From 303058307780d49e2ae4c815669f34b866206d86 Mon Sep 17 00:00:00 2001
From: dcb <xgybdcb@163.com>
Date: 星期四, 19 六月 2025 15:42:45 +0800
Subject: [PATCH] 根据位置查询,不提供时间则返回服务中所有符合条件的列表

---
 src/main/java/com/se/nsl/service/SimuService.java |   51 ++++++++++++++++++++++++++++++++++++++++++---------
 1 files changed, 42 insertions(+), 9 deletions(-)

diff --git a/src/main/java/com/se/nsl/service/SimuService.java b/src/main/java/com/se/nsl/service/SimuService.java
index 1c314bc..31b0834 100644
--- a/src/main/java/com/se/nsl/service/SimuService.java
+++ b/src/main/java/com/se/nsl/service/SimuService.java
@@ -25,10 +25,9 @@
 import javax.annotation.Resource;
 import java.io.File;
 import java.io.IOException;
-import java.time.Instant;
-import java.time.LocalDateTime;
-import java.time.ZoneId;
-import java.time.format.DateTimeFormatter;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
@@ -37,6 +36,7 @@
 @SuppressWarnings("ALL")
 public class SimuService {
     public static final String TIF_EXTSION = ".tif";
+    public static final String YYYY_MM_DD_HHMMSS = "yyyyMMddHHmmss";
     @Resource
     SimuMapper simuMapper;
 
@@ -142,6 +142,19 @@
 
     }
 
+    public List<SimuResult> queryByPosition(double lon, double lat, String serviceName) {
+        //transform coordiante from 4326 to 4548
+        double[] xy = CoordinateTransformer.transform(4326, 4548, lon, lat);
+//        System.out.println(String.format("杞崲鍓嶇殑鍧愭爣锛歺:%s,y:%s", lon, lat));
+//        System.out.println(String.format("杞崲鍚庣殑鍧愭爣锛歺:%s,y:%s", xy[0], xy[1]));
+        //read from zarr
+//        return queryByZarr(xy, time, serviceName);
+
+        //read from tif file
+        return queryByTif(xy, serviceName);
+
+    }
+
     private SimuResult queryByZarr(double[] xy, long time, String serviceName) {
         double x = xy[0];
         double y = xy[1];
@@ -197,7 +210,31 @@
         SimuResult result = new SimuResult();
         result.setDepth(depth);
         result.setVelocity(velocity);
+        result.setTime(time);
         return  result;
+    }
+
+    private List<SimuResult> queryByTif(double[] xy, String serviceName) {
+        double x = xy[0];
+        double y = xy[1];
+        List<SimuResult> res = new ArrayList<>();
+        File inPath = new File(config.getInPath());
+        Path depthPath = Paths.get(inPath.getAbsolutePath(), serviceName, "depth");
+        File depthDir = depthPath.toFile();
+        File[] files = depthDir.listFiles();
+        for (File tifFile : files) {
+            ColumnRow cr = getColumnRow(tifFile, x, y);
+            if (cr == null) continue;
+            float depth = readPixelValue(cr.dataset, cr.col, cr.row, 1);
+            float velocity = calcVelocity(cr.dataset, cr.col, cr.row);
+            SimuResult result = new SimuResult();
+            result.setDepth(depth);
+            result.setVelocity(velocity);
+            String time = tifFile.getName().replace(".tif", "");
+            result.setTime(TimeFormatUtil.toMillis(time, YYYY_MM_DD_HHMMSS));
+            res.add(result);
+        }
+        return  res;
     }
 
     private static ColumnRow getColumnRow(File tifFile, double x, double y) {
@@ -254,11 +291,7 @@
     }
 
     private String formatTime(long time) {
-//        Instant instant = Instant.ofEpochMilli(time);
-//        LocalDateTime localDateTime = LocalDateTime.ofInstant(instant, ZoneId.systemDefault());
-//        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyyMMddHHmmss");
-//        return localDateTime.format(formatter);
-        return TimeFormatUtil.formatTime(time, "yyyyMMddHHmmss");
+        return TimeFormatUtil.formatTime(time, YYYY_MM_DD_HHMMSS);
     }
 
 }

--
Gitblit v1.9.3