package com.se.nsl.service;
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import cn.hutool.core.io.FileUtil;
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import com.alibaba.fastjson.JSON;
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import com.se.nsl.config.PropertiesConfig;
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import com.se.nsl.domain.dto.*;
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import com.se.nsl.domain.po.SimuData;
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import com.se.nsl.domain.vo.BuildingDepthVo;
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import com.se.nsl.helper.ComHelper;
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import com.se.nsl.helper.GdalHelper;
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import lombok.extern.slf4j.Slf4j;
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import org.gdal.gdal.Band;
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import org.gdal.gdal.Dataset;
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import org.gdal.gdal.gdal;
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import org.gdal.gdalconst.gdalconstConstants;
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import org.gdal.ogr.*;
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import org.springframework.stereotype.Service;
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import javax.annotation.Resource;
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import java.awt.*;
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import java.awt.image.BufferedImage;
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import java.io.File;
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import java.io.IOException;
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import java.text.SimpleDateFormat;
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import java.util.*;
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import java.util.List;
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@Slf4j
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@Service
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@SuppressWarnings("ALL")
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public class TestService {
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@Resource
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PropertiesConfig config;
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public final static double MIN_VAL = 0.00001;
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public final static double MAX_X_OFFSET = 0;
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public final static SimpleDateFormat SDF = new SimpleDateFormat("yyyy-MM-dd HH:mm");
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public void test(SimuData data) throws Exception {
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String basePath = config.getInPath() + File.separator + data.getInPath() + File.separator;
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ResultDto dto = new ResultDto(
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data.getInPath(),
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basePath + config.getTerrainFile(),
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basePath + config.getBuildingFile(),
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basePath + config.getWaterPath(),
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basePath + config.getFlowPath(),
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config.getInPath(),
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config.getOutPath(),
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data.getEpsg());
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LayerDto layer = new LayerDto(config.getVer(), data.getEpsg(), config.getSizes());
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process(dto, layer);
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}
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private void process(ResultDto dto, LayerDto layer) throws Exception {
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try {
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copeTerrain(dto, layer);
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copeWater(dto, layer);
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copeFlow(dto, layer);
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copeLayerJson(dto, layer);
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} finally {
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File dir = new File(dto.getTemp());
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if (dir.exists()) {
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FileUtil.del(dir);
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}
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}
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}
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public void copeTerrain(ResultDto dto, LayerDto layer) {
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Dataset ds = null;
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try {
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ds = gdal.Open(dto.getTerrainFile(), gdalconstConstants.GA_ReadOnly); // gdalconst
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if (null == ds || 0 == ds.getRasterCount()) return;
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setSizes(ds, layer);
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setTerrainInfo(ds, layer);
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setWaterInfo(dto, layer);
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createTerrainPng(dto, ds, layer);
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} finally {
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if (null != ds) ds.delete();
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}
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}
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private void setSizes(Dataset ds, LayerDto layer) {
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int xSize = ds.getRasterXSize(), ySize = ds.getRasterYSize();
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double rate = xSize < ySize ? xSize * 1.0 / ySize : ySize * 1.0 / xSize;
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List<int[]> list = layer.getTerrain().getSize();
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for (int i = 0, c = list.size(); i < c; i++) {
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if (xSize < ySize) {
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list.get(i)[0] = (int) Math.floor(list.get(i)[0] * rate);
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} else {
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list.get(i)[1] = (int) Math.floor(list.get(i)[1] * rate);
