/* * Copyright © 2010 Anthony Towns * * 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 AltosSiteMapTile extends JLabel { int zoom; double scale_x, scale_y; Point2D.Double coord_pt; Point2D.Double last_pt; Graphics2D g2d; int off_x; int off_y; int px_size = 512; private boolean setLocation(double lat, double lng) { Point2D.Double north_step; double step_nm = 0.5; for (zoom = 3; zoom < 22; zoom++) { coord_pt = pt(lat, lng, new Point2D.Double(0,0), zoom); north_step = pt(lat+step_nm/60.0, lng, new Point2D.Double(0,0), zoom); if (coord_pt.y - north_step.y > px_size/2) break; } coord_pt.x = -px_size * Math.floor(coord_pt.x/px_size + off_x); coord_pt.y = -px_size * Math.floor(coord_pt.y/px_size + off_y); scale_x = 256/360.0 * Math.pow(2, zoom); scale_y = 256/(2.0*Math.PI) * Math.pow(2, zoom); last_pt = null; Point2D.Double map_latlng; map_latlng = latlng(new Point2D.Double(px_size/2, px_size/2)); File pngfile = new File(AltosPreferences.logdir(), FileCoord(map_latlng, zoom)); try { BufferedImage myPicture; myPicture = ImageIO.read(pngfile); setIcon(new ImageIcon( myPicture )); System.out.printf("# Found file %s\n", pngfile); g2d = myPicture.createGraphics(); } catch (Exception e) { // throw new RuntimeException(e); System.out.printf("# Failed to find file %s\n", pngfile); System.out.printf(" wget -O '%s' 'http://maps.google.com/maps/api/staticmap?center=%.6f,%.6f&zoom=%d&size=%dx%d&sensor=false&maptype=hybrid&format=png32'\n", pngfile, map_latlng.x, map_latlng.y, zoom, px_size, px_size); } return true; } private static double limit(double v, double lo, double hi) { if (v < lo) return lo; if (hi < v) return hi; return v; } private static String FileCoord(Point2D.Double latlng, int zoom) { double lat, lng; lat = latlng.x; lng = latlng.y; return FileCoord(lat, lng, zoom); } private static String FileCoord(double lat, double lng, int zoom) { char chlat = lat < 0 ? 'S' : 'N'; char chlng = lng < 0 ? 'E' : 'W'; if (lat < 0) lat = -lat; if (lng < 0) lng = -lng; return String.format("map-%c%.6f,%c%.6f-%d.png", chlat, lat, chlng, lng, zoom); } // 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, scale_x, scale_y); } private static Point2D.Double pt(double lat, double lng, Point2D.Double centre, int zoom) { double scale_x = 256/360.0 * Math.pow(2, zoom); double scale_y = 256/(2.0*Math.PI) * Math.pow(2, zoom); return pt(lat, lng, centre, scale_x, scale_y); } private static Point2D.Double pt(double lat, double lng, Point2D.Double centre, double scale_x, double scale_y) { 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; } private Point2D.Double latlng(Point2D.Double pt) { return latlng(pt, coord_pt); } private Point2D.Double latlng(Point2D.Double pt, Point2D.Double centre) { double lat, lng; double rads; lng = (pt.x - centre.x)/scale_x; rads = 2 * Math.atan(Math.exp((pt.y-centre.y)/-scale_y)); lat = Math.toDegrees(rads - Math.PI/2); return new Point2D.Double(lat,lng); } 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 }; boolean drawn_landed_circle = false; boolean nomaps = false; public void show(AltosState state, int crc_errors) { if (nomaps) return; if (!state.gps_ready && state.pad_lat == 0 && state.pad_lon == 0) return; double plat = state.pad_lat; double plon = state.pad_lon; if (last_pt == null) { if (!setLocation(plat, plon)) { nomaps = true; 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)); } if (0 <= pt.x && pt.x < px_size) { if (0 <= pt.y && pt.y < px_size) { int dx = 500, dy = 250; if (last_pt != null && state.state > 2) { dx = Math.min(200, 20 + (int) Math.abs(last_pt.x - pt.x)); dy = Math.min(100, 10 + (int) Math.abs(last_pt.y - pt.y)); } Rectangle r = new Rectangle((int)pt.x-dx, (int)pt.y-dy, dx*2, dy*2); scrollRectToVisible(r); } } if (state.state == 8 && !drawn_landed_circle) { drawn_landed_circle = true; g2d.setColor(Color.RED); g2d.drawOval((int)pt.x-5, (int)pt.y-5, 10, 10); g2d.drawOval((int)pt.x-20, (int)pt.y-20, 40, 40); g2d.drawOval((int)pt.x-35, (int)pt.y-35, 70, 70); } last_pt = pt; repaint(); } public AltosSiteMapTile(int x_tile_offset, int y_tile_offset) { BufferedImage myPicture = new BufferedImage(px_size, px_size, BufferedImage.TYPE_INT_RGB); setIcon(new ImageIcon( myPicture )); g2d = myPicture.createGraphics(); g2d.setColor(Color.GRAY); g2d.fillRect(0, 0, px_size, px_size); off_x = x_tile_offset; off_y = y_tile_offset; } }