From 3417cf014a65765e02696c1d121ce58b2b4a8aed Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期二, 08 四月 2025 15:55:36 +0800
Subject: [PATCH] 修改pom.xml
---
src/main/java/com/se/simu/helper/ShpHelper.java | 303 ++++++++++++++++++++++++++++++++++++++++++++++----
1 files changed, 279 insertions(+), 24 deletions(-)
diff --git a/src/main/java/com/se/simu/helper/ShpHelper.java b/src/main/java/com/se/simu/helper/ShpHelper.java
index f6b1587..c205727 100644
--- a/src/main/java/com/se/simu/helper/ShpHelper.java
+++ b/src/main/java/com/se/simu/helper/ShpHelper.java
@@ -2,23 +2,37 @@
import cn.hutool.core.io.FileUtil;
import cn.hutool.json.JSONArray;
-import com.se.simu.domain.SeField;
-import com.se.simu.domain.SeLayer;
+import cn.hutool.json.JSONObject;
+import com.se.simu.domain.dto.GeField;
+import com.se.simu.domain.dto.GeLayer;
import lombok.extern.slf4j.Slf4j;
+import org.gdal.gdal.Dataset;
+import org.gdal.gdal.gdal;
+import org.gdal.gdalconst.gdalconst;
import org.gdal.ogr.*;
+import org.gdal.osr.SpatialReference;
+import java.sql.Timestamp;
+import java.time.LocalDateTime;
import java.util.List;
+import java.util.Map;
+import java.util.Vector;
-/**
- * ShapeFile甯姪绫�
- *
- * @author WWW
- * @date 2024-09-13
- */
@Slf4j
@SuppressWarnings("ALL")
public class ShpHelper {
- public static boolean createShp(String filePath, SeLayer seLayer) {
+ private static Vector<String> options;
+
+ public static Vector<String> getOptions() {
+ if (null == options) {
+ options = new Vector<>();
+ options.add("ENCODING=UTF-8");
+ }
+
+ return options;
+ }
+
+ public static boolean createShp(String filePath, Map<String, Object> map, SpatialReference sr, Double minx, Double miny, Double maxx, Double maxy) {
Driver driver = null;
DataSource dataSource = null;
Layer layer = null;
@@ -29,17 +43,129 @@
dataSource = driver.CreateDataSource(filePath, null);
if (null == dataSource) return false;
- int geoType = getGeometryType(seLayer.getQueryType());
- layer = dataSource.CreateLayer(FileUtil.getName(filePath), seLayer.getDb().getSpatialReference(), geoType);
+ layer = dataSource.CreateLayer(FileUtil.getName(filePath), sr, ogr.wkbPolygon, getOptions());
if (null == layer) return false;
- createLayerFields(layer, seLayer.getFields());
+ if (null != map) createFields(layer, map);
+
+ Feature f = new Feature(layer.GetLayerDefn());
+ Geometry g = createPolygon(sr, minx, miny, maxx, maxy);
+ f.SetGeometry(g);
+ if (null != map) setValues(f, map);
+
+ layer.CreateFeature(f);
+
+ return true;
+ } catch (Exception ex) {
+ log.error(ex.getMessage(), ex);
+ return false;
+ } finally {
+ GdalHelper.delete(layer, dataSource, driver);
+ }
+ }
+
+ private static void createFields(Layer layer, Map<String, Object> map) {
+ for (String key : map.keySet()) {
+ Object val = map.get(key);
+ switch (val.getClass().getTypeName()) {
+ //case "java.math.BigDecimal":
+ case "java.lang.Double":
+ case "double":
+ layer.CreateField(new FieldDefn(key, ogr.OFTReal));
+ break;
+ case "java.lang.Long":
+ case "long":
+ layer.CreateField(new FieldDefn(key, ogr.OFTInteger64));
+ break;
+ case "java.lang.Integer":
+ case "int":
+ layer.CreateField(new FieldDefn(key, ogr.OFTInteger));
+ break;
+ //case "java.sql.Timestamp":
+ //case "java.time.LocalDate":
+ // layer.CreateField(new FieldDefn(key, ogr.OFTDateTime));
+ // break;
+ default:
+ layer.CreateField(new FieldDefn(key, ogr.OFTString));
+ break;
+ }
+ }
+ }
+
+ private static void setValues(Feature f, Map<String, Object> map) {
+ for (String key : map.keySet()) {
+ Object val = map.get(key);
+ switch (val.getClass().getTypeName()) {
+ case "java.lang.Double":
+ case "double":
+ f.SetField(key, Double.parseDouble(val.toString()));
