864 lines
43 KiB
Java
864 lines
43 KiB
Java
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package org.example.test;
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import org.example.alpha.AlphaShape;
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import org.example.alpha.Vector2D;
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import org.gdal.gdal.Dataset;
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import org.gdal.gdal.Driver;
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import org.gdal.gdal.WarpOptions;
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import org.gdal.gdal.gdal;
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import org.gdal.gdalconst.gdalconst;
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import org.geotools.api.feature.simple.SimpleFeature;
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import org.geotools.api.feature.simple.SimpleFeatureType;
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import org.geotools.api.geometry.Bounds;
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import org.geotools.api.geometry.Position;
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import org.geotools.api.style.Style;
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import org.geotools.coverage.grid.GridCoordinates2D;
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import org.geotools.coverage.grid.GridCoverage2D;
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import org.geotools.coverage.grid.GridGeometry2D;
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import org.geotools.coverage.processing.Operations;
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import org.geotools.feature.DefaultFeatureCollection;
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import org.geotools.feature.simple.SimpleFeatureBuilder;
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import org.geotools.feature.simple.SimpleFeatureTypeBuilder;
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import org.geotools.gce.geotiff.GeoTiffReader;
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import org.geotools.geojson.feature.FeatureJSON;
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import org.geotools.geojson.geom.GeometryJSON;
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import org.geotools.geometry.Position2D;
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import org.geotools.geometry.jts.ReferencedEnvelope;
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import org.geotools.map.FeatureLayer;
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import org.geotools.map.Layer;
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import org.geotools.map.MapContent;
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import org.geotools.referencing.crs.DefaultGeographicCRS;
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import org.geotools.styling.SLD;
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import org.geotools.swing.JMapFrame;
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import org.geotools.util.factory.Hints;
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import org.locationtech.jts.geom.Point;
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import org.locationtech.jts.geom.Polygon;
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import org.locationtech.jts.geom.*;
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import org.locationtech.jts.operation.buffer.BufferOp;
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import org.locationtech.jts.operation.buffer.BufferParameters;
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import org.springframework.beans.factory.annotation.Value;
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import javax.media.jai.Interpolation;
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import javax.media.jai.InterpolationBicubic2;
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import java.awt.*;
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import java.io.File;
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import java.util.List;
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import java.util.*;
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public class CreateRingGridFixGeo {
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/**
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* 必须注册
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*/
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static {
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gdal.AllRegister();
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}
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public static GridCoverage2D coverage;
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public static String inputDemPath = "E:\\data\\CB测试\\geospatial_data_cloud\\ASTGTMV003_N30E119_dem.tif";
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public static String outputDemPath = "E:\\data\\CB测试\\geospatial_data_cloud\\resample\\coverage_geo.tif";
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public static double extendLen = 100;
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public static GeometryFactory geometryFactory = new GeometryFactory();
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public static List<Map<String,Object>> fillPoints;
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public static List<Map<String,Object>> cutPoints;
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public static double cutAllSum = 0;
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public static double fillAllSum = 0;
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public static double meter = 2; // 间距,单位为米。
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public static double range = 10;//容差
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public static boolean isProjcetion = false;
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public static boolean isResample = true;
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private static SimpleFeatureType createFeatureType() {
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SimpleFeatureTypeBuilder builder = new SimpleFeatureTypeBuilder();
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builder.setName("Location");
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builder.setCRS(DefaultGeographicCRS.WGS84); // <- Coordinate reference system
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// add attributes in order
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builder.add("the_geom", Polygon.class);
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builder.length(15).add("name", String.class); // <- 15 chars width for name field
