package tim.prune.data;
+import java.util.List;
+
import tim.prune.UpdateMessageBroker;
+import tim.prune.function.edit.FieldEdit;
+import tim.prune.function.edit.FieldEditList;
+import tim.prune.gui.map.MapUtils;
/**
*/
public class Track
{
- // Broker object
- UpdateMessageBroker _broker = null;
// Data points
private DataPoint[] _dataPoints = null;
// Scaled x, y values
private double[] _yValues = null;
private boolean _scaled = false;
private int _numPoints = 0;
- private boolean _mixedData = false;
+ private boolean _hasTrackpoint = false;
+ private boolean _hasWaypoint = false;
// Master field list
private FieldList _masterFieldList = null;
// variable ranges
- private AltitudeRange _altitudeRange = null;
private DoubleRange _latRange = null, _longRange = null;
private DoubleRange _xRange = null, _yRange = null;
/**
- * Constructor giving arrays of Fields and Objects
- * @param inFieldArray field array
- * @param inPointArray 2d array of field values
+ * Constructor for empty track
*/
- public Track(UpdateMessageBroker inBroker)
+ public Track()
{
- _broker = inBroker;
// create field list
_masterFieldList = new FieldList(null);
// make empty DataPoint array
_scaled = false;
}
+ /**
+ * Constructor using fields and points from another Track
+ * @param inFieldList Field list from another Track object
+ * @param inPoints (edited) point array
+ */
+ public Track(FieldList inFieldList, DataPoint[] inPoints)
+ {
+ _masterFieldList = inFieldList;
+ _dataPoints = inPoints;
+ if (_dataPoints == null) _dataPoints = new DataPoint[0];
+ _numPoints = _dataPoints.length;
+ _scaled = false;
+ }
/**
* Load method, for initialising and reinitialising data
* @param inFieldArray array of Field objects describing fields
* @param inPointArray 2d object array containing data
- * @param inAltFormat altitude format
+ * @param inOptions load options such as units
*/
- public void load(Field[] inFieldArray, Object[][] inPointArray, int inAltFormat)
+ public void load(Field[] inFieldArray, Object[][] inPointArray, PointCreateOptions inOptions)
{
+ if (inFieldArray == null || inPointArray == null)
+ {
+ _numPoints = 0;
+ return;
+ }
// copy field list
_masterFieldList = new FieldList(inFieldArray);
// make DataPoint object from each point in inPointList
{
dataArray = (String[]) inPointArray[p];
// Convert to DataPoint objects
- DataPoint point = new DataPoint(dataArray, _masterFieldList, inAltFormat);
+ DataPoint point = new DataPoint(dataArray, _masterFieldList, inOptions);
if (point.isValid())
{
_dataPoints[pointIndex] = point;
pointIndex++;
}
+ else
+ {
+ // TODO: Maybe report this somehow?
+ // System.out.println("point is not valid!");
+ }
}
_numPoints = pointIndex;
+ // Set first track point to be start of segment
+ DataPoint firstTrackPoint = getNextTrackPoint(0);
+ if (firstTrackPoint != null) {
+ firstTrackPoint.setSegmentStart(true);
+ }
+ // needs to be scaled
+ _scaled = false;
+ }
+
+
+ /**
+ * Load the track by transferring the contents from a loaded Track object
+ * @param inOther Track object containing loaded data
+ */
+ public void load(Track inOther)
+ {
+ _numPoints = inOther._numPoints;
+ _masterFieldList = inOther._masterFieldList;
+ _dataPoints = inOther._dataPoints;
// needs to be scaled
_scaled = false;
}
+ /**
+ * Request that a rescale be done to recalculate derived values
+ */
+ public void requestRescale()
+ {
+ _scaled = false;
+ }
+
+ /**
+ * Extend the track's field list with the given additional fields
+ * @param inFieldList list of fields to be added
+ */
+ public void extendFieldList(FieldList inFieldList)
+ {
+ _masterFieldList = _masterFieldList.merge(inFieldList);
+ }
////////////////// Modification methods //////////////////////
/**
* Combine this Track with new data
- * @param inOtherTrack
+ * @param inOtherTrack other track to combine
*/
public void combine(Track inOtherTrack)
{
// needs to be scaled again
_scaled = false;
// inform listeners
- _broker.informSubscribers();
+ UpdateMessageBroker.informSubscribers();
}
_numPoints = inNewSize;
// needs to be scaled again
_scaled = false;
- _broker.informSubscribers();
+ UpdateMessageBroker.informSubscribers();
}
}
/**
- * Compress the track to the given resolution
- * @param inResolution resolution
+ * Delete the points marked for deletion
+ * @param inSplitSegments true to split segments at deleted points
* @return number of points deleted
*/
- public int compress(int inResolution)
+ public int deleteMarkedPoints(boolean inSplitSegments)
{
- // (maybe should be separate thread?)
