rendercircle.java

int[] countData;
int[] countData2;


void setup() {
  size(680, 830);
  loadData();
}

void draw() {
  background(255);
  renderCircle(countData);
}

void loadData() {
  //load the luddite csv
  Table myData = loadTable("crochetData.csv");
  countData = new int[myData.getRowCount()];

  //turn the luddite data into an array for easy use
  for (int i = 0; i < myData.getRowCount (); i++) {
    println(myData.getRow(i).getInt(0)); //could use getString for that type
    countData[i] = myData.getRow(i).getInt(0);
  }
  
}

void renderCircle(int[] nums) {

  for (int i = 0; i < nums.length; i++) {
    
    float angle=TWO_PI/nums.length;
    int radius = 50;
    float radius2 = map(nums[i], 0, max(nums), 60, 400);
    
    float x = -radius*sin(angle*i)+width/2;
    float x2 = -radius2*sin(angle*i)+width/2;   
    
    float y = radius*cos(angle*i)+height/2;
    float y2 = radius2*cos(angle*i)+height/2;
    
    stroke(0);
    fill(0);
    line(x,y,x2,y2);
    //text(nums[i],x2,y2);
  }
}