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}
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}
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}
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public void setTerrainInfo(Dataset ds, LayerDto layer) {
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Geometry minPoint = GdalHelper.getMinPoint(ds);
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Geometry maxPoint = GdalHelper.getMaxPoint(ds);
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double minx = ComHelper.getMinVal(minPoint.GetX(0), 10000000);
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double miny = ComHelper.getMinVal(minPoint.GetY(0), 10000000);
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double maxx = ComHelper.getMaxVal(maxPoint.GetX(0) + MAX_X_OFFSET, 10000000);
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double maxy = ComHelper.getMaxVal(maxPoint.GetY(0), 10000000);
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//layer.setExtension(new ExtensionDto(minx, miny, maxx, maxy, Double.MAX_VALUE, Double.MIN_VALUE));
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Band band = ds.GetRasterBand(1);
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double[] mm = new double[2];
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band.ComputeRasterMinMax(mm, 0);
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//layer.getTerrain().setHeight(getMinVal(mm[0], 1000), getMaxVal(mm[1], 1000));
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layer.setExtension(new ExtensionDto(minx, miny, maxx, maxy, mm[0], mm[1]));
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}
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public void createTerrainPng(ResultDto dto, Dataset ds, LayerDto layer) {
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String terrainPath = dto.getOutPath() + File.separator + "terrain";
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File f = new File(terrainPath);
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if (!f.exists() || !f.isDirectory()) f.mkdirs();
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for (int[] sizes : layer.getTerrain().getSize()) {
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String tif = dto.getTemp() + File.separator + "terrain_" + sizes[0] + "_" + sizes[1] + ".tif";
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ComHelper.Resample(ds, tif, sizes[0], sizes[1], layer);
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if (!new File(tif).exists()) continue;
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String png = terrainPath + File.separator + sizes[0] + "_" + sizes[1] + ".png";
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Terrain2Png(layer, tif, png, sizes[0], sizes[1]);
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}
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}
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public void Terrain2Png(LayerDto layer, String tif, String png, int width, int height) {
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Dataset ds = null;
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try {
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ds = gdal.Open(tif, gdalconstConstants.GA_ReadOnly);
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if (null == ds || 0 == ds.getRasterCount()) return;
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Band band = ds.GetRasterBand(1);
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float[] buffer = new float[width * height];
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//band.ReadRaster(0, 0, width, height, buffer, width, height, 0, 0);
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band.ReadRaster(0, 0, width, height, buffer);
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layer.getTerrain().getVals().put(width + "_" + height, buffer);
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BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
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double differ = layer.getExtension().getMaxHeight() - layer.getExtension().getMinHeight(), minHeight = layer.getExtension().getMinHeight();
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for (int x = 0; x < width; x++) {
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for (int y = 0; y < height; y++) {
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int offset = x + y * width;
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if (Float.isNaN(buffer[offset]) || buffer[offset] < -999 || buffer[offset] < minHeight) continue;
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int r = 0, g, b;
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if (buffer[offset] - layer.getExtension().getMaxHeight() > 0) {
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g = b = 255;
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} else {
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int val = (int) ((buffer[offset] - minHeight) / differ * 65535);
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g = val / 256;
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b = val % 256;
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}
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Color color = new Color(r, g, b, 127);
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//graphic.drawImage(image, x, y, 1, 1, color, null);
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image.setRGB(x, y, color.getRGB());
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}
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}
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ComHelper.savePng(image, png);
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} finally {
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if (null != ds) ds.delete();
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}
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}
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public void setWaterInfo(ResultDto dto, LayerDto layer) {
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List<String> files = getFiles(dto.getWaterPath(), ".tif");
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layer.getWaters().setFiles(files);
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if (null == files || files.size() == 0) return;
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setWaterData(layer, files);
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setWaterHeight(layer, files);
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}
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public List<BuildingDepthVo> copeWater(ResultDto dto, LayerDto layer) {
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List<String> files = layer.getWaters().getFiles();
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if (files.size() == 0 || files.size() != layer.getWaters().getData().size()) return null;