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builder.add("id", Integer.class);
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// build the type
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final SimpleFeatureType LOCATION = builder.buildFeatureType();
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return LOCATION;
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}
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private static SimpleFeatureType createLineStringFeatureType() {
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SimpleFeatureTypeBuilder builder = new SimpleFeatureTypeBuilder();
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builder.setName("Location");
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builder.setCRS(DefaultGeographicCRS.WGS84); // <- Coordinate reference system
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// add attributes in order
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builder.add("the_geom", LineString.class);
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builder.length(15).add("name", String.class); // <- 15 chars width for name field
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builder.add("id", Integer.class);
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// build the type
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final SimpleFeatureType LOCATION = builder.buildFeatureType();
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return LOCATION;
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}
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private static SimpleFeatureType createPointFeatureType() {
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SimpleFeatureTypeBuilder builder = new SimpleFeatureTypeBuilder();
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builder.setName("Location");
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builder.setCRS(DefaultGeographicCRS.WGS84); // <- Coordinate reference system
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// add attributes in order
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builder.add("the_geom", Point.class);
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// builder.length(15).add("name", String.class); // <- 15 chars width for name field
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builder.add("id", String.class);
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builder.add("bottomHeight", double.class);
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builder.add("topHeight", double.class);
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builder.add("elev", double.class);
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return builder.buildFeatureType();
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}
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public static void main(String[] args) throws Exception{
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loadDem(inputDemPath);
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GeometryFactory geometryFactory = new GeometryFactory();
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List<double[]> coords = new ArrayList(){{
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// 新给的dem,自己画的
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// add(new double[]{469037.331529372138903, 3348374.219233838375658 });
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// add(new double[]{469256.397423173999414, 3348360.942513002082705 });
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// add(new double[]{469246.439882546663284, 3348171.749241081997752 });
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// add(new double[]{469014.097267908335198, 3348194.983502545859665 });
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// add(new double[]{469037.331529372138903, 3348374.219233838375658});
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add(new double[]{119.678274321091934, 30.254540850428963 });
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add(new double[]{119.680550940139568, 30.254426658580112 });
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add(new double[]{119.680452999081325, 30.252719786115247 });
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add(new double[]{119.678038175380664, 30.252923459684105 });
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add(new double[]{119.678274321091934, 30.254540850428963 });
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}};
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// 创建矩形的四个角点坐标
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Coordinate[] coordinates = new Coordinate[5];
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coordinates[0] = new Coordinate(coords.get(0)[0], coords.get(0)[1]);
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coordinates[1] = new Coordinate(coords.get(1)[0], coords.get(1)[1]);
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coordinates[2] = new Coordinate(coords.get(2)[0], coords.get(2)[1]);
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coordinates[3] = new Coordinate(coords.get(3)[0], coords.get(3)[1]);
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// 闭合多边形，复制第一个坐标作为最后一个坐标
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coordinates[4] = new Coordinate(coords.get(0)[0], coords.get(0)[1]);
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// 计算设计标高，取四个角的高程平均值
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// double centerHeight = getElevation(rectangle.getCentroid());
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double corner1Height = getElevation( geometryFactory.createPoint(coordinates[0]));
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double corner2Height = getElevation( geometryFactory.createPoint(coordinates[1]));
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double corner3Height = getElevation( geometryFactory.createPoint(coordinates[2]));
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double corner4Height = getElevation( geometryFactory.createPoint(coordinates[3]));
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double targetHeight = (corner1Height+corner2Height+corner3Height+corner4Height)/4;
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// double targetHeight = 158.5;
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// double targetHeight = 145.7851371725257;
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System.out.println("初始标高："+targetHeight);
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double startTime = System.currentTimeMillis();
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Polygon rectangle = geometryFactory.createPolygon(coordinates);
