/**
* @param name
* @param type
* @param pref
* @param service
*/
public Destination(String name, String type, Preferences pref, StorageService service) {
GpsParams params = service.getGpsParams();
mInited = false;
if (null != params) {
mLonInit = params.getLongitude();
mLatInit = params.getLatitude();
mInited = true;
}
mDbType = "";
mFound = mLooking = false;
mRunways = new LinkedList<Runway>();
mService = service;
mDataSource = mService.getDBResource();
mTrackShape = new TrackShape();
mPref = pref;
mEte = new String("--:--");
mEta = new String("--:--");
mEteSec = Long.MAX_VALUE;
mFuel = "-.-";
mFuelGallons = Float.MAX_VALUE;
mParams = new LinkedHashMap<String, String>();
mFreq = new LinkedHashMap<String, String>();
mAwos = new LinkedList<Awos>();
mAfdFound = null;
mName = name.toUpperCase(Locale.getDefault());
mDestType = type;
mLond = mLatd = 0;
}
/** Simple GPS destination. No db query required */
public Destination(StorageService service, double lon, double lat) {
GpsParams params = service.getGpsParams();
mPref = new Preferences(service.getApplicationContext());
if (null != params) {
mLonInit = params.getLongitude();
mLatInit = params.getLatitude();
} else {
mLonInit = lon;
mLatInit = lat;
}
mInited = true;
mService = service;
mDbType = GPS;
mFound = true;
mLooking = false;
mRunways = new LinkedList<Runway>();
mTrackShape = new TrackShape();
mEte = new String("--:--");
mEta = new String("--:--");
mFuel = new String("-.-");
mLond = lon;
mLatd = lat;
mParams = new LinkedHashMap<String, String>();
mFreq = new LinkedHashMap<String, String>();
mAwos = new LinkedList<Awos>();
mParams.put(DataBaseHelper.LONGITUDE, "" + mLond);
mParams.put(DataBaseHelper.LATITUDE, "" + mLatd);
mParams.put(DataBaseHelper.FACILITY_NAME, GPS);
addTime();
mTrackShape.updateShape(new GpsParams(getLocationInit()), Destination.this);
mAfdFound = null;
mName = Helper.truncGeo(lat) + "&" + Helper.truncGeo(lon);
mDestType = GPS;
}
/** @param params */
public void updateParams(GpsParams params) {
/*
* Comes from location manager
*/
mGpsParams = params;
updateCoordinates();
/*
* Database query for new location / pan location.
*/
if (mGpsTile != null) {
double offsets[] = new double[2];
/*
* No need to load tiles when we are on current tile
*/
if (mGpsTile.within(mGpsParams.getLongitude(), mGpsParams.getLatitude())) {
/*
* We are within same tile no need for query.
*/
offsets[0] = mGpsTile.getOffsetX(mGpsParams.getLongitude());
offsets[1] = mGpsTile.getOffsetY(mGpsParams.getLatitude());
mMovement = new Movement(offsets);
postInvalidate();
return;
}
}
loadTiles();
}
private void startClosestAirportTask(double x, double y) {
// We won't be doing the airport long press under certain circumstances
if (mDraw) {
return;
}
if (null != mClosestTask) {
mClosestTask.cancel(true);
}
mLongTouchDestination = null;
mClosestTask = new ClosestAirportTask();
double lon2, lat2;
if (mPref.isTrackUp()) {
double c_x = mOrigin.getOffsetX(mGpsParams.getLongitude());
double c_y = mOrigin.getOffsetY(mGpsParams.getLatitude());
double thetab = mGpsParams.getBearing();
double p[];
p = Helper.rotateCoord(c_x, c_y, thetab, x, y);
lon2 = mOrigin.getLongitudeOf(p[0]);
lat2 = mOrigin.getLatitudeOf(p[1]);
} else {
lon2 = mOrigin.getLongitudeOf(x);
lat2 = mOrigin.getLatitudeOf(y);
}
mClosestTask.execute(lon2, lat2);
}
/** @return */
private String getPriorityMessage() {
if (mPointProjection != null) {
String priorityMessage =
Helper.makeLine2(
mPointProjection.getDistance(),
Preferences.distanceConversionUnit,
mPointProjection.getGeneralDirectionFrom(mGpsParams.getDeclinition()),
mPointProjection.getBearing(),
mGpsParams.getDeclinition());
return priorityMessage;
}
return null;
}
/** Function that loads new tiles in background */
