From 92fd3ce2a44b27dd931ee68a0f604e1af6d1b498 Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期一, 11 九月 2023 10:21:34 +0800
Subject: [PATCH] 修改栅格分析-1
---
src/main/java/com/moon/server/service/data/RasterAnalysisService.java | 148 ++++++++++++++++++++++++++++---------------------
1 files changed, 85 insertions(+), 63 deletions(-)
diff --git a/src/main/java/com/moon/server/service/data/RasterAnalysisService.java b/src/main/java/com/moon/server/service/data/RasterAnalysisService.java
index dad196e..fcd5f35 100644
--- a/src/main/java/com/moon/server/service/data/RasterAnalysisService.java
+++ b/src/main/java/com/moon/server/service/data/RasterAnalysisService.java
@@ -1,5 +1,6 @@
package com.moon.server.service.data;
+import com.moon.server.entity.data.AnalysisResultEntity;
import org.gdal.gdal.Band;
import org.gdal.gdal.Dataset;
import org.gdal.gdal.WarpOptions;
@@ -15,79 +16,30 @@
/**
* 鏍呮牸鍒嗘瀽鏈嶅姟
* @author LJW
- * @date 2023-9-1 6:16
+ * @date 2023-09-01 6:16
*/
@Service
public class RasterAnalysisService {
- public static Dataset clipRaster(Dataset dataset, Geometry geometry) {
- Vector<String> warpOptions = new Vector<>();
- warpOptions.add("-crop_to_cutline");
- warpOptions.add("-cutline");
- warpOptions.add(geometry.ExportToWkt());
- warpOptions.add("-dstalpha");
+ public List<AnalysisResultEntity> analysisPoint(String wkt, Integer pixel) {
+ List<AnalysisResultEntity> rs = new ArrayList<>();
+ //
- return gdal.Warp("", new Dataset[]{dataset}, new WarpOptions(warpOptions));
+ return rs;
}
- public double[] processClippedDataByLine(String imagePath, String geometryString) {
- // 娉ㄥ唽GDAL椹卞姩
- gdal.AllRegister();
- // 鎵撳紑鏍呮牸鍥惧儚鏁版嵁闆�
- Dataset dataset = gdal.Open(imagePath);
- if (dataset == null) {
- throw new RuntimeException("Failed to open raster dataset.");
- }
+ public List<AnalysisResultEntity> analysisPolyline(String wkt) {
+ List<AnalysisResultEntity> rs = new ArrayList<>();
+ //
- Geometry geometry = Geometry.CreateFromWkt(geometryString);
+ return rs;
+ }
+ public List<AnalysisResultEntity> analysisPolygon(String wkt) {
+ List<AnalysisResultEntity> rs = new ArrayList<>();
+ //
- Dataset clippedDataset = clipRaster(dataset, geometry);
-
- int width = clippedDataset.GetRasterXSize();
- int height = clippedDataset.GetRasterYSize();
- int bandCount = clippedDataset.getRasterCount();
-
- List<double[]> sum = new ArrayList<>();
- for (int bandIndex = 1; bandIndex <= bandCount; bandIndex++) {
- Band band = clippedDataset.GetRasterBand(bandIndex);
-
- double[] pixelValues = new double[width * height];
- band.ReadRaster(0, 0, width, height, pixelValues);
-
- sum.add(pixelValues);
- }
-
- return calculateAverage(sum);
+ return rs;
}
- public double processClippedDataByPolygon(String imagePath, String geometryString) {
- // 娉ㄥ唽GDAL椹卞姩
- gdal.AllRegister();
- // 鎵撳紑鏍呮牸鍥惧儚鏁版嵁闆�
- Dataset dataset = gdal.Open(imagePath);
- if (dataset == null) {
- throw new RuntimeException("Failed to open raster dataset.");
- }
-
- Geometry geometry = Geometry.CreateFromWkt(geometryString);
-