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processWaters(dto, files, layer);
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return null;
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}
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public List<String> getFiles(String path, String suffix) {
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List<String> files = new ArrayList<>();
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ComHelper.getFiles(files, new File(path), suffix);
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files.sort((a, b) -> a.compareToIgnoreCase(b));
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return files;
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}
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public void setWaterData(LayerDto layer, List<String> files) {
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Calendar calendar = Calendar.getInstance();
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calendar.setTime(new Date());
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calendar.set(Calendar.MILLISECOND, 0);
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for (String file : files) {
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String fileName = ComHelper.getNameWithExt(file);
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int year = Integer.parseInt(fileName.substring(0, 4));
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int month = Integer.parseInt(fileName.substring(4, 6));
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int day = Integer.parseInt(fileName.substring(6, 8));
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int hour = Integer.parseInt(fileName.substring(8, 10));
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int minute = Integer.parseInt(fileName.substring(10, 12));
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int second = Integer.parseInt(fileName.substring(12, 14));
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calendar.set(Calendar.YEAR, year);
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calendar.set(Calendar.MONTH, month);
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calendar.set(Calendar.DAY_OF_MONTH, day);
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calendar.set(Calendar.HOUR_OF_DAY, hour);
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calendar.set(Calendar.MINUTE, minute);
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calendar.set(Calendar.SECOND, second);
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layer.getWaters().getData().add(calendar.getTime().getTime());
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}
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layer.getDuration().setStart(layer.getWaters().getData().get(0));
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layer.getDuration().setEnd(layer.getWaters().getData().get(layer.getWaters().getData().size() - 1));
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}
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public void setWaterHeight(LayerDto layer, List<String> files) {
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int c = files.size(), step = files.size() / 10;
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if (step < 1) step = 1;
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double minx = Double.MAX_VALUE;
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double miny = Double.MAX_VALUE;
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double maxx = Double.MIN_VALUE;
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double maxy = Double.MIN_VALUE;
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for (int i = 0; i < c; i += step) {
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Dataset ds = null;
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try {
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ds = gdal.Open(files.get(i), gdalconstConstants.GA_ReadOnly);
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if (null == ds || 0 == ds.getRasterCount()) return;
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double[] mm = new double[2];
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ds.GetRasterBand(1).ComputeRasterMinMax(mm, 0);
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layer.getWaters().setHeight(mm[0], mm[1]);
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double[] bbox = readTifBbox(ds);
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double minLon = bbox[0];
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double maxLon = bbox[1];
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double minLat = bbox[2];
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double maxLat = bbox[3];
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if (minx > minLon) minx = minLon;
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if (miny > minLat) miny = minLat;
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if (maxx < maxLon) maxx = maxLon;
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if (maxy < maxLat) maxy = maxLat;
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} finally {
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if (null != ds) ds.delete();
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}
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}
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layer.getExtension().setMaxHeight(layer.getExtension().getMaxHeight() + layer.getWaters().getMaxHeight() + 1);
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layer.getExtension().setMaxHeight(ComHelper.getMaxVal(layer.getExtension().getMaxHeight(), 1000000));
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layer.getExtension().setMinHeight(ComHelper.getMaxVal(layer.getExtension().getMinHeight(), 1000000));
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layer.getExtension().setDiffer();
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}
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private double[] readTifBbox(Dataset ds) {
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// 1. 获取图像尺寸
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int width = ds.getRasterXSize();
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int height = ds.getRasterYSize();
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// 2. 获取GeoTransform参数
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double[] geoTransform = new double[6];
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ds.GetGeoTransform(geoTransform);
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// 3. 解析GeoTransform参数（经纬度坐标）
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double originLon = geoTransform[0]; // 左上角经度
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double originLat = geoTransform[3]; // 左上角纬度