- // (maybe should be in separate class?)
- // (maybe should be based on subtended angles instead of distances?)
-
- if (inResolution <= 0) return 0;
int numCopied = 0;
- // Establish range of track and minimum range between points
- scalePoints();
- double wholeScale = _xRange.getMaximum() - _xRange.getMinimum();
- double yscale = _yRange.getMaximum() - _yRange.getMinimum();
- if (yscale > wholeScale) wholeScale = yscale;
- double minDist = wholeScale / inResolution;
-
- // Copy selected points
+ // Copy selected points into a new point array
DataPoint[] newPointArray = new DataPoint[_numPoints];
- int[] pointIndices = new int[_numPoints];
+ boolean prevPointDeleted = false;
for (int i=0; i<_numPoints; i++)
{
- boolean keepPoint = true;
- if (!_dataPoints[i].isWaypoint())
+ DataPoint point = _dataPoints[i];
+ // Don't delete photo points
+ if (point.hasMedia() || !point.getDeleteFlag())
{
- // go through newPointArray to check for range
- for (int j=0; j<numCopied && keepPoint; j++)
- {
- // calculate distance between point j and current point
- double pointDist = Math.abs(_xValues[i] - _xValues[pointIndices[j]])
- + Math.abs(_yValues[i] - _yValues[pointIndices[j]]);
- if (pointDist < minDist)
- keepPoint = false;
+ if (prevPointDeleted && inSplitSegments) {
+ point.setSegmentStart(true);
}
- }
- if (keepPoint)
- {
- newPointArray[numCopied] = _dataPoints[i];
- pointIndices[numCopied] = i;
+ newPointArray[numCopied] = point;
numCopied++;
+ prevPointDeleted = false;
+ }
+ else {
+ prevPointDeleted = true;
}
}
System.arraycopy(newPointArray, 0, _dataPoints, 0, numCopied);
_numPoints = _dataPoints.length;
_scaled = false;
- _broker.informSubscribers();
}
return numDeleted;
}
- /**
- * Halve the track by deleting alternate points
- * @return number of points deleted
- */
- public int halve()
- {
- if (_numPoints < 100) return 0;
- int newSize = _numPoints / 2;
- int numDeleted = _numPoints - newSize;
- DataPoint[] newPointArray = new DataPoint[newSize];
- // Delete alternate points
- for (int i=0; i<newSize; i++)
- newPointArray[i] = _dataPoints[i*2];
- // Copy array references
- _dataPoints = newPointArray;
- _numPoints = _dataPoints.length;
- _scaled = false;
- _broker.informSubscribers();
- return numDeleted;
- }
-
-
/**
* Delete the specified point
+ * @param inIndex point index
* @return true if successful
*/
public boolean deletePoint(int inIndex)
// no valid range selected so can't delete
return false;
}
+ // check through range to be deleted, and see if any new segment flags present
+ boolean hasSegmentStart = false;
+ DataPoint nextTrackPoint = getNextTrackPoint(inEnd+1);
+ if (nextTrackPoint != null) {
+ for (int i=inStart; i<=inEnd && !hasSegmentStart; i++) {
+ hasSegmentStart |= _dataPoints[i].getSegmentStart();
+ }
+ // If segment break found, make sure next trackpoint also has break
+ if (hasSegmentStart) {nextTrackPoint.setSegmentStart(true);}
+ }
// valid range, let's delete it
int numToDelete = inEnd - inStart + 1;
DataPoint[] newPointArray = new DataPoint[_numPoints - numToDelete];
System.arraycopy(_dataPoints, inEnd + 1, newPointArray, inStart,
_numPoints - inEnd - 1);
}
- // Copy points over original array (careful!)
