* is Unix

Jacob Kaplan-Moss

October 7, 2009

I'm working on a project that uses data in JSON format  (www.json.org).  It took me a while to get it going in processing, so I thought I'd post what I did here.  If there's a better way (which undoubtedly there is!), please let me know.

Andrew Odewahn

--
Here are the steps I took (on Windows):

1.  Download http://www.json.org/java/json.zip from json.org.  Save it in a some directory, which I'll call %DOWNLOAD_HOME%.

2.  Unzip it.  Be sure you preserve the archive's directory structure (/org/json/) when you unzip the file.  

3.  Change directory into %DOWNLOAD_HOME%orgjson

Features: * Multiple Data Representations: Treemaps, Radial Layouts, HyperTrees/Graphs, SpaceTree-like Layouts, and more... * Major Browsers Support: IE6+, Firefox2+, Safari3+, Opera9.5+ * Open Source: Licensed under the BSD License * Library Agnostic: You may use the JIT with your favorite DOM manipulation framework * Extensible: All visualization classes are mutable, so you can easily add/override any method you want. * Composable: Visualizations can be combined in order to create new visualization methods.

<script type="text/javascript" src="http://willarson.com/code/sparklines/processing.js"></script>
<script type="text/javascript" src="http://willarson.com/code/sparklines/sparklines.js"></script>
<script>
var setup_sparklines = function() {
  var opts = {};
  var data = [100,500,300,200,400,500,400,400,100,200];
  new Sparkline('simple1', data).draw();
};
</script>

<p> A simple sparkline. </p>
<pre><code>var data = [100,500,300,200,400,500,400,400,100,200];
new Sparkline('simple1', data).draw();</code></pre>
<canvas width="300" height="50" id="simple1" ></canvas>
<script>
setup_sparklines();
</script>
http://willarson.com/code/sparklines/sparklines.html

A simple sparkline.

var data = [100,500,300,200,400,500,400,400,100,200];
new Sparkline('simple1', data).draw();

void branch(float h) {
  
  h *= (float) $('#val_size_1').val();
  
  // All recursive functions must have an exit condition!!!!
  // Here, ours is when the length of the branch is 2 pixels or less
  if (h > 5) {
    pushMatrix();    // Save the current state of transformation (i.e. where are we now)
    rotate(theta);   // Rotate by theta
    line(0,0,0,-h);  // Draw the branch
    translate(0,-h); // Move to the end of the branch
    //ellipse(0, 0, 40, 40);
    branch(h);       // Ok, now call myself to draw two new branches!!
    popMatrix();     // Whenever we get back here, we "pop" in order to restore the previous matrix state
    
    // Repeat the same thing, only branch off to the "left" this time!
    pushMatrix();
    rotate(-theta);
    line(0,0,0,-h);
    translate(0,-h);
    branch(h);
    popMatrix();
  }
}

// just type here
// and click "submit" when done


void setup(){
  size(301,301);
}

  void draw() {
 background(290, mouseX, 50);
 noStroke();

 fill(mouseX, 139, mouseY);
 rect(45, 45, 45, 45);
 fill(20, mouseY, mouseX);
 rect(50, 50, 35, 35);

fill(mouseX, 139, mouseY);
 rect(100, 100, 100, 100);
 fill(mouseX, 20, mouseY);
 rect(50, 50, 35, 35);

fill(mouseX, mouseY, 139);
 rect(200, 200, 200, 200);
 fill(20, mouseY, mouseX);
 rect(50, 50, 35, 35);

fill(mouseX, mouseY, mouseY);
 rect(100, 100, 100, 100);
 fill(20, mouseY, mouseX);
 rect(50, 50, 35, 35);


}