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double pixelWidth = geoTransform[1]; // 经度方向分辨率（度/像素）
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double pixelHeight = geoTransform[5]; // 纬度方向分辨率（度/像素，通常为负）
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// 4. 计算四至范围（经纬度）
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double minLon = Math.min(originLon, originLon + width * pixelWidth);
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double maxLon = Math.max(originLon, originLon + width * pixelWidth);
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double minLat = Math.min(originLat, originLat + height * pixelHeight);
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double maxLat = Math.max(originLat, originLat + height * pixelHeight);
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return new double[] {minLon, maxLon, minLat, maxLat};
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}
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public void processWaters(ResultDto dto, List<String> files, LayerDto layer) {
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for (int i = 0, c = files.size(); i < c; i++) {
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Dataset ds = null;
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try {
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ds = gdal.Open(files.get(i), gdalconstConstants.GA_ReadOnly);
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if (null == ds || 0 == ds.getRasterCount()) return;
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if (null == ds.GetSpatialRef()) ds.SetSpatialRef(dto.getSpatialReference());
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createWaterPng(dto, ds, layer, layer.getWaters().getData().get(i));
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//if (config.getCopyTif()) copyWaterTif(dto, ds, layer.getWaters().getData().get(i));
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///createVectors(dto, ds, layer, layer.getWaters().getData().get(i));
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} finally {
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if (null != ds) ds.delete();
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}
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}
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}
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public void createWaterPng(ResultDto dto, Dataset ds, LayerDto layer, long ticks) {
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String waterPath = dto.getOutPath() + File.separator + "waters" + File.separator + ticks;
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File dir = new File(waterPath);
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if (!dir.exists() || !dir.isDirectory()) dir.mkdirs();
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for (int[] sizes : layer.getTerrain().getSize()) {
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String fileName = ComHelper.getNameWithExt(ds.GetDescription()) + "_" + sizes[0] + "_" + sizes[1];
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String tif = dto.getTemp() + File.separator + fileName + ".tif";
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ComHelper.Resample2(ds, tif, sizes[0], sizes[1], layer);
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if (!new File(tif).exists()) continue;
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String png = waterPath + File.separator + sizes[0] + "_" + sizes[1] + ".png";
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water2Png(dto, layer, tif, png, sizes[0], sizes[1]);
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}
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}
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public void water2Png(ResultDto dto, LayerDto layer, String tif, String png, int width, int height) {
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Dataset ds = null;
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try {
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ds = gdal.Open(tif, gdalconstConstants.GA_ReadOnly);
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if (null == ds || 0 == ds.getRasterCount()) return;
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Band band = ds.GetRasterBand(1);
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float[] buffer = new float[width * height];
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band.ReadRaster(0, 0, width, height, buffer);
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double[] transform = ds.GetGeoTransform();
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buffer = interpolateGrid(buffer, width, height);
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BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
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//double differ = layer.getWaters().getMaxHeight() - layer.getWaters().getMinHeight(), minHeight = layer.getWaters().getMinHeight();
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double differ = layer.getExtension().getDiffer(), maxHeight = layer.getExtension().getMaxHeight(), minHeight = layer.getExtension().getMinHeight();
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float[] ts = layer.getTerrain().getVals().get(width + "_" + height);
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for (int x = 0; x < width; x++) {
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for (int y = 0; y < height; y++) {
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int offset = x + y * width;
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//if (Float.isNaN(buffer[offset]) || buffer[offset] < -999 || buffer[offset] < minHeight) continue;
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if (Float.isNaN(buffer[offset]) || buffer[offset] < MIN_VAL || Float.isNaN(ts[offset])) continue;
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//double X = transform[0] + x * transform[1] + y * transform[2];
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//double Y = transform[3] + x * transform[4] + y * transform[5];
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//BuildingDto building = intersects(dto, X, Y);
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//if (null != building) continue;
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int r = 0, g, b;
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if (buffer[offset] + ts[offset] > maxHeight) {
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g = b = 255;
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} else {
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int val = (int) ((buffer[offset] + ts[offset] - minHeight) / differ * 65535);
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//int val = (int) (buffer[offset] / differ * 65535);
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g = val / 256;
