Moved source into separate src directory due to popular request

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

diff --git a/tim/prune/data/GradientCalculator.java b/tim/prune/data/GradientCalculator.java
deleted file mode 100644 (file)
index 04846e7..0000000
--- a/tim/prune/data/GradientCalculator.java
+++ /dev/null
@@ -1,56 +0,0 @@
-package tim.prune.data;
-
-/**
- * Abstract class to hold static calculation functions
- * for gradient (like glide slope)
- */
-public abstract class GradientCalculator
-{
-       /**
-        * Calculate the gradient value of the track at the specified index
-        * @param inTrack track object
-        * @param inIndex index of point to calculate gradient for
-        * @param inValue object in which to place result of calculation
-        */
-       public static void calculateGradient(Track inTrack, int inIndex, SpeedValue inValue)
-       {
-               if (inValue != null)
-               {
-                       inValue.setInvalid();
-               }
-               if (inTrack == null || inIndex < 0 || inValue == null)
-               {
-                       System.err.println("Cannot calculate gradient for index " + inIndex);
-                       return;
-               }
-
-               // If no altitude or it's a waypoint then no gradient either
-               DataPoint point = inTrack.getPoint(inIndex);
-               if (point == null || !point.hasAltitude() || point.isWaypoint()) {
-                       return;
-               }
-
-               // If the point has horizontal and vertical speeds already then just use those
-               if (point.hasHSpeed() && point.hasVSpeed()) {
-                       inValue.setValue(point.getVSpeed().getValueInMetresPerSec() / point.getHSpeed().getValueInMetresPerSec());
-               }
-               else if (!point.getSegmentStart())
-               {
-                       // Use the previous track point and the next track point
-                       DataPoint p = inTrack.getPreviousTrackPoint(inIndex-1);
-                       DataPoint q = inTrack.getNextTrackPoint(inIndex+1);
-                       if (p != null && q != null && !q.getSegmentStart()
-                               && p.hasAltitude() && q.hasAltitude())
-                       {
-                               final double horizRads = DataPoint.calculateRadiansBetween(p, point) +
-                                       DataPoint.calculateRadiansBetween(point, q);
-                               final double horizDist = Distance.convertRadiansToDistance(horizRads, UnitSetLibrary.UNITS_METRES);
-                               final double heightDiff = q.getAltitude().getMetricValue() - p.getAltitude().getMetricValue();
-                               // Get gradient in radians
-                               final double gradient = Math.atan2(heightDiff, horizDist);
-                               inValue.setValue(gradient);
-                       }
-               }
-               // otherwise, just leave value as invalid
-       }
-}