fixed mirroring

2 files changed, 172 insertions, 21 deletions

diff --git a/data/tim-openpaths.kml b/data/tim-openpaths.kml
index 91b65ac..4e40d67 100644
--- a/data/tim-openpaths.kml
+++ b/data/tim-openpaths.kml
@@ -19,6 +19,32 @@
 				<gx:coord>-6.25055074692 53.3443069458 20.6979007721</gx:coord>
 				<when>2012-07-17T15:30:08</when>
 				<gx:coord>-6.25054168701 53.3442764282 20.8298339844</gx:coord>
+				<when>2012-07-17T16:10:40</when>
+				<gx:coord>-6.25052213669 53.3442802429 22.034198761</gx:coord>
+				<when>2012-07-17T18:42:08</when>
+				<gx:coord>-6.26801204681 53.3547554016 20.6610202789</gx:coord>
+				<when>2012-07-17T18:52:48</when>
+				<gx:coord>-6.27976989746 53.3499298096 26.7142848969</gx:coord>
+				<when>2012-07-17T19:01:20</when>
+				<gx:coord>-6.30523586273 53.3501625061 25.9673271179</gx:coord>
+				<when>2012-07-17T19:07:44</when>
+				<gx:coord>-6.33194732666 53.3739013672 25.9673271179</gx:coord>
+				<when>2012-07-17T19:14:08</when>
+				<gx:coord>-6.32204961777 53.343788147 25.9673271179</gx:coord>
+				<when>2012-07-17T19:20:32</when>
+				<gx:coord>-6.30197620392 53.3562393188 25.9673271179</gx:coord>
+				<when>2012-07-17T19:29:04</when>
+				<gx:coord>-6.31624221802 53.3664207458 25.9673271179</gx:coord>
+				<when>2012-07-17T19:39:44</when>
+				<gx:coord>-6.28307294846 53.3515167236 25.9673271179</gx:coord>
+				<when>2012-07-17T19:44:00</when>
+				<gx:coord>-6.26699638367 53.3522415161 24.3768482208</gx:coord>
+				<when>2012-07-17T23:55:44</when>
+				<gx:coord>-6.2671585083 53.3520851135 25.2789287567</gx:coord>
+				<when>2012-07-17T23:57:52</when>
+				<gx:coord>-6.2671918869 53.3521385193 25.2789287567</gx:coord>
+				<when>2012-07-17T23:57:52</when>
+				<gx:coord>-6.26708841324 53.352142334 24.1845855713</gx:coord>
 			</gx:Track>
 		</Placemark>
 		<Placemark>
@@ -71,5 +97,135 @@
 				<coordinates>-6.25054168701,53.3442764282,20.8298339844</coordinates>
 			</Point>
 		</Placemark>
+		<Placemark>
+			<ExtendedData>
+				<Data name="datetime">
+					<value>2012-07-17T16:10:40</value>
+				</Data>
+			</ExtendedData>
+			<Point>
+				<coordinates>-6.25052213669,53.3442802429,22.034198761</coordinates>
+			</Point>
+		</Placemark>
+		<Placemark>
+			<ExtendedData>
+				<Data name="datetime">
+					<value>2012-07-17T18:42:08</value>
+				</Data>
+			</ExtendedData>
+			<Point>
+				<coordinates>-6.26801204681,53.3547554016,20.6610202789</coordinates>
+			</Point>
+		</Placemark>
+		<Placemark>
+			<ExtendedData>
+				<Data name="datetime">
+					<value>2012-07-17T18:52:48</value>
+				</Data>
+			</ExtendedData>
+			<Point>
+				<coordinates>-6.27976989746,53.3499298096,26.7142848969</coordinates>
+			</Point>
+		</Placemark>
+		<Placemark>
+			<ExtendedData>
+				<Data name="datetime">
+					<value>2012-07-17T19:01:20</value>
+				</Data>
+			</ExtendedData>
+			<Point>
+				<coordinates>-6.30523586273,53.3501625061,25.9673271179</coordinates>
+			</Point>
+		</Placemark>
+		<Placemark>
+			<ExtendedData>
+				<Data name="datetime">
+					<value>2012-07-17T19:07:44</value>
+				</Data>
+			</ExtendedData>
+			<Point>
+				<coordinates>-6.33194732666,53.3739013672,25.9673271179</coordinates>
+			</Point>
+		</Placemark>
+		<Placemark>
+			<ExtendedData>
+				<Data name="datetime">
+					<value>2012-07-17T19:14:08</value>
+				</Data>
+			</ExtendedData>
+			<Point>
+				<coordinates>-6.32204961777,53.343788147,25.9673271179</coordinates>
+			</Point>
+		</Placemark>
+		<Placemark>
+			<ExtendedData>
+				<Data name="datetime">
+					<value>2012-07-17T19:20:32</value>
+				</Data>
+			</ExtendedData>
+			<Point>
+				<coordinates>-6.30197620392,53.3562393188,25.9673271179</coordinates>
+			</Point>
+		</Placemark>
+		<Placemark>
+			<ExtendedData>
+				<Data name="datetime">
+					<value>2012-07-17T19:29:04</value>
+				</Data>
+			</ExtendedData>
+			<Point>
+				<coordinates>-6.31624221802,53.3664207458,25.9673271179</coordinates>
+			</Point>
+		</Placemark>
+		<Placemark>
+			<ExtendedData>
+				<Data name="datetime">
+					<value>2012-07-17T19:39:44</value>
+				</Data>
+			</ExtendedData>
+			<Point>
+				<coordinates>-6.28307294846,53.3515167236,25.9673271179</coordinates>
+			</Point>
+		</Placemark>
+		<Placemark>
+			<ExtendedData>
+				<Data name="datetime">
+					<value>2012-07-17T19:44:00</value>
+				</Data>
+			</ExtendedData>
+			<Point>
+				<coordinates>-6.26699638367,53.3522415161,24.3768482208</coordinates>
+			</Point>
+		</Placemark>
+		<Placemark>
+			<ExtendedData>
+				<Data name="datetime">
+					<value>2012-07-17T23:55:44</value>
+				</Data>
+			</ExtendedData>
+			<Point>
+				<coordinates>-6.2671585083,53.3520851135,25.2789287567</coordinates>
+			</Point>
+		</Placemark>
+		<Placemark>
+			<ExtendedData>
+				<Data name="datetime">
+					<value>2012-07-17T23:57:52</value>
+				</Data>
+			</ExtendedData>
+			<Point>
+				<coordinates>-6.2671918869,53.3521385193,25.2789287567</coordinates>
+			</Point>
+		</Placemark>
+		<Placemark>
+			<ExtendedData>
+				<Data name="datetime">
+					<value>2012-07-17T23:57:52</value>
+				</Data>
+			</ExtendedData>
+			<Point>
+				<coordinates>-6.26708841324,53.352142334,24.1845855713</coordinates>
+			</Point>
+		</Placemark>
 	</Document>
 </kml>
\ No newline at end of file
diff --git a/gpsviewer.pde b/gpsviewer.pde
index da614b2..715c79f 100644
--- a/gpsviewer.pde
+++ b/gpsviewer.pde
@@ -13,7 +13,7 @@ class p3d {
 p3d max=new p3d(-1000,-1000,-1000);
 p3d min=new p3d(1000,1000,1000);
 