private void loadTiles() {
if (mService == null) {
return;
}
if (mImageDataSource == null) {
return;
}
TileMap map = mService.getTiles();
map.loadTiles(
mGpsParams.getLongitude(),
mGpsParams.getLatitude(),
mPan,
mMacro,
mScale,
mGpsParams.getBearing(),
new GenericCallback() {
@Override
public Object callback(Object map, Object tu) {
TileMap.TileUpdate t = (TileMap.TileUpdate) tu;
((TileMap) map).flip();
/*
* Set move with pan after new tiles are finally loaded
*/
mPan.setMove(
(float) (mPan.getMoveX() * t.factor), (float) (mPan.getMoveY() * t.factor));
int index = Integer.parseInt(mPref.getChartType());
String type = Boundaries.getChartType(index);
mGpsTile = t.gpsTile;
mOnChart = type + "\n" + t.chart;
/*
* And pan
*/
mPan.setTileMove(t.movex, t.movey);
mMovement = new Movement(t.offsets);
mService.setMovement(mMovement);
mMacro = mScale.getMacroFactor();
mScale.updateMacro();
updateCoordinates();
invalidate();
return null;
}
});
}
public long getVerticalSpeedToNoFmt(GpsParams gpsParams) {
double altAbove = getAltitudeAboveDest(gpsParams);
double time = (mDistance / gpsParams.getSpeed()) * 60;
if (altAbove == 0 || time == 0) {
return 0;
}
return -Math.round(altAbove / time);
}
/**
* @param canvas
* @param ctx
*/
private void drawAircraft(Canvas canvas, DrawingContext ctx) {
mPaint.setShadowLayer(0, 0, 0, 0);
mPaint.setColor(Color.WHITE);
if (null != mAirplaneBitmap && null == mPointProjection) {
/*
* Rotate and move to a panned location
*/
BitmapHolder.rotateBitmapIntoPlace(
mAirplaneBitmap,
(float) mGpsParams.getBearing(),
mGpsParams.getLongitude(),
mGpsParams.getLatitude(),
true,
mOrigin);
canvas.drawBitmap(mAirplaneBitmap.getBitmap(), mAirplaneBitmap.getTransform(), mPaint);
}
}
/**
* * Calculate the glideslope given our current position/altitude and the position/elevation of
* the target airport
*
* @param gpsParams where we are
* @param dest what our destination is
*/
public void calcGlideSlope(GpsParams gpsParams, Destination dest) {
// Show no vertical offset by default
mDspOffset = 0;
mBackColor = mColorOn;
// If either of these objects are null, there is nothing
// we can do
if (dest == null || gpsParams == null) {
mShow = false;
return;
}
// Fetch the elevation of our destination. If we can't find it
// then we don't want to display any vertical information
double destElev = dest.getElevation();
if (destElev == -200) {
mShow = false;
return;
}
// Calculate our relative AGL compared to destination. If we are
// lower then no display info
double relativeAGL = gpsParams.getAltitude() - destElev;
// Convert the destination distance to feet.
double destDist = dest.getDistance();
double destInFeet = mConvertToFt * destDist;
// Figure out our glide slope now based on our AGL height and distance
mGlideSlope = Math.toDegrees(Math.atan(relativeAGL / destInFeet));
// Set the color of the glide slope background. According to the AIM,
//
if (mGlideSlope < (3 - BAR_DEGREES)) {
mBackColor = mColorLow;
} else if (mGlideSlope > (3 + BAR_DEGREES)) {
mBackColor = mColorHigh;
}
// Calculate the vertical display offset of the indicator
// Anything greater/equal to 3.7 pegs at the top
// Anything less/equal to 2.3 pegs at the bottom
// all others scale in between based upon instrument height
double fullDeflection = mInstHeight / 2 - mBarHeight * 1.5;
if (mGlideSlope >= 3.7) {
mDspOffset = -(int) fullDeflection;
} else if (mGlideSlope <= 2.3) {
mDspOffset = (int) fullDeflection;
} else {
mDspOffset =
-(int) ((((mGlideSlope - 3) / BAR_DEGREES)) * (fullDeflection / ((mBarCount - 1) / 2)));
}
mShow = true;
}
/**
* * Draw the edge distance markers if configured to do so
*
* @param canvas what to draw them on
*/
private void drawEdgeMarkers(Canvas canvas) {
if (mPref.isShowEdgeTape()) {
if (mPointProjection == null) {
int x = (int) (mOrigin.getOffsetX(mGpsParams.getLongitude()));
int y = (int) (mOrigin.getOffsetY(mGpsParams.getLatitude()));
float pixPerNm = mOrigin.getPixelsInNmAtLatitude(1, mGpsParams.getLatitude());
mService
.getEdgeTape()
.draw(
canvas,
mScale,
pixPerNm,
x,
y,
(int) mService.getInfoLines().getHeight(),
getWidth(),
getHeight());
}
}
}
public double getAltitudeAboveDest(GpsParams gpsParams) {
double height = gpsParams.getAltitude();
if (mDestType.equals(BASE)) {
try {
/*
* For bases, go to pattern altitude
*/
String pa = mParams.get("Pattern Altitude");
height -= Double.parseDouble(pa);
} catch (Exception e) {
}
} else {
/*
* Only for airport
*/
return 0;
}
return height;
}
/**
* Update the current speed, lat, lon, that will update ETA, distance and bearing to the
* destination
*
* @param params
*/
public void updateTo(GpsParams params) {
/*
*/
double mLon = params.getLongitude();
double mLat = params.getLatitude();
double speed = params.getSpeed();
mDeclination = params.getDeclinition();
if (!mFound) {
return;
}
if (!mInited) {
mLonInit = mLon;
mLatInit = mLat;
mInited = true;
}
/*
* Project and find distance
*/
Projection p = new Projection(mLon, mLat, mLond, mLatd);
mDistance = p.getDistance();
mBearing = p.getBearing();
// in flying mode, calculate time based on ground speed from GPS
mGroundSpeed = speed;
mWca = 0;
mCrs = mBearing;
if (mPref.isSimulationMode()) {
double ws = 0;
double wd = 0;
if (mWinds != null) {
double winds[] = mWinds.getWindAtAltitude(params.getAltitude());
ws = winds[0];
wd = winds[1];
}
// in sim mode, do planning with winds
speed = mPref.getAircraftTAS(); // in sim mode, use preferred TAS
// from aviation formulary
double hd = mBearing;
mGroundSpeed =
Math.sqrt(
ws * ws + speed * speed - 2 * ws * speed * Math.cos((hd - wd) * Math.PI / 180.0));
mWca =
-Math.toDegrees(
Math.atan2(
ws * Math.sin((hd - wd) * Math.PI / 180.0),
speed - ws * Math.cos((hd - wd) * Math.PI / 180.0)));
mCrs = (hd + mWca + 360) % 360;
} else if (mPref.useBearingForETEA() && (!mService.getPlan().isActive())) {
// This is just when we have a destination set and no plan is active
// We can't assume that we are heading DIRECTLY for the destination, so
// we need to figure out the multiply factor by taking the COS of the difference
// between the bearing and the heading.
double angDif = Helper.angularDifference(params.getBearing(), mBearing);
double xFactor = 1;
// If the difference is 90 or greater, then ETE means nothing as we are not
// closing on the target
if (angDif < 90) {
// Calculate the actual relative speed closing on the target
xFactor = Math.cos(angDif * Math.PI / 180);
}
mGroundSpeed *= xFactor;
}
/*
* ETA when speed != 0
*/
mEte = Helper.calculateEte(mDistance, mGroundSpeed, 0, true);
if (mGroundSpeed == 0) {
mEteSec = Long.MAX_VALUE;
mFuelGallons = Float.MAX_VALUE;
mFuel = "-.-";
} else {
mEteSec = (long) (mDistance / mGroundSpeed * 3600);
mFuelGallons = (float) mEteSec / 3600 * mPref.getFuelBurn();
mFuel = String.valueOf((float) Math.round(mFuelGallons * 10.f) / 10.f);
}
// Calculate the time of arrival at our destination. We SHOULD be taking in to account
// the timezone at that location
mEta = Helper.calculateEta(Calendar.getInstance().getTimeZone(), mDistance, mGroundSpeed);
}
/** @param canvas Does pretty much all drawing on screen */
private void drawMap(Canvas canvas) {
if (mService == null) {
return;
}
// If our track is supposed to be at the top, save the current
// canvas and rotate it based upon our bearing if we have one
boolean bRotated = false;
if (mPref.isTrackUp() && (mGpsParams != null)) {
bRotated = true;
canvas.save();
/*
* Rotate around current position
*/
