package org.altusmetrum.altosuilib_2;
import java.awt.*;
+import java.awt.event.*;
import javax.swing.*;
import java.io.*;
import java.lang.Math;
import java.awt.geom.Point2D;
+import java.util.*;
import java.util.concurrent.*;
import org.altusmetrum.altoslib_4.*;
-public class AltosSiteMap extends JScrollPane implements AltosFlightDisplay {
+class MapPoint {
+ double lat, lon;
+ int state;
+
+ public MapPoint(double lat, double lon, int state) {
+ this.lat = lat;
+ this.lon = lon;
+ this.state = state;
+ }
+
+ public boolean equals(MapPoint other) {
+ if (other == null)
+ return false;
+ if (other.lat != lat)
+ return false;
+ if (other.lon != lon)
+ return false;
+ if (other.state != state)
+ return false;
+ return true;
+ }
+}
+
+public class AltosSiteMap extends JComponent implements AltosFlightDisplay {
// preferred vertical step in a tile in naut. miles
// will actually choose a step size between x and 2x, where this
// is 1.5x
static final int MAX_TILE_DELTA = 100;
+ static final int maptype_hybrid = 0;
+ static final int maptype_roadmap = 1;
+ static final int maptype_satellite = 2;
+ static final int maptype_terrain = 3;
+
+ int maptype = maptype_hybrid;
+
+ static final String[] maptype_names = {
+ "hybrid",
+ "roadmap",
+ "satellite",
+ "terrain"
+ };
+
+ static final String[] maptype_labels = {
+ "Hybrid",
+ "Roadmap",
+ "Satellite",
+ "Terrain"
+ };
+
+ LinkedList<MapPoint> points = new LinkedList<MapPoint>();
+
private static Point2D.Double translatePoint(Point2D.Double p,
Point2D.Double d)
{
return new LatLng(lat,lng);
}
- int zoom;
+ static final int default_zoom = 15;
+ static final int min_zoom = 3;
+ static final int max_zoom = 21;
+
+ int zoom = default_zoom;
+
double scale_x, scale_y;
int radius; /* half width/height of tiles to load */
private Point2D.Double tileCoordOffset(Point p) {
return new Point2D.Double(centre.x - p.x*px_size,
- centre.y - p.y * px_size);
+ centre.y - p.y*px_size);
}
private Point tileOffset(Point2D.Double p) {
}
private Point2D.Double getBaseLocation(double lat, double lng) {
- Point2D.Double locn, north_step;
-
- zoom = 2;
- // stupid loop structure to please Java's control flow analysis
- do {
- zoom++;
- scale_x = 256/360.0 * Math.pow(2, zoom);
- scale_y = 256/(2.0*Math.PI) * Math.pow(2, zoom);
- locn = pt(lat, lng);
- north_step = pt(lat+tile_size_nmi*4/3/60.0, lng);
- if (locn.y - north_step.y > px_size)
- break;
- } while (zoom < 22);
+ Point2D.Double locn = pt(0,0), north_step;
+
+ scale_x = 256/360.0 * Math.pow(2, zoom);
+ scale_y = 256/(2.0*Math.PI) * Math.pow(2, zoom);
+ locn = pt(lat, lng);
locn.x = -px_size * Math.floor(locn.x/px_size);
locn.y = -px_size * Math.floor(locn.y/px_size);
return locn;
}
public void set_font() {
- // nothing
+ for (AltosSiteMapTile tile : mapTiles.values())
+ tile.set_font(AltosUILib.value_font);
}
- private void loadMap(final AltosSiteMapTile tile,
- final File pngfile, String pngurl)
+ static final int load_mode_cached = 1;
+ static final int load_mode_uncached = 2;
+
+ private boolean load_map(final AltosSiteMapTile tile,
