Changes for usability: less images, detection.box is deprecated, controls to show points and grid on all detections. Button to take screenshot.

dist/static/assets/images.json

@@ -14,31 +14,11 @@
     "glasses1": "/assets/images/glasses1.png",
     "glasses2": "/assets/images/glasses2.png",
     "glasses3": "/assets/images/glasses3.png",
-    "glasses4": "/assets/images/glasses4.png",
     "hat1": "/assets/images/hat1.png",
     "hat2": "/assets/images/hat2.png",
-    "hat3": "/assets/images/hat3.png",
-    "hat4": "/assets/images/hat4.png",
-    "hat5": "/assets/images/hat5.png",
-    "hat6": "/assets/images/hat6.png",
     "mustache1": "/assets/images/mustache1.png",
-    "mustache10": "/assets/images/mustache10.png",
-    "mustache11": "/assets/images/mustache11.png",
-    "mustache12": "/assets/images/mustache12.png",
-    "mustache13": "/assets/images/mustache13.png",
-    "mustache14": "/assets/images/mustache14.png",
-    "mustache15": "/assets/images/mustache15.png",
-    "mustache16": "/assets/images/mustache16.png",
-    "mustache17": "/assets/images/mustache17.png",
-    "mustache18": "/assets/images/mustache18.png",
-    "mustache19": "/assets/images/mustache19.png",
     "mustache2": "/assets/images/mustache2.png",
-    "mustache20": "/assets/images/mustache20.png",
     "mustache3": "/assets/images/mustache3.png",
     "mustache4": "/assets/images/mustache4.png",
     "mustache5": "/assets/images/mustache5.png",
-    "mustache6": "/assets/images/mustache6.png",
-    "mustache7": "/assets/images/mustache7.png",
-    "mustache8": "/assets/images/mustache8.png",
-    "mustache9": "/assets/images/mustache9.png"
 }

dist/static/assets/webcam.js

@@ -18,6 +18,12 @@ var draw = function () {
         rotate(transformed.angle);
 
         try {
+            if( overlayGrid ) {
+                drawGridOverlay(transformed)
+            }
+            if( overlayLandmarks ) {
+                drawLandmarkOverlay(transformed);
+            }
             drawMask(transformed);
         } catch (error) {
             console.error(error);
@@ -27,6 +33,51 @@ var draw = function () {
     }
 };
 
+function drawLandmarkOverlay(detection) {
+    for(let nr in detection.points) {
+      p = detection.points[nr]
+      stroke('red') 
+      strokeWeight(5)
+      point(p.x, p.y)
+      
+      noStroke();
+      textSize(12);
+      fill('white');
+      
+      text(nr, p.x, p.y);
+    }
+}
+
+
+function drawGridOverlay(detection) {
+    textSize(20)
+    stroke(100,100,100)
+
+    strokeWeight(1)
+    for (let y = 0; y < detection.height; y+=10) {
+        if(y%100 === 0) {
+            strokeWeight(3)
+            text(y, detection.x - 10, y);
+        } else {
+            strokeWeight(1)
+        }
+        line(detection.x, detection.y + y, detection.x+detection.width, detection.y + y);
+        
+    }
+
+    for (let x = 0; x < detection.width; x+=10) {
+        if(x != 0 && x%100 === 0) { // 0 already drawn for y
+            strokeWeight(3)
+            text(x, x, detection.y - 10);
+        } else {
+            strokeWeight(1)
+        }
+
+        line(detection.x + x, detection.y, detection.x + x, detection.y + detection.height);
+    }
+}
+
+
 var drawMask = function(detection) {
 
 };
@@ -140,6 +191,9 @@ function preload() {
     // console.log(images);
 }
 
+var overlayLandmarks = false;
+var overlayGrid = false;
+
 function setup() {
     // createCanvas(1280,720, WEBGL);
     createCanvas(540,420);
@@ -170,6 +224,46 @@ function setup() {
     textAlign(RIGHT);
 
     setupAssets();
+
+    let controlEl = document.createElement('div');
+    controlEl.classList.add('controls');
+    let label1El = document.createElement('label');
+    let check1El = document.createElement('input');
+    check1El.type = 'checkbox';
+    check1El.addEventListener('change', (e) => overlayLandmarks = e.target.checked);
+    let text1Node = document.createTextNode("Show points")
+    label1El.appendChild(check1El);
+    label1El.appendChild(text1Node);
+    controlEl.appendChild(label1El);
+    
+    let label2El = document.createElement('label');
+    let check2El = document.createElement('input');
+    check2El.type = 'checkbox';
+    check2El.addEventListener('change', (e) => overlayGrid = e.target.checked);
+    let text2Node = document.createTextNode("Show coordinates")
+    label2El.appendChild(check2El);
+    label2El.appendChild(text2Node);
+    controlEl.appendChild(label2El);
+
+
+    let downloadBtn = document.createElement('button');
+    downloadBtn.innerHTML = 'screenshot';
+    downloadBtn.style.float = 'right';
+    // Convert canvas to image
+    downloadBtn.addEventListener("click", function(e) {
+        const canvas = document.querySelector('canvas');
+        const dataURL = canvas.toDataURL("image/png", 1.0);
+
+        let a = document.createElement('a');
+        a.href = dataURL;
+        a.download = 'screenshot.png';
+        document.body.appendChild(a);
+        a.click();
+    });
+
+    controlEl.appendChild(downloadBtn);
+
+    document.body.appendChild(controlEl);
 }
 
