package de.fhpotsdam.unfolding.data.manual;
import java.util.ArrayList;
import java.util.List;
import processing.core.PApplet;
import de.fhpotsdam.unfolding.UnfoldingMap;
import de.fhpotsdam.unfolding.geo.Location;
import de.fhpotsdam.unfolding.utils.MapUtils;
import de.fhpotsdam.unfolding.utils.ScreenPosition;
/**
* Displays a track loaded from a GPX file containing a bike tour in Berlin. The current speed is shown as the color of
* the path segment, with red representing slow and green representing fast speeds.
*/
public class ManualGPXTrackApp extends PApplet {
UnfoldingMap map;
Location startLocation = new Location(52.492f, 13.435f);
// track points
List<GPXUtils.TrackPoint> trackPoints = new ArrayList<GPXUtils.TrackPoint>();
public void setup() {
size(800, 600, OPENGL);
map = new UnfoldingMap(this);
MapUtils.createDefaultEventDispatcher(this, map);
map.zoomAndPanTo(startLocation, 15);
trackPoints = GPXUtils.loadGPXTrack(this, "data/bike-tour.gpx");
println("Loaded " + trackPoints.size() + " track points");
}
public void draw() {
map.draw();
noStroke();
fill(255, 170);
rect(0, 0, width, height);
ScreenPosition oldPos = null;
int i = 0;
for (GPXUtils.TrackPoint trackPoint : trackPoints) {
ScreenPosition pos = map.getScreenPosition(trackPoint.location);
if (i == 0) {
// Draw starting point
// stroke(20, 150);
// strokeWeight(1);
// fill(0, 255, 0);
// ellipse(pos.x, pos.y, 10, 10);
} else {
// Draw glow and line with speed mapped as color
strokeWeight(8);
stroke(255 - map((float) trackPoint.speed, 0, 30, 0, 255),
PApplet.map((float) trackPoint.speed, 0, 30, 0, 255), 0, 50);
line(oldPos.x, oldPos.y, pos.x, pos.y);
strokeWeight(2);
stroke(255 - map((float) trackPoint.speed, 0, 30, 0, 255),
PApplet.map((float) trackPoint.speed, 0, 30, 0, 255), 0, 200);
line(oldPos.x, oldPos.y, pos.x, pos.y);
}
oldPos = pos;
i++;
}
}
public static void main(String[] args) {
PApplet.main(new String[] { "de.fhpotsdam.unfolding.examples.data.GPXTrackApp" });
}
}