+ final File pngfile, String pngurl,
+ int load_mode)
{
- boolean loaded = AltosSiteMapCache.fetchMap(pngfile, pngurl);
- if (loaded) {
+ boolean has_map = AltosSiteMapCache.has_map(pngfile, pngurl);
+ if ((load_mode & load_mode_uncached) == 0 && !has_map)
+ return false;
+ if ((load_mode & load_mode_cached) == 0 && has_map)
+ return false;
+
+ tile.set_status(AltosSiteMapCache.loading);
+ int status = AltosSiteMapCache.fetch_map(pngfile, pngurl);
+ if (status == AltosSiteMapCache.success) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
- tile.loadMap(pngfile);
+ tile.load_map(pngfile);
}
});
} else {
- System.out.printf("# Failed to fetch file %s\n", pngfile);
+ tile.set_status(status);
+ System.out.printf("# Failed to fetch file %s (status %d)\n", pngfile, status);
System.out.printf(" wget -O '%s' '%s'\n", pngfile, pngurl);
+ System.out.printf(" sleep 1\n");
}
+ return true;
}
LatLng map_latlng = latlng(
-centre.x + x*px_size + px_size/2,
-centre.y + y*px_size + px_size/2);
- prefetch.pngfile = MapFile(map_latlng.lat, map_latlng.lng, zoom);
- prefetch.pngurl = MapURL(map_latlng.lat, map_latlng.lng, zoom);
- if (prefetch.pngfile.exists()) {
+ prefetch.pngfile = MapFile(map_latlng.lat, map_latlng.lng, zoom, maptype_hybrid);
+ prefetch.pngurl = MapURL(map_latlng.lat, map_latlng.lng, zoom, maptype_hybrid);
+ if (AltosSiteMapCache.has_map(prefetch.pngfile, prefetch.pngurl)) {
prefetch.result = 1;
- } else if (AltosSiteMapCache.fetchMap(prefetch.pngfile, prefetch.pngurl)) {
+ } else if (AltosSiteMapCache.fetch_map(prefetch.pngfile, prefetch.pngurl) == AltosSiteMapCache.success) {
prefetch.result = 0;
} else {
prefetch.result = -1;
}
}
- public String initMap(Point offset) {
+ public File init_map(Point offset, int load_mode) {
AltosSiteMapTile tile = mapTiles.get(offset);
Point2D.Double coord = tileCoordOffset(offset);
LatLng map_latlng = latlng(px_size/2-coord.x, px_size/2-coord.y);
- File pngfile = MapFile(map_latlng.lat, map_latlng.lng, zoom);
- String pngurl = MapURL(map_latlng.lat, map_latlng.lng, zoom);
- loadMap(tile, pngfile, pngurl);
- return pngfile.toString();
+ File pngfile = MapFile(map_latlng.lat, map_latlng.lng, zoom, maptype);
+ String pngurl = MapURL(map_latlng.lat, map_latlng.lng, zoom, maptype);
+ load_map(tile, pngfile, pngurl, load_mode);
+ return pngfile;
}
public void initAndFinishMapAsync (final AltosSiteMapTile tile, final Point offset) {
Thread thread = new Thread() {
public void run() {
- initMap(offset);
+ init_map(offset, load_mode_cached|load_mode_uncached);
finishTileLater(tile, offset);
}
};
thread.start();
}
+ double lat, lon;
+ boolean base_location_set = false;
+
+ public void clear_base_location() {
+ base_location_set = false;
+ circle_set = false;
+ points = new LinkedList<MapPoint>();
+ for (AltosSiteMapTile tile : mapTiles.values())
+ tile.clearMap();
+ }
+
public void setBaseLocation(double lat, double lng) {
- for (Point k : mapTiles.keySet()) {
- AltosSiteMapTile tile = mapTiles.get(k);
+ this.lat = lat;
+ this.lon = lng;
+ base_location_set = true;
+ for (AltosSiteMapTile tile : mapTiles.values())