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b = val % 256;
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}
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g = ComHelper.getSafeValue(g);
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b = ComHelper.getSafeValue(b);
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Color color = new Color(r, g, b, 127);
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image.setRGB(x, y, color.getRGB());
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}
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}
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ComHelper.savePng(image, png);
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} finally {
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if (null != ds) ds.delete();
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}
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}
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/**
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* 插值处理-四邻域
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*/
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public float[] interpolateGrid(float[] buffer, int width, int height) {
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float[] tempBuffer = new float[width * height];
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for (int x = 0; x < width; x++) {
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for (int y = 0; y < height; y++) {
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int index = x + y * width;
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float current = buffer[index];
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if (current <= MIN_VAL) {
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float sum = 0;
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int count = 0;
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// 检查上邻
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if (y > 0) {
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float neighbor = buffer[x + (y - 1) * width];
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if (neighbor > MIN_VAL) {
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sum += neighbor;
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count++;
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}
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}
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// 检查下邻
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if (y < height - 1) {
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float neighbor = buffer[x + (y + 1) * width];
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if (neighbor > MIN_VAL) {
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sum += neighbor;
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count++;
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}
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}
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// 检查左邻
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if (x > 0) {
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float neighbor = buffer[x - 1 + y * width];
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if (neighbor > MIN_VAL) {
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sum += neighbor;
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count++;
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}
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}
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// 检查右邻
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if (x < width - 1) {
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float neighbor = buffer[x + 1 + y * width];
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if (neighbor > MIN_VAL) {
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sum += neighbor;
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count++;
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}
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}
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// 计算新值
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if (count > 0) {
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tempBuffer[index] = (sum / count) * 0.5f;
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} else {
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tempBuffer[index] = 0;
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}
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} else {
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tempBuffer[index] = current;
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}
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}
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}
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//System.arraycopy(tempBuffer, 0, buffer, 0, tempBuffer.length); // 复制回原数组
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return tempBuffer;
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}
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public void copeFlow(ResultDto dto, LayerDto layer) {
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List<String> files = layer.getWaters().getFiles();
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if (null == files || files.isEmpty()) return;
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for (int i = 0, c = files.size(); i < c; i++) {
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Dataset ds = null;
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try {
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ds = gdal.Open(files.get(i), gdalconstConstants.GA_ReadOnly);
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if (null == ds || 0 == ds.getRasterCount()) return;
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if (null == ds.GetSpatialRef()) ds.SetSpatialRef(dto.getSpatialReference());
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createFlowPng(dto, ds, layer, layer.getWaters().getData().get(i));
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} finally {
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if (null != ds) ds.delete();
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}
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}
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}
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public void createFlowPng(ResultDto dto, Dataset ds, LayerDto layer, long ticks) {
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String flowPath = dto.getOutPath() + File.separator + "flows" + File.separator + ticks;
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File dir = new File(flowPath);
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if (!dir.exists() || !dir.isDirectory()) dir.mkdirs();
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for (int[] sizes : layer.getTerrain().getSize()) {
