import tim.prune.UpdateMessageBroker;
import tim.prune.edit.FieldEdit;
import tim.prune.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[] _xValues = null;
private double[] _yValues = null;
+ private double[] _xValuesNew = null;
+ private double[] _yValuesNew = null;
private boolean _scaled = false;
private int _numPoints = 0;
private boolean _mixedData = false;
/**
- * 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
}
}
_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;
}
/**
* 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();
}
}
// (maybe should be separate thread?)
// (maybe should be in separate class?)
// (maybe should be based on subtended angles instead of distances?)
+ // Suggestion: Find last track point, don't delete it (or maybe preserve first and last of each segment?)
if (inResolution <= 0) return 0;
int numCopied = 0;
if (yscale > wholeScale) wholeScale = yscale;
double minDist = wholeScale / inResolution;
+ // Keep track of segment start flags of the deleted points
+ boolean setSegment = false;
// Copy selected points
DataPoint[] newPointArray = new DataPoint[_numPoints];
int[] pointIndices = new int[_numPoints];
for (int i=0; i<_numPoints; i++)
{
+ DataPoint point = _dataPoints[i];
boolean keepPoint = true;
// Don't delete waypoints or photo points
- if (!_dataPoints[i].isWaypoint() && _dataPoints[i].getPhoto() == null)
+ if (!point.isWaypoint() && point.getPhoto() == null)
{
// go through newPointArray to check for range
for (int j=0; j<numCopied && keepPoint; j++)
}
if (keepPoint)
{
- newPointArray[numCopied] = _dataPoints[i];
+ newPointArray[numCopied] = point;
pointIndices[numCopied] = i;
numCopied++;
+ // set segment flag if it's the first track point
+ if (setSegment && !point.isWaypoint())
+ {
+ point.setSegmentStart(true);
+ setSegment = false;
+ }
+ }
+ else
+ {
+ // point will be removed, so check segment flag
+ if (point.getSegmentStart()) {setSegment = true;}
}
}
System.arraycopy(newPointArray, 0, _dataPoints, 0, numCopied);
_numPoints = _dataPoints.length;
_scaled = false;
- _broker.informSubscribers();
}
return numDeleted;
}
_dataPoints = newPointArray;
_numPoints = _dataPoints.length;
_scaled = false;
- _broker.informSubscribers();
+ UpdateMessageBroker.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];
_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;
}
+ /**
+ * 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)
+ * @return true on success
+ */
+ public boolean addTimeOffset(int inStart, int inEnd, long inOffset)
+ {
+ // 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++)
+ {
+ Timestamp timestamp = _dataPoints[i].getTimestamp();
+ if (timestamp != null)
+ {
+ // This point has a timestamp so add the offset to it
+ foundTimestamp = true;
+ timestamp.addOffset(inOffset);
+ }
+ }
+ return foundTimestamp;
+ }
+
+
+ /**
+ * Merge the track segments within the given range
+ * @param inStart start index
+ * @param inEnd end index
+ * @return true if successful
+ */
+ public boolean mergeTrackSegments(int inStart, int inEnd)
+ {
+ boolean firstTrackPoint = true;
+ // Loop between start and end
+ for (int i=inStart; i<=inEnd; i++) {
+ DataPoint point = getPoint(i);
+ // Set all segments to false apart from first track point
+ if (point != null && !point.isWaypoint()) {
+ point.setSegmentStart(firstTrackPoint);
+ firstTrackPoint = false;
+ }
+ }
+ // Find following track point, if any
+ DataPoint nextPoint = getNextTrackPoint(inEnd+1);
+ if (nextPoint != null) {nextPoint.setSegmentStart(true);}
+ 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
}
// needs to be scaled again
_scaled = false;
- _broker.informSubscribers();
+ UpdateMessageBroker.informSubscribers();
return true;
}
_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)
+ {
+ // 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
+ if (inSectionStart > (inMoveTo + 1))
+ 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
}
// needs to be scaled again to recalc x, y
_scaled = false;
- _broker.informSubscribers();
+ UpdateMessageBroker.informSubscribers();
}
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
return _yValues[inPointNum];
}
+ /**
+ * @param inPointNum point index, starting at 0
+ * @return scaled x value of specified point
+ */
+ public double getXNew(int inPointNum)
+ {
+ if (!_scaled) scalePoints();
+ return _xValuesNew[inPointNum];
+ }
+
+ /**
+ * @param inPointNum point index, starting at 0
+ * @return scaled y value of specified point
+ */
+ public double getYNew(int inPointNum)
+ {
+ if (!_scaled) scalePoints();
+ return _yValuesNew[inPointNum];
+ }
+
/**
* @return the master field list
*/
// Loop over points and calculate scales
_xValues = new double[getNumPoints()];
_yValues = new double[getNumPoints()];
+ _xValuesNew = new double[getNumPoints()];
+ _yValuesNew = new double[getNumPoints()];
_xRange = new DoubleRange();
_yRange = new DoubleRange();
for (p=0; p < getNumPoints(); p++)
{
_xValues[p] = (point.getLongitude().getDouble() - longMedian) * longFactor;
_xRange.addValue(_xValues[p]);
+ _xValuesNew[p] = MapUtils.getXFromLongitude(point.getLongitude().getDouble());
_yValues[p] = (point.getLatitude().getDouble() - latMedian);
_yRange.addValue(_yValues[p]);
+ _yValuesNew[p] = MapUtils.getYFromLatitude(point.getLatitude().getDouble());
}
}
_scaled = true;
}
+ /**
+ * Find the nearest point to the specified x and y coordinates
+ * or -1 if no point is within the specified max distance
+ * @param inX x coordinate
+ * @param inY y coordinate
+ * @param inMaxDist maximum distance from selected coordinates
+ * @param inJustTrackPoints true if waypoints should be ignored
+ * @return index of nearest point or -1 if not found
+ */
+ public int getNearestPointIndexNew(double inX, double inY, double inMaxDist, boolean inJustTrackPoints)
+ {
+ int nearestPoint = 0;
+ double nearestDist = -1.0;
+ double currDist;
+ for (int i=0; i < getNumPoints(); i++)
+ {
+ if (!inJustTrackPoints || !_dataPoints[i].isWaypoint())
+ {
+ currDist = Math.abs(_xValuesNew[i] - inX) + Math.abs(_yValuesNew[i] - inY);
+ if (currDist < nearestDist || nearestDist < 0.0)
+ {
+ nearestPoint = i;
+ nearestDist = currDist;
+ }
+ }
+ }
+ // Check whether it's within required distance
+ if (nearestDist > inMaxDist && inMaxDist > 0.0)
+ {
+ return -1;
+ }
+ return nearestPoint;
+ }
+
+ /**
+ * 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)
+ {
+ 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;
}
// point possibly needs to be scaled again
_scaled = false;
// trigger listeners
- _broker.informSubscribers();
+ UpdateMessageBroker.informSubscribers();
return true;
}
return false;
projects / GpsPrune.git / blobdiff