unit conversion - Convert Decimal Degrees or Degree Minutes Seconds to Meters in Java -

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i working gis project. right have code convert decimal degrees degree/minute/seconds, don't have idea how convert decimal degree or degree/minutes/seconds meters. can me convert decimal degree or degree/minutes/seconds meters in java?

you question might easy, or complicated. can assume spherical earth? if so, might fine basic arc length formula:

arc length = degrees * pi * r / 180

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