Calibrate works?

lib/opencv_processing/examples/FindContours/FindContours.pde

@@ -0,0 +1,42 @@
+import gab.opencv.*;
+
+PImage src, dst;
+OpenCV opencv;
+
+ArrayList<Contour> contours;
+ArrayList<Contour> polygons;
+
+void setup() {
+  src = loadImage("test.jpg"); 
+  size(src.width, src.height/2);
+  opencv = new OpenCV(this, src);
+
+  opencv.gray();
+  opencv.threshold(70);
+  dst = opencv.getOutput();
+
+  contours = opencv.findContours();
+  println("found " + contours.size() + " contours");
+}
+
+void draw() {
+  scale(0.5);
+  image(src, 0, 0);
+  image(dst, src.width, 0);
+
+  noFill();
+  strokeWeight(3);
+  
+  for (Contour contour : contours) {
+    stroke(0, 255, 0);
+    contour.draw();
+    
+    stroke(255, 0, 0);
+    beginShape();
+    for (PVector point : contour.getPolygonApproximation().getPoints()) {
+      vertex(point.x, point.y);
+    }
+    endShape();
+  }
+}
+