+ // Copy points over original array
_dataPoints = newPointArray;
_numPoints -= numToDelete;
// needs to be scaled again
}
- /**
- * Delete all the duplicate points in the track
- * @return number of points deleted
- */
- public int deleteDuplicates()
- {
- // loop through Track counting duplicates first
- boolean[] dupes = new boolean[_numPoints];
- int numDupes = 0;
- int i, j;
- for (i=1; i<_numPoints; i++)
- {
- DataPoint p1 = _dataPoints[i];
- // Loop through all points before this one
- for (j=0; j<i && !dupes[i]; j++)
- {
- DataPoint p2 = _dataPoints[j];
- if (p1.isDuplicate(p2))
- {
- dupes[i] = true;
- numDupes++;
- }
- }
- }
- if (numDupes > 0)
- {
- // Make new resized array and copy DataPoints over
- DataPoint[] newPointArray = new DataPoint[_numPoints - numDupes];
- j = 0;
- for (i=0; i<_numPoints; i++)
- {
- if (!dupes[i])
- {
- newPointArray[j] = _dataPoints[i];
- j++;
- }
- }
- // Copy array references
- _dataPoints = newPointArray;
- _numPoints = _dataPoints.length;
- _scaled = false;
- _broker.informSubscribers();
- }
- return numDupes;
- }
-
-
/**
* Reverse the specified range of points
+ * @param inStart start index
+ * @param inEnd end index
* @return true if successful, false otherwise
*/
public boolean reverseRange(int inStart, int inEnd)
_dataPoints[inStart + i] = _dataPoints[inEnd - i];
_dataPoints[inEnd - i] = p;
}
+ // adjust segment starts
+ shiftSegmentStarts(inStart, inEnd);
+ // Find first track point and following track point, and set segment starts to true
+ DataPoint firstTrackPoint = getNextTrackPoint(inStart);
+ if (firstTrackPoint != null) {firstTrackPoint.setSegmentStart(true);}
+ DataPoint nextTrackPoint = getNextTrackPoint(inEnd+1);
+ if (nextTrackPoint != null) {nextTrackPoint.setSegmentStart(true);}
// needs to be scaled again
_scaled = false;
- _broker.informSubscribers();
+ UpdateMessageBroker.informSubscribers();
return true;
}
/**
- * Collect all waypoints to the start or end of the track
- * @param inAtStart true to collect at start, false for end
- * @return true if successful, false if no change
+ * Add the given time offset to the specified range
+ * @param inStart start of range
+ * @param inEnd end of range
+ * @param inOffset offset to add (-ve to subtract)
+ * @param inUndo true for undo operation
+ * @return true on success
*/
- public boolean collectWaypoints(boolean inAtStart)
+ public boolean addTimeOffsetSeconds(int inStart, int inEnd, long inOffset, boolean inUndo)
{
- // Check for mixed data, numbers of waypoints & nons
- int numWaypoints = 0, numNonWaypoints = 0;
- boolean wayAfterNon = false, nonAfterWay = false;
- DataPoint[] waypoints = new DataPoint[_numPoints];
- DataPoint[] nonWaypoints = new DataPoint[_numPoints];
- DataPoint point = null;
- for (int i=0; i<_numPoints; i++)
+ // sanity check
+ if (inStart < 0 || inEnd < 0 || inStart >= inEnd || inEnd >= _numPoints) {
+ return false;
+ }
+ boolean foundTimestamp = false;
+ // Loop over all points within range
+ for (int i=inStart; i<=inEnd; i++)
{
- point = _dataPoints[i];
- if (point.isWaypoint())
+ DataPoint p = _dataPoints[i];
+ if (p != null && p.hasTimestamp())
{
- waypoints[numWaypoints] = point;
- numWaypoints++;
- wayAfterNon |= (numNonWaypoints > 0);
+ // This point has a timestamp so add the offset to it
+ foundTimestamp = true;
+ p.addTimeOffsetSeconds(inOffset);
+ p.setModified(inUndo);
}
- else
- {
- nonWaypoints[numNonWaypoints] = point;
- numNonWaypoints++;
- nonAfterWay |= (numWaypoints > 0);
- }
- }
- // Exit if the data is already in the specified order
- if (numWaypoints == 0 || numNonWaypoints == 0
- || (inAtStart && !wayAfterNon && nonAfterWay)
