From ca8d3861b4e9a28beead77e81ecfa23d15d5eb5f Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期日, 29 九月 2024 09:36:42 +0800
Subject: [PATCH] 获取CPU核心数
---
src/main/java/com/se/simu/helper/GdalHelper.java | 146 ++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 146 insertions(+), 0 deletions(-)
diff --git a/src/main/java/com/se/simu/helper/GdalHelper.java b/src/main/java/com/se/simu/helper/GdalHelper.java
new file mode 100644
index 0000000..32ca4ff
--- /dev/null
+++ b/src/main/java/com/se/simu/helper/GdalHelper.java
@@ -0,0 +1,146 @@
+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.ogr.DataSource;
+import org.gdal.ogr.Driver;
+import org.gdal.ogr.Layer;
+import org.gdal.ogr.ogr;
+import org.gdal.osr.SpatialReference;
+import org.gdal.osr.osr;
+
+import java.io.File;
+
+/**
+ * GDAL甯姪绫�
+ *
+ * @author WWW
+ * @date 2024-09-12
+ */
+@Slf4j
+@SuppressWarnings("ALL")
+public class GdalHelper {
+ public final static int I4326 = 4326;
+
+ public final static int I4490 = 4490;
+
+ public static SpatialReference SR4326;
+
+ public static SpatialReference SR4490;
+
+ public final static String CGCS2000 = "CGCS2000";
+
+ /**
+ * 鍒濆鍖�
+ */
+ public static void init(String gdalPath) {
+ // 閰嶇疆鐜鍙橀噺
+ if (!StringHelper.isEmpty(gdalPath)) {
+ if (WebHelper.isWin()) {
+ 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)) {
+ System.setProperty("PATH", path + ";" + gdalPath);
+ }
+ } else {
+ //System.setProperty("java.library.path", gdalPath);
+ }
+ }
+
+ // 鏀寔涓枃璺緞
+ gdal.SetConfigOption("GDAL_FILENAME_IS_UTF8", "YES");
+ // 灞炴�ц〃鏀寔涓枃锛欳P936
+ gdal.SetConfigOption("SHAPE_ENCODING", "");
+ gdal.SetConfigOption("PGEO_DRIVER_TEMPLATE", "DRIVER=Microsoft Access Driver (*.mdb, *.accdb);DBQ=%s");
+ gdal.SetConfigOption("MDB_DRIVER_TEMPLATE", "DRIVER=Microsoft Access Driver (*.mdb, *.accdb);DBQ=%s");
+
+ // 娉ㄥ唽鎵�鏈夌殑椹卞姩
+ gdal.AllRegister();
+ ogr.RegisterAll();
+ initSr();
+ }
+
+ /**
+ * 鍒濆鍖栧潗鏍囩郴
+ * <p>
+ * https://blog.csdn.net/CallmeAdo/article/details/127558139
+ */
+ public static void initSr() {
+ try {
+ SR4326 = new SpatialReference();
+ SR4326.ImportFromEPSG(I4326);
+ // 瀵逛簬lat/long椤哄簭鐨勫湴鐞咰RS锛屾暟鎹粛鐒舵槸long/lat椤哄簭鐨�
+ SR4326.SetAxisMappingStrategy(osr.OAMS_TRADITIONAL_GIS_ORDER);
+
+ SR4490 = new SpatialReference();
+ SR4490.ImportFromEPSG(I4490);
+ SR4490.SetAxisMappingStrategy(osr.OAMS_TRADITIONAL_GIS_ORDER);
+ } catch (Exception ex) {
+ log.error(ex.getMessage(), ex);
+ }
+ }
+
+ /**
+ * 鍒涘缓閲戝瓧濉�
+ */
+ public static void createPyramid(String file) {
+ Dataset ds = null;
+ try {
+ File f = new File(file);
+ if (!f.exists() || f.isDirectory()) {
+ return;
+ }
+
+ ds = gdal.Open(file, gdalconst.GA_ReadOnly);
+ if (null == ds || ds.getRasterCount() < 1 || null == ds.GetSpatialRef()) {
+ 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);
+ }
+ } catch (Exception ex) {
+ log.error(ex.getMessage(), ex);
+ } finally {
+ if (null != ds) {
+ ds.delete();
+ }
+ }
+ }
+
+ /**
+ * 閿�姣佽祫婧�
+ */
+ public static void delete(Layer layer, DataSource dataSource, Driver driver) {
+ try {
+ if (null != layer) {
+ layer.delete();
+ }
+ } catch (Exception ex) {
+ log.error(ex.getMessage(), ex);
+ }
+ try {
+ if (null != dataSource) {
+ dataSource.delete();
+ }
+ } catch (Exception ex) {
+ log.error(ex.getMessage(), ex);
+ }
+ try {
+ if (null != driver) {
+ driver.delete();
+ }
+ } catch (Exception ex) {
+ log.error(ex.getMessage(), ex);
+ }
+ }
+}
--
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