thresholding

1 files changed, 50 insertions, 5 deletions

diff --git a/drawing/src/ofApp.cpp b/drawing/src/ofApp.cpp
index 91daee1..8928df6 100644
--- a/drawing/src/ofApp.cpp
+++ b/drawing/src/ofApp.cpp
@@ -53,6 +53,12 @@ void ofApp::setup(){
 	mode=0;
     
 	ofSetFrameRate(30); 
+
+	movie.load("clouds_flythrough.mp4");
+	movie.setLoopState(OF_LOOP_NORMAL);
+	movie.play();
+
+	threshold=128;
 }
 
 //--------------------------------------------------------------
@@ -61,6 +67,8 @@ void ofApp::update(){
 	clipper.Clear();
 	
 	clipper.addPolylines(mask, ClipperLib::ptClip);
+
+	
 }
 
 ofPolyline ofApp::polyLineTransform(const ofPolyline& poly, ofMatrix4x4 xform){
@@ -83,6 +91,8 @@ void ofApp::draw(){
 
 	float phase=fmod(ofGetElapsedTimef()/2,1);
 
+	//movie.draw(0,0,ofGetWidth(),ofGetHeight());
+
 	//transform points of segmenter before intersecting with mask
 
 	switch (mode){
@@ -163,7 +173,12 @@ void ofApp::draw(){
 			break;
 		}
 		case 5:{
-			vector<ofPolyline> clipped = clipper.getOffsets(maskpaths,(phase*20)+1,true);
+			//the N only fucks up when the other shapes are drawn!
+			vector<ofPolyline> clipped;
+			for (auto & maskpath:maskpaths){
+				auto clips=clipper.getOffsets(maskpath,-((phase*20)+1),true);
+				clipped.insert(clipped.end(),clips.begin(),clips.end());
+			}
 			
 			vector<ofPolyline> simplified = clipper.simplifyPolylines(clipped);
 
@@ -177,11 +192,12 @@ void ofApp::draw(){
 		        pointsdrawn+=clip.size();
 		    }
 
+/*
 		   	float phase1=fmod(phase+0.5f,1.0f);
 
 		   	clipped.clear();
 
-		    clipped = clipper.getOffsets(maskpaths,(phase1*20)+1,true);
+		    clipped = clipper.getOffsets(maskpaths,-((phase*20)+1),true);
 
 		    simplified.clear();
 			
@@ -197,7 +213,7 @@ void ofApp::draw(){
 		        pointsdrawn+=clip.size();
 		    }
 
-
+*/
 			break;
 		}
 		case 6:{
@@ -223,7 +239,28 @@ void ofApp::draw(){
 
 			break;
 		}
-		case 7:{
+		case 7: {
+			movie.update();
+			if (movie.isFrameNew()){
+				colorImg.setFromPixels(movie.getPixels());
+				grayImage = colorImg;
+				grayImage.threshold(threshold);
+				contourFinder.findContours(grayImage, 20, (340*240)/3, 10, true);
+			}
+			vector <ofPolyline> shapes;
+			for (int i = 0; i < contourFinder.nBlobs; i++){
+				ofPolyline shape;
+				for (auto& point:contourFinder.blobs[i].pts){
+					shape.addVertex(point);
+				}
+		        shapes.push_back(shape);
+		        segmentsdrawn++;
+		        pointsdrawn+=shape.size();
+		        contourFinder.blobs[i].draw(0,0);
+		    }
+		    break;
+		}
+		case 8:{
 			int w=ofRandom(1000);
 			segmenters[w%segmenters.size()].draw();
 			segmentsdrawn=1;
@@ -284,7 +321,15 @@ void ofApp::keyReleased(int key){
 			break;
 		}
 		case 'p':{
-			mode=(mode+1)%8;
+			mode=(mode+1)%9;
+			break;
+		}
+		case '-':{
+			threshold=max(threshold-1,0);
+			break;
+		}
+		case '=':{
+			threshold=min(threshold+1,255);
 			break;
 		}
 	}