- || (!inAtStart && wayAfterNon && !nonAfterWay))
- {
- return false;
}
+ return foundTimestamp;
+ }
- // Copy the arrays back into _dataPoints in the specified order
- if (inAtStart)
- {
- System.arraycopy(waypoints, 0, _dataPoints, 0, numWaypoints);
- System.arraycopy(nonWaypoints, 0, _dataPoints, numWaypoints, numNonWaypoints);
+ /**
+ * Add the given altitude offset to the specified range
+ * @param inStart start of range
+ * @param inEnd end of range
+ * @param inOffset offset to add (-ve to subtract)
+ * @param inUnit altitude unit of offset
+ * @param inDecimals number of decimal places in offset
+ * @return true on success
+ */
+ public boolean addAltitudeOffset(int inStart, int inEnd, double inOffset,
+ Unit inUnit, int inDecimals)
+ {
+ // sanity check
+ if (inStart < 0 || inEnd < 0 || inStart >= inEnd || inEnd >= _numPoints) {
+ return false;
}
- else
+ boolean foundAlt = false;
+ // Loop over all points within range
+ for (int i=inStart; i<=inEnd; i++)
{
- System.arraycopy(nonWaypoints, 0, _dataPoints, 0, numNonWaypoints);
- System.arraycopy(waypoints, 0, _dataPoints, numNonWaypoints, numWaypoints);
+ DataPoint p = _dataPoints[i];
+ if (p != null && p.hasAltitude())
+ {
+ // This point has an altitude so add the offset to it
+ foundAlt = true;
+ p.addAltitudeOffset(inOffset, inUnit, inDecimals);
+ p.setModified(false);
+ }
}
// needs to be scaled again
_scaled = false;
- _broker.informSubscribers();
- return true;
+ return foundAlt;
}
_dataPoints = dataCopy;
// needs to be scaled again to recalc x, y
_scaled = false;
- _broker.informSubscribers();
+ UpdateMessageBroker.informSubscribers();
return true;
}
+ /**
+ * Cut and move the specified section
+ * @param inSectionStart start index of section
+ * @param inSectionEnd end index of section
+ * @param inMoveTo index of move to point
+ * @return true if move successful
+ */
+ public boolean cutAndMoveSection(int inSectionStart, int inSectionEnd, int inMoveTo)
+ {
+ // TODO: Move cut/move into separate function?
+ // Check that indices make sense
+ if (inSectionStart >= 0 && inSectionEnd > inSectionStart && inMoveTo >= 0
+ && (inMoveTo < inSectionStart || inMoveTo > (inSectionEnd+1)))
+ {
+ // do the cut and move
+ DataPoint[] newPointArray = new DataPoint[_numPoints];
+ // System.out.println("Cut/move section (" + inSectionStart + " - " + inSectionEnd + ") to before point " + inMoveTo);
+ // Is it a forward copy or a backward copy?
+ if (inSectionStart > inMoveTo)
+ {
+ int sectionLength = inSectionEnd - inSectionStart + 1;
+ // move section to earlier point
+ if (inMoveTo > 0) {
+ System.arraycopy(_dataPoints, 0, newPointArray, 0, inMoveTo); // unchanged points before
+ }
+ System.arraycopy(_dataPoints, inSectionStart, newPointArray, inMoveTo, sectionLength); // moved bit
+ // after insertion point, before moved bit
+ System.arraycopy(_dataPoints, inMoveTo, newPointArray, inMoveTo + sectionLength, inSectionStart - inMoveTo);
+ // after moved bit
+ if (inSectionEnd < (_numPoints - 1)) {
+ System.arraycopy(_dataPoints, inSectionEnd+1, newPointArray, inSectionEnd+1, _numPoints - inSectionEnd - 1);
+ }
+ }
+ else
+ {
+ // Move section to later point
+ if (inSectionStart > 0) {
+ System.arraycopy(_dataPoints, 0, newPointArray, 0, inSectionStart); // unchanged points before
+ }
+ // from end of section to move to point
+ if (inMoveTo > (inSectionEnd + 1)) {
+ System.arraycopy(_dataPoints, inSectionEnd+1, newPointArray, inSectionStart, inMoveTo - inSectionEnd - 1);
+ }
+ // moved bit
+ System.arraycopy(_dataPoints, inSectionStart, newPointArray, inSectionStart + inMoveTo - inSectionEnd - 1,
+ inSectionEnd - inSectionStart + 1);