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// resampleDem(rectangle);
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if(isResample){
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// 重采样设置
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BufferParameters bufferParameters = new BufferParameters();
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bufferParameters.setEndCapStyle(BufferParameters.CAP_FLAT);
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bufferParameters.setJoinStyle(BufferParameters.JOIN_MITRE);
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BufferOp bufOp = new BufferOp(rectangle,bufferParameters);
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Polygon bufferLinePolygon = (Polygon)bufOp.getResultGeometry(isProjcetion?extendLen:meter2degree(extendLen));
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double resampleStartTime = System.currentTimeMillis();
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double distance = isProjcetion?meter:meter2degree(meter);
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reSample(bufferLinePolygon.getEnvelope(),inputDemPath,outputDemPath,distance,distance);
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loadDem(outputDemPath);
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System.out.println("重采样耗时："+(System.currentTimeMillis()-resampleStartTime)+"毫秒");
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}
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double allSum = calcBlanceHeight(rectangle,targetHeight);
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// double firstSum =0;
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// double step = 2;//起始步长
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// double nextHeight=targetHeight;
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// int count = 1;
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// while (Math.abs(allSum)-range>0){
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// // if((firstSum>0&&allSum<0)||(firstSum<0&&allSum>0)){
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// // fix: 采用线性方式去计算步长
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// step = step*Math.abs(allSum)/Math.abs(firstSum-allSum);
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// // }
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// nextHeight = allSum<0?nextHeight-step:nextHeight+step;
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// firstSum = calcBlanceHeight(rectangle,nextHeight);
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// count++;
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// System.out.println("firstSum:"+firstSum+"\t"+nextHeight);
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// if(Math.abs(firstSum)-range<0){
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// allSum = firstSum;
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// break;
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// }
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// // if((firstSum>0&&allSum<0)||(firstSum<0&&allSum>0)){
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// // fix: 采用线性方式去计算步长
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// step = step*Math.abs(firstSum)/Math.abs(firstSum-allSum);
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// // }
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// double tmpHeight = firstSum<0?nextHeight-step:nextHeight+step;
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// allSum = calcBlanceHeight(rectangle,tmpHeight);
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// count++;
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// if(Math.abs(tmpHeight-nextHeight)<0.0001){
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// nextHeight = tmpHeight;
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// break;
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// }
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// nextHeight = tmpHeight;
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// System.out.println("allSum:"+allSum+"\t"+nextHeight);
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// }
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//
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// // double radius = meter2degree(meter);
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// double radius = isProjcetion?meter:meter2degree(meter);
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// SimpleFeature cutBoundary = searchBourdary(cutPoints,radius,"挖方边界线");
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// SimpleFeature fillBoundary = searchBourdary(fillPoints,radius,"填方边界线");
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// FeatureJSON featureJSON = new FeatureJSON(new GeometryJSON(8));
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//
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// System.out.println("理想标高:"+nextHeight);
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// System.out.println("总挖方量："+cutAllSum);
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// System.out.println("总填方量："+fillAllSum);
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// System.out.println("填挖方差值："+allSum);
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//
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// System.out.println("单次耗时："+(System.currentTimeMillis()-startTime)+"毫秒");
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//
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// System.out.println("总填方格子数量："+fillPoints.size());
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// System.out.println("总挖方格子数量："+cutPoints.size());
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//
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// System.out.println("耗时："+(System.currentTimeMillis()-startTime));
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//
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// System.out.println("挖方边界线:"+featureJSON.toString(cutBoundary));
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// System.out.println("填方边界线:"+featureJSON.toString(fillBoundary));
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// 输出：理想标高、总挖方量、总填方量、填挖方差值、边界数据
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}
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public static double calcBlanceHeight(Polygon rectangle ,double targetHeight) throws Exception{
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// 创建GeometryFactory
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List<Map<String,Object>> featuresProperties = new ArrayList<>();// 面要素属性集合