-float xo,yo,sc;
+float xOffset,yOffset,spanDegrees;
 
 void addPoint(String[] coord) {
   p3d p;
@@ -31,7 +31,7 @@ void addPoint(String[] coord) {
 }
 
 void setup() {
-  size(200, 200);
+  size(512,512);
   kml = new XMLElement(this, "tim-openpaths.kml").getChild("Document");
   //kml = new XMLElement(this, "everytrip-demo.kml").getChild("Document");
   int num = kml.getChildCount();
@@ -53,38 +53,33 @@ void setup() {
   //work out offsets
   if (max.x-min.x>max.y-min.y) {
     //scale to X
-    xo=0;
-    yo=(height/2)-((height*((max.y-min.y)/(max.x-min.x))*0.5));
-    println("ratio: "+str((max.y-min.y)/(max.x-min.x)));
+    xOffset=0;
+    yOffset=(height/2)-((height*((max.y-min.y)/(max.x-min.x))*0.5)); //
   }
   else {
     //scale to Y
-    xo=(width/2)-((width*((max.x-min.x)/(max.y-min.y))*0.5));
+    xOffset=(width/2)-((width*((max.x-min.x)/(max.y-min.y))*0.5));
     println("ratio: "+str((max.x-min.x)/(max.y-min.y)));
-    yo=0;
+    yOffset=0;
   }
   
-  size(512,512);
+  
   background(0);
   stroke(255);
 }
 
 void draw() {
-  println(str(min.x)+","+str(min.y)+" to "+str(max.x)+","+str(max.y));
-  println("offset: "+str(xo)+","+str(yo));
-  sc=max(max.x-min.x,max.y-min.y); 
-  if (sc==0.0) println("no movement!");
+  spanDegrees=max(max.x-min.x,max.y-min.y); 
+  if (spanDegrees==0.0) println("no movement!");
   else {
-    float psc; //pixels per degree
-    if (max.x-min.x>max.y-min.y) psc=width/sc; //maximum span of latitude/longitude
-    else psc=height/sc;
-    //println("scale: "+str(sc)+" :"+str(width/sc)+" pixels/degree"); 
+    float pixelsPerDegree;
+    if (max.x-min.x>max.y-min.y) pixelsPerDegree=width/spanDegrees; //maximum span of latitude/longitude
+    else pixelsPerDegree=height/spanDegrees;
     for (int i=0;i<points.size()-1;i++) {
-      float x1=((((p3d)points.get(i)).x-min.x)*psc)+xo;
-      float y1=((((p3d)points.get(i)).y-min.y)*psc)+yo;
-      float x2=((((p3d)points.get(i+1)).x-min.x)*psc)+xo;
-      float y2=((((p3d)points.get(i+1)).y-min.y)*psc)+yo;
-      //println(str(x1)+","+str(y1)+" to "+str(x2)+","+str(y2));
+      float x1=((((p3d)points.get(i)).x-min.x)*pixelsPerDegree)+xOffset;
+      float y1=(height-((((p3d)points.get(i)).y-min.y)*pixelsPerDegree))-yOffset;
+      float x2=((((p3d)points.get(i+1)).x-min.x)*pixelsPerDegree)+xOffset;
+      float y2=(height-((((p3d)points.get(i+1)).y-min.y)*pixelsPerDegree))-yOffset;
       line(x1,y1,x2,y2);
     }
   }