 function modelReady() {
@@ -282,20 +376,20 @@ function faceDistance(face1, face2){
     // distance between faces, in pixels, not meters.. for now
     // we cheat a little: take centers, visualise circle with r = max(width, height)
     // and find distance between these circles
-    box1 = (face1.box.x, face1.box.x + face1.box.width)
+    box1 = (face1.x, face1.x + face1.width)
-    box2 = (face2.box.x, face2.box.x + face2.box.width)
+    box2 = (face2.x, face2.x + face2.width)
 
     c1 = {
-        x: face1.box.x + face1.box.width / 2,
+        x: face1.x + face1.width / 2,
-        y: face1.box.y + face1.box.height / 2,
+        y: face1.y + face1.height / 2,
     }
     c2 = {
-        x: face2.box.x + face2.box.width / 2,
+        x: face2.x + face2.width / 2,
-        y: face2.box.y + face2.box.height / 2,
+        y: face2.y + face2.height / 2,
     }
 
-    r1 = Math.max(face1.box.width, face1.box.height) / 2;
+    r1 = Math.max(face1.width, face1.height) / 2;
-    r2 = Math.max(face2.box.width, face2.box.height) / 2;
+    r2 = Math.max(face2.width, face2.height) / 2;
 
     dx = c1.x - c2.x;
     dy = c1.y - c2.y;
@@ -346,19 +440,17 @@ function parseDetectionResults(results) {
             'points': landmarks,
             // TODO: rotation
             'parts': {},
-            'box': {
             x: result.alignedRect._box._x * factor_x,
             y: result.alignedRect._box._y * factor_y,
             width: result.alignedRect._box._width * factor_x,
             height: result.alignedRect._box._height * factor_y,
-            },
         }
         for(let idx in result.parts) {
             detection.parts[idx] = result.parts[idx].map((pos) => parseCoordinate(pos));
         }
         detection['center'] = {
-            x: detection.box.x + detection.box.width / 2,
+            x: detection.x + detection.width / 2,
-            y: detection.box.y + detection.box.height / 2,
+            y: detection.y + detection.height / 2,
         }
         detections.push(detection);
     }
@@ -382,12 +474,14 @@ function transformDetection(original) {
 
     let b = original.points[36]; // outer point on left eye
     let a = original.points[45]; // outer point on right eye
-    
-    let cx =a.x/2 + b.x/2 
-    let cy = a.y/2 + b.y/2
-
     let angle = atan2(a.y - b.y, a.x - b.x);
     
+    // let cx =a.x/2 + b.x/2 
+    // let cy = a.y/2 + b.y/2
+
+    let cx = original.x
+    let cy = original.y
+
     let detection = {
         'points': original.points.map(p => transformPoint(p, cx, cy, angle)),
         'origin': {x:cx, y:cy},
@@ -399,12 +493,15 @@ function transformDetection(original) {
     padding_x = bbox.width * .1;
     padding_y = bbox.height * .1;
 
-    detection['box'] = {
+    detection['x'] = bbox.x - padding_x,
-        x: bbox.x - padding_x,
+    detection['y'] = bbox.y - padding_y,
-        y: bbox.y - padding_y,
+    detection['width'] = bbox.width * 1.2,
-        width: bbox.width * 1.2,
+    detection['height'] = bbox.height * 1.2
-        height: bbox.height * 1.2
+
-    }
+    // detection['x'] = original.x - cx
+    // detection['y'] =  original.y - cy
+    // detection['width'] = original.width
+    // detection['height'] = original.height
 
     return detection;    
 }

doc/cheatsheet.md

@@ -10,45 +10,25 @@ classoption:
 
 ![](dlib_face_points.png)
 
-
 detection.points
-: Alle bovenstaande punten. Ieder punt bestaat uit `x` en `y`. Bijvoorbeeld `detection.points[33].x` is het x-coördinaat van het puntje van de neus.
+: Alle bovenstaande punten. Ieder punt bestaat uit een `x` en een `y` coördinaat. Bijvoorbeeld `detection.points[33].x` is het x-coördinaat van het puntje van de neus.
+: `x` is de afstand vanaf links. De horizontale positie.
+: `y` is de afstand vanaf boven. De verticale positie.
 
-detection.parts.nose
+detection.x
-: punten 27--35
+: x coordinaat van de bounding box van het gezicht. Dit is het punt linkboven.
 
-detection.parts.leftEye
+detection.y
-: punten 36--41
+: y coordinaat van de bounding box van het gezicht. Dit is het punt linkboven.
 
-detection.parts.rightEye
+detection.width
-: punten 42--47
+: Breedte van de bounding box van het gezicht.
 
