// markers ---------------------------------------------------------------------

class markers {

  int[][] m = new int[100][2];
  int num;


  markers() {
    
    // set markers manually
    m[0][0] = 64;
    m[0][1] = 111;
    
    m[1][0] = 144;
    m[1][1] = 132;
    
    m[2][0] = 209;
    m[2][1] = 142;
    
    m[3][0] = 259;
    m[3][1] = 186;
    
    m[4][0] = 283;
    m[4][1] = 223;
    
    m[5][0] = 210;
    m[5][1] = 261;
    
    m[6][0] = 116;
    m[6][1] = 266;
    
    m[7][0] = 41;
    m[7][1] = 258;
    
    num = 8;
    
  }
  
  
  // render --------------------------------------------------------------------
  
  void render() {
    
    // render markers
    for (int i=0; i<num; i++) {
      marker(m[i][0], m[i][1], i);
    }
    
    // connect markers
    splines();
    
  }
  

  // marker --------------------------------------------------------------------
  
  void marker(int _x, int _y, int _id) {

    if (_y > imgmargin && _y < imgheight - imgmargin) {
  
      colorMode(HSB, 360);
      rectMode(CORNER);
      
      fill(convertHSB(count, img.length), 360, 360, 80);
      stroke(convertHSB(count, img.length), 360, 360, 80);
      
      pushMatrix();
        translate(_x, _y, vimage.p[_x][_y].t + 4);
        box(8);
        textFont(univers, 10);
        fill(convertHSB(count, img.length), 360, 360);
        pushMatrix();
        rotateX(-rxnum);
        text(int(img[count].imgColors[_x][_y]*(max-min)/255) + min  + " dB", 10, 4);
        popMatrix();
      popMatrix();
    
      pushMatrix();
        translate(0, 0, vimage.p[_x][_y].t + 4);
        noFill();
        rect(0, 0, imgwidth, imgheight);
      popMatrix();
    
    }
  
  }
  
  

  // splines -------------------------------------------------------------------
  
  void splines() {
  
    colorMode(HSB, 360);
    stroke(convertHSB(count, img.length), 360, 360, 140);
    
    beginShape(LINE_STRIP);
    
    for (int i=0; i<num; i++) {
    
      if (m[i][1] > imgmargin && m[i][1] < imgheight - imgmargin) {
        vertex(m[i][0], m[i][1], vimage.p[m[i][0]][m[i][1]].t - 4);
      }
  
    }
    
    vertex(m[0][0], m[0][1], vimage.p[m[0][0]][m[0][1]].t - 4);
    
    endShape();
    
  }
  
  
  

 


}