simplify method
Implementation
List<Coordinate> simplify() {
VWVertex vwLine = VWVertex.buildLine(pts);
double minArea = tolerance;
do {
minArea = simplifyVertex(vwLine);
} while (minArea < tolerance);
List<Coordinate> simp = vwLine.getCoordinates();
if (simp.length < 2) {
List<Coordinate> list = [simp[0], Coordinate.fromCoordinate(simp[0])];
return list;
}
return simp;
}