From a6374581ba12dc59e993815de9d4df0e9cc34627 Mon Sep 17 00:00:00 2001
From: Ben Steffensmeier <Benjamin.P.Steffensmeier@raytheon.com>
Date: Tue, 18 Sep 2012 18:05:09 -0500
Subject: [PATCH] Issue #1179 fix radar imagery to not display when there is no
 dual pol precip.

Former-commit-id: 798e28b218c787a5bbb1e88f73fd714b84d23166 [formerly 798e28b218c787a5bbb1e88f73fd714b84d23166 [formerly 5eb3c4d62bcbdb458bc2895172601cb3fa38fa4b]]
Former-commit-id: 71391cdb59c023e42503d096e9fe27c35fa0a287
Former-commit-id: 918e74fe201eff7fa74ce19726165cbaa545e286
---
 .../src/com/raytheon/viz/radar/rsc/RadarImageResource.java  | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/cave/com.raytheon.viz.radar/src/com/raytheon/viz/radar/rsc/RadarImageResource.java b/cave/com.raytheon.viz.radar/src/com/raytheon/viz/radar/rsc/RadarImageResource.java
index 7b5ad69540..f6bfe5e73b 100644
--- a/cave/com.raytheon.viz.radar/src/com/raytheon/viz/radar/rsc/RadarImageResource.java
+++ b/cave/com.raytheon.viz.radar/src/com/raytheon/viz/radar/rsc/RadarImageResource.java
@@ -386,7 +386,11 @@ public class RadarImageResource<D extends IDescriptor> extends
         if (image == null || image.getCoverage() == null) {
             VizRadarRecord record = getRadarRecord(dataTime);
             if (record != null) {
-                if (record.getStoredDataAsync() == null) {
+                if (record.getNumRadials() == 0 || record.getNumBins() == 0) {
+                    // This is expected for dual pol precip products(DSD,DOD)
+                    // when it isn't raining.
+                    return null;
+                } else if (record.getStoredDataAsync() == null) {
                     issueRefresh();
                 } else {
                     try {