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List<Map<String,Object>> tPointFeaturesProperties = new ArrayList<>();// 目标平面的点集属性集合
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// 清空
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fillPoints = new ArrayList<>();
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cutPoints = new ArrayList<>();
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cutAllSum = 0;
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fillAllSum = 0;
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// 间距,单位为米。
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// double meter = 2;
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double bottomRatio = 1.0/2;
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double topRatio = 1.0/1.5;
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// 创建多边形（矩形）
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Map<String,Object> innerPolygon = new HashMap<>();
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// Polygon rectangle = geometryFactory.createPolygon(coordinates);
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innerPolygon.put("geom",rectangle);
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innerPolygon.put("name","输入的面");
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innerPolygon.put("id",1);
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// BufferParameters bufferParameters = new BufferParameters();
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// bufferParameters.setEndCapStyle(BufferParameters.CAP_FLAT);
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// bufferParameters.setJoinStyle(BufferParameters.JOIN_MITRE);
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// BufferOp bufOp = new BufferOp(rectangle,bufferParameters);
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// Polygon bufferLinePolygon = (Polygon)bufOp.getResultGeometry(isProjcetion?extendLen:meter2degree(extendLen));
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// innerPolygon.put("geom",bufferLinePolygon.getEnvelope());
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featuresProperties.add(innerPolygon);
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// 外接矩形打点
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Map<String,Object> outPolygon1 = new HashMap<>();
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Polygon out1 = (Polygon) rectangle.getEnvelope();//geometryFactory.createPolygon(cords4);
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outPolygon1.put("geom",out1);
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outPolygon1.put("name","输入面的外接矩形");
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outPolygon1.put("id",6);
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featuresProperties.add(outPolygon1);
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Coordinate[] outCoords = out1.getCoordinates();
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Coordinate[] outLine = new Coordinate[]{outCoords[0],outCoords[1]};
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// 定义地图单位的距离
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double distance = meter;
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if(!isProjcetion){
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distance = meter2degree(distance);
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}
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addPartPoint(outLine,geometryFactory,distance,rectangle,tPointFeaturesProperties,targetHeight,"0");
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// 扩展面打点
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List<List<Map<String,Object>>> pointRingFeaturesProperties = createRingPoint(rectangle,targetHeight,bottomRatio,topRatio,distance);
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// 中心点
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Point centroid = rectangle.getCentroid();
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// 计算网格
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Map<String,Object> result = calcGrid(pointRingFeaturesProperties,centroid,meter);
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List<Map<String,Object>> fillPointList = (List<Map<String,Object>>)result.get("fillPointList");
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List<Map<String,Object>> cutPointList = (List<Map<String,Object>>)result.get("cutPointList");
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double fillSum = (double)result.get("fillSum");
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double cutSum = (double)result.get("cutSum");
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// 计算设计平面内的填挖方量
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for(int i=0;i<tPointFeaturesProperties.size();i++){
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Map<String, Object> pfp = tPointFeaturesProperties.get(i);
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// double height = (double)pfp.get("height");
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double height = (double)pfp.get("bottomHeight");
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Point p = (Point)pfp.get("geom");
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double elev = getElevation(p);
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pfp.put("elev",elev);
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if(elev>height){
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cutPointList.add(pfp);
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cutSum += (elev - height)*Math.pow(meter,2);
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}else{
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fillPointList.add(pfp);
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fillSum += (elev - height)*Math.pow(meter,2);
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|||
|
|
}
|
|||
|
|
}
|
|||
|
|
System.out.println("总挖方量："+cutSum);
|
|||
|
|
System.out.println("总填方量："+fillSum);
|
|||
|
|
System.out.println("填挖方差量："+(fillSum+cutSum));
|
|||
|
|
// List<Map<String, Object>> boundary = searchBourdary(cutPointList, meter2degree(meter));
|
|||
|
|
|
|||
|
|
// Create a map content and add our shapefile to it
|
|||
|
|
MapContent map = new MapContent();
|
|||
|
|
map.setTitle("填挖方计算-创建网格");
|
|||
|
|
// 构建添加面图层
|
|||
|
|
final SimpleFeatureType TYPE =createFeatureType();
|
|||
|
|
DefaultFeatureCollection featureCollection = new DefaultFeatureCollection();
|
|||
|
|
SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder(TYPE);
|
|||
|
|
featuresProperties.forEach(props->{
|
|||
|
|
featureBuilder.add(props.get("geom"));
|
|||
|
|
featureBuilder.add(props.get("name"));
|
|||
|
|
featureBuilder.add(props.get("id"));
