Initial Commit

Java/Processing/processing-3.3.6/modes/java/examples/Topics/Advanced Data/XMLYahooWeather/XMLYahooWeather.pde

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+/**
+ * Loading XML Data
+ * by Daniel Shiffman.  
+ * 
+ * This example demonstrates how to use loadXML()
+ * to retrieve data from an XML document via a URL
+ */
+
+// We're going to store the temperature
+int temperature = 0;
+// We're going to store text about the weather
+String weather = "";
+
+
+// Yahoo weather uses something called A WOEID (Where On Earth IDentifier) 
+// https://en.wikipedia.org/wiki/WOEID
+// This is the WOEID for zip code 10003
+String zip = "10003";
+String woeid = "12761335";
+
+PFont font;
+
+void setup() {
+  size(600, 360);
+  
+  font = createFont("Merriweather-Light.ttf", 28);
+  textFont(font);
+
+  // The URL for the XML document
+  String url = "http://query.yahooapis.com/v1/public/yql?format=xml&q=select+*+from+weather.forecast+where+woeid=" + woeid + "+and+u='F'";
+  
+  // Load the XML document
+  XML xml = loadXML(url);
+
+  // Grab the element we want
+  XML forecast = xml.getChild("results/channel/item/yweather:forecast");
+  
+  // Get the attributes we want
+  temperature = forecast.getInt("high");
+  weather = forecast.getString("text");
+}
+
+void draw() {
+  background(255);
+  fill(0);
+
+  // Display all the stuff we want to display
+  text("Zip: " + zip, width*0.15, height*0.33);
+  text("Today’s high: " + temperature + "°F", width*0.15, height*0.5);
+  text("Forecast: " + weather, width*0.15, height*0.66);
+
+}