package com.yssh.service.impl;
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import java.io.IOException;
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import java.io.StringWriter;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.concurrent.atomic.AtomicInteger;
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import org.geotools.geojson.geom.GeometryJSON;
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import org.locationtech.jts.geom.Coordinate;
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import org.locationtech.jts.geom.Geometry;
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import org.locationtech.jts.geom.GeometryFactory;
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import org.locationtech.jts.triangulate.DelaunayTriangulationBuilder;
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import org.locationtech.jts.triangulate.VoronoiDiagramBuilder;
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import org.springframework.stereotype.Service;
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import com.yssh.dao.ExpPointMapper;
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import com.yssh.entity.ExpPoint;
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import com.yssh.entity.Stratum;
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import com.yssh.service.IExpPointServer;
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import com.yssh.utils.GisUtil;
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import javax.annotation.Resource;
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@Service
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public class ExpPointServerImpl implements IExpPointServer {
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@Resource
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private ExpPointMapper expPointMapper;
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@Override
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public GeometryJSON selectList() throws IOException {
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String sourceCRS = "EPSG:4530";
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String targetCRS = "EPSG:4490";
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List<ExpPoint> list = expPointMapper.selectList();
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System.err.println(list.size());
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/*AtomicInteger i = new AtomicInteger(0);
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Coordinate[] coordinates = new Coordinate[list.size()];*/
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List<Coordinate> coordinates = new ArrayList<>();
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list.forEach(e -> {
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Coordinate transform = GisUtil.coordinateTransform(sourceCRS, targetCRS, e.getOrdinateX(), e.getAbscissaY());
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transform.setZ(e.getElevation());
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coordinates.add(transform);
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});
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//创建Delaunay三角网：
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DelaunayTriangulationBuilder builder = new DelaunayTriangulationBuilder();
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builder.setSites(coordinates);
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Geometry geo = builder.getEdges(new GeometryFactory());
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GeometryJSON geometryJson = new GeometryJSON(6);
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StringWriter writer = new StringWriter();
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geometryJson.write(geo, writer);
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System.err.println(writer.toString());
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writer.close();
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int numPoints = geo.getNumPoints();
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return geometryJson;
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}
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public List<ExpPoint> selectList2() {
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String sourceCRS = "EPSG:4530";
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String targetCRS = "EPSG:4490";
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List<ExpPoint> list = expPointMapper.selectList();
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System.err.println(list.size());
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AtomicInteger i = new AtomicInteger(0);
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Coordinate[] coordinates = new Coordinate[list.size()];
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list.forEach(e -> {
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Coordinate transform = GisUtil.coordinateTransform(sourceCRS, targetCRS, e.getOrdinateX(), e.getAbscissaY());
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transform.setZ(e.getElevation());
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coordinates[i.intValue()] = transform;
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});
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//创建Delaunay三角网：
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/*GeometryFactory geoFactory = new GeometryFactory();
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ConformingDelaunayTriangulationBuilder builder = new ConformingDelaunayTriangulationBuilder();
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builder.setSites(geoFactory.createMultiPointFromCoords(coordinates));*/
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GeometryFactory geoFactory = new GeometryFactory();
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VoronoiDiagramBuilder voronoiBuilder = new VoronoiDiagramBuilder();
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voronoiBuilder.setSites(geoFactory.createMultiPointFromCoords(coordinates));
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Geometry geo =voronoiBuilder.getDiagram(geoFactory);
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int numPoints = geo.getNumPoints();
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/*List<Coordinate> cs = new ArrayList<>(Arrays.asList(geo.getCoordinates()));
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cs.forEach(c -> {
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System.out.println(c.getY() + " " + c.getX() + " " + c.getZ());
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});*/
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System.out.println(numPoints);
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/*String text = union.toText();
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System.out.println(text);*/
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/*List<String> expSiteNumbers = new ArrayList<>();
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list.forEach(e -> {expSiteNumbers.add(e.getExpSiteNumber());});
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//第一层
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List<Stratum> one = stratumMapper.selectByExpSiteNumbers(expSiteNumbers);
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//1、获取一次层结构分类
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List<Stratum> geotechnicalNames = filterGeotechnicalName(one);
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//2、遍历结构分类
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geotechnicalNames.forEach(s -> {
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System.err.println(s.toString());
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Map<String, Object> param = new HashMap<>();
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param.put("expSiteNumber", s.getExpSiteNumber());
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param.put("geotechnicalName", s.getGeotechnicalName());
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param.put("start", 1);
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param.put("rows", 1);
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Stratum stratum = stratumMapper.selectByGeotechnicalName(param);
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System.err.println(stratum);
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});
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List<String> ess = new ArrayList<>();
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one.forEach(s -> {
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String geotechnicalName = "粉质黏土";
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if (s.getGeotechnicalName().equals(geotechnicalName)) {
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Map<String, Object> param = new HashMap<>();
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param.put("expSiteNumber", s.getExpSiteNumber());
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param.put("geotechnicalName", s.getGeotechnicalName());
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param.put("start", 1);
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param.put("rows", 1);
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Stratum stratum = stratumMapper.selectByGeotechnicalName(param);
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if (StringUtils.isNotNull(stratum)) {
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s.setLayerDepth(stratum.getLayerDepth());
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}
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ess.add(s.getExpSiteNumber());
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}
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});
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List<ExpPoint> numbers = expPointMapper.selectByExpSiteNumbers(ess);
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numbers.forEach(e -> {
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Coordinate transform = GisUtil.coordinateTransform(sourceCRS, targetCRS, e.getOrdinateX(), e.getAbscissaY());
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one.forEach(s -> {
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if (s.getExpSiteNumber().equals(e.getExpSiteNumber())) {
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e.setElevation(e.getElevation() - s.getLayerDepth());
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}
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});
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System.err.println("------");
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System.out.println(transform.getY() + " " + transform.getX() + " " + e.getElevation());
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});*/
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/*Boolean flag = true;
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while (flag) {
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}*/
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//第二层
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/*List<Stratum> two = stratumMapper.select(e.getExpSiteNumber(), 1, 1);
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two.forEach(s -> {
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System.out.println(s.toString());
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});
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//第三层
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List<Stratum> three = stratumMapper.select(e.getExpSiteNumber(), 2, 1);
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three.forEach(s -> {
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System.err.println(s.toString());
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});
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System.out.println();*/
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//3、获取第二层该结构的信息
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//4、遍历第三层是满足条件的点位
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return list;
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}
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private List<Stratum> filterGeotechnicalName(List<Stratum> list){
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List<Stratum> result = new ArrayList<Stratum>();
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List<String> temp = new ArrayList<String>();
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list.forEach(e -> {
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String geotechnicalName = e.getGeotechnicalName();
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if (!temp.contains(geotechnicalName)) {
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result.add(e);
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temp.add(geotechnicalName);
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}
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});
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return result;
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}
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}
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