Moved source into separate src directory due to popular request

[GpsPrune.git] / tim / prune / data / MidpointData.java

diff --git a/tim/prune/data/MidpointData.java b/tim/prune/data/MidpointData.java
deleted file mode 100644 (file)
index 3fdebb2..0000000
--- a/tim/prune/data/MidpointData.java
+++ /dev/null
@@ -1,98 +0,0 @@
-package tim.prune.data;
-
-/**
- * Class to hold information about the mid-points between
- * adjacent track points.  Used by the MapCanvas for creating
- * points by dragging.
- */
-public class MidpointData
-{
-       // track object
-       private Track _track = null;
-       // Scaled x, y values
-       private double[] _xValues = null;
-       private double[] _yValues = null;
-       // Validity flags
-       private boolean[] _valids = null;
-       // Flag to set data stale
-       private boolean _needRefresh = true;
-
-
-       /**
-        * Flag the data as needing to be updated
-        * @param inTrack track object from which to get the data
-        */
-       public void updateData(Track inTrack)
-       {
-               _track = inTrack;
-               _needRefresh = true;
-       }
-
-       /**
-        * Update the arrays of data from the track
-        */
-       private synchronized void updateData()
-       {
-               _needRefresh = false;
-               if (_track == null) return;
-               // Make arrays the right size
-               final int numPoints = _track.getNumPoints();
-               if (_xValues == null || _xValues.length != numPoints)
-               {
-                       _xValues = new double[numPoints];
-                       _yValues = new double[numPoints];
-                       _valids  = new boolean[numPoints];
-               }
-               if (numPoints <= 0) return;
-               _valids[0] = false;
-
-               // Loop over the points in the track
-               for (int i=1; i<numPoints; i++)
-               {
-                       boolean pointValid = false;
-                       DataPoint point = _track.getPoint(i);
-                       if (point != null && !point.getSegmentStart() && !point.isWaypoint())
-                       {
-                               _xValues[i] = (_track.getX(i) + _track.getX(i-1)) / 2.0;
-                               _yValues[i] = (_track.getY(i) + _track.getY(i-1)) / 2.0;
-                               pointValid = true;
-                       }
-                       _valids[i] = pointValid;
-               }
-       }
-
-       /**
-        * 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
-        * @return index of nearest point or -1 if not found
-        */
-       public int getNearestPointIndex(double inX, double inY, double inMaxDist)
-       {
-               if (_track == null) return -1;
-               if (_needRefresh) updateData();
-               final int numPoints = _track.getNumPoints();
-               int nearestPoint = 0;
-               double nearestDist = -1.0;
-               double currDist;
-               for (int i=1; i < numPoints; i++)
-               {
-                       if (_valids[i])
-                       {
-                               currDist = Math.abs(_xValues[i] - inX) + Math.abs(_yValues[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;
-       }
-}