Distance calculation changed?
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- googlejaps
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Distance calculation changed?
I noticed that the distance of several hits I got is changed since last week. Is this because the locations of some zipcodes is changed or are there changes in the way the distance is calculated?
Re: Distance calculation changed?
Speaking about Italy, 3 weeks ago Italian post decide to make an update.
Smaller cities had a unique zip code (xx100) and now they has been divided in 2 or more zip codes (xx12y).
For example: Ferrara post codes was 44100 and now it's been divided in 4 post codes (44121, 44122, 44123, 44124).
I guess each year there will be such update for a number of locations till all smaller Italian cities will have post codes based on new subdivision.
So i'm entering new coords based on newest zip codes because old coords pointed to the city center.
Smaller cities had a unique zip code (xx100) and now they has been divided in 2 or more zip codes (xx12y).
For example: Ferrara post codes was 44100 and now it's been divided in 4 post codes (44121, 44122, 44123, 44124).
I guess each year there will be such update for a number of locations till all smaller Italian cities will have post codes based on new subdivision.
So i'm entering new coords based on newest zip codes because old coords pointed to the city center.
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Re: Distance calculation changed?
Hey ravestorm, was the change before or afther the second day of the WEBTM in Ferrara? Otherwise, I (and others of course) may have to change our entries!
Re: Distance calculation changed?
On Poste Italiane website i found they are valid from 27.03.2009 (so from the day before W-EBTM) but you can use the old one together with the newest one for six monthsCrazy Bob wrote:Hey ravestorm, was the change before or afther the second day of the WEBTM in Ferrara? Otherwise, I (and others of course) may have to change our entries!
«Io dormirò tranquillo perché so che il mio peggior nemico veglia su di me.»
PLEASE, DON'T FEED THE TROLLS!!!
Il 19.09.2013 ho scritto: Comicerò a cambiare atteggiamento da ora in poi, quindi che il forum non si lamenti se da ora in avanti verranno prese misure drastiche.
- Biondo - Il buono, il brutto, il cattivo
PLEASE, DON'T FEED THE TROLLS!!!
Il 19.09.2013 ho scritto: Comicerò a cambiare atteggiamento da ora in poi, quindi che il forum non si lamenti se da ora in avanti verranno prese misure drastiche.
- lmviterbo
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Re: Distance calculation changed?
I entered all the notes I got in Italy with the new postcodes, of course. I had no idea they were SO new!
Googlejaps, when some place gets "more important" (for instance because of a hit or a large number of notes) and the plotters for some reason are aware of that, we try to pinpoint the locations to more accurate geocoords according to the specific zipcodes. That's what ravestorm is doing in Italy, what we do in Portugal and I guess it's what every plotter does.
Googlejaps, when some place gets "more important" (for instance because of a hit or a large number of notes) and the plotters for some reason are aware of that, we try to pinpoint the locations to more accurate geocoords according to the specific zipcodes. That's what ravestorm is doing in Italy, what we do in Portugal and I guess it's what every plotter does.
Re: Distance calculation changed?
Maybe this is the right place for my question:
I did a hit with cramar in July: http://it.eurobilltracker.com/notes/?id=64113380" onclick="window.open(this.href);return false; : 54 km according ebt.
cramar did a hit in april 2007: http://it.eurobilltracker.com/notes/?id=26533712" onclick="window.open(this.href);return false; with the same cities involved (Udine and Paluzza, so same travel): 76 km according ebt.
What's happened? Paluzza and Udine are little towns with only one zip code each.
Did Udine or Paluzza move 20 km in two years?
Steevec
I did a hit with cramar in July: http://it.eurobilltracker.com/notes/?id=64113380" onclick="window.open(this.href);return false; : 54 km according ebt.
cramar did a hit in april 2007: http://it.eurobilltracker.com/notes/?id=26533712" onclick="window.open(this.href);return false; with the same cities involved (Udine and Paluzza, so same travel): 76 km according ebt.
What's happened? Paluzza and Udine are little towns with only one zip code each.
Did Udine or Paluzza move 20 km in two years?
Steevec
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Re: Distance calculation changed?
You might have given the answer to your question, looking at the hits there are 2 zip-codes used in Udine, 33100 and 33050.steevec wrote: What's happened? Paluzza and Udine are little towns with only one zip code each.
- klapotec
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Re: Distance calculation changed?
And that also explains the rather large distance discrepancy - the postal code for Udine (the city) is 33100, but the profile subsumes some other postal codes which presumably are towns in the Udine province, not Udine itself - if people can't enter locations correctly (33050 should probably be Bagnaria Arsa), then this is the result.googlejaps wrote:You might have given the answer to your question, looking at the hits there are 2 zip-codes used in Udine, 33100 and 33050.steevec wrote: What's happened? Paluzza and Udine are little towns with only one zip code each.
Re: Distance calculation changed?
Thanks for your answers. Now I understand why there is a distance difference.
The distance is calculated according the zip code, not the location name.
So, there is something wrong in the zip code (33050) or in the location name (Udine): only stambec92 can clarify, but he's no more active.
bye
Steevec
The distance is calculated according the zip code, not the location name.
So, there is something wrong in the zip code (33050) or in the location name (Udine): only stambec92 can clarify, but he's no more active.
bye
Steevec