tile.clearMap();
- }
centre = getBaseLocation(lat, lng);
scrollRocketToVisible(pt(lat,lng));
Thread thread = new Thread() {
public void run() {
for (Point k : mapTiles.keySet())
- initMap(k);
+ init_map(k, load_mode_cached);
+ for (Point k : mapTiles.keySet())
+ init_map(k, load_mode_uncached);
}
};
thread.start();
}
- private static File MapFile(double lat, double lng, int zoom) {
+ private static File MapFile(double lat, double lng, int zoom, int maptype) {
char chlat = lat < 0 ? 'S' : 'N';
char chlng = lng < 0 ? 'W' : 'E';
if (lat < 0) lat = -lat;
if (lng < 0) lng = -lng;
+ String maptype_string = String.format("%s-", maptype_names[maptype]);
+ String format_string;
+ if (maptype == maptype_hybrid || maptype == maptype_satellite || maptype == maptype_terrain)
+ format_string = "jpg";
+ else
+ format_string = "png";
return new File(AltosUIPreferences.mapdir(),
- String.format("map-%c%.6f,%c%.6f-%d.png",
- chlat, lat, chlng, lng, zoom));
+ String.format("map-%c%.6f,%c%.6f-%s%d.%s",
+ chlat, lat, chlng, lng, maptype_string, zoom, format_string));
}
- private static String MapURL(double lat, double lng, int zoom) {
- return String.format("http://maps.google.com/maps/api/staticmap?center=%.6f,%.6f&zoom=%d&size=%dx%d&sensor=false&maptype=hybrid&format=png32", lat, lng, zoom, px_size, px_size);
+ private static String MapURL(double lat, double lng, int zoom, int maptype) {
+ String format_string;
+ if (maptype == maptype_hybrid || maptype == maptype_satellite || maptype == maptype_terrain)
+ format_string = "jpg";
+ else
+ format_string = "png32";
+ return String.format("http://maps.google.com/maps/api/staticmap?center=%.6f,%.6f&zoom=%d&size=%dx%d&sensor=false&maptype=%s&format=%s",
+ lat, lng, zoom, px_size, px_size, maptype_names[maptype], format_string);
}
boolean initialised = false;
- Point2D.Double last_pt = null;
+ MapPoint last_point = null;
int last_state = -1;
public void show(double lat, double lon) {
// initMaps(lat, lon);
// scrollRocketToVisible(pt(lat, lon));
}
- public void show(final AltosState state, final AltosListenerState listener_state) {
- // if insufficient gps data, nothing to update
- AltosGPS gps = state.gps;
- if (gps == null)
- return;
+ JLabel zoom_label;
- if (!gps.locked && gps.nsat < 4)
- return;
+ public void set_zoom_label() {
+ zoom_label.setText(String.format("- %d -", zoom - default_zoom));
+ }
- if (!initialised) {
- if (state.pad_lat != AltosLib.MISSING && state.pad_lon != AltosLib.MISSING) {
- initMaps(state.pad_lat, state.pad_lon);
- initialised = true;
- } else if (gps.lat != AltosLib.MISSING && gps.lon != AltosLib.MISSING) {
- initMaps(gps.lat, gps.lon);
- initialised = true;
- } else {
- return;
- }
+ public void set_zoom(int zoom) {
+ if (min_zoom <= zoom && zoom <= max_zoom) {
+ this.zoom = zoom;
+ if (base_location_set)
+ initMaps(lat, lon);
+ redraw();
+ set_zoom_label();
}
+ }
- final Point2D.Double pt = pt(gps.lat, gps.lon);
- if (last_pt == pt && last_state == state.state)
- return;
+ public int get_zoom() {
+ return zoom;
+ }
- if (last_pt == null) {
- last_pt = pt;
