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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. --
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