MKPolygon area calculation

Question

I\'m trying to make an area calculation category for MKPolygon. I found some JS code https://github.com/mapbox/geojson-area/blob/master/index.js#L1 with a link to the algori

Answer 1

This may help to someone... You need to pass the shape edge points into below method and it returns the correct area of a polygon

static double areaOfCurveWithPoints(const NSArray *shapeEdgePoints) {

    CGPoint initialPoint = [shapeEdgePoints.firstObject CGPointValue];

    CGMutablePathRef cgPath = CGPathCreateMutable();
    CGPathMoveToPoint(cgPath, &CGAffineTransformIdentity, initialPoint.x, initialPoint.y);

    for (int i = 1;i