+ public void draw(MapPoint last_point, MapPoint point) {
+ boolean force_ensure = false;
+ if (last_point == null) {
+ force_ensure = true;
+ last_point = point;
}
+
+ Point2D.Double pt = pt(point.lat, point.lon);
+ Point2D.Double last_pt = pt(last_point.lat, last_point.lon);
+
boolean in_any = false;
for (Point offset : mapTiles.keySet()) {
AltosSiteMapTile tile = mapTiles.get(offset);
Point2D.Double ref, lref;
ref = translatePoint(pt, tileCoordOffset(offset));
lref = translatePoint(last_pt, tileCoordOffset(offset));
- tile.show(state, listener_state, lref, ref);
+ tile.show(point.state, lref, ref);
if (0 <= ref.x && ref.x < px_size)
if (0 <= ref.y && ref.y < px_size)
in_any = true;
lref = translatePoint(last_pt, tileCoordOffset(offset));
AltosSiteMapTile tile = createTile(offset);
- tile.show(state, listener_state, lref, ref);
+ tile.show(point.state, lref, ref);
initAndFinishMapAsync(tile, offset);
}
scrollRocketToVisible(pt);
- if (offset != tileOffset(last_pt)) {
+ if (force_ensure || offset != tileOffset(last_pt)) {
ensureTilesAround(offset);
}
+ }
+
+ public void redraw() {
+ MapPoint last_point = null;
+
+ for (MapPoint point : points) {
+ draw(last_point, point);
+ last_point = point;
+ }
+ if (circle_set)
+ draw_circle(circle_lat, circle_lon);
+ }
+
+ public void show(final AltosState state, final AltosListenerState listener_state) {
+ // if insufficient gps data, nothing to update
+ AltosGPS gps = state.gps;
+
+ if (gps == null)
+ return;
+
+ if (!gps.locked && gps.nsat < 4)
+ return;
+
+ if (!initialised) {
+ if (state.pad_lat != AltosLib.MISSING && state.pad_lon != AltosLib.MISSING) {
+ initMaps(state.pad_lat, state.pad_lon);
+ initialised = true;
+ } else if (gps.lat != AltosLib.MISSING && gps.lon != AltosLib.MISSING) {
+ initMaps(gps.lat, gps.lon);
+ initialised = true;
+ } else {
+ return;
+ }
+ }
- last_pt = pt;
- last_state = state.state;
+ MapPoint point = new MapPoint(gps.lat, gps.lon, state.state);
+
+ if (point.equals(last_point))
+ return;
+
+ points.add(point);
+
+ draw(last_point, point);
+
+ last_point = point;
}
public void centre(Point2D.Double pt) {
int dy = (int)copt.y - r.height/2 - r.y;
r.x += dx;
r.y += dy;
+ r.width = 1;
+ r.height = 1;
comp.scrollRectToVisible(r);
}
centre(pt(state.gps.lat, state.gps.lon));
}
+ private double circle_lat, circle_lon;
+ private boolean circle_set = false;
+
public void draw_circle(double lat, double lon) {
- final Point2D.Double pt = pt(lat, lon);
+ circle_lat = lat;
+ circle_lon = lon;
+ circle_set = true;
+
+ Point2D.Double pt = pt(lat, lon);
for (Point offset : mapTiles.keySet()) {
AltosSiteMapTile tile = mapTiles.get(offset);
private AltosSiteMapTile createTile(Point offset) {
AltosSiteMapTile tile = new AltosSiteMapTile(px_size);
+ tile.set_font(AltosUILib.value_font);
mapTiles.put(offset, tile);
return tile;
}
private void scrollRocketToVisible(Point2D.Double pt) {
Rectangle r = comp.getVisibleRect();
Point2D.Double copt = translatePoint(pt, tileCoordOffset(topleft));
+
int dx = (int)copt.x - r.width/2 - r.x;
int dy = (int)copt.y - r.height/2 - r.y;
