Fixed comments, added new OpenSignal example

Author: Andreas Göransson

examples/OpenSignal/OpenSignal.pde

@@ -0,0 +1,48 @@
+/*
+ * JSON 4 Processing
+ * Basic example: Parsing data from OpenSignal API
+ *
+ * Get your own API key from https://opensignal.3scale.net/login
+ */
+
+import org.json.*;
+
+String cid = "10132";
+String lac = "9015";
+String sid = "0";
+String phone_type = "GSM";
+String network_id = "24001";
+String api_key = "<your api key>";
+
+PFont font;
+
+void setup(){
+  font = loadFont("Ubuntu-24.vlw");
+  textFont(font, 12);
+  fill( 0 );
+  
+  // 1. Create the URL
+  String url = "http://api.opensignal.com/v2/towerinfo.json?cid="+cid+"&lac="+lac+"&sid="+sid+"&phone_type="+phone_type+"&network_id="+network_id+"&apikey="+api_key;
+  
+  // 2. Get the json-formatted string
+  String[] jsonstring = loadStrings(url);
+  
+  // 3. Initialize the object
+  JSON cell_tower = JSON.parse(jsonstring[0]);
+
+  println( cell_tower );
+  
+  showInformation( cell_tower.getJSON("tower1") );
+}
+
+void draw(){
+}
+
+void showInformation(JSON tower){
+  translate( 5, 12 );
+  text("Cell tower", 0, 0);
+  text("LAC: " + tower.getString("lac"), 0, 12);
+  text("ID: " + tower.getString("cid"), 0, 24);
+  text("lat: " + tower.getString("est_lat"), 0, 36);
+  text("lng: " + tower.getString("est_lng"), 0, 48);
+}

examples/OpenSignal/data/Ubuntu-24.vlw

@@ -21,7 +21,7 @@ PFont font;
 void setup() {
   size(600, 360);
 
-  font = createFont("Merriweather-Light.ttf", 28);
+  font = createFont("Merriweather-Light.vlw", 28);
   textFont(font);
 
   // The URL for the XML document
@@ -52,7 +52,6 @@ void draw() {
 
   // Display all the stuff we want to display
   text("Zip code: " + zip, width*0.15, height*0.33);
-  text("Today’s high: " + temperature, width*0.15, height*0.5);
+  text("Todays high: " + temperature, width*0.15, height*0.5);
   text("Forecast: " + weather, width*0.15, height*0.66);
-
 }

examples/convert_xml_to_json/convert_xml_to_json.pde

@@ -29,7 +29,11 @@
  * able of calling ".get(index)" on an JSONObject for example... it should then
  * notify the user by a simple text message to the console.
  * 
- * @author ksango
+ * This library started from the JSONObject and JSONArray classes by Douglas
+ * Crockford, since then it has been heavily modified and also includes changes
+ * from the JSONArray and JSONObject classes from Processing core.
+ * 
+ * @author Andreas Goransson
  * 
  */
 public class JSON {
@@ -143,9 +147,9 @@ public static JSON createArray(){
 	/**
 	 * Open a json file
 	 * 
-	 * @param json
+	 * @param json filename
 	 * 
-	 * @return
+	 * @return JSON (array or object)
 	 */
 	public static JSON load(String filename) {
 		InputStream input = null;
@@ -171,6 +175,13 @@ public static JSON load(String filename) {
 		throw new RuntimeException("File is not JSON formatted");
 	}
 
+	/**
+	 * Parse a JSON string
+	 * 
+	 * @param data json formatted string
+	 * 
+	 * @return JSON (array or object)
+	 */
 	public static JSON parse(String data){	
 		JSONTokener tokener = new JSONTokener(data);