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Is it possible to change the UTM zone manually? When I place the lat and long coordinates the easterly UTM conversion is exactly on the map at the point I'm trying to read however the northerly is completely off map. Thanks, Narelle. I think you interface would be better if you put easting beneath longitude and northing beneath latitude. UTM Easting.

UTM Northing. UTM Zone. Nayum U can check awsm converter where u can do both. Mahmuda Khatun This tool is really helpful, I do my work very easily. Thank You. Dan After trying to figure out why things weren't agreeing my GOM maps, I realized you were outputting distances in meters. Derek This tool is really helpful, thanks! Brenda How to enter a west long. AHMED ELEMAM UTM Universal Transverse Mercator coordinate system is basically geographical latitude longitude system that is expressed in two-dimensional projection of the surface of earth where the earth map is divided into 60 zones, with each of them separated by 6 degrees in longitude and the locations are expressed in terms of so called easting and northing, i.

Easting: the x coordinate Northing: the y coordinate Guest Sorry to say but Calgary seems to be wrong at Thank you for your time 4. Craig You have to make sure to click on the map around Calgary, that will put the grid zone in 11u. Guest Very useful for geo-infomatics. Great job! Learn more. Ask Question. Asked 10 years, 4 months ago. Active 4 years, 11 months ago. Viewed k times.

Improve this question. Martin F 8, 31 31 silver badges 56 56 bronze badges. Latitude is the Y axis, longitude is the X axis. Hence the four combinations of positive and negative are possible depending upon where you are located on the globe.

You will appreciate an earlier thread that discusses this question more generally: gis. See also gis. Surely the mathematical x,y axes are at right angles to each other. On a non-Euclidean surface, as you point out, this cannot be the case. Begin at a given point on the surface, and rotate that point independently around two perpendicular axes of rotation. This yields a pair of "axes". Along one axis, x is zero.

Along the other axis, y is zero. Add a comment. Active Oldest Votes. Improve this answer. Benjamin Benjamin 1 1 gold badge 6 6 silver badges 2 2 bronze badges. This is confusing: by definition, "horizontal" means level : such lines extend from side to side, not up and down.

Horizontal lines are lines of constant latitude; latitude varies in a vertical direction: your description could be read as just the reverse. You might find the historical reason for these terms to be of interest. Whereas, the Z-value represents the vertical position. Geographic coordinate systems use an ellipsoid to approximate all locations on the surface of the earth. Whereas, the datum defines the surface. A horizontal datum has a major axis, which is the longest diameter of an ellipse.

Also, it has a minor axis, which is the shortest diameter of an ellipse. Finally, a horizontal datum has a radius that represents the position of the surface relative to the center of the earth. A reference ellipsoid is the mathematical model of the shape of the Earth with the major axis along the equatorial radius.

A geographic coordinate system uses longitude and latitude expressed in decimal degrees. Before , NAD27 was the most common datum. Cartographers write spherical coordinates latitudes and longitudes in degrees-minutes-seconds DMS and decimal degrees. For degrees-minutes-seconds, minutes range from 0 to For example, the geographic coordinate expressed in degrees-minutes-seconds for New York City is:.

You can also express geographic coordinates in decimal degrees. For example, here is New York City in decimal degrees:. The Federal Communications Commission has a DMS-Decimal converter tool that converts latitude and longitude between decimal degrees and degrees, minutes, and seconds. Also, you can express coordinates in different ways. For example, you can use decimal degrees or degrees-minutes-seconds. Thanks to our geographic coordinate, you can pinpoint any point on Earth such as GPS receivers.

And this includes the spot you are reading this article right now. I would plug the latitude and longitude values in, and see where they land. You would need at the very least 3 coordinates. Then, convert point to polygon and calculate area. All can be done in QGIS. Ha, Hallo!



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