+ // unchanged bit after
+ if (inSectionEnd < (_numPoints - 1)) {
+ System.arraycopy(_dataPoints, inMoveTo, newPointArray, inMoveTo, _numPoints - inMoveTo);
+ }
+ }
+ // Copy array references
+ _dataPoints = newPointArray;
+ _scaled = false;
+ return true;
+ }
+ return false;
+ }
+
+
/**
* Interpolate extra points between two selected ones
* @param inStartIndex start index of interpolation
// Make array of points to insert
DataPoint[] insertedPoints = startPoint.interpolate(endPoint, inNumPoints);
-
+
// Insert points into track
- insertRange(insertedPoints, inStartIndex + 1);
- return true;
+ return insertRange(insertedPoints, inStartIndex + 1);
+ }
+
+
+ /**
+ * Average selected points
+ * @param inStartIndex start index of selection
+ * @param inEndIndex end index of selection
+ * @return true if successful
+ */
+ public boolean average(int inStartIndex, int inEndIndex)
+ {
+ // check parameters
+ if (inStartIndex < 0 || inStartIndex >= _numPoints || inEndIndex <= inStartIndex)
+ return false;
+
+ DataPoint startPoint = getPoint(inStartIndex);
+ double firstLatitude = startPoint.getLatitude().getDouble();
+ double firstLongitude = startPoint.getLongitude().getDouble();
+ double latitudeDiff = 0.0, longitudeDiff = 0.0;
+ double totalAltitude = 0;
+ int numAltitudes = 0;
+ Unit altUnit = null;
+ // loop between start and end points
+ for (int i=inStartIndex; i<= inEndIndex; i++)
+ {
+ DataPoint currPoint = getPoint(i);
+ latitudeDiff += (currPoint.getLatitude().getDouble() - firstLatitude);
+ longitudeDiff += (currPoint.getLongitude().getDouble() - firstLongitude);
+ if (currPoint.hasAltitude())
+ {
+ totalAltitude += currPoint.getAltitude().getValue(altUnit);
+ // Use altitude format of first valid altitude
+ if (altUnit == null)
+ altUnit = currPoint.getAltitude().getUnit();
+ numAltitudes++;
+ }
+ }
+ int numPoints = inEndIndex - inStartIndex + 1;
+ double meanLatitude = firstLatitude + (latitudeDiff / numPoints);
+ double meanLongitude = firstLongitude + (longitudeDiff / numPoints);
+ Altitude meanAltitude = null;
+ if (numAltitudes > 0) {
+ meanAltitude = new Altitude((int) (totalAltitude / numAltitudes), altUnit);
+ }
+
+ DataPoint insertedPoint = new DataPoint(new Latitude(meanLatitude, Coordinate.FORMAT_DECIMAL_FORCE_POINT),
+ new Longitude(meanLongitude, Coordinate.FORMAT_DECIMAL_FORCE_POINT), meanAltitude);
+ // Make into singleton
+ insertedPoint.setSegmentStart(true);
+ DataPoint nextPoint = getNextTrackPoint(inEndIndex+1);
+ if (nextPoint != null) {nextPoint.setSegmentStart(true);}
+ // Insert points into track
+ return insertRange(new DataPoint[] {insertedPoint}, inEndIndex + 1);
+ }
+
+
+ /**
+ * Append the specified points to the end of the track
+ * @param inPoints DataPoint objects to add
+ */
+ public void appendPoints(DataPoint[] inPoints)
+ {
+ // Insert points into track
+ if (inPoints != null && inPoints.length > 0)
+ {
+ insertRange(inPoints, _numPoints);
+ }
+ // needs to be scaled again to recalc x, y
+ _scaled = false;
+ UpdateMessageBroker.informSubscribers();
}
return null;
}
-
- /**
- * @return altitude range of points as AltitudeRange object
- */
- public AltitudeRange getAltitudeRange()
- {
- if (!_scaled) scalePoints();
- return _altitudeRange;
- }
/**
* @return the number of (valid) points in the track
*/
*/
public DoubleRange getXRange()
{
- if (!_scaled) scalePoints();
+ if (!_scaled) {scalePoints();}
return _xRange;
}
*/
public DoubleRange getYRange()
{
- if (!_scaled) scalePoints();
+ if (!_scaled) {scalePoints();}
return _yRange;
}
+ /**
+ * @return The range of lat values as a DoubleRange object
+ */
+ public DoubleRange getLatRange()
+ {
