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  2. To convert those points to meters in two coordinates: I can setup a system of coordinates in meters with the first point being at the origin: [0,0] meters. Then I can define the coordinate x-axis as due East-West, and the y-axis as due North-South. Then the second point's coordinates are:

  3. SQL Server geometry distance in miles calculation?

    stackoverflow.com/questions/31922039

    The return value from STDistance is in degrees, but I need miles. Also, imagine doing this kind of calculation not on 2 variables, but on geometry columns in a table with 1000's of rows. Also, imagine doing this kind of calculation not on 2 variables, but on geometry columns in a table with 1000's of rows.

  4. All these solutions work OK for very long distances, but won't work when you need accurate distances of points of only a few meters apart. Te root of the problem there is that for short distances (lat2 - lat1) and (lon2 - lon1) both resolve to 0 even with long-double floating point values.

  5. The distance between each degree of latitude is about 69 miles (110 kilometers). The distance between longitudes narrows the further away from the equator. The distance between longitudes at the equator is the same as latitude, roughly 69 miles (110 kilometers) . At 45 degrees north or south, the distance between is about 49 miles (79 kilometers).

  6. The actual distance is about 20 miles but this computation is giving me a number that is thousands of times greater than 20 miles. Is .STDistance returning meters instead of miles? On a related note: can anyone point me to an example on the web where one matches thousands of geographical points in a table with the nearest geographical points in ...

  7. ")) # Convert factor conv_fac = 0.000621371 # calculate miles miles = meters * conv_fac print("%0.3f meters is equal to %0.3f miles" %(meters, miles)) So my question is how proceed to continue to convert to feet and inches if this is correct to convert to miles. Do I need to convert those miles that I entered to feet?

  8. Converting units in R - Stack Overflow

    stackoverflow.com/questions/7214781

    I would like to convert from imperial units to metric and vice versa in R. How do I go about doing that? If there is no current way of doing that, how can I create a package that would?

  9. I want to convert meters to miles in JavaScript. For example 12700 meters is 7.8867 miles. What formula can I use to do the conversion?

  10. Im working on a simple "as the crow flies" distance calculator in Google Maps and im stuck trying to convert the returned distance between two points into miles.

  11. struct Feet { unsigned int value; }; class Miles; class Meters; Feet Convert_From(const Meters& m); Meters Convert_From(const Miles& mi); The compiler will choose the appropriate conversion function based on the variable type. Edit 1: Constructors You could also use constructors for the conversion: