Here are the examples of the java api class com.google.api.services.vision.v1.model.Vertex taken from open source projects.
1. FaceDetectApp#annotateWithFace()
View license/** * Annotates an image {@code img} with a polygon defined by {@code face}. */ private static void annotateWithFace(BufferedImage img, FaceAnnotation face) { Graphics2D gfx = img.createGraphics(); Polygon poly = new Polygon(); for (Vertex vertex : face.getFdBoundingPoly().getVertices()) { poly.addPoint(vertex.getX(), vertex.getY()); } gfx.setStroke(new BasicStroke(5)); gfx.setColor(new Color(0x00ff00)); gfx.draw(poly); }