+ if (!_scaled) {scalePoints();}
+ return _latRange;
+ }
+ /**
+ * @return The range of lon values as a DoubleRange object
+ */
+ public DoubleRange getLonRange()
+ {
+ if (!_scaled) {scalePoints();}
+ return _longRange;
+ }
+
/**
* @param inPointNum point index, starting at 0
* @return scaled x value of specified point
*/
public double getX(int inPointNum)
{
- if (!_scaled) scalePoints();
+ if (!_scaled) {scalePoints();}
return _xValues[inPointNum];
}
*/
public double getY(int inPointNum)
{
- if (!_scaled) scalePoints();
+ if (!_scaled) {scalePoints();}
return _yValues[inPointNum];
}
*/
public boolean hasData(Field inField)
{
+ // Don't use this method for altitudes
+ if (inField.equals(Field.ALTITUDE)) {return hasAltitudeData();}
return hasData(inField, 0, _numPoints-1);
}
*/
public boolean hasData(Field inField, int inStart, int inEnd)
{
+ // Loop over selected point range
for (int i=inStart; i<=inEnd; i++)
{
if (_dataPoints[i].getFieldValue(inField) != null)
{
+ // Check altitudes and timestamps
+ if ((inField != Field.ALTITUDE || _dataPoints[i].getAltitude().isValid())
+ && (inField != Field.TIMESTAMP || _dataPoints[i].getTimestamp().isValid()))
+ {
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+
+ /**
+ * @return true if track has altitude data
+ */
+ public boolean hasAltitudeData()
+ {
+ for (int i=0; i<_numPoints; i++) {
+ if (_dataPoints[i].hasAltitude()) {return true;}
+ }
+ return false;
+ }
+
+ /**
+ * @return true if track contains at least one trackpoint
+ */
+ public boolean hasTrackPoints()
+ {
+ if (!_scaled) {scalePoints();}
+ return _hasTrackpoint;
+ }
+
+ /**
+ * @return true if track contains waypoints
+ */
+ public boolean hasWaypoints()
+ {
+ if (!_scaled) {scalePoints();}
+ return _hasWaypoint;
+ }
+
+ /**
+ * @return true if track contains any points marked for deletion
+ */
+ public boolean hasMarkedPoints()
+ {
+ if (_numPoints < 1) {
+ return false;
+ }
+ // Loop over points looking for any marked for deletion
+ for (int i=0; i<=_numPoints-1; i++)
+ {
+ if (_dataPoints[i] != null && _dataPoints[i].getDeleteFlag()) {
return true;
}
}
+ // None found
return false;
}
+ /**
+ * Clear all the deletion markers
+ */
+ public void clearDeletionMarkers()
+ {
+ for (int i=0; i<_numPoints; i++)
+ {
+ _dataPoints[i].setMarkedForDeletion(false);
+ }
+ }
/**
- * @return true if track contains waypoints and trackpoints
+ * Collect all the waypoints into the given List
+ * @param inList List to fill with waypoints
*/
- public boolean hasMixedData()
+ public void getWaypoints(List<DataPoint> inList)
{
- if (!_scaled) scalePoints();
- return _mixedData;
+ // clear list
+ inList.clear();
+ // loop over points and copy all waypoints into list
+ for (int i=0; i<=_numPoints-1; i++)
+ {
+ if (_dataPoints[i] != null && _dataPoints[i].isWaypoint())
+ {
+ inList.add(_dataPoints[i]);
+ }
+ }
+ }
+
+
+ /**
+ * Search for the given Point in the track and return the index
+ * @param inPoint Point to look for
+ * @return index of Point, if any or -1 if not found
+ */
+ public int getPointIndex(DataPoint inPoint)
+ {
+ if (inPoint != null)
+ {
+ // Loop over points in track
+ for (int i=0; i<=_numPoints-1; i++)
+ {
+ if (_dataPoints[i] == inPoint)
+ {
+ return i;
+ }
+ }
+ }
+ // not found
+ return -1;
}
* Scale all the points in the track to gain x and y values
* ready for plotting
*/
- private void scalePoints()
+ private synchronized void scalePoints()
{
- // Loop through all points in track, to see limits of lat, long and altitude
+ // Loop through all points in track, to see limits of lat, long
_longRange = new DoubleRange();
_latRange = new DoubleRange();
