From 6827092435f97dcd7bf557eb01711d24f437ce55 Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期一, 30 九月 2024 18:04:35 +0800
Subject: [PATCH] 1
---
src/main/java/com/se/simu/service/ResultService.java | 50 +++++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 49 insertions(+), 1 deletions(-)
diff --git a/src/main/java/com/se/simu/service/ResultService.java b/src/main/java/com/se/simu/service/ResultService.java
index 84c57a4..64c8645 100644
--- a/src/main/java/com/se/simu/service/ResultService.java
+++ b/src/main/java/com/se/simu/service/ResultService.java
@@ -3,9 +3,16 @@
import cn.hutool.core.io.FileUtil;
import cn.hutool.json.JSONUtil;
import com.se.simu.config.PropertiesConfig;
+import com.se.simu.domain.dto.ExtensionDto;
import com.se.simu.domain.dto.LayerDto;
import com.se.simu.domain.dto.ResultDto;
+import com.se.simu.helper.GdalHelper;
import lombok.extern.slf4j.Slf4j;
+import org.gdal.gdal.Band;
+import org.gdal.gdal.Dataset;
+import org.gdal.gdal.gdal;
+import org.gdal.gdalconst.gdalconst;
+import org.gdal.ogr.Geometry;
import org.springframework.stereotype.Service;
import javax.annotation.Resource;
@@ -47,7 +54,48 @@
}
private void copeTerrain(ResultDto dto, LayerDto layer) {
- //
+ Dataset ds = null;
+ try {
+ ds = gdal.Open(dto.getTerrainFile(), gdalconst.GA_ReadOnly);
+ if (null == ds || 0 == ds.getRasterCount() || null == ds.GetSpatialRef()) return;
+
+ setTerrainInfo(ds, layer);
+ setWaterInfo(dto, layer);
+ createTerrainPng(dto, ds, layer);
+ } finally {
+ if (null != ds) ds.delete();
+ }
+ }
+
+ private void setTerrainInfo(Dataset ds, LayerDto layer) {
+ Geometry minPoint = GdalHelper.getMinPoint(ds);
+ Geometry maxPoint = GdalHelper.getMaxPoint(ds);
+ double minx = getMinVal(minPoint.GetX(0), 10000000);
+ double miny = getMinVal(minPoint.GetY(0), 10000000);
+ double maxx = getMaxVal(maxPoint.GetX(0) + MAX_X_OFFSET, 10000000);
+ double maxy = getMaxVal(maxPoint.GetY(0), 10000000);
+ layer.setExtension(new ExtensionDto(minx, miny, maxx, maxy, Double.MAX_VALUE, Double.MIN_VALUE));
+
+ Band band = ds.GetRasterBand(1);
+ double[] mm = new double[2];
+ band.ComputeRasterMinMax(mm, 0);
+ layer.getTerrain().setHeight(getMinVal(mm[0], 1000), getMaxVal(mm[1], 1000));
+ }
+
+ private static double getMinVal(double val, double radix) {
+ return ((long) Math.floor(val * radix)) / radix;
+ }
+
+ private static double getMaxVal(double val, double radix) {
+ return ((long) Math.ceil(val * radix)) / radix;
+ }
+
+ private void setWaterInfo(ResultDto dto, LayerDto layer) {
+
+ }
+
+ private void createTerrainPng(ResultDto dto, Dataset ds, LayerDto layer) {
+
}
private void copeBuilding(ResultDto dto, LayerDto layer) {
--
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