+ break;
+ case "java.lang.Long":
+ case "long":
+ f.SetField(key, Long.parseLong(val.toString()));
+ break;
+ case "java.lang.Integer":
+ case "int":
+ f.SetField(key, Integer.parseInt(val.toString()));
+ break;
+ default:
+ f.SetField(key, val.toString());
+ break;
+ }
+ }
+ }
+
+ public static Geometry createPolygon(SpatialReference sr, Double minx, Double miny, Double maxx, Double maxy) {
+ String epsg = sr.GetAuthorityCode(null);
+ if (!("4326".equals(epsg) || "4490".equals(epsg))) {
+ double[] dmin = GdalHelper.fromWgs84(sr, minx, miny);
+ double[] dmax = GdalHelper.fromWgs84(sr, maxx, maxy);
+ minx = dmin[0];
+ miny = dmin[1];
+ maxx = dmax[0];
+ maxy = dmax[1];
+ }
+
+ Geometry ring = new Geometry(ogr.wkbLinearRing);
+ ring.AddPoint_2D(minx, maxy);
+ ring.AddPoint_2D(maxx, maxy);
+ ring.AddPoint_2D(maxx, miny);
+ ring.AddPoint_2D(minx, miny);
+ ring.AddPoint_2D(minx, maxy);
+
+ Geometry poly = new Geometry(ogr.wkbPolygon);
+ poly.AddGeometry(ring);
+ poly.AssignSpatialReference(sr);
+
+ return poly;
+ }
+
+ public static boolean createShp(String filePath, GeLayer geLayer) {
+ Driver driver = null;
+ DataSource dataSource = null;
+ Layer layer = null;
+ try {
+ driver = ogr.GetDriverByName("ESRI shapefile");
+ if (null == driver) return false;
+
+ dataSource = driver.CreateDataSource(filePath, null);
+ if (null == dataSource) return false;
+
+ int geoType = getGeometryType(geLayer.getQueryType());
+ layer = dataSource.CreateLayer(FileUtil.getName(filePath), geLayer.getDb().getSpatialReference(), geoType, getOptions());
+ if (null == layer) return false;
+
+ createLayerFields(layer, geLayer.getFields());
FeatureDefn featureDefn = layer.GetLayerDefn();
- for (int i = 0, c = seLayer.getData().size(); i < c; i++) {
+ for (int i = 0, c = geLayer.getData().size(); i < c; i++) {
Feature f = new Feature(featureDefn);
- setFeatureData(f, seLayer.getFields(), seLayer.getData().getJSONArray(i));
- Geometry g = createGeometry();
+ JSONObject data = geLayer.getData().getJSONObject(i).getJSONObject("properties");
+ setFeatureData(f, geLayer.getFields(), data);
+
+ JSONObject geom = geLayer.getData().getJSONObject(i).getJSONObject("geometry");
+ Geometry g = createGeometry(geLayer, geom);
+ f.SetGeometry(g);
layer.CreateFeature(f);
}
@@ -53,15 +179,78 @@
}
}
- private static void setFeatureData(Feature f, List<SeField> fields, JSONArray arr) {
- //
-
+ private static void setFeatureData(Feature f, List<GeField> fields, JSONObject data) {
+ for (int i = 0, c = fields.size(); i < c; i++) {
+ GeField geField = fields.get(i);
+ switch (geField.getType()) {
+ case "int":
+ f.SetField(i, data.getInt(geField.getName()));
+ break;
+ case "long":
+ f.SetField(i, data.getLong(geField.getName()));
+ break;
+ case "double":
+ f.SetField(i, data.getDouble(geField.getName()));
+ break;
+ case "datetime":
+ long date = data.getLong(geField.getName());
+ Timestamp time = new Timestamp(date);
+ setTimestamp(f, i, time);
+ break;
+ default:
+ f.SetField(i, data.getStr(geField.getName()));
+ break;
+ }
+ }
}
- private static Geometry createGeometry() {
- Geometry g = null;
- //
+ private static void setTimestamp(Feature f, int i, Timestamp time) {
+ if (null == time) return;
+ LocalDateTime local = time.toLocalDateTime();
+ f.SetField(i, local.getYear(), local.getMonthValue(), local.getDayOfMonth(), local.getHour(), local.getMinute(), local.getSecond(), 8);
+ }
+
+ public static Geometry createGeometry(GeLayer geLayer, JSONObject geom) {
+ String type = geom.getStr("type");
+ JSONArray cs = geom.getJSONArray("coordinates");
+
+ Geometry g = null;
+ switch (type) {
+ case "Point":
+ g = new Geometry(ogr.wkbPoint);
