From a2ee6e0dcdcfd9d1b8011a3cecb4e0fc4f6eeea3 Mon Sep 17 00:00:00 2001
From: dcb <xgybdcb@163.com>
Date: 星期五, 06 六月 2025 18:10:32 +0800
Subject: [PATCH] 实时模拟功能实现
---
src/main/java/com/se/nsl/service/SimuService.java | 78 +++++++++++++++++++++++++--------------
1 files changed, 50 insertions(+), 28 deletions(-)
diff --git a/src/main/java/com/se/nsl/service/SimuService.java b/src/main/java/com/se/nsl/service/SimuService.java
index a222fe0..1c314bc 100644
--- a/src/main/java/com/se/nsl/service/SimuService.java
+++ b/src/main/java/com/se/nsl/service/SimuService.java
@@ -13,6 +13,7 @@
import com.se.nsl.helper.StringHelper;
import com.se.nsl.mapper.SimuMapper;
import com.se.nsl.utils.CoordinateTransformer;
+import com.se.nsl.utils.TimeFormatUtil;
import lombok.extern.slf4j.Slf4j;
import org.gdal.gdal.Band;
import org.gdal.gdal.Dataset;
@@ -134,7 +135,7 @@
// 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 null;
+// return queryByZarr(xy, time, serviceName);
//read from tif file
return queryByTif(xy, time, serviceName);
@@ -146,28 +147,29 @@
double y = xy[1];
String prefix = formatTime(time);
File inPath = new File(config.getInPath());
- File tifDir = new File(inPath, serviceName + File.separator + "depth");
- int index = 0;
- File[] files = tifDir.listFiles();
- for (File file : files) {
- String name = file.getName();
- if (!name.endsWith(TIF_EXTSION)) continue;
- if (name.equals(prefix + TIF_EXTSION)) {
- break;
- }
- index++;
- }
- //TODO闇�瑕佽绠楄鍒楀彿
- int col = 0;
- int row = 0;
-
+// File tifDir = new File(inPath, serviceName + File.separator + "depth");
+// int index = 0;
+// File[] files = tifDir.listFiles();
+// for (File file : files) {
+// String name = file.getName();
+// if (!name.endsWith(TIF_EXTSION)) continue;
+// if (name.equals(prefix + TIF_EXTSION)) {
+// break;
+// }
+// index++;
+// }
+ File dem = new File(inPath, serviceName + File.separator + "DEM.tif");
+ ColumnRow cr = getColumnRow(dem.getAbsoluteFile(), x, y);
+ if (cr == null) return null;
File zarr = new File(inPath, serviceName + File.separator + "result.zarr");
try {
ZarrGroup group = ZarrGroup.open(zarr.toPath());
ZarrArray depthArray = group.openArray("depth");
- Object object = depthArray.read();
- System.out.println(object);
+ int[] shape = new int[] {60, 637, 351};
+// int[] offset = new int[]{210, 384};
+ float[] depth = (float[]) depthArray.read(shape);
+ System.out.println("depth:" + depth.length);
} catch (IOException | InvalidRangeException e) {
throw new RuntimeException(e);
}
@@ -187,6 +189,18 @@
return null;
}
+ ColumnRow cr = getColumnRow(tifFile, x, y);
+ if (cr == null) return null;
+// System.out.println("col:" + cr.col + " ,row:" + cr.row);
+ 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);
+ return result;
+ }
+
+ private static ColumnRow getColumnRow(File tifFile, double x, double y) {
Dataset dataset = gdal.Open(tifFile.getAbsolutePath(), gdalconstConstants.GA_ReadOnly);
// 鑾峰彇鍦扮悊鍙樻崲鍙傛暟锛�6鍏冪礌鏁扮粍锛�
// [0]: 宸︿笂瑙扻鍧愭爣, [1]: 鍍忓厓瀹藉害, [2]: X鏂瑰悜鏃嬭浆,
@@ -201,12 +215,19 @@
log.warn("琛屽垪鍙蜂笉鍦╰if鑼冨洿鍐�");
return null;
}
- float depth = readPixelValue(dataset, col, row, 1);
- float velocity = calcVelocity(dataset, col, row);
- SimuResult result = new SimuResult();
- result.setDepth(depth);
- result.setVelocity(velocity);
- return result;
+ return new ColumnRow(dataset, col, row);
+ }
+
+ private static class ColumnRow {
+ public final Dataset dataset;
+ public final int col;
+ public final int row;
+
+ public ColumnRow(Dataset dataset, int col, int row) {
+ this.dataset = dataset;
+ this.col = col;
+ this.row = row;
+ }
}
private float calcVelocity(Dataset dataset, int col, int row) {
@@ -233,10 +254,11 @@
}
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);
+// 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");
}
}
--
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