|
|||
|
|
SimpleFeature feature = featureBuilder.buildFeature((String.valueOf(props.get("id"))));
|
|||
|
|
featureCollection.add(feature);
|
|||
|
|
});
|
|||
|
|
Style style = SLD.createSimpleStyle(featureCollection.getSchema());
|
|||
|
|
Layer layer = new FeatureLayer(featureCollection, style);
|
|||
|
|
map.addLayer(layer);
|
|||
|
|
|
|||
|
|
// 构建点要素图层
|
|||
|
|
// List<List<Map<String,Object>>> pointList = new ArrayList(){{
|
|||
|
|
//// add(result.get("fillPointList"));
|
|||
|
|
// add(tPointFeaturesProperties);
|
|||
|
|
// }};
|
|||
|
|
|
|||
|
|
pointRingFeaturesProperties.add(tPointFeaturesProperties);
|
|||
|
|
List<List<Map<String,Object>>> pointList = pointRingFeaturesProperties;
|
|||
|
|
pointList.stream().forEach(list->{
|
|||
|
|
if(!list.isEmpty()){
|
|||
|
|
final SimpleFeatureType PTYPE =createPointFeatureType();
|
|||
|
|
DefaultFeatureCollection pointFeatureCollection = new DefaultFeatureCollection();
|
|||
|
|
SimpleFeatureBuilder pointFeatureBuilder = new SimpleFeatureBuilder(PTYPE);
|
|||
|
|
list.forEach(props->{
|
|||
|
|
pointFeatureBuilder.add(props.get("geom"));
|
|||
|
|
pointFeatureBuilder.add(props.get("id"));
|
|||
|
|
pointFeatureBuilder.add(props.get("bottomHeight"));
|
|||
|
|
pointFeatureBuilder.add(props.get("topHeight"));
|
|||
|
|
pointFeatureBuilder.add(props.get("elev"));
|
|||
|
|
SimpleFeature feature = pointFeatureBuilder.buildFeature((String.valueOf(props.get("id"))));
|
|||
|
|
pointFeatureCollection.add(feature);
|
|||
|
|
});
|
|||
|
|
Style pointStyle = SLD.createSimpleStyle(pointFeatureCollection.getSchema());
|
|||
|
|
Layer pointLlayer = new FeatureLayer(pointFeatureCollection, pointStyle);
|
|||
|
|
map.addLayer(pointLlayer);
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
final SimpleFeatureType PTYPE =createPointFeatureType();
|
|||
|
|
DefaultFeatureCollection pointFeatureCollection = new DefaultFeatureCollection();
|
|||
|
|
SimpleFeatureBuilder pointFeatureBuilder = new SimpleFeatureBuilder(PTYPE);
|
|||
|
|
List<Map<String,Object>> list = (List<Map<String,Object>>)result.get("cutPointList");
|
|||
|
|
cutPointList.forEach(props->{
|
|||
|
|
pointFeatureBuilder.add(props.get("geom"));
|
|||
|
|
pointFeatureBuilder.add(props.get("id"));
|
|||
|
|
pointFeatureBuilder.add(props.get("bottomHeight"));
|
|||
|
|
pointFeatureBuilder.add(props.get("topHeight"));
|
|||
|
|
SimpleFeature feature = pointFeatureBuilder.buildFeature((String.valueOf(props.get("id"))));
|
|||
|
|
pointFeatureCollection.add(feature);
|
|||
|
|
});
|
|||
|
|
Style pointStyle = SLD.createSimpleStyle(pointFeatureCollection.getSchema(),Color.red);
|
|||
|
|
Layer pointLlayer = new FeatureLayer(pointFeatureCollection, pointStyle);
|
|||
|
|
map.addLayer(pointLlayer);
|
|||
|
|
|
|||
|
|
final SimpleFeatureType FillPTYPE =createPointFeatureType();
|
|||
|
|
DefaultFeatureCollection pointFillFeatureCollection = new DefaultFeatureCollection();
|
|||
|
|
SimpleFeatureBuilder pointFillFeatureBuilder = new SimpleFeatureBuilder(FillPTYPE);
|
|||
|
|
// List<Map<String,Object>> fillList = (List<Map<String,Object>>)result.get("fillPointList");
|
|||
|
|
fillPointList.forEach(props->{
|
|||
|
|
pointFillFeatureBuilder.add(props.get("geom"));
|
|||
|
|
pointFillFeatureBuilder.add(props.get("id"));
|
|||
|
|
pointFillFeatureBuilder.add(props.get("bottomHeight"));
|
|||
|
|
pointFillFeatureBuilder.add(props.get("topHeight"));
|
|||
|
|
SimpleFeature feature = pointFillFeatureBuilder.buildFeature((String.valueOf(props.get("id"))));
|
|||
|
|
pointFillFeatureCollection.add(feature);
|
|||
|
|
});
|
|||
|
|
Style pointFillStyle = SLD.createSimpleStyle(pointFillFeatureCollection.getSchema(),Color.blue);
|
|||
|
|
Layer pointFillLlayer = new FeatureLayer(pointFillFeatureCollection, pointFillStyle);
|
|||
|
|
map.addLayer(pointFillLlayer);
|
|||
|
|
|
|||
|
|
JMapFrame.showMap(map);
|
|||
|
|
|
|||
|
|
|
|||
|
|
cutAllSum = cutSum;
|
|||
|
|
cutPoints = cutPointList;
|
|||
|
|
fillAllSum = fillSum;
|
|||
|
|
fillPoints = fillPointList;
|
|||
|
|
return fillSum + cutSum;
|
|||
|
|
// return 0;
|
|||
|
|
}
|
|||
|
|
// private static List<Map<String, Object>> searchBourdary(List<Map<String, Object>> fillPointList, double radius,String name) {
|
|||
|
|
//
|
|||
|
|
// AlphaShape alphaShape = new AlphaShape(radius);
|
|||
|
|
// List<Map<String, Object>> result = new ArrayList<>();
|
|||
|
|
// // 构建顶点集合对象
|
|||
|
|
// List<Vector2D> points = new ArrayList<>();
|
|||
|
|
// fillPointList.forEach(pointMap->{
|
|||
|
|
// Point p = (Point)pointMap.get("geom");
|
|||
|
|
// Vector2D vector2D = new Vector2D(p.getX(), p.getY());
|
|||
|
|
//
|
|||
|
|
// points.add(vector2D);
|
|||
|
|
// });
|
|||
|
|
// List<List<Vector2D>> lists = alphaShape.boundaryPoints(points);
|
|||
|
|
// lists.forEach(pointList->{
|
|||
|
|
// pointList.forEach(point->{
|
|||
|
|
// HashMap<String, Object> tmp = new HashMap<>();
|
|||
|
|
// tmp.put("geom",geometryFactory.createPoint(new Coordinate(point.getX(),point.getY())));
|
|||
|
|
// tmp.put("id",point.getIndex());
|
|||
|
|
// tmp.put("bottomHeight",point.getBottomHeight());
|
|||
|
|
// tmp.put("topHeight",point.getTopHeight());
|
|||
|
|
// result.add(tmp);
|
|||
|
|
// });
|
|||
|
|
// });
|
|||
|
|
//
|
|||
|
|
// return result;
|
|||
|
|
// }
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 返回线要素的
|
|||
|
|
* @param fillPointList
|
|||
|
|
* @param radius
|
|||
|
|
* @return
|
|||
|
|
*/
|
|||
|
|
private static SimpleFeature searchBourdary(List<Map<String, Object>> fillPointList, double radius,String name) {
|
|||
|
|
|
|||
|
|
AlphaShape alphaShape = new AlphaShape(radius);
|
|||
|
|
// 构建顶点集合对象
|
|||
|
|
List<Vector2D> points = new ArrayList<>();
|
|||
|
|
fillPointList.forEach(pointMap->{
|
|||
|
|
Point p = (Point)pointMap.get("geom");
|
|||
|
|
Vector2D vector2D = new Vector2D(p.getX(), p.getY());
|
|||
|
|
points.add(vector2D);
|
|||
|
|
});
|
|||
|
|
List<List<Vector2D>> lists = alphaShape.boundaryPoints(points);
|
|||
|
|
List<Coordinate> coordList = new ArrayList();
|
|||
|
|
lists.forEach(pointList->{
|
|||
|
|
pointList.forEach(point->{
|
|||
|
|
coordList.add(new Coordinate(point.getX(),point.getY()));
|
|||
|
|
});
|
|||
|
|
});
|
|||
|
|
Coordinate[] CoordinateArray = coordList.stream().toArray(Coordinate[]::new);
|
|||
|
|
LineString lineString = geometryFactory.createLineString(CoordinateArray);
|
|||
|
|
|
|||
|
|
// 构建添加线要素层
|
|||
|
|
final SimpleFeatureType TYPE =createLineStringFeatureType();
|
|||
|
|
SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder(TYPE);
|
|||
|
|
String uuid = UUID.randomUUID().toString();
|
|||
|
|
featureBuilder.add(lineString);
|
|||
|
|
featureBuilder.add(name);
|
|||
|
|
featureBuilder.add(uuid);
|
|||
|
|
