From 3c79960dcc900d33b99587e7fb5f1baf46c0a255 Mon Sep 17 00:00:00 2001
From: 于紫祥_1901 <email@yuzixiang_1910>
Date: Thu, 13 Aug 2020 13:01:23 +0800
Subject: [PATCH] 风场图update

---
 src/main/java/com/moral/service/impl/DeviceServiceImpl.java |   31 ++++++++++++++++++++-----------
 1 files changed, 20 insertions(+), 11 deletions(-)

diff --git a/src/main/java/com/moral/service/impl/DeviceServiceImpl.java b/src/main/java/com/moral/service/impl/DeviceServiceImpl.java
index 6fd1dc4..0db3787 100644
--- a/src/main/java/com/moral/service/impl/DeviceServiceImpl.java
+++ b/src/main/java/com/moral/service/impl/DeviceServiceImpl.java
@@ -726,19 +726,28 @@
         Double U=0.0;
         Double V=0.0;
         log.info(deviceAndWinds.size());
+        List list=new ArrayList();
         for (DeviceAndWind andWind : deviceAndWinds) {
             Double lo=andWind.getLongitude();
             Double la=andWind.getLatitude();
-            List list= LatLngTransformation.Convert_BD09_To_GCJ02(la,lo);
-            Double transLo=(Double) list.get(0);
-            Double transLa=(Double) list.get(1);
+            List tranlist= LatLngTransformation.Convert_BD09_To_GCJ02(la,lo);
+            Double transLo=(Double) tranlist.get(0);
+            Double transLa=(Double) tranlist.get(1);
             loList.add(transLo);
             laList.add(transLa);
         }
-          Double  loma= (Double) Collections.max(loList);
-          Double  lomi= (Double) Collections.min(loList);
-          Double  lama= (Double) Collections.max(laList);
-          Double  lami= (Double) Collections.min(laList);
+        Double  loma= 0.0;
+        Double  lomi= 0.0;
+        Double  lama= 0.0;
+        Double  lami= 0.0;
+        if (loList.size()>0){
+            loma= (Double) Collections.max(loList);
+            lomi= (Double) Collections.min(loList);
+        }
+        if (laList.size()>0){
+            lama= (Double) Collections.max(laList);
+            lami= (Double) Collections.min(laList);
+        }
         Map laLaMap=new HashMap();
         laLaMap.put("maxLo",loma);
         laLaMap.put("minLo",lomi);
@@ -783,9 +792,9 @@
             }
             Double tvoc=deviceAndWinds.get(j).getTVoc();
 
-            List list= LatLngTransformation.Convert_BD09_To_GCJ02(deviceAndWinds.get(j).getLatitude(),deviceAndWinds.get(j).getLongitude());
-            Double transLo=(Double) list.get(0);
-            Double transLa=(Double) list.get(1);
+            List tranlist= LatLngTransformation.Convert_BD09_To_GCJ02(deviceAndWinds.get(j).getLatitude(),deviceAndWinds.get(j).getLongitude());
+            Double transLo=(Double) tranlist.get(0);
+            Double transLa=(Double) tranlist.get(1);
             if (tvoc==null){
                 tvoc=0.0;
             }
@@ -860,7 +869,7 @@
         List transList= LatLngTransformation.Convert_BD09_To_GCJ02(monitorLa,monitorLo);
         Double transLo=(Double) transList.get(0);
         Double transLa=(Double) transList.get(1);
-        List list=new ArrayList();
+
         list.add(jsonArray);
         list.add(transLo);
         list.add(transLa);

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