Scrolling graph

Author: Olivier LeDiouris

RESTNavServer/nmea.mux.no.gps.properties

@@ -9,7 +9,7 @@ http.port=9999
 #
 # Channels (input)
 #
-# mux.01.type=zda
+mux.01.type=zda
 #
 #
 # No Forwarders

RasPISamples/weather.logger/raspi/reports.v2/js/Graph.js

@@ -117,19 +117,27 @@ function Graph(cName,       // Canvas Name
   }, 0);
 
   var relativeMouseCoords = function (event, element) {
-    var totalOffsetX = 0;
-    var totalOffsetY = 0;
+    // var totalOffsetX = 0;
+    // var totalOffsetY = 0;
     var canvasX = 0;
     var canvasY = 0;
-    var currentElement = element;
-
-    do {
-      totalOffsetX += currentElement.offsetLeft - currentElement.scrollLeft;
-      totalOffsetY += currentElement.offsetTop - currentElement.scrollTop;
-    } while (currentElement = currentElement.offsetParent)
-
-    canvasX = event.pageX - totalOffsetX;
-    canvasY = event.pageY - totalOffsetY;
+    // var currentElement = element;
+    //
+    // do {
+    //   totalOffsetX += currentElement.offsetLeft - currentElement.scrollLeft;
+    //   totalOffsetY += currentElement.offsetTop - currentElement.scrollTop;
+    // } while (currentElement = currentElement.offsetParent)
+    //
+    // canvasX = event.pageX - totalOffsetX;
+    // canvasY = event.pageY - totalOffsetY;
+
+	  var bcr = element.getBoundingClientRect();
+
+	  canvasX = event.clientX;
+	  canvasY = event.clientY;
+
+	  canvasX -= bcr.left;
+	  canvasY -= bcr.top;
 
     return {x:canvasX, y:canvasY};
   };

TwoLeds/src/twoleds/MainController.java

@@ -2,34 +2,41 @@
 
 import com.pi4j.io.gpio.GpioController;
 import com.pi4j.io.gpio.GpioFactory;
-
 import com.pi4j.io.gpio.RaspiPin;
-
 import twoleds.led.OneLed;
 
-public class MainController
-{
-  public static void main(String... args)
-  {
-    GpioController gpio = GpioFactory.getInstance();
-    OneLed yellowLed = new OneLed(gpio, RaspiPin.GPIO_01, "yellow");
-    OneLed greenLed  = new OneLed(gpio, RaspiPin.GPIO_04, "green");
+public class MainController {
+	public static void main(String... args) {
+		GpioController gpio = GpioFactory.getInstance();
+		OneLed yellowLed = new OneLed(gpio, RaspiPin.GPIO_01, "yellow");
+		OneLed greenLed = new OneLed(gpio, RaspiPin.GPIO_04, "green");
 
-    long step = 50L;
+		long step = 50L;
 
-    for (int i=0; i<10; i++)
-    {
-      yellowLed.on();
-      try { Thread.sleep(5 * step); } catch (InterruptedException ie) {}
-      yellowLed.off();
-      greenLed.on();
-      try { Thread.sleep(5 * step); } catch (InterruptedException ie) {}
-      yellowLed.on();
-      try { Thread.sleep(10 * step); } catch (InterruptedException ie) {}
-      yellowLed.off();
-      greenLed.off();
-      try { Thread.sleep(step); } catch (InterruptedException ie) {}
-    }
-    gpio.shutdown();
-  }
+		for (int i = 0; i < 10; i++) {
+			yellowLed.on();
+			try {
+				Thread.sleep(5 * step);
+			} catch (InterruptedException ie) {
+			}
+			yellowLed.off();
+			greenLed.on();
+			try {
+				Thread.sleep(5 * step);
+			} catch (InterruptedException ie) {
+			}
+			yellowLed.on();
+			try {
+				Thread.sleep(10 * step);
+			} catch (InterruptedException ie) {
+			}
+			yellowLed.off();
+			greenLed.off();
+			try {
+				Thread.sleep(step);
+			} catch (InterruptedException ie) {
+			}
+		}
+		gpio.shutdown();
+	}
 }

TwoLeds/src/twoleds/led/OneLed.java

@@ -5,28 +5,26 @@
 import com.pi4j.io.gpio.Pin;
 import com.pi4j.io.gpio.PinState;
 
-public class OneLed
-{
-  private GpioPinDigitalOutput led = null;
-  private String name;
-  
-  public OneLed(GpioController gpio, Pin pin, String name)
-  {
-    this.name = name;
-    led = gpio.provisionDigitalOutputPin(pin, "Led", PinState.LOW);
-  }
-  
-  public void on()
-  {
-    if ("true".equals(System.getProperty("verbose", "false")))
-      System.out.println(this.name + " is on.");
-    led.high();
-  }
-  
-  public void off()
-  {
-    if ("true".equals(System.getProperty("verbose", "false")))
-      System.out.println(this.name + " is off.");
-    led.low();
-  }
+public class OneLed {
+	private GpioPinDigitalOutput led = null;
+	private String name;
+
+	public OneLed(GpioController gpio, Pin pin, String name) {
+		this.name = name;
+		led = gpio.provisionDigitalOutputPin(pin, "Led", PinState.LOW);
+	}
+
+	public void on() {
+		if ("true".equals(System.getProperty("verbose", "false"))) {
+			System.out.println(this.name + " is on.");
+		}
+		led.high();
+	}
+
+	public void off() {
+		if ("true".equals(System.getProperty("verbose", "false"))) {
+			System.out.println(this.name + " is off.");
+		}
+		led.low();
+	}
 }