+ g.AddPoint_2D(cs.getDouble(0), cs.getDouble(1));
+ break;
+ case "MultiLineString":
+ g = new Geometry(ogr.wkbMultiLineString);
+ for (int i = 0, c = cs.size(); i < c; i++) {
+ Geometry line = new Geometry(ogr.wkbLineString);
+ JSONArray lineArr = cs.getJSONArray(i);
+ for (int j = 0, d = lineArr.size(); j < d; j++) {
+ JSONArray arr = lineArr.getJSONArray(j);
+ line.AddPoint_2D(arr.getDouble(0), arr.getDouble(1));
+ }
+ g.AddGeometry(line);
+ }
+ break;
+ case "MultiPolygon":
+ g = new Geometry(ogr.wkbMultiPolygon);
+ for (int i = 0, c = cs.size(); i < c; i++) {
+ Geometry poly = new Geometry(ogr.wkbPolygon);
+ JSONArray polyArr = cs.getJSONArray(i);
+ for (int j = 0, d = polyArr.size(); j < d; j++) {
+ Geometry ring = new Geometry(ogr.wkbLinearRing);
+ JSONArray ringArr = polyArr.getJSONArray(j);
+ for (int k = 0, e = ringArr.size(); k < e; k++) {
+ JSONArray arr = ringArr.getJSONArray(k);
+ ring.AddPoint_2D(arr.getDouble(0), arr.getDouble(1));
+ }
+ poly.AddGeometry(ring);
+ }
+ g.AddGeometry(poly);
+ }
+ break;
+ }
return g;
}
@@ -78,16 +267,16 @@
}
}
- private static void createLayerFields(Layer layer, List<SeField> fields) {
+ private static void createLayerFields(Layer layer, List<GeField> fields) {
for (int i = 0, c = fields.size(); i < c; i++) {
- SeField f = fields.get(i);
+ GeField f = fields.get(i);
FieldDefn fd = new FieldDefn(f.getName(), getFieldType(f));
layer.CreateField(fd, i);
}
}
- private static Integer getFieldType(SeField f) {
+ private static Integer getFieldType(GeField f) {
switch (f.getType()) {
case "int":
return ogr.OFTInteger;
@@ -101,4 +290,70 @@
return ogr.OFTString;
}
}
+
+ private String getEpsg(SpatialReference sr) {
+ return sr.GetAuthorityCode(null);
+ }
+
+ public static boolean polygonize2Shp(Dataset ds, String filePath) {
+ Driver driver = null;
+ DataSource dataSource = null;
+ Layer layer = null;
+ try {
+ driver = ogr.GetDriverByName("ESRI shapefile");
+ if (null == driver) return false;
+
+ dataSource = driver.CreateDataSource(filePath, null);
+ if (null == dataSource) return false;
+
+ layer = dataSource.CreateLayer(FileUtil.getName(filePath), ds.GetSpatialRef(), ogr.wkbPolygon, getOptions());
+ if (null == layer) return false;
+
+ layer.CreateField(new FieldDefn("val", ogr.OFTReal));
+
+ gdal.Polygonize(ds.GetRasterBand(1), ds.GetRasterBand(1).GetMaskBand(), layer, 0);
+
+ return true;
+ } catch (Exception ex) {
+ log.error(ex.getMessage(), ex);
+ return false;
+ } finally {
+ GdalHelper.delete(layer, dataSource, driver);
+ }
+ }
+
+ public static boolean polygonize2Geojson(Dataset ds, String filePath) {
+ Driver driver = null;
+ DataSource dataSource = null;
+ Layer layer = null;
+ try {
+ driver = ogr.GetDriverByName("GeoJSON");
+ if (null == driver) return false;
+
+ dataSource = driver.CreateDataSource(filePath, null);
+ if (null == dataSource) return false;
+
+ layer = dataSource.CreateLayer(FileUtil.getName(filePath), ds.GetSpatialRef(), ogr.wkbPolygon);
+ if (null == layer) return false;
+
+ layer.CreateField(new FieldDefn("val", ogr.OFTReal));
+
+ gdal.Polygonize(ds.GetRasterBand(1), ds.GetRasterBand(1).GetMaskBand(), layer, 0);
+
+ return true;
+ } catch (Exception ex) {
+ log.error(ex.getMessage(), ex);
+ return false;
+ } finally {
+ GdalHelper.delete(layer, dataSource, driver);
+ }
+ }
+
+ public static void test() {
+ String path = "D:\\simu\\out\\20241010095328\\waters\\1730217635000\\";
+
+ Dataset ds = gdal.Open(path + "water.tif", gdalconst.GA_ReadOnly);
+ ds.SetSpatialRef(GdalHelper.createSpatialReference(4548));
+ polygonize2Geojson(ds, path + "water.geojson");
+ }
}
--
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