SimpleFeature feature = featureBuilder.buildFeature(uuid);
|
|||
|
|
// featureCollection.add(feature);
|
|||
|
|
|
|||
|
|
return feature;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private static Map<String, Object> calcGrid(List<List<Map<String, Object>>> pointRingFeaturesProperties, Point centroid,double meter) throws Exception {
|
|||
|
|
List<Map<String,Object>> lastRing = pointRingFeaturesProperties.get(pointRingFeaturesProperties.size()-1);
|
|||
|
|
// 定义地图单位的点距，创建缓冲区用的到
|
|||
|
|
double length = isProjcetion?(meter/2):meter2degree(meter/2);
|
|||
|
|
|
|||
|
|
List<Map<String,Object>> fillPointList = new ArrayList<>();// 填方的点集
|
|||
|
|
List<Map<String,Object>> cutPointList = new ArrayList<>();// 挖方的点集
|
|||
|
|
double fillSum = 0;// 填方量
|
|||
|
|
double cutSum = 0;// 挖方量
|
|||
|
|
for(Map<String,Object> featuresProperties:lastRing){
|
|||
|
|
Point point = (Point)featuresProperties.get("geom");
|
|||
|
|
// 创建缓存面
|
|||
|
|
LineString lineString = geometryFactory.createLineString(new Coordinate[]{new Coordinate(point.getX(),point.getY()),new Coordinate(centroid.getX(),centroid.getY())});
|
|||
|
|
BufferParameters bufferParameters = new BufferParameters();
|
|||
|
|
bufferParameters.setEndCapStyle(BufferParameters.CAP_FLAT);
|
|||
|
|
bufferParameters.setJoinStyle(BufferParameters.JOIN_MITRE);
|
|||
|
|
BufferOp bufOp = new BufferOp(lineString,bufferParameters);
|
|||
|
|
Polygon bufferLinePolygon = (Polygon)bufOp.getResultGeometry(length);
|
|||
|
|
|
|||
|
|
// 计算
|
|||
|
|
boolean isGoDown = true;// 是否继续往下
|
|||
|
|
boolean isGoHead = true;
|
|||
|
|
outer:
|
|||
|
|
for(int j=0;j<pointRingFeaturesProperties.size()-1;j++){
|
|||
|
|
List<Map<String,Object>> ringPointMap = pointRingFeaturesProperties.get(j);
|
|||
|
|
for (Map<String, Object> pointMap : ringPointMap) {
|
|||
|
|
Point p = (Point) pointMap.get("geom");
|
|||
|
|
if (bufferLinePolygon.contains(p)) {
|
|||
|
|
double bottomHeight = (double) pointMap.get("bottomHeight");
|
|||
|
|
double topHeight = (double) pointMap.get("topHeight");
|
|||
|
|
double currHeight = getElevation(p);
|
|||
|
|
pointMap.put("elev",currHeight);
|
|||
|
|
if (currHeight > bottomHeight && currHeight < topHeight) {
|
|||
|
|
break outer;
|
|||
|
|
}
|
|||
|
|
if (currHeight >= topHeight && isGoHead) {
|
|||
|
|
isGoDown = false;
|
|||
|
|
if (!cutPointList.contains(pointMap)) {//去除重复点，避免重复计算
|
|||
|
|
cutPointList.add(pointMap);
|
|||
|
|
cutSum += (currHeight - topHeight) * Math.pow(meter, 2);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if (currHeight <= bottomHeight && isGoDown) {
|
|||
|
|
isGoHead = false;
|
|||
|
|
if (!fillPointList.contains(pointMap)) {//去除重复点，避免重复计算
|
|||
|
|
fillPointList.add(pointMap);
|
|||
|
|
fillSum += (currHeight - bottomHeight) * Math.pow(meter, 2);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
Map<String, Object> result = new HashMap<>();
|
|||
|
|
result.put("fillPointList",fillPointList);
|
|||
|
|
result.put("cutPointList",cutPointList);
|
|||
|
|
result.put("fillSum",fillSum);
|
|||
|
|
result.put("cutSum",cutSum);
|
|||
|
|
return result;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private static Map<String,Object> filterGrid(List<List<Map<String,Object>>> pointRingFeaturesProperties,GeometryFactory geometryFactory,Point centroid,double meter,String type){
|
|||
|
|
Map<String,Object> result = new HashMap<>();
|
|||
|
|
double sum = 0;
|
|||
|
|
List<Map<String,Object>> filterGrid = new ArrayList<>();
|
|||
|
|
for(int i=0;i<pointRingFeaturesProperties.size();i++){
|
|||
|
|
List<Map<String,Object>> ringPointList = pointRingFeaturesProperties.get(i);
|
|||
|
|
for(int j=0;j<ringPointList.size();j++){
|
|||
|
|
Map<String,Object> pfp = ringPointList.get(j);
|
|||
|
|
double height = (double)pfp.get("height");
|
|||
|
|
Point p = (Point) pfp.get("geom");
|
|||
|
|
try {
|
|||
|
|
double elevation = getElevation(p);
|
|||
|
|
// 填
|
|||
|
|
if((type.equals("-1")&&height - elevation>=0)||(type.equals("1")&&height - elevation<0)){
|
|||
|
|
List<Map<String, Object>> centerLinePointSet = getCenterLinePoint(geometryFactory,pointRingFeaturesProperties,i,centroid,meter,p);
|
|||
|
|
if(centerLinePointSet.isEmpty()){
|
|||
|
|
filterGrid.add(pfp);
|
|||
|
|
sum += Math.abs(height - elevation)*Math.pow(meter, 2);
|
|||
|
|
}else{
|
|||
|
|
int count = 0;
|
|||
|
|
for(int k=0;k<centerLinePointSet.size();k++){
|
|||
|
|
Map<String, Object> lineOnPoint = centerLinePointSet.get(k);
|
|||
|
|
double hp = (double)lineOnPoint.get("height");
|
|||
|
|
Point geom = (Point) lineOnPoint.get("geom");
|
|||
|
|
double ev = getElevation(geom);
|
|||
|
|
if(ev>hp){
|
|||
|
|
count++;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if(count==0){
|
|||
|
|
filterGrid.add(pfp);
|
|||
|
|
sum += Math.abs(height - elevation)*Math.pow(meter, 2);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
} catch (Exception e) {
|
|||
|
|
throw new RuntimeException(e);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
result.put("sum",Integer.valueOf(type)*sum);
|
|||
|
|
result.put("filterGrid",filterGrid);
|
|||
|
|
return result;
|
|||
|
|
}
|
|||
|
|
private static List<Map<String,Object>> getCenterLinePoint( GeometryFactory geometryFactory,List<List<Map<String,Object>>> pointFeaturesProperties,int index,Point centroid,double side,Point point){
|
|||
|
|
// 创建缓存面
|
|||
|
|
LineString lineString = geometryFactory.createLineString(new Coordinate[]{new Coordinate(point.getX(),point.getY()),new Coordinate(centroid.getX(),centroid.getY())});
|
|||
|
|
BufferParameters bufferParameters = new BufferParameters();
|
|||
|
|
bufferParameters.setEndCapStyle(BufferParameters.CAP_FLAT);
|
|||
|
|
bufferParameters.setJoinStyle(BufferParameters.JOIN_MITRE);
|
|||
|
|
BufferOp bufOp = new BufferOp(lineString,bufferParameters);
|
|||
|
|
double currDegree = side/2;
|
|||
|
|
Polygon bufferLine = (Polygon)bufOp.getResultGeometry(currDegree);
|
|||
|
|
|
|||
|
|
List<Map<String, Object>> result = new ArrayList<>();
|
|||
|
|
for(int i=0;i<index;i++){
|
|||
|
|
List<Map<String,Object>> ring = pointFeaturesProperties.get(i);
|
|||
|
|
for(int j=0;j<ring.size();j++){
|
|||
|
|
Map<String, Object> pfp = ring.get(j);
|
|||
|
|
Point p = (Point) pfp.get("geom");
|
|||
|
|
if(bufferLine.intersects(p)){
|
|||
|
|
result.add(pfp);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return result;
|
|||
|
|
}
|
|||
|
|
/**
|
|||
|
|
* 创建矩形外扩的环点
|
|||
|
|
* 打点方式： 四条边顺时针按给定点距取点，再buffer点距，取矩形四条边重复之前按点距取点，直到外扩的最后一个矩形
|
|||
|
|
* @param rectangle 设计平面
|
|||
|
|
* @param targetHeight 设计标高
|
|||
|
|
* @param bottomRatio 往下放坡的坡度比
|
|||
|
|
* @param topRatio 往上放坡的坡度比
|
|||
|
|
* @param side 点距，地图单位
|
|||
|
|
* @return
|
|||
|
|
*/
|
|||
|
|
