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FixedPointCoordinate uses slopes to calculate angles, which is imprecise #1329

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FixedPointCoordinate uses slopes to calculate angles, which is imprecise#1329
@DennisOSRM

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@DennisOSRM
DennisOSRM
opened on Jan 2, 2015

prefer using vector math and then play with the unit vector (-(y2-y1)/sqrt(y1_y1+y2_y2), (x2-x1)/sqrt(x2_x2+x1_x1))

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