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What kind of coordinates are these?
This is a discussion on What kind of coordinates are these? within the MapPoint 2006/2009 Discussion forums, part of the Map Forums category; Hi. I'm working with data from St. Albert in Alberta, Canada, located at 53°38'10.24"N and 113°35'20.66"W. Here is a sample ...
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03-27-2008
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| What kind of coordinates are these? Here is a sample of the data: Location Coordinate X: 25463 Location Coordinate Y: 5942447 Location Coordinate X: 24558.6 Location Coordinate Y: 5944277 What format is this data? And is there a simple way to convert it to lat long? Thanks, Jim         |
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03-28-2008
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| Re: What kind of coordinates are these?
That data style is consistent with the UTM (Universal Transverse Mercator) format, which I am not all together very familiar with What I can tell you, roughly, is that your 'Y' coordinate is your distance from the equator in meters, and your x coordinate is the rough distance from the AB/SK border |
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03-28-2008
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| Re: What kind of coordinates are these?
UTM would also include a zone... do you see a zone mentioned anyway with your data? Eric
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03-28-2008
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| Re: What kind of coordinates are these?
The first thing you should do is ask the format of the data source, this will probably get you some helpful information, such as what the numbers mean and where 0,0 is. If if as I presumed in the first post, the conversion is not too difficult. The Lat-Longs here will all be in decimal degree format Lat = (zero point lat) + y / 111111 Long = (zero point long) + x /(111111 * cos(lat)) For the coordinates you supplied the 111111 * cos(Lat) is approximately 65878.911 But, I could be completely off base here on my theory... This is why there are standards out there. |
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03-28-2008
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| Re: What kind of coordinates are these?
Hmm, though I'm not sure we answered the question about what kind of coordinates those are.. please let us know how it goes. Eric
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