private static List<List<Map<String, Object>>> createRingPoint(Polygon rectangle, double targetHeight, double bottomRatio,double topRatio, double side) {
|
|||
|
|
|
|||
|
|
List<List<Map<String, Object>>> ringPoint = new ArrayList<>();
|
|||
|
|
// 先在输入面上打点
|
|||
|
|
List<Map<String, Object>> firstList = new ArrayList<>();
|
|||
|
|
Coordinate[] coordinates = rectangle.getCoordinates();
|
|||
|
|
Coordinate[] coordArr1 = new Coordinate[]{coordinates[0],coordinates[1]};
|
|||
|
|
Coordinate[] coordArr2 = new Coordinate[]{coordinates[1],coordinates[2]};
|
|||
|
|
Coordinate[] coordArr3 = new Coordinate[]{coordinates[2],coordinates[3]};
|
|||
|
|
Coordinate[] coordArr4 = new Coordinate[]{coordinates[3],coordinates[0]};
|
|||
|
|
firstList.addAll(addLinePoint(coordArr1,geometryFactory,side,targetHeight,targetHeight));
|
|||
|
|
firstList.addAll(addLinePoint(coordArr2,geometryFactory,side,targetHeight,targetHeight));
|
|||
|
|
firstList.addAll(addLinePoint(coordArr3,geometryFactory,side,targetHeight,targetHeight));
|
|||
|
|
firstList.addAll(addLinePoint(coordArr4,geometryFactory,side,targetHeight,targetHeight));
|
|||
|
|
ringPoint.add(firstList);
|
|||
|
|
// 计算高程用的点距，单位为米
|
|||
|
|
double length = isProjcetion?side:degree2meter(side);
|
|||
|
|
|
|||
|
|
for(int i=1;i<extendLen/length;i++){
|
|||
|
|
List<Map<String, Object>> pointRingFeaturesProperties = new ArrayList<>();
|
|||
|
|
double bottomHeight = targetHeight - length*bottomRatio*i;
|
|||
|
|
double topHeight = targetHeight + length*topRatio*i;
|
|||
|
|
BufferParameters bufferParameters = new BufferParameters();
|
|||
|
|
bufferParameters.setEndCapStyle(BufferParameters.CAP_FLAT);
|
|||
|
|
bufferParameters.setJoinStyle(BufferParameters.JOIN_MITRE);
|
|||
|
|
BufferOp bufOp = new BufferOp(rectangle,bufferParameters);
|
|||
|
|
double currDegree = side*i;
|
|||
|
|
Geometry bg = bufOp.getResultGeometry(currDegree);// 缓冲分析的参数是地图单位的值
|
|||
|
|
|
|||
|
|
Coordinate[] boundCoord = bg.getBoundary().getCoordinates();
|
|||
|
|
Coordinate[] boundArr1 = new Coordinate[]{boundCoord[0],boundCoord[1]};
|
|||
|
|
Coordinate[] boundArr2 = new Coordinate[]{boundCoord[1],boundCoord[2]};
|
|||
|
|
Coordinate[] boundArr3 = new Coordinate[]{boundCoord[2],boundCoord[3]};
|
|||
|
|
Coordinate[] boundArr4 = new Coordinate[]{boundCoord[3],boundCoord[0]};
|
|||
|
|
pointRingFeaturesProperties.addAll(addLinePoint(boundArr1,geometryFactory,side,bottomHeight,topHeight));
|
|||
|
|
pointRingFeaturesProperties.addAll(addLinePoint(boundArr2,geometryFactory,side,bottomHeight,topHeight));
|
|||
|
|
pointRingFeaturesProperties.addAll(addLinePoint(boundArr3,geometryFactory,side,bottomHeight,topHeight));
|
|||
|
|
pointRingFeaturesProperties.addAll(addLinePoint(boundArr4,geometryFactory,side,bottomHeight,topHeight));
|
|||
|
|
ringPoint.add(pointRingFeaturesProperties);
|
|||
|
|
}
|
|||
|
|
return ringPoint;
|
|||
|
|
}
|
|||
|
|
// 添加一个面的点集
|
|||
|
|
public static List<List<Map<String,Object>>> addPartPoint(Coordinate[] bgcoords,
|
|||
|
|
GeometryFactory geometryFactory,
|
|||
|
|
double side,
|
|||
|
|
Polygon p,
|
|||
|
|
List<Map<String,Object>> pointFeaturesProperties,
|
|||
|
|
double outHeight,
|
|||
|
|
String type){
|
|||
|
|
List<List<Map<String,Object>>> gridList = new ArrayList();
|
|||
|
|
// 计算外边界上的点
|
|||
|
|
List<Map<String,Object>> headPart = new ArrayList<>();
|
|||
|
|
double t1 = (bgcoords[1].y - bgcoords[0].y)/(bgcoords[1].x-bgcoords[0].x);
|
|||
|
|
Coordinate startCoord = new Coordinate(bgcoords[0].x,bgcoords[0].y);
|
|||
|
|
Map<String,Object> centerPointMap = new HashMap<>();
|
|||
|
|
Point center = geometryFactory.createPoint(startCoord);
|
|||
|
|
|
|||
|
|
centerPointMap.put("geom",center);
|
|||
|
|
centerPointMap.put("id",UUID.randomUUID());
|
|||
|
|
centerPointMap.put("bottomHeight",outHeight);
|
|||
|
|
centerPointMap.put("topHeight",outHeight);
|
|||
|
|
if(!type.equals("0")){
|
|||
|
|
pointFeaturesProperties.add(centerPointMap);
|
|||
|
|
headPart.add(centerPointMap);
|
|||
|
|
}
|
|||
|
|
List<Map<String,Object>> lastPart = addPointSet(bgcoords,geometryFactory,side,p,pointFeaturesProperties,center,outHeight,type);
|
|||
|
|
headPart.addAll(lastPart);
|
|||
|
|
gridList.add(headPart);
|
|||
|
|
|
|||
|
|
int len = (int)Math.ceil((Math.sqrt(Math.pow(bgcoords[1].y - bgcoords[0].y,2)+Math.pow(bgcoords[1].x - bgcoords[0].x,2)))/side);
|
|||
|
|
//确定符号
|
|||
|
|
double xx = bgcoords[1].x-bgcoords[0].x;
|
|||
|
|
double yy = bgcoords[1].y-bgcoords[0].y;
|
|||
|
|
int xSign = xx>=0?1:-1;
|
|||
|
|
int ySign = yy>=0?1:-1;
|
|||
|
|
for(int i=1;i<len;i++){
|
|||
|
|
double nextX = startCoord.x + xSign * i*side*Math.abs(Math.cos(Math.atan(t1)));
|
|||
|
|
double nextY = startCoord.y + ySign * i*side*Math.abs(Math.sin(Math.atan(t1)));
|
|||
|
|
List<Map<String,Object>> extHeadPart = new ArrayList<>();
|
|||
|
|
Coordinate nextCoord = new Coordinate(nextX,nextY);
|
|||
|
|
Map<String,Object> nextPointMap = new HashMap<>();
|
|||
|
|
Point nextPoint = geometryFactory.createPoint(nextCoord);
|
|||
|
|
nextPointMap.put("geom",nextPoint);
|
|||
|
|
nextPointMap.put("id",UUID.randomUUID());
|
|||
|
|
nextPointMap.put("bottomHeight",outHeight);
|
|||
|
|
nextPointMap.put("topHeight",outHeight);
|
|||
|
|
if(type.equals("0")){
|
|||
|
|
if(p.intersects(nextPoint)){
|
|||
|
|
pointFeaturesProperties.add(nextPointMap);
|
|||
|
|
extHeadPart.add(nextPointMap);
|
|||
|
|
}
|
|||
|
|
}else{
|
|||
|
|
pointFeaturesProperties.add(nextPointMap);
|
|||
|
|
extHeadPart.add(nextPointMap);
|
|||
|
|
}
|
|||
|
|
// 添加垂直于边界线的点阵
|
|||
|
|
List<Map<String,Object>> extLastPart = addPointSet(bgcoords,geometryFactory,side,p,pointFeaturesProperties,nextPoint,outHeight,type);
|
|||
|
|
extHeadPart.addAll(extLastPart);
|
|||
|
|
gridList.add(extHeadPart);
|
|||
|
|
}
|
|||
|
|
return gridList;
|
|||
|
|
}
|
|||
|
|
/**
|
|||
|
|
* 添加一个线的点集
|
|||
|
|
* @param bgcoords 线的坐标
|
|||
|
|
* @param geometryFactory
|
|||
|
|
* @param side 点距，地图单位
|
|||
|
|
* @param bottomHeight 线所处的底部放坡高程
|
|||
|
|
* @param topHeight 线做吃的顶部放坡高程
|
|||
|
|
* @return 点集map数组
|
|||
|
|
*/
|
|||
|
|
public static List<Map<String,Object>> addLinePoint(Coordinate[] bgcoords, GeometryFactory geometryFactory, double side, double bottomHeight,double topHeight){
|
|||
|
|
// double degree = side;
|
|||
|
|
// 计算外边界上的点
|
|||
|
|
List<Map<String,Object>> lineList = new ArrayList<>();
|
|||
|
|
Coordinate startCoord = new Coordinate(bgcoords[0].x,bgcoords[0].y);
|
|||
|
|
Map<String,Object> startPointMap = new HashMap<>();
|
|||
|
|
Point sp = geometryFactory.createPoint(startCoord);
|
|||
|
|
startPointMap.put("geom",sp);
|
|||
|
|
startPointMap.put("id",UUID.randomUUID().toString());
|
|||
|
|
startPointMap.put("bottomHeight",bottomHeight);
|
|||
|
|
startPointMap.put("topHeight",topHeight);
|
|||
|
|
lineList.add(startPointMap);
|
|||
|
|
|
|||
|
|
int len = (int)Math.floor((Math.sqrt(Math.pow(bgcoords[1].y - bgcoords[0].y,2)+Math.pow(bgcoords[1].x - bgcoords[0].x,2)))/side);
|
|||
|
|
double t1 = (bgcoords[1].y - bgcoords[0].y)/(bgcoords[1].x-bgcoords[0].x);
|
|||
|
|
//确定符号
|
|||
|
|
double xx = bgcoords[1].x-bgcoords[0].x;
|
|||
|
|
double yy = bgcoords[1].y-bgcoords[0].y;
|
|||
|
|
int xSign = xx>=0?1:-1;
|
|||
|
|
int ySign = yy>=0?1:-1;
|
|||
|
|
// 计算坐标直接用地图单位的点距
|
|||
|
|
for(int i=1;i<len;i++){
|
|||
|
|
double nextX = startCoord.x + xSign * i*side*Math.abs(Math.cos(Math.atan(t1)));
|
|||
|
|
double nextY = startCoord.y + ySign * i*side*Math.abs(Math.sin(Math.atan(t1)));
|
|||
|
|
if(xx == 0){
|
|||
|
|
nextX = startCoord.x;
|
|||
|
|
nextY = startCoord.y + ySign * i*side;
|
|||
|
|
}
|
|||
|
|
Coordinate nextCoord = new Coordinate(nextX,nextY);
|
|||
|
|
Map<String,Object> nextPointMap = new HashMap<>();
|
|||
|
|
Point nextPoint = geometryFactory.createPoint(nextCoord);
|
|||
|
|
nextPointMap.put("geom",nextPoint);
|
|||
|
|
nextPointMap.put("id",UUID.randomUUID().toString());
|
|||
|
|
nextPointMap.put("bottomHeight",bottomHeight);
|
|||
|
|
nextPointMap.put("topHeight",topHeight);
|
|||
|
|
lineList.add(nextPointMap);
|
|||
|
|
}
|
|||
|
|
return lineList;
|
|||
|
|
}
|
|||
|
|
public static List<Map<String,Object>> addPointSet(Coordinate[] bgcoords,
|
|||
|
|
GeometryFactory geometryFactory,
|
|||
|
|
double side,
|
|||
|
|
Polygon polygon,
|
|||
|
|
List<Map<String,Object>> pointFeaturesProperties,
|
|||
|
|
Point startPoint,
|
|||
|
|
double boundHeight,
|
|||
|
|
String type){
|
|||
|
|
List<Map<String,Object>> extendPointProperties = new ArrayList<>();
|
|||
|
|
|
|||
|
|
double t1 = (bgcoords[1].y - bgcoords[0].y)/(bgcoords[1].x-bgcoords[0].x);
|
|||
|
|
//确定符号
|
|||
|
|
double xx = bgcoords[1].x-bgcoords[0].x;
|
|||
|
|
double yy = bgcoords[1].y-bgcoords[0].y;
|
|||
|
|
int xSign = (xx>=0&&yy>0)||(xx<0&&yy>0)?1:-1;
|
|||
|
|
int ySign = (xx<0&&yy<0)||(xx<0&&yy>0)?1:-1;
|
|||
|
|
// 算高程要用到，地图单位到米
|
|||
|
|
double length = isProjcetion?side:degree2meter(side);
|
|||
|
|
|
|||
|
|
for(int i=1;i<3000;i++){
|
|||
|
|
double x1 = xSign * Math.abs(Math.sin(Math.atan(t1)))*side*i + startPoint.getX();
|
|||
|
|
double y1 = ySign * Math.abs(Math.cos(Math.atan(t1)))*side*i + startPoint.getY();
|
|||
|
|
// 当垂直与坐标轴时
|
|||
|
|
if(bgcoords[1].x==bgcoords[0].x){
|
|||
|
|
x1 = side*i + startPoint.getX();
|
|||
|
|
y1 = startPoint.getY();
|
|||
|
|
}
|
|||
|
|
Point point = geometryFactory.createPoint(new Coordinate(x1,y1));
|
|||
|
|
boolean contains = polygon.contains(point);
|
|||
|
|
if(contains){
|
|||
|
|
Map<String,Object> tmpPoint = new HashMap<>();
|
|||
|
|
tmpPoint.put("geom",point);
|
|||
|
|
tmpPoint.put("id",UUID.randomUUID());
|
|||
|
|
double ph = boundHeight;//+(degree2meter(side))*i/2;
|
|||
|
|
if(type.equals("-1")){//下挖的高程计算
|
|||
|
|
ph+=(length)*i/2;
|
|||
|
|
}else if(type.equals("1")){//
|
|||
|
|
ph-=(length)*i/1.5;
|
|||
|
|
}
|
|||
|
|
tmpPoint.put("bottomHeight",ph);
|
|||
|
|
tmpPoint.put("topHeight",ph);
|
|||
|
|
pointFeaturesProperties.add(tmpPoint);
|
|||
|
|
extendPointProperties.add(tmpPoint);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return extendPointProperties;
|
|||
|
|
}
|
|||
|
|
public static void loadDem(String path) throws Exception{
|
|||
|
|
File file = new File(path);
|
|||
|
|
// File file = new File("src\\main\\resources\\public\\data\\CSDEM.tif");
|
|||
|
|
// File file = new File("E:\\data\\CB测试\\sample_N30E119.tif");
|
|||
|
|
// File file = new File("E:\\data\\CB测试\\sample_N30E119.tif");
|
|||
|
|
// Hints.FORCE_LONGITUDE_FIRST_AXIS_ORDER：设置经度为第一轴顺序
|
|||
|
|
GeoTiffReader reader = new GeoTiffReader(file, new Hints(Hints.FORCE_LONGITUDE_FIRST_AXIS_ORDER, Boolean.TRUE));
|
|||
|
|
// GridCoverage2D coverage = reader.read(null);
|
|||
|
|
// //设置坐标系
|
|||
|
|
// CoordinateReferenceSystem targetCRS = CRS.decode("EPSG:4326");
|
|||
|
|
// // 将 GridCoverage 进行重采样转换为另一个 CRS
|
|||
|
|
// CreateRingGridFixProjection.coverage = (GridCoverage2D) Operations.DEFAULT.resample(coverage, targetCRS);
|
|||
|
|
|
|||
|
|
CreateRingGridFixGeo.coverage = reader.read(null);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public static double getElevation(Point p) throws Exception{
|
|||
|
|
// 设置经纬度及坐标系等信息
|
|||
|
|
Position position = new Position2D(p.getX(),p.getY());
|
|||
|
|
GridGeometry2D gridGeometry = CreateRingGridFixGeo.coverage.getGridGeometry();
|
|||
|
|
GridCoordinates2D gridPoint = gridGeometry.worldToGrid(position);
|
|||
|
|
double[] elevation = new double[1];
|
|||
|
|
CreateRingGridFixGeo.coverage.evaluate(gridPoint,elevation);
|
|||
|
|
double height = elevation[0]; // 这里的高度就是查询位置的高程值
|
|||
|
|
// System.out.println("---------"+height);//---------108.0
|
|||
|
|
return height;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public static double meter2degree(double meter){
|
|||
|
|
return meter/(Math.PI*6371004/180);
|
|||
|
|
}
|
|||
|
|
public static double degree2meter(double degree){
|
|||
|
|
return degree*(Math.PI*6371004)/180;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 对栅格重采样
|
|||
|
|
* @param envelope 限定的矩形几何
|
|||
|
|
* @param inputPath 输入的栅格路径
|
|||
|
|
* @param outputPath 输出的栅格路径
|
|||
|
|
* @param r1 东西方向像元大小（地图单位）
|
|||
|
|
* @param r2 南北方向像元大小（地图单位）
|
|||
|
|
*/
|
|||
|
|
public static void reSample(Geometry envelope,String inputPath, String outputPath, double r1, double r2) {
|
|||
|
|
// 打开输入栅格文件
|
|||
|
|
Dataset dataset = gdal.Open(inputPath, gdalconst.GA_ReadOnly);
|
|||
|
|
double[] gt1 = dataset.GetGeoTransform();
|
|||
|
|
|
|||
|
|
Coordinate[] envCoords = envelope.getCoordinates();
|
|||
|
|
double envWidth = (envCoords[2].x - envCoords[0].x);
|
|||
|
|
double envHeight = (envCoords[2].y - envCoords[0].y);
|
|||
|
|
|
|||
|
|
int xSize = new Double(envWidth/ r1).intValue();
|
|||
|
|
int ySize = new Double(envHeight / r2).intValue();
|
|||
|
|
ySize = Math.abs(ySize);
|
|||
|
|
|
|||
|
|
double[] gt2 = {envCoords[0].x, r1, 0.0, envCoords[0].y, 0.0, r2};
|
|||
|
|
Driver driver = gdal.GetDriverByName("GTiff");
|
|||
|
|
Dataset datasetWarp = driver.Create(outputPath, xSize, ySize, gdalconst.GA_Update, gdalconst.GDT_Float32);
|
|||
|
|
datasetWarp.SetGeoTransform(gt2);
|
|||
|
|
datasetWarp.SetSpatialRef(dataset.GetSpatialRef());
|
|||
|
|
Vector<String> vector = new Vector<>();
|
|||
|
|
vector.add("-r");
|
|||
|
|
vector.add("cubicspline");//执行三次卷积插值法重采样
|
|||
|
|
WarpOptions warpOptions = new WarpOptions(vector);
|
|||
|
|
gdal.Warp(datasetWarp, new Dataset[]{dataset}, warpOptions);
|
|||
|
|
|
|||
|
|
datasetWarp.FlushCache();
|
|||
|
|
datasetWarp.delete();
|
|||
|
|
dataset.delete();
|
|||
|
|
}
|
|||
|
|
}
|