float x = (float) mOrigin.getOffsetX(mGpsParams.getLongitude());
float y = (float) mOrigin.getOffsetY(mGpsParams.getLatitude());
canvas.rotate(-(int) mGpsParams.getBearing(), x, y);
}
DrawingContext ctx = new DrawingContext();
ctx.service = mService;
ctx.canvas = canvas;
ctx.context = mContext;
ctx.dip2pix = mDipToPix;
ctx.movement = mMovement;
ctx.origin = mOrigin;
ctx.paint = mPaint;
ctx.textPaint = mMsgPaint;
ctx.scale = mScale;
ctx.pan = mPan;
ctx.pref = mPref;
ctx.runwayPaint = mRunwayPaint;
ctx.view = this;
// Call the draw routines for the items that rotate with
// the chart
drawTiles(canvas, ctx);
drawLayers(canvas, ctx);
drawDrawing(canvas, ctx);
drawCapGrids(canvas, ctx);
drawTraffic(canvas, ctx);
drawTFR(canvas, ctx);
drawGameTFRs(ctx);
drawShapes(canvas, ctx);
drawAirSigMet(canvas, ctx);
drawTracks(canvas, ctx);
drawTrack(canvas, ctx);
drawRunways(canvas, ctx);
drawAircraft(canvas, ctx);
drawUserDefinedWaypoints(canvas, ctx);
// Restore the canvas to be upright again
if (true == bRotated) {
canvas.restore();
}
// Now draw the items that do NOT rotate with the chart
drawDistanceRings(canvas);
drawCDI(canvas);
drawVASI(canvas);
drawStatusLines(canvas);
drawEdgeMarkers(canvas); // Must be after the infolines
drawNavComments(canvas);
}
/* (non-Javadoc)
* @see com.ds.avare.MultiTouchController.MultiTouchObjectCanvas#setPositionAndScale(java.lang.Object, com.ds.avare.MultiTouchController.PositionAndScale, com.ds.avare.MultiTouchController.PointInfo)
*/
public boolean setPositionAndScale(
Object obj, PositionAndScale newObjPosAndScale, PointInfo touchPoint) {
touchPointChanged(touchPoint);
if (false == mCurrTouchPoint.isMultiTouch()) {
/*
* Do not move on drag
*/
if (mDragPlanPoint >= 0) {
return true;
}
/*
* Do not move on multitouch
*/
if (mDraw && mService != null) {
float x = mCurrTouchPoint.getX() * mScale.getScaleFactor();
float y = mCurrTouchPoint.getY() * mScale.getScaleFactor();
/*
* Threshold the drawing so we do not generate too many points
*/
if (mPref.isTrackUp()) {
double thetab = mGpsParams.getBearing();
double p[] = new double[2];
double c_x = mOrigin.getOffsetX(mGpsParams.getLongitude());
double c_y = mOrigin.getOffsetY(mGpsParams.getLatitude());
p = Helper.rotateCoord(c_x, c_y, thetab, x, y);
mService.getDraw().addPoint((float) p[0], (float) p[1], mOrigin);
} else {
mService.getDraw().addPoint(x, y, mOrigin);
}
return true;
}
// Pan
if (mPan.setMove(newObjPosAndScale.getXOff(), newObjPosAndScale.getYOff())) {
/*
* Query when we have moved one tile. This will happen in background.
*/
loadTiles();
}
} else {
// Zooming does not change drag
mDragPlanPoint = -1;
/*
* on double touch find distance and bearing between two points.
*/
if (mPointProjection == null) {
double x0 = mCurrTouchPoint.getXs()[0];
double y0 = mCurrTouchPoint.getYs()[0];
double x1 = mCurrTouchPoint.getXs()[1];
double y1 = mCurrTouchPoint.getYs()[1];
double lon0, lat0, lon1, lat1;
// convert to origin coord if Trackup
if (mPref.isTrackUp()) {
double c_x = mOrigin.getOffsetX(mGpsParams.getLongitude());
double c_y = mOrigin.getOffsetY(mGpsParams.getLatitude());
double thetab = mGpsParams.getBearing();
double p0[], p1[];
p0 = Helper.rotateCoord(c_x, c_y, thetab, x0, y0);
p1 = Helper.rotateCoord(c_x, c_y, thetab, x1, y1);
lon0 = mOrigin.getLongitudeOf(p0[0]);
lat0 = mOrigin.getLatitudeOf(p0[1]);
lon1 = mOrigin.getLongitudeOf(p1[0]);
lat1 = mOrigin.getLatitudeOf(p1[1]);
} else {
lon0 = mOrigin.getLongitudeOf(x0);
lat0 = mOrigin.getLatitudeOf(y0);
lon1 = mOrigin.getLongitudeOf(x1);
lat1 = mOrigin.getLatitudeOf(y1);
}
mPointProjection = new Projection(lon0, lat0, lon1, lat1);
}
/*
* Clamp scaling.
*/
mScale.setScaleFactor(newObjPosAndScale.getScale());
}
updateCoordinates();
invalidate();
return true;
}
