Hi,

I want to send a signal from Processing to PureData via OSC. I work with face detection (that works now) and I want to send a "1" if a face is detected and a "0" if there is no face. I thought it would be the easiest way. I searched for examples, but I never worked with OSC and I am not a Processing-hero.. so I need help.

I started with this code:

Code: import pFaceDetect.*; import JMyron.*; import oscP5.*; import netP5.*; PFaceDetect face; JMyron m; PImage img; void setup() { size(320,240); m = new JMyron(); m.start(width,height); m.findGlobs(0); face = new PFaceDetect(this,width,height, "haarcascade_frontalface_default.xml"); frameRate(15); img = createImage(width,height,ARGB); rectMode(CORNER); noFill(); stroke(255,0,0); smooth(); } void draw() { background(0); m.update(); arraycopy(m.cameraImage(),img.pixels); img.updatePixels(); face.findFaces(img); image(img,0,0); drawFace(); } void drawFace() { int [][] res = face.getFaces(); if (res.length>0) { for (int i=0;i<res.length;i++) { int x = res[i][0]; int y = res[i][1]; int w = res[i][2]; int h = res[i][3]; rect(x,y,w,h); } } } void oscEvent(OscMessage message){ if (res.length>0) { // I don`t know what I have to write here... } } void stop() { m.stop(); super.stop(); }

That´s a face detection example from "bryanchung.net/?page_id=251" with an addition of the OSC protocol, but I don`t know how to go on.

I hope this is the write place to post my question.
I am sorry, that I have not a hugh knowledge about the osc, but I havn´t understand the examples for OSC in processing.

Thanks a lot for help,
Anna

Thanks a lot!
With your help (and more hours spending with google) I solved the problem.

Code:

import pFaceDetect.*;
import JMyron.*;
import oscP5.*;
import netP5.*;

OscP5 oscP5;
NetAddress remote; 

PFaceDetect face;
JMyron m;
PImage img;


void setup() {
  size(320,240);
  m = new JMyron();
  m.start(width,height);
  m.findGlobs(0);
  face = new PFaceDetect(this,width,height,
  "haarcascade_frontalface_default.xml");
  frameRate(15);
  img = createImage(width,height,ARGB);
  rectMode(CORNER);
  noFill();
  stroke(255,0,0);
  smooth();
  oscP5 = new OscP5(this,1234);
  remote = new NetAddress("127.0.0.1",1234);
}

void draw() {
  background(0);
  m.update();
  arraycopy(m.cameraImage(),img.pixels);
  img.updatePixels();
  face.findFaces(img);
  image(img,0,0);
  drawFace();
  
  int [][] res = face.getFaces();
  OscMessage myOscMessage = new OscMessage("/test");
  if (res.length>0) {
	 myOscMessage.add(1);
	 oscP5.send(myOscMessage, remote);
  } 
  else {	  
    myOscMessage.add(0);
    oscP5.send(myOscMessage, remote);
  }
  
}

void drawFace() {
int [][] res = face.getFaces();
  if (res.length>0) {
    for (int i=0;i<res.length;i++) {
	int x = res[i][0];
	int y = res[i][1];
	int w = res[i][2];
	int h = res[i][3];
	rect(x,y,w,h);
    }
  }
}

void stop() {
  m.stop();
  super.stop();
}
 

But I did not find in the internet that the oscEvent is only for recieving. Thanks for the idea to put this in the draw method!

Thx,
Anna

hi, the netP5 library is included in the oscP5 package. when including a library using the menubar-items sketch->import library->oscP5 the package netP5 will be imported together with package oscP5.
(this should answer the same question posted in another post, too.)
best,
andreas