+/*
+ * Copyright © 2010 Anthony Towns <aj@erisian.com.au>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package altosui;
+
+import java.awt.*;
+import java.awt.image.*;
+import java.awt.event.*;
+import javax.swing.*;
+import javax.imageio.ImageIO;
+import javax.swing.table.*;
+import java.io.*;
+import java.util.*;
+import java.text.*;
+import java.util.prefs.*;
+import java.lang.Math;
+import java.awt.geom.Point2D;
+import java.awt.geom.Line2D;
+
+public class AltosSiteMap extends JComponent implements AltosFlightDisplay {
+ double lat, lng;
+ int zoom;
+ double scale_x, scale_y;
+ Point2D.Double coord_pt;
+ Point2D.Double last_pt;
+
+ Graphics2D g2d;
+
+ private void setLocation(double new_lat, double new_lng, int new_zoom) {
+ lat = new_lat;
+ lng = new_lng;
+ zoom = new_zoom;
+ scale_x = 256/360.0 * Math.pow(2, zoom);
+ scale_y = 256/(2.0*Math.PI) * Math.pow(2, zoom);
+ coord_pt = pt(lat, lng, new Point2D.Double(0,0));
+ coord_pt.x = 320-coord_pt.x;
+ coord_pt.y = 320-coord_pt.y;
+ last_pt = null;
+ }
+
+ private static double limit(double v, double lo, double hi) {
+ if (v < lo)
+ return lo;
+ if (hi < v)
+ return hi;
+ return v;
+ }
+
+ // based on google js
+ // http://maps.gstatic.com/intl/en_us/mapfiles/api-3/2/10/main.js
+ // search for fromLatLngToPoint and fromPointToLatLng
+ private Point2D.Double pt(double lat, double lng) {
+ return pt(lat, lng, coord_pt);
+ }
+
+ private Point2D.Double pt(double lat, double lng, Point2D.Double centre) {
+ Point2D.Double res = new Point2D.Double();
+ double e;
+
+ res.x = centre.x + lng*scale_x;
+ e = limit(Math.sin(Math.toRadians(lat)),-(1-1.0E-15),1-1.0E-15);
+ res.y = centre.y + 0.5*Math.log((1+e)/(1-e))*-scale_y;
+ return res;
+ }
+
+
+ public void reset() {
+ // ?
+ }
+
+ static Color stateColors[] = {
+ Color.WHITE, // startup
+ Color.WHITE, // idle
+ Color.WHITE, // pad
+ Color.RED, // boost
+ Color.PINK, // fast
+ Color.YELLOW, // coast
+ Color.CYAN, // drogue
+ Color.BLUE, // main
+ Color.BLACK // landed
+ };
+
+ public void show(AltosState state, int crc_errors) {
+ if (!state.gps_ready)
+ return;
+ Point2D.Double pt = pt(state.gps.lat, state.gps.lon);
+ if (last_pt != null && pt != last_pt) {
+ if (0 <= state.state && state.state < stateColors.length) {
+ g2d.setColor(stateColors[state.state]);
+ }
+ g2d.draw(new Line2D.Double(last_pt, pt));
+ }
+ last_pt = pt;
+ repaint();
+ }
+
+ public AltosSiteMap() {
+ GridBagLayout layout = new GridBagLayout();
+ setLayout(layout);
+
+ GridBagConstraints c = new GridBagConstraints();
+
+ setLocation(-27.850, 152.960, 15);
+ String pngfile = "/home/aj/qrs-S27.850,W152.960-15.png";
+
+ c.gridx = 0; c.gridy = 0;
+ c.weightx = 1; c.weighty = 1;
+ c.anchor = GridBagConstraints.CENTER;
+ c.fill = GridBagConstraints.BOTH;
+
+ try {
+ BufferedImage myPicture = ImageIO.read(new File(pngfile));
+ g2d = myPicture.createGraphics();
+ JLabel picLabel = new JLabel(new ImageIcon( myPicture ));
+ JScrollPane scrollPane = new JScrollPane(picLabel);
+ layout.setConstraints(scrollPane, c);
+ add(scrollPane);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ };
+ }
+}
+
projects / fw / altos / commitdiff