private void transformSegmentToCanvasDots() {
Cursor trackCursor = null;
GeoPoint geoPoint;
mCalculatedPoints = 0;
setStepSize();
step = 0;
try {
trackCursor =
this.mResolver.query(
this.mSegmentUri,
new String[] {Waypoints.LATITUDE, Waypoints.LONGITUDE, Waypoints.ACCURACY},
null,
null,
null);
if (trackCursor.moveToFirst()) {
// Start point of the segments, possible a dot
this.mStartPoint = extractGeoPoint(trackCursor);
moveToGeoPoint(this.mStartPoint);
Paint radiusPaint = new Paint();
radiusPaint.setColor(Color.YELLOW);
radiusPaint.setAlpha(100);
do {
geoPoint = extractGeoPoint(trackCursor);
Point out = new Point();
mProjection.toPixels(geoPoint, out);
mCalculatedPoints++;
Bitmap bitmap =
BitmapFactory.decodeResource(this.mContext.getResources(), R.drawable.stip2);
this.mCanvas.drawBitmap(bitmap, out.x - 8, out.y - 8, new Paint());
float radius = mProjection.metersToEquatorPixels(trackCursor.getFloat(2));
if (radius > 8f) {
this.mCanvas.drawCircle(out.x, out.y, radius, radiusPaint);
}
this.mPrevScreenPoint.x = this.mScreenPoint.x;
this.mPrevScreenPoint.y = this.mScreenPoint.y;
} while (moveToNextWayPoint(trackCursor));
// End point of the segments, possible a dot
this.mEndPoint = extractGeoPoint(trackCursor);
}
} finally {
if (trackCursor != null) {
trackCursor.close();
}
}
// Log.d( TAG, "transformSegmentToPath stop: points "+mCalculatedPoints );
}
private void calculateDots() {
mPathCalculation.reset();
mDotPathCalculation.clear();
if (mWaypointsCursor == null) {
mWaypointsCursor =
this.mResolver.query(
this.mWaypointsUri,
new String[] {
Waypoints.LATITUDE,
Waypoints.LONGITUDE,
Waypoints.SPEED,
Waypoints.TIME,
Waypoints.ACCURACY
},
null,
null,
null);
}
if (mRequeryFlag) {
mWaypointsCursor.requery();
mRequeryFlag = false;
}
if (mProjection != null && mWaypointsCursor.moveToFirst()) {
GeoPoint geoPoint;
mStartPoint = extractGeoPoint();
mPrevGeoPoint = mStartPoint;
do {
geoPoint = extractGeoPoint();
// Do no include log wrong 0.0 lat 0.0 long, skip to next value in while-loop
if (geoPoint.getLatitudeE6() == 0 || geoPoint.getLongitudeE6() == 0) {
continue;
}
setScreenPoint(geoPoint);
float distance = (float) distanceInPoints(this.mPrevDrawnScreenPoint, this.mScreenPoint);
if (distance > MINIMUM_PX_DISTANCE) {
DotVO dotVO = new DotVO();
dotVO.x = this.mScreenPoint.x;
dotVO.y = this.mScreenPoint.y;
dotVO.speed = mWaypointsCursor.getLong(2);
dotVO.time = mWaypointsCursor.getLong(3);
dotVO.radius = mProjection.metersToEquatorPixels(mWaypointsCursor.getFloat(4));
mDotPathCalculation.add(dotVO);
this.mPrevDrawnScreenPoint.x = this.mScreenPoint.x;
this.mPrevDrawnScreenPoint.y = this.mScreenPoint.y;
}
} while (moveToNextWayPoint());
this.mEndPoint = extractGeoPoint();
DotVO pointVO = new DotVO();
pointVO.x = this.mScreenPoint.x;
pointVO.y = this.mScreenPoint.y;
pointVO.speed = mWaypointsCursor.getLong(2);
pointVO.time = mWaypointsCursor.getLong(3);
pointVO.radius = mProjection.metersToEquatorPixels(mWaypointsCursor.getFloat(4));
mDotPathCalculation.add(pointVO);
}
}