- _altitudeRange = new AltitudeRange();
int p;
- boolean hasWaypoint = false, hasTrackpoint = false;
+ _hasWaypoint = false; _hasTrackpoint = false;
for (p=0; p < getNumPoints(); p++)
{
DataPoint point = getPoint(p);
{
_longRange.addValue(point.getLongitude().getDouble());
_latRange.addValue(point.getLatitude().getDouble());
- if (point.getAltitude().isValid())
- _altitudeRange.addValue(point.getAltitude());
if (point.isWaypoint())
- hasWaypoint = true;
+ _hasWaypoint = true;
else
- hasTrackpoint = true;
+ _hasTrackpoint = true;
}
}
- _mixedData = hasWaypoint && hasTrackpoint;
-
- // Use medians to centre at 0
- double longMedian = (_longRange.getMaximum() + _longRange.getMinimum()) / 2.0;
- double latMedian = (_latRange.getMaximum() + _latRange.getMinimum()) / 2.0;
- double longFactor = Math.cos(latMedian / 180.0 * Math.PI); // Function of median latitude
// Loop over points and calculate scales
_xValues = new double[getNumPoints()];
DataPoint point = getPoint(p);
if (point != null)
{
- _xValues[p] = (point.getLongitude().getDouble() - longMedian) * longFactor;
+ _xValues[p] = MapUtils.getXFromLongitude(point.getLongitude().getDouble());
_xRange.addValue(_xValues[p]);
- _yValues[p] = (point.getLatitude().getDouble() - latMedian);
+ _yValues[p] = MapUtils.getYFromLatitude(point.getLatitude().getDouble());
_yRange.addValue(_yValues[p]);
}
}
{
int nearestPoint = 0;
double nearestDist = -1.0;
- double currDist;
+ double mDist, yDist;
for (int i=0; i < getNumPoints(); i++)
{
if (!inJustTrackPoints || !_dataPoints[i].isWaypoint())
{
- currDist = Math.abs(_xValues[i] - inX) + Math.abs(_yValues[i] - inY);
- if (currDist < nearestDist || nearestDist < 0.0)
+ yDist = Math.abs(_yValues[i] - inY);
+ if (yDist < nearestDist || nearestDist < 0.0)
{
- nearestPoint = i;
- nearestDist = currDist;
+ // y dist is within range, so check x too
+ mDist = yDist + getMinXDist(_xValues[i] - inX);
+ if (mDist < nearestDist || nearestDist < 0.0)
+ {
+ nearestPoint = i;
+ nearestDist = mDist;
+ }
}
}
}
return nearestPoint;
}
+ /**
+ * @param inX x value of point
+ * @return minimum wrapped value
+ */
+ private static final double getMinXDist(double inX)
+ {
+ // TODO: Should be abs(mod(inX-0.5,1)-0.5) - means two adds, one mod, one abs instead of two adds, 3 abss and two compares
+ return Math.min(Math.min(Math.abs(inX), Math.abs(inX-1.0)), Math.abs(inX+1.0));
+ }
+
+ /**
+ * Get the next track point starting from the given index
+ * @param inStartIndex index to start looking from
+ * @return next track point, or null if end of data reached
+ */
+ public DataPoint getNextTrackPoint(int inStartIndex)
+ {
+ return getNextTrackPoint(inStartIndex, _numPoints, true);
+ }
+
+ /**
+ * Get the next track point in the given range
+ * @param inStartIndex index to start looking from
+ * @param inEndIndex index to stop looking
+ * @return next track point, or null if end of data reached
+ */
+ public DataPoint getNextTrackPoint(int inStartIndex, int inEndIndex)
+ {
+ return getNextTrackPoint(inStartIndex, inEndIndex, true);
+ }
+
+ /**
+ * Get the previous track point starting from the given index
+ * @param inStartIndex index to start looking from
+ * @return next track point, or null if end of data reached
+ */
+ public DataPoint getPreviousTrackPoint(int inStartIndex)
+ {
+ // end index is given as _numPoints but actually it just counts down to -1
+ return getNextTrackPoint(inStartIndex, _numPoints, false);
+ }
+
+ /**
+ * Get the next track point starting from the given index
+ * @param inStartIndex index to start looking from
+ * @param inEndIndex index to stop looking (inclusive)
+ * @param inCountUp true for next, false for previous
