initCorners method
Implementation
void initCorners(Coordinate pt) {
double tolerance = 0.5;
minx = pt.x - tolerance;
maxx = pt.x + tolerance;
miny = pt.y - tolerance;
maxy = pt.y + tolerance;
corner.add(new Coordinate(maxx, maxy));
corner.add(new Coordinate(minx, maxy));
corner.add(new Coordinate(minx, miny));
corner.add(new Coordinate(maxx, miny));
// corner[0] = new Coordinate(maxx, maxy);
// corner[1] = new Coordinate(minx, maxy);
// corner[2] = new Coordinate(minx, miny);
// corner[3] = new Coordinate(maxx, miny);
}