From a7766f8c1619fde0ea8233fd078205031bab54ef Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期二, 16 七月 2024 17:13:25 +0800
Subject: [PATCH] 创建金字塔
---
src/main/java/com/se/simu/helper/GdalHelper.java | 42 ++++++++++++++++++++++++++++++++++++++----
1 files changed, 38 insertions(+), 4 deletions(-)
diff --git a/src/main/java/com/se/simu/helper/GdalHelper.java b/src/main/java/com/se/simu/helper/GdalHelper.java
index 5de0452..5c03481 100644
--- a/src/main/java/com/se/simu/helper/GdalHelper.java
+++ b/src/main/java/com/se/simu/helper/GdalHelper.java
@@ -1,7 +1,11 @@
package com.se.simu.helper;
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.gdalconst.gdalconstConstants;
import org.gdal.ogr.ogr;
import java.io.File;
@@ -15,6 +19,9 @@
@Slf4j
@SuppressWarnings("ALL")
public class GdalHelper {
+ /**
+ * 鍒濆鍖�
+ */
public static void init(String gdalPath) {
// 鏀寔涓枃璺緞
gdal.SetConfigOption("GDAL_FILENAME_IS_UTF8", "YES");
@@ -25,10 +32,10 @@
// 閰嶇疆鐜鍙橀噺
if (!StringHelper.isEmpty(gdalPath)) {
- gdal.SetConfigOption("GDAL_DATA", gdalPath + File.separator + "gdal-data");
- gdal.SetConfigOption("PROJ_LIB", gdalPath + File.separator + "proj7" + File.separator + "share");
- //System.setProperty("PROJ_LIB", gdalPath + File.separator + "proj7" + File.separator + "share")
- gdal.SetConfigOption("GDAL_DRIVER_PATH", gdalPath + File.separator + "gdalplugins");
+ gdal.SetConfigOption("GDAL_DATA", gdalPath + "/gdal-data");
+ gdal.SetConfigOption("PROJ_LIB", gdalPath + "/proj7/share");
+ //System.setProperty("PROJ_LIB", gdalPath + "/proj7/share")
+ gdal.SetConfigOption("GDAL_DRIVER_PATH", gdalPath + "/gdalplugins");
String path = System.getenv("PATH");
if (!path.contains(gdalPath)) {
@@ -40,4 +47,31 @@
gdal.AllRegister();
ogr.RegisterAll();
}
+
+ /**
+ * 鍒涘缓閲戝瓧濉�
+ */
+ public static void createPyramid(String file) {
+ try {
+ File f = new File(file);
+ if (!f.exists() || f.isDirectory()) {
+ return;
+ }
+
+ Dataset ds = gdal.Open(file, gdalconst.GA_ReadOnly);
+ if (null == ds) {
+ return;
+ }
+
+ // 鍒涘缓閲戝瓧濉�
+ Band band = ds.GetRasterBand(1);
+ if (0 == band.GetOverviewCount()) {
+ ds.BuildOverviews("nearest", new int[]{2, 4, 6, 8, 16}, null);
+ }
+
+ ds.delete();
+ } catch (Exception ex) {
+ log.error(ex.getMessage(), ex);
+ }
+ }
}
--
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