-detection.parts.rightEyeBrow
+detection.height
-: punten 22--26
+: Hoogte van de bounding box van het gezicht.
 
-detection.parts.leftEyeBrow
+<!-- detection.center.x  & detection.center.y
-: punten 17--21
+: Het midden van de bounding box -->
-
-detection.parts.jawOutline
-: punten 0--16
-
-detection.box
-: de 'bounding box' van het gezicht.
-
-detection.box.x
-: x coordinaat van de bounding box.
-
-detection.box.y
-: y coordinaat van de bounding box.
-
-detection.box.width
-: Breedte van de bounding box
-
-detection.box.height
-: Hoogte van de bounding box
-
-detection.center.x  & detection.center.y
-: Het midden van de bounding box
 
 
 
@@ -71,25 +51,26 @@ circle(cx, cy, radius)
 : Upload een afbeelding, waarna je hem kunt inladen met loadImage(...) -->
 
 image(naam, x, y, breedte, hoogte)
-: Toon een ingeladen afbeelding. _x_ en _y_ bepalen de linker bovenhoek.
+: Toon een ingeladen afbeelding. _x_ en _y_ bepalen waar de linker bovenhoek wordt geplaatst.
 : Zie hieronder voor alle beschikbare afbeeldingen
 
 getBoundingBox(punten)
 :  Bepaald het rechthoek waarbinnen de punten vallen.
 
+<!-- 
 mergePoints(punten, anderePunten)
-: Voeg meerdere sets van punten samen. Bijvoorbeeld `mergePoints( detection.parts.rightEyeBrow, detection.parts.leftEyeBrow )`
+: Voeg meerdere sets van punten samen. Bijvoorbeeld `mergePoints( detection.parts.rightEyeBrow, detection.parts.leftEyeBrow )` -->
 
 ## Opmaak
 
 fill(kleur)
-: de kleur van de vulling
+: de kleur van de vulling van wat je gaat tekenen.
 
 noFill()
 : geen vulling
 
 stroke(kleur)
-: de omlijning
+: de kleur van de omlijning.
 
 strokeWeight(dikte)
 : de dikte van de omlijning
@@ -116,8 +97,11 @@ https://genekogan.com/code/p5js-transformations/
 
 
 
-## afbeeldingen
+## Afbeeldingen
 
+Deze afbeeldingen kun je gebruiken met `image()`.
+
+Bijvoorbeeld: `image(images.game1, 10, 10, 50, 50)` tekent het plaatje `images.game1`, waarbij de linker bovenhoek 10 pixels van links en 10 pixels vanaf rechts wordt geplaatst. En het plaatje 50 bij 50 pixels is.
 
 images.game1 
 ![](../dist/static/assets/images/game1.png)
@@ -164,66 +148,15 @@ images.glasses2
 images.glasses3 
 ![](../dist/static/assets/images/glasses3.png)
 
-images.glasses4 
-![](../dist/static/assets/images/glasses4.png)
-
 images.hat1 
 ![](../dist/static/assets/images/hat1.png)
 
 images.hat2 
 ![](../dist/static/assets/images/hat2.png)
 
-images.hat3 
-![](../dist/static/assets/images/hat3.png)
-
-images.hat4 
-![](../dist/static/assets/images/hat4.png)
-
-images.hat5 
-![](../dist/static/assets/images/hat5.png)
-
-images.hat6 
-![](../dist/static/assets/images/hat6.png)
-
 images.mustache1 
 ![](../dist/static/assets/images/mustache1.png)
 
-images.mustache10 
-![](../dist/static/assets/images/mustache10.png)
-
-images.mustache11 
-![](../dist/static/assets/images/mustache11.png)
-
-images.mustache12 
-![](../dist/static/assets/images/mustache12.png)
-
-images.mustache13 
-![](../dist/static/assets/images/mustache13.png)
-
-images.mustache14 
-![](../dist/static/assets/images/mustache14.png)
-
-images.mustache15 
-![](../dist/static/assets/images/mustache15.png)
-
-images.mustache16 
-![](../dist/static/assets/images/mustache16.png)
-
-images.mustache17 
-![](../dist/static/assets/images/mustache17.png)
-
-images.mustache18 
-![](../dist/static/assets/images/mustache18.png)
-
-images.mustache19 
-![](../dist/static/assets/images/mustache19.png)
-
-images.mustache2 
-![](../dist/static/assets/images/mustache2.png)
-
-images.mustache20 
-![](../dist/static/assets/images/mustache20.png)
-
 images.mustache3 
 ![](../dist/static/assets/images/mustache3.png)
 
@@ -232,16 +165,3 @@ images.mustache4
 
 images.mustache5 
 ![](../dist/static/assets/images/mustache5.png)
-
-images.mustache6 
-![](../dist/static/assets/images/mustache6.png)
-
-images.mustache7 
-![](../dist/static/assets/images/mustache7.png)
-
-images.mustache8 
-![](../dist/static/assets/images/mustache8.png)
-
-images.mustache9 
-![](../dist/static/assets/images/mustache9.png)
-