is VERY good as it is, and if adding those 2 dots is more than a 10-minute task, just disregard this.
androl wrote:
avij wrote:Hm, I've now moved all the dots very slightly to the east. Now your dot at least touches the border, so if your note was found at the border it should be okay. This change will affect the Portuguese coast as well. Reports from other countries are welcome.
The square Lissabon is in should be this, that is also more east than the square on the map
so these dots lmviterbo made should make new squares where no notes have been entered yet...?
Sorry, I didn't get that. Could you please clarify?
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Post by j3paris »

As mentioned about Torino, Paris is also split between two dots now, depending on the arrondissement. I now live at the "crossroads" of four dots, which certainly makes for a colorful new map 8) but there is some geographical distortion that seems to defy logic (perhaps it was always that way, and only is more noticeable now). One example I will point out after looking at the dot map that avij kindly gave us access to is one that I think something needs to be done about given the amount of traffic the place gets...Roissy-en-France (Roissy for short, home of CDG airport). Entered some ways it correctly appears in the dot north of Paris, whereas 95700 Roissy (zip code is correct) bizarrely puts it two dots lower, south of Paris 8O ... it would be pretty funky to get a hit at the same airport with a 50 km distance involved :?
Otherwise, the new pixel resolution is quite good! :D
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Post by lmviterbo »

j3paris wrote:Roissy-en-France (Roissy for short, home of CDG airport). Entered some ways it correctly appears in the dot north of Paris, whereas 95700 Roissy (zip code is correct) bizarrely puts it two dots lower, south of Paris 8O ... it would be pretty funky to get a hit at the same airport with a 50 km distance involved
I understand your concern, but I'm afraid that is precisely the kind of comment that might get the dots map offline. To correct those errors is that task of a small task-force involved in coordinates mapping of towns and zipcodes.

Please read what avij wrote when he gave us that wonderful dots map:
avij wrote:Please note that this information is obtained from tens of thousands of EBT users, so there will be incorrect entries, such as Tampere being in Estonia instead of Finland. That page is not designed to be used for locating incorrect entries from the database. If that page is used for such purposes, the page will be removed. Any other feedback is welcome, just don't bitch about the incorrect city names etc found from the results.
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Post by Ernst »

Yeah my Paris dots also changed. (I used to live in Paris when I started tracking euros in 2002). But I think there always were two dots above each other for Paris (with the border at the height of the 11th arrondissement). Now I can even find three dots, one including 1st to 15th and 20th arrondissement, one dot to the left with the 16th arrondissement, and one dot above with 17th to 19th arrondissement.
That does make sense geographically (I am not complaining Imviterbo :wink:) but still funny. The arc de triomphe e.g. is the "border stone" between the 8th, 17th and 16th arrondissement. If you get three bills at its entrance you can now gain three new dots. That should make it a must for every eurobilltracker visiting Paris! :D
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j3paris
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Post by j3paris »

lmviterbo wrote:
j3paris wrote:Roissy-en-France (Roissy for short, home of CDG airport). Entered some ways it correctly appears in the dot north of Paris, whereas 95700 Roissy (zip code is correct) bizarrely puts it two dots lower, south of Paris 8O ... it would be pretty funky to get a hit at the same airport with a 50 km distance involved
I understand your concern, but I'm afraid that is precisely the kind of comment that might get the dots map offline. To correct those errors is that task of a small task-force involved in coordinates mapping of towns and zipcodes.

Please read what avij wrote when he gave us that wonderful dots map:
avij wrote:Please note that this information is obtained from tens of thousands of EBT users, so there will be incorrect entries, such as Tampere being in Estonia instead of Finland. That page is not designed to be used for locating incorrect entries from the database. If that page is used for such purposes, the page will be removed. Any other feedback is welcome, just don't bitch about the incorrect city names etc found from the results.
I was in full knowledge of avij's statement when I posted; my comments were by no means complaints, just an observation...for information. I thought Roissy should be mentioned because I know a heck of a lot of EBT'ers pass through there. That's all... OK?
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Post by Gauss »

lmviterbo wrote:
j3paris wrote:Roissy-en-France (Roissy for short, home of CDG airport). Entered some ways it correctly appears in the dot north of Paris, whereas 95700 Roissy (zip code is correct) bizarrely puts it two dots lower, south of Paris 8O ... it would be pretty funky to get a hit at the same airport with a 50 km distance involved
I understand your concern, but I'm afraid that is precisely the kind of comment that might get the dots map offline. To correct those errors is that task of a small task-force involved in coordinates mapping of towns and zipcodes.
Indeed, the data regarding 95700 Roissy-en-France in the coordinate-database was not consistent. This should be fixed now.

The dots map is indeed not meant for searching actively such flaws in the coordinate-database - and the server load involved is just one of them - in particular, mismatches between country, city and zip code. The "task force" can address only the two following problems:

A clearly identifiable place (city name, country, and zip code must match) is plotted in the wrong place,
or spelling variants of the same, clearly identifiable place are plotted at different locations.


Observations of such inconsistencies (and only such!) are gratefully received, preferrably at contact@eurobilltracker. Reports of any other kind of mismatch spotted on that dots map, are useless and therefore not desired. Hope this clarifies the situation.
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Post by j3paris »

Thank you, Gauss. My intention was far from bitching, just pointing out a high-traffic area where I'm sure many an EBT'er will pass through and where there was some ambiguity. Now back to turning my attention toward filling in the "blanks" on the map of France :wink: ...and hopefully getting new French users to do so too! (tough work but it's worth it!)

Keep up the good work :D
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Post by androl »

lmviterbo wrote:
androl wrote:
avij wrote:Hm, I've now moved all the dots very slightly to the east. Now your dot at least touches the border, so if your note was found at the border it should be okay. This change will affect the Portuguese coast as well. Reports from other countries are welcome.
The square Lissabon is in should be this, that is also more east than the square on the map
so these dots lmviterbo made should make new squares where no notes have been entered yet...?
Sorry, I didn't get that. Could you please clarify?
if you compare the red square dot on this map with the calculated coordinated on this map and zoom the images or look very exactly at them, you can see that the red square dot is still 1 pixel too far left.

(or these two: 1 2)

The two islands you added are west of my calculated line, so if someone enters a note with coordinates of these islands, there will be a new square dot left of the red one.
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Post by avij »

androl wrote:if you compare the red square dot on this map with the calculated coordinated on this map and zoom the images or look very exactly at them, you can see that the red square dot is still 1 pixel too far left.
I've now moved the dots one pixel to the right, now the dots should be more accurate.
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Post by androl »

I made a map of Germany

edit: added html-code for unicode charset, now the äöüß should work
Last edited by androl on Wed Feb 23, 2005 9:34 am, edited 1 time in total.
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