if (Math.abs(dx) > r.width/4 || Math.abs(dy) > r.height/4) {
layout.setConstraints(tile, c);
comp.add(tile);
- if (review) {
- comp.scrollRectToVisible(r);
- }
+// if (review) {
+// comp.scrollRectToVisible(r);
+// }
}
private AltosSiteMap(boolean knowWhatYouAreDoing) {
JComponent comp = new JComponent() { };
private GridBagLayout layout = new GridBagLayout();
+ JScrollPane pane = new JScrollPane();
+
public AltosSiteMap(int in_radius) {
radius = in_radius;
addTileAt(t, offset);
}
}
- setViewportView(comp);
- setPreferredSize(new Dimension(500,500));
+ pane.setViewportView(comp);
+ pane.setPreferredSize(new Dimension(500,500));
+ pane.setVisible(true);
+ pane.setEnabled(true);
+
+ GridBagLayout my_layout = new GridBagLayout();
+
+ setLayout(my_layout);
+
+ GridBagConstraints c = new GridBagConstraints();
+ c.anchor = GridBagConstraints.CENTER;
+ c.fill = GridBagConstraints.BOTH;
+ c.gridx = 0;
+ c.gridy = 0;
+ c.gridwidth = 1;
+ c.gridheight = 10;
+ c.weightx = 1;
+ c.weighty = 1;
+ add(pane, c);
+
+ int y = 0;
+
+ zoom_label = new JLabel("", JLabel.CENTER);
+ set_zoom_label();
+
+ c = new GridBagConstraints();
+ c.anchor = GridBagConstraints.CENTER;
+ c.fill = GridBagConstraints.HORIZONTAL;
+ c.gridx = 1;
+ c.gridy = y++;
+ c.weightx = 0;
+ c.weighty = 0;
+ add(zoom_label, c);
+
+ JButton zoom_reset = new JButton("0");
+ zoom_reset.addActionListener(new ActionListener() {
+ public void actionPerformed(ActionEvent e) {
+ set_zoom(default_zoom);
+ }
+ });
+
+ c = new GridBagConstraints();
+ c.anchor = GridBagConstraints.CENTER;
+ c.fill = GridBagConstraints.HORIZONTAL;
+ c.gridx = 1;
+ c.gridy = y++;
+ c.weightx = 0;
+ c.weighty = 0;
+ add(zoom_reset, c);
+
+ JButton zoom_in = new JButton("+");
+ zoom_in.addActionListener(new ActionListener() {
+ public void actionPerformed(ActionEvent e) {
+ set_zoom(get_zoom() + 1);
+ }
+ });
+
+ c = new GridBagConstraints();
+ c.anchor = GridBagConstraints.CENTER;
+ c.fill = GridBagConstraints.HORIZONTAL;
+ c.gridx = 1;
+ c.gridy = y++;
+ c.weightx = 0;
+ c.weighty = 0;
+ add(zoom_in, c);
+
+ JButton zoom_out = new JButton("-");
+ zoom_out.addActionListener(new ActionListener() {
+ public void actionPerformed(ActionEvent e) {
+ set_zoom(get_zoom() - 1);
+ }
+ });
+ c = new GridBagConstraints();
+ c.anchor = GridBagConstraints.CENTER;
+ c.fill = GridBagConstraints.HORIZONTAL;
+ c.gridx = 1;
+ c.gridy = y++;
+ c.weightx = 0;
+ c.weighty = 0;
+ add(zoom_out, c);
+
+ final JComboBox<String> maptype_combo = new JComboBox<String>(maptype_labels);
+
+ maptype_combo.setEditable(false);
+ maptype_combo.setMaximumRowCount(maptype_combo.getItemCount());
+ maptype_combo.addItemListener(new ItemListener() {
+ public void itemStateChanged(ItemEvent e) {
+ maptype = maptype_combo.getSelectedIndex();
+ if (base_location_set)
+ initMaps(lat, lon);
+ redraw();
+ }
+ });
+
+ c = new GridBagConstraints();
+ c.anchor = GridBagConstraints.CENTER;
+ c.fill = GridBagConstraints.HORIZONTAL;
+ c.gridx = 1;
+ c.gridy = y++;
+ c.weightx = 0;
+ c.weighty = 0;
+ add(maptype_combo, c);
}
public AltosSiteMap() {
projects / fw / altos / commitdiff