multi colour parameters done. added runonly script (no compile)

run.sh

-make -j7 && make RunRelease
+make -j8 && make RunRelease
+

runonly.sh

+make RunRelease

src/ofApp.cpp

@@ -4,46 +4,71 @@ using namespace ofxCv;
 using namespace cv;
 
 void ofApp::setup() {
-    int wwidth = 640;
-    int wheight = 480;
-    ofSetWindowShape(wwidth, wheight);
-
-    cam.setup(640, 480);
-    contourFinder.setMinAreaRadius(10);
-    contourFinder.setMaxAreaRadius(150);
-    //contourFinder.setInvert(true); // find black instead of white
-    
-    gui.setup();
-    gui.add(threshold.set("Threshold", 128, 0, 255));
-    gui.add(trackHs.set("Track Hue/Saturation", false));
+  // camera and window setup
+  int wwidth = 1920;
+  int wheight = 1080;
+  ofSetWindowShape(wwidth, wheight);
+  cam.setup(640, 480);
+  //contourFinder.setInvert(true); // find black instead of white
+  // initialise gui
+  gui.setup();
+  // Initialise gui and parameters
+  for(int i = 0; i < num_colours; i++){
+    ofParameter<float> t;
+    ofParameter<bool> b;
+    ofParameter<bool> cc;
+    ofxCv::ContourFinder cf;
+    thresholds.push_back(t);
+    trackHues.push_back(b);
+    changeColours.push_back(cc);
+    contourFinders.push_back(cf);
+    targetColours.push_back(ofColor(0,0,0));
+    gui.add(thresholds[i].set("Threshold " + to_string(i), 128,0,255));
+    gui.add(trackHues[i].set("Track Hue/Sat colour "+to_string(i), false));
+    gui.add(changeColours[i].set("Change colour "+to_string(i), false));
+  }
 }
 
 void ofApp::update() {
     cam.update();
     if(cam.isFrameNew()) {
-        contourFinder.setTargetColor(targetColor, trackHs ? TRACK_COLOR_HS : TRACK_COLOR_RGB);
-        contourFinder.setThreshold(threshold);
-        contourFinder.findContours(cam);
+      // Loop for number of colours and track target colours
+      for(int i = 0; i < num_colours; i++){
+        contourFinders[i].setTargetColor(targetColours[i], trackHues[i] ? TRACK_COLOR_HS : TRACK_COLOR_RGB);
+        contourFinders[i].setThreshold(thresholds[i]);
+        contourFinders[i].findContours(cam);
+      }
     }
 }
 
 void ofApp::draw() {
     ofSetColor(255);
+    // Draw camera
     cam.draw(0, 0);
-    
     ofSetLineWidth(2);
-    contourFinder.draw();
-    
+    // Draw gui
+    ofPushMatrix();
     gui.draw();
-    
-    ofTranslate(8, 75);
-    ofFill();
-    ofSetColor(0);
-    ofDrawRectangle(-3, -3, 64+6, 64+6);
-    ofSetColor(targetColor);
-    ofDrawRectangle(0, 0, 64, 64);
+    // Draw contours found
+    for(int i=0; i < num_colours; i ++)
+      contourFinders[i].draw();
+    // Draw colours tracking
+    ofPushMatrix();
+    ofTranslate(700,10);
+    for(int i=0; i < num_colours; i ++){
+      ofTranslate(0, 75);
+      ofFill();
+      ofSetColor(0);
+      ofDrawRectangle(-3, -3, 64+6, 64+6);
+      ofSetColor(targetColours[i]);
+      ofDrawRectangle(0, 0, 64, 64);
+    }
+    ofPopMatrix();
+    //cout << targetColours.size() << endl;
 }
 
 void ofApp::mousePressed(int x, int y, int button) {
-    targetColor = cam.getPixels().getColor(x, y);
+    for(int i = 0; i < num_colours; i++) {
+      if(changeColours[i]==true) targetColours[i]=cam.getPixels().getColor(x, y);
+    }
 }

src/ofApp.h

@@ -10,12 +10,21 @@ public:
     void update();
     void draw();
     void mousePressed(int x, int y, int button);
-    
     ofVideoGrabber cam;
-    ofxCv::ContourFinder contourFinder;
-    ofColor targetColor;
-    
+    ofxCv::ContourFinder contourFinder1;
+    ofxCv::ContourFinder contourFinder2;
+    ofColor targetColor1;
+    ofColor targetColor2;
     ofxPanel gui;
-    ofParameter<float> threshold;
-    ofParameter<bool> trackHs;
+    ofParameter<float> threshold1;
+    ofParameter<float> threshold2;
+    ofParameter<bool> trackHs1;
+    ofParameter<bool> trackHs2;
+
+  vector<ofColor> targetColours;
+  vector<ofParameter<float>> thresholds;
+  vector<ofParameter<bool>> trackHues;
+  vector<ofParameter<bool>> changeColours;
+  vector<ofxCv::ContourFinder> contourFinders;
+  int num_colours = 5;
 };