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String name = ComHelper.getNameWithExt(ds.GetDescription()) + "_" + sizes[0] + "_" + sizes[1];
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String tif = dto.getTemp() + File.separator + name + ".tif";
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ComHelper.Resample(ds, tif, sizes[0], sizes[1], layer);
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if (!new File(tif).exists()) continue;
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String png = flowPath + File.separator + sizes[0] + "_" + sizes[1] + ".png";
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vxyTif2Png(layer, tif, png, sizes[0], sizes[1]);
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}
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}
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public void vxyTif2Png(LayerDto layer, String tif, String png, int width, int height) {
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Dataset ds = null;
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try {
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ds = gdal.Open(tif, gdalconstConstants.GA_ReadOnly);
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if (null == ds || 0 == ds.getRasterCount()) return;
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float[] depthBuffer = new float[width * height];
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float[] vxBuffer = new float[width * height];
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float[] vyBuffer = new float[width * height];
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ds.GetRasterBand(1).ReadRaster(0, 0, width, height, depthBuffer);
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ds.GetRasterBand(2).ReadRaster(0, 0, width, height, vxBuffer);
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ds.GetRasterBand(3).ReadRaster(0, 0, width, height, vyBuffer);
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createFlowPng(depthBuffer, vxBuffer, vyBuffer, png, width, height);
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} finally {
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if (null != ds) ds.delete();
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}
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}
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public void createFlowPng(float[] depthBuffer, float[] vxBuffer, float[] vyBuffer, String png, int width, int height) {
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BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
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for (int x = 0; x < width; x++) {
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for (int y = 0; y < height; y++) {
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int offset = x + y * width;
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float depth = ComHelper.getFloatValue(depthBuffer[offset]);
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float fx = ComHelper.getFloatValue(vxBuffer[offset]);
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float fy = ComHelper.getFloatValue(vyBuffer[offset]);
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if (Float.isNaN(fx) && Float.isNaN(fy) || (fx < MIN_VAL && fy < MIN_VAL)) continue;
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if (depth == 0) {
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fx = 0f;
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fy = 0f;
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} else {
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fx = Float.isNaN(fx) ? 0 : fx / depth;
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fy = Float.isNaN(fy) ? 0 : fy / depth;
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}
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double dr = Math.sqrt(Math.pow(fx, 2) + Math.pow(fy, 2));
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int r = (int) (dr / 4 * 255);
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int g = (int) ((fx / dr * 0.5 + 0.5) * 255);
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int b = (int) ((fy / dr * 0.5 + 0.5) * 255);
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Color color = new Color(ComHelper.getSafeValue(r), ComHelper.getSafeValue(g), ComHelper.getSafeValue(b), 127);
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image.setRGB(x, y, color.getRGB());
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}
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}
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ComHelper.savePng(image, png);
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}
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/*public void createFlowPng(float[] vxBuffer, float[] vyBuffer, String png, int width, int height) {
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BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
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for (int x = 0; x < width; x++) {
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for (int y = 0; y < height; y++) {
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int offset = x + y * width;
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float fx = ComHelper.getFloatValue(vxBuffer[offset]);
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float fy = ComHelper.getFloatValue(vyBuffer[offset]);
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if (Float.isNaN(fx) && Float.isNaN(fy) || (fx < MIN_VAL && fy < MIN_VAL)) continue;
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fx = Float.isNaN(fx) ? 0 : fx;
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fy = Float.isNaN(fy) ? 0 : fy;
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double dr = Math.sqrt(Math.pow(fx, 2) + Math.pow(fy, 2));
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int r = (int) (dr / 4 * 255);
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int g = (int) ((fx / dr * 0.5 + 0.5) * 255);
|
int b = (int) ((fy / dr * 0.5 + 0.5) * 255);
|
|
Color color = new Color(ComHelper.getSafeValue(r), ComHelper.getSafeValue(g), ComHelper.getSafeValue(b), 127);
|
image.setRGB(x, y, color.getRGB());
|
}
|
}
|
ComHelper.savePng(image, png);
|
}*/
|
|
public void copeLayerJson(ResultDto dto, LayerDto layer) throws IOException {
|
layer.getWaters().setFiles(null);
|
layer.getTerrain().setEpsg(null);
|
layer.getExtension().setDiffer(null);
|
|
String path = dto.getOutPath().replace(config.getOutPath() + File.separator, "");
|
layer.setWaterUrl("/hls/w" + path + ".m3u8");
|
layer.setFlowUrl("/hls/f" + path + ".m3u8");
|
|
String json = JSON.toJSONString(layer);
|
// String json = JSONUtil.toJsonPrettyStr(layer);
|
String filePath = dto.getOutPath() + File.separator + "layer.json";
|
|
ComHelper.writeJson(filePath, json);
|
}
|
}
|
