From 2c9cefb7cc7bd9dca3c0155ebf753b4be8584ac9 Mon Sep 17 00:00:00 2001
From: "Qinglu.Lin" <Qinglu.Lin@noaa.gov>
Date: Thu, 21 Aug 2014 10:43:22 -0400
Subject: [PATCH] ASM #15700 - Warngen issues an error and toggles off on Radar
 update

Change-Id: I51085cd1bb9c7286719f1bff4e04abe5a7a2363b

Former-commit-id: 49d40dcaadd808d96c638add631ea5294b689528 [formerly bd03ec7a6f499eee474b3bb5ed8ec49fab17541a] [formerly 3cc94603a2f5841b70b76f29859764379a4d415d] [formerly 3cc94603a2f5841b70b76f29859764379a4d415d [formerly fb92838427669462070caf3ebd635750c8431496]] [formerly 2157a4aa3ba169d645478d7607c7947bbc37ba3b [formerly 3cc94603a2f5841b70b76f29859764379a4d415d [formerly fb92838427669462070caf3ebd635750c8431496] [formerly 2157a4aa3ba169d645478d7607c7947bbc37ba3b [formerly b8a4741b2519e8c02a1b80ba8544be9b1c26d35c]]]]
Former-commit-id: 2157a4aa3ba169d645478d7607c7947bbc37ba3b
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Former-commit-id: 787f15785045802ea02439871999384ff5ae005e
Former-commit-id: 2cde7ae918c87b537f7add72f595c38661d927ee
---
 .../common/stormtrack/StormTrackDisplay.java          | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/cave/com.raytheon.viz.awipstools/src/com/raytheon/viz/awipstools/common/stormtrack/StormTrackDisplay.java b/cave/com.raytheon.viz.awipstools/src/com/raytheon/viz/awipstools/common/stormtrack/StormTrackDisplay.java
index deb0fd2476..d65e50a87f 100644
--- a/cave/com.raytheon.viz.awipstools/src/com/raytheon/viz/awipstools/common/stormtrack/StormTrackDisplay.java
+++ b/cave/com.raytheon.viz.awipstools/src/com/raytheon/viz/awipstools/common/stormtrack/StormTrackDisplay.java
@@ -104,6 +104,7 @@ import com.vividsolutions.jts.geom.LineString;
  *  06-03-14    3191       njensen     Fix postData to not retrieve
  *  06-17-2014  DR17409 mgamazaychikov Fix futurePoints calculation in generateNewTrackInfo()
  *                                     and generateExistingTrackInfo()
+ *  08-21-2014  DR 17500   Qinglu Lin  handle the situation where frameTime is null in paintTrack().
  * 
  * </pre>
  * 
@@ -690,11 +691,12 @@ public class StormTrackDisplay implements IRenderable {
             return;
         }
 
-        if (state.geomChanged) {
+        DataTime frameTime = paintProps.getDataTime();
+        if (frameTime != null && state.geomChanged) {
             if (cachedTrack != null) {
                 cachedTrack.dispose();
             }
-            generateTrackInfo(state, paintProps);
+            generateTrackInfo(state, paintProps, frameTime);
             if (state.mode == Mode.TRACK) {
                 createTrack(target, paintProps);
             }
@@ -714,7 +716,7 @@ public class StormTrackDisplay implements IRenderable {
      * @param currentState
      */
     private void generateTrackInfo(StormTrackState currentState,
-            PaintProperties paintProps) throws VizException {
+            PaintProperties paintProps, DataTime frameTime) throws VizException {
         int frameCount = trackUtil.getFrameCount(paintProps.getFramesInfo());
         int currFrame = trackUtil.getCurrentFrame(paintProps.getFramesInfo());
         try {
@@ -727,7 +729,6 @@ public class StormTrackDisplay implements IRenderable {
                         && currentState.timePoints.length != frameCount) {
                     // need to set theAnchorPoint and theAnchorIndex here
                     // because timePoints get erased before we get to updateAnchorPoint
-                    DataTime frameTime = paintProps.getDataTime();
                     for (int j=0;j<currentState.timePoints.length;j++){
                         if (frameTime.equals(currentState.timePoints[j].time)) {
                             theAnchorPoint = currentState.timePoints[j].coord;
@@ -774,7 +775,7 @@ public class StormTrackDisplay implements IRenderable {
                 generateNewTrackInfo(currentState, currFrame, paintProps);
                 currentDisplayedTimes = trackUtil.getDataTimes(paintProps
                         .getFramesInfo());
-                generateTrackInfo(currentState, paintProps);
+                generateTrackInfo(currentState, paintProps, frameTime);
             } else {
 
                 if (currentState.pointMoved) {