- Dataset clippedDataset = clipRaster(dataset, geometry);
-
- int width = clippedDataset.GetRasterXSize();
- int height = clippedDataset.GetRasterYSize();
- int bandCount = clippedDataset.getRasterCount();
-
- double[] bandSum = new double[bandCount];
- for (int bandIndex = 1; bandIndex <= bandCount; bandIndex++) {
- Band band = clippedDataset.GetRasterBand(bandIndex);
-
- double[] pixelValues = new double[width * height];
- band.ReadRaster(0, 0, width, height, pixelValues);
-
- // 澶氭尝娈靛綊涓�鍖栧鐞�
- bandSum[bandIndex - 1] = average(pixelValues);
- }
- return average(bandSum);
- }
public double processPoint(String imagePath, String geometryString, int size) {
// 鎵撳紑鏍呮牸鍥惧儚鏁版嵁闆�
@@ -219,6 +171,76 @@
return average(calculateAverage(sum));
}
+ public static Dataset clipRaster(Dataset dataset, Geometry geometry) {
+ Vector<String> warpOptions = new Vector<>();
+ warpOptions.add("-crop_to_cutline");
+ warpOptions.add("-cutline");
+ warpOptions.add(geometry.ExportToWkt());
+ warpOptions.add("-dstalpha");
+
+ return gdal.Warp("", new Dataset[]{dataset}, new WarpOptions(warpOptions));
+ }
+
+ public double[] processClippedDataByLine(String imagePath, String geometryString) {
+ // 娉ㄥ唽GDAL椹卞姩
+ gdal.AllRegister();
+ // 鎵撳紑鏍呮牸鍥惧儚鏁版嵁闆�
+ Dataset dataset = gdal.Open(imagePath);
+ if (dataset == null) {
+ throw new RuntimeException("Failed to open raster dataset.");
+ }
+
+ Geometry geometry = Geometry.CreateFromWkt(geometryString);
+
+ Dataset clippedDataset = clipRaster(dataset, geometry);
+
+ int width = clippedDataset.GetRasterXSize();
+ int height = clippedDataset.GetRasterYSize();
+ int bandCount = clippedDataset.getRasterCount();
+
+ List<double[]> sum = new ArrayList<>();
+ for (int bandIndex = 1; bandIndex <= bandCount; bandIndex++) {
+ Band band = clippedDataset.GetRasterBand(bandIndex);
+
+ double[] pixelValues = new double[width * height];
+ band.ReadRaster(0, 0, width, height, pixelValues);
+
+ sum.add(pixelValues);
+ }
+
+ return calculateAverage(sum);
+ }
+
+ public double processClippedDataByPolygon(String imagePath, String geometryString) {
+ // 娉ㄥ唽GDAL椹卞姩
+ gdal.AllRegister();
+ // 鎵撳紑鏍呮牸鍥惧儚鏁版嵁闆�
+ Dataset dataset = gdal.Open(imagePath);
+ if (dataset == null) {
+ throw new RuntimeException("Failed to open raster dataset.");
+ }
+
+ Geometry geometry = Geometry.CreateFromWkt(geometryString);
+
+ Dataset clippedDataset = clipRaster(dataset, geometry);
+
+ int width = clippedDataset.GetRasterXSize();
+ int height = clippedDataset.GetRasterYSize();
+ int bandCount = clippedDataset.getRasterCount();
+
+ double[] bandSum = new double[bandCount];
+ for (int bandIndex = 1; bandIndex <= bandCount; bandIndex++) {
+ Band band = clippedDataset.GetRasterBand(bandIndex);
+
+ double[] pixelValues = new double[width * height];
+ band.ReadRaster(0, 0, width, height, pixelValues);
+
+ // 澶氭尝娈靛綊涓�鍖栧鐞�
+ bandSum[bandIndex - 1] = average(pixelValues);
+ }
+ return average(bandSum);
+ }
+
public static double average(double[] values) {
double sum = 0;
for (double value : values) {
--
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