I think you just solved the problem...I am using US Survey Feet as my coordinate system.
So if this is truely the case and not a coincidence, then I don't have to recalculate to feet because it's already there. I'll try that and see what I get. Thanks for the input! andrew.demerchant wrote: > > It's either a pretty interesting coincidence that 23.529 / 77.196 = > 0.3048, or else it's a units problem you've got (feet vs meters). 1 foot > = 0.3048m..... > > Andrew > > > nclayton wrote: >> Hmmm...something's not lining up right. >> >> Here are my test values: >> >> Start Point >> x1 = 782968.222103 >> y1 = 1774880.116909 >> >> End Point >> x2 = 783044.338 >> y2 = 1774867.244367 >> >> I used this formula in php: >> >> $distance = sqrt(pow($x1 - $x2,2.0) + pow($y1 = $y2,2.0)) >> >> This gave me a value of 77.19671051057 >> >> $srsMap->MeasureEuclideanDistance($x1,$y1,$x2,$y2) gave me >> 23.529604265472 >> >> It looks like I'm using the same formula, but I am getting a dramatically >> different result. >> > > -- > *Andrew DeMerchant* > *Computer Technologist* > ph.1-877-2GEMTEC x.163 > fax 506-453-9470 > > /GEMTEC Limited <http://www.gemtec.ca> > /191 Doak Road > Fredericton, NB, Canada > E3C 2E6 > > > _______________________________________________ > mapguide-users mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/mapguide-users > > -- View this message in context: http://www.nabble.com/Calculating-a-Euclidean-Distance-in-Javascript-tp17348713p17404339.html Sent from the MapGuide Users mailing list archive at Nabble.com. _______________________________________________ mapguide-users mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/mapguide-users
