From a088987e7ab7005db1bb1da61dfc0cf420e02d78 Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期三, 13 十一月 2024 17:11:28 +0800
Subject: [PATCH] 1
---
src/main/java/com/moon/server/helper/GdalHelper.java | 55 ++-----------------------------------------------------
1 files changed, 2 insertions(+), 53 deletions(-)
diff --git a/src/main/java/com/moon/server/helper/GdalHelper.java b/src/main/java/com/moon/server/helper/GdalHelper.java
index 08ba1cc..4576d60 100644
--- a/src/main/java/com/moon/server/helper/GdalHelper.java
+++ b/src/main/java/com/moon/server/helper/GdalHelper.java
@@ -21,23 +21,16 @@
import java.util.List;
import java.util.Map;
-/**
- * GDAL甯姪绫�
- * @author WWW
- */
@SuppressWarnings("ALL")
public class GdalHelper {
private final static Log log = LogFactory.getLog(GdalHelper.class);
public static void init(String 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");
- // 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");
@@ -50,17 +43,11 @@
}
}
- // 娉ㄥ唽鎵�鏈夌殑椹卞姩
gdal.AllRegister();
ogr.RegisterAll();
GeoHelper.initSr();
}
- /**
- * 璇诲彇tif鏂囦欢
- *
- * @param fileName
- */
public static void readTif(String fileName) {
// 璇诲彇褰卞儚鏁版嵁
Dataset dataset = gdal.Open(fileName, gdalconstConstants.GA_ReadOnly);
@@ -69,32 +56,23 @@
return;
}
- // providing various methods for a format specific driver.
Driver driver = dataset.GetDriver();
System.out.println("driver name: " + driver.getLongName());
- // 璇诲彇褰卞儚淇℃伅
int xSize = dataset.getRasterXSize();
int ySzie = dataset.getRasterYSize();
int rasterCount = dataset.getRasterCount();
System.out.println("dataset xSize: " + xSize + ", ySzie = " + ySzie + ", rasterCount = " + rasterCount);
Band band = dataset.GetRasterBand(1);
- // the data type of the band.
int type = band.GetRasterDataType();
System.out.println("data type = " + type + ", " + (type == gdalconstConstants.GDT_Byte));
- // Frees the native resource associated to a Dataset object and close the file.
dataset.delete();
gdal.GDALDestroyDriverManager();
}
- /**
- * 璇诲彇shp鏂囦欢
- *
- * @param filePath
- */
public static void readShp(String filePath) {
try {
org.gdal.ogr.Driver driver = ogr.GetDriverByName("ESRI shapefile");
@@ -120,10 +98,8 @@
Map<String, Object> fieldMap = new HashMap(5);
for (int i = 0, count = featureDefn.GetFieldCount(); i < count; i++) {
FieldDefn fieldDefn = featureDefn.GetFieldDefn(i);
- //寰楀埌灞炴�у瓧娈电被鍨�
int fieldType = fieldDefn.GetFieldType();
String fieldTypeName = fieldDefn.GetFieldTypeName(fieldType);
- //寰楀埌灞炴�у瓧娈靛悕绉�
String fieldName = fieldDefn.GetName();
fieldMap.put(fieldTypeName, fieldName);
@@ -159,20 +135,16 @@
dataSource = driver.Open(filePath, 0);
int num = dataSource.GetLayerCount();
for (int i = 0; i < num; i++) {
- // 鑾峰彇鍥惧眰
Layer layer = dataSource.GetLayer(i);
- // 琛ㄥ悕绉�
String strlayerName = layer.GetName();
- // 鑾峰彇鍥惧眰瑕佹暟涓暟
long count = layer.GetFeatureCount();
if (0 != count) {
do {
- // 鑾峰彇鍥惧眰涓嬬殑瑕佺礌
Feature feature = layer.GetNextFeature();
if (null == feature) {
break;
}
- // 鑾峰彇杈圭晫鍧愭爣
+
Geometry geometry = feature.GetGeometryRef();
if (geometry != null) {
String geometryJson = geometry.ExportToJson();
@@ -192,7 +164,6 @@
}
}
Map map = new HashMap(5);
- //鑾峰彇灞炴��
for (int p = 0; p < feature.GetFieldCount(); p++) {
map.put(feature.GetFieldDefnRef(p).GetName(), getProperty(feature, p));
}
@@ -214,11 +185,6 @@
}
}
- /**
- * 璇诲彇gdb鏂囦欢
- *
- * @param filePath
- */
public static void readGdb(String filePath) {
try {
org.gdal.ogr.Driver driver = ogr.GetDriverByName("OpenFileGDB");
@@ -228,20 +194,16 @@
DataSource dataSource = driver.Open(filePath, 0);
for (int i = 0, count = dataSource.GetLayerCount(); i < count; i++) {
- // 鑾峰彇鍥惧眰
Layer layer = dataSource.GetLayer(i);
System.out.println(i + "\t" + layer.GetName());
do {
- // 鑾峰彇鍥惧眰涓嬬殑瑕佺礌
Feature feature = layer.GetNextFeature();
if (null == feature) {
break;
}
- // 鑾峰彇鏍峰紡锛岃繖閲屾槸绌猴紝寰呯‘瀹�
+
System.out.println(feature.GetStyleString());
- // 鑾峰彇geometry锛屼篃鍙互ExportToWkb() gml绛夌瓑
System.out.println(feature.GetGeometryRef().ExportToWkt());
- // 鑾峰彇灞炴��
System.out.println("----------------------------------");
for (int p = 0; p < feature.GetFieldCount(); p++) {
System.out.println(feature.GetFieldDefnRef(p).GetName() + "\t" + getProperty(feature, p));
@@ -275,26 +237,13 @@
}
}
- /**
- * 灞炴�ц幏鍙栧櫒
- */
@FunctionalInterface
private interface PropertyGetter {
- /**
- * 鑾峰彇灞炴��
- *
- * @param feature
- * @param index
- * @return
- */
Object get(Feature feature, int index);
}
private static final PropertyGetter STRING_PROPERTY_GETTER = (feature, index) -> feature.GetFieldAsString(index);
- /**
- * feature.GetFieldType(index)寰楀埌涓�涓睘鎬х被鍨嬬殑int鍊�,璇ュ�煎搴斿叿浣撶被鍨�
- */
private static final PropertyGetter[] PROPERTY_GETTERS = new PropertyGetter[]{
// 0-Integer
(feature, index) -> feature.GetFieldAsInteger(index),
--
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