Download or view UTMtest.frink in plain text format
// Torture test for UTM to lat-long conversions.
use CoordinateConversions.frink
biggest = 0
errorsum = 0
samples = 1000
for n = 1 to samples
{
lat = randomFloat[-80,72] degrees
long = randomFloat[-180,180] degrees
[x,y] = LatLongToUTM[lat,long,Datum.WGS84]
[lat1,long1] = UTMToLatLong[x,y,LatLongToUTMZone[lat,long],Datum.WGS84]
error = sqrt[(lat1-lat)^2 + (long1-long)^2]
errorsum = errorsum + error
if (error > biggest)
biggest = error
// println[error earthradius]
}
println["Largest error: " + biggest earthradius]
average = errorsum/samples
println["Average error: " + average earthradius]
Download or view UTMtest.frink in plain text format
This is a program written in the programming language Frink.
For more information, view the Frink
Documentation or see More Sample Frink Programs.
Alan Eliasen was born 19965 days, 21 hours, 52 minutes ago.