+ * @return next track point, or null if end of data reached
+ */
+ private DataPoint getNextTrackPoint(int inStartIndex, int inEndIndex, boolean inCountUp)
+ {
+ // Loop forever over points
+ int increment = inCountUp?1:-1;
+ for (int i=inStartIndex; i<=inEndIndex; i+=increment)
+ {
+ DataPoint point = getPoint(i);
+ // Exit if end of data reached - there wasn't a track point
+ if (point == null) {return null;}
+ if (point.isValid() && !point.isWaypoint()) {
+ // next track point found
+ return point;
+ }
+ }
+ return null;
+ }
+
+ /**
+ * Shift all the segment start flags in the given range by 1
+ * Method used by reverse range and its undo
+ * @param inStartIndex start of range, inclusive
+ * @param inEndIndex end of range, inclusive
+ */
+ public void shiftSegmentStarts(int inStartIndex, int inEndIndex)
+ {
+ boolean prevFlag = true;
+ boolean currFlag = true;
+ for (int i=inStartIndex; i<= inEndIndex; i++)
+ {
+ DataPoint point = getPoint(i);
+ if (point != null && !point.isWaypoint())
+ {
+ // remember flag
+ currFlag = point.getSegmentStart();
+ // shift flag by 1
+ point.setSegmentStart(prevFlag);
+ prevFlag = currFlag;
+ }
+ }
+ }
////////////////// Cloning and replacing ///////////////////
_numPoints++;
// needs to be scaled again
_scaled = false;
- _broker.informSubscribers();
+ UpdateMessageBroker.informSubscribers();
return true;
}
_numPoints += inPoints.length;
// needs to be scaled again
_scaled = false;
- _broker.informSubscribers();
+ UpdateMessageBroker.informSubscribers();
return true;
}
/**
* Replace the track contents with the given point array
* @param inContents array of DataPoint objects
+ * @return true on success
*/
public boolean replaceContents(DataPoint[] inContents)
{
_dataPoints = inContents;
_numPoints = _dataPoints.length;
_scaled = false;
- _broker.informSubscribers();
+ UpdateMessageBroker.informSubscribers();
return true;
}
+
+
+ /**
+ * Edit the specified point
+ * @param inPoint point to edit
+ * @param inEditList list of edits to make
+ * @param inUndo true if undo operation, false otherwise
+ * @return true if successful
+ */
+ public boolean editPoint(DataPoint inPoint, FieldEditList inEditList, boolean inUndo)
+ {
+ if (inPoint != null && inEditList != null && inEditList.getNumEdits() > 0)
+ {
+ // remember if coordinates have changed
+ boolean coordsChanged = false;
+ // go through edits one by one
+ int numEdits = inEditList.getNumEdits();
+ for (int i=0; i<numEdits; i++)
+ {
+ FieldEdit edit = inEditList.getEdit(i);
+ Field editField = edit.getField();
+ inPoint.setFieldValue(editField, edit.getValue(), inUndo);
+ // Check that master field list has this field already (maybe point name has been added)
+ if (!_masterFieldList.contains(editField)) {
+ _masterFieldList.extendList(editField);
+ }
+ // check coordinates
+ coordsChanged |= (editField.equals(Field.LATITUDE)
+ || editField.equals(Field.LONGITUDE) || editField.equals(Field.ALTITUDE));
+ }
+ // set photo status if coordinates have changed
+ if (inPoint.getPhoto() != null && coordsChanged)
+ {
+ inPoint.getPhoto().setCurrentStatus(Photo.Status.CONNECTED);
+ }
+ // point possibly needs to be scaled again
+ _scaled = false;
+ // trigger listeners
+ UpdateMessageBroker.informSubscribers();
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * @param inPoint point to check
+ * @return true if this track contains the given point
+ */
+ public boolean containsPoint(DataPoint inPoint)
+ {
+ if (inPoint == null) return false;
+ for (int i=0; i < getNumPoints(); i++)
+ {
+ if (getPoint(i) == inPoint) return true;
+ }
+ return false; // not found
+ }
}
projects / GpsPrune.git / blobdiff