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.DataPo;
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import com.se.nsl.domain.po.PondingPo;
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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 com.se.nsl.helper.ShpHelper;
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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.gdalconstConstants.gdalconst;
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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 org.springframework.util.CollectionUtils;
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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.BufferedReader;
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import java.io.File;
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import java.io.FileReader;
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import java.io.IOException;
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import java.math.BigDecimal;
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import java.math.RoundingMode;
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import java.text.ParseException;
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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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import java.util.concurrent.CopyOnWriteArrayList;
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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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@Resource
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ResultService resultService;
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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(DataPo 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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//copeBuilding(dto, layer);
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List<BuildingDepthVo> buildings = copeWater(dto, layer);
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//copeFlow(dto, layer);
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copeLayerJson(dto, layer);
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//copeRainFallJson(dto, layer);
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//copeBuildingDepthJson(dto, buildings);
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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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// gdalconst，gdalconstConstants
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ds = gdal.Open(dto.getTerrainFile(), gdalconstConstants.GA_ReadOnly);
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if (null == ds || 0 == ds.getRasterCount()) return;
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setTerrainInfo(ds, layer);
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createTerrainPng(dto, ds, layer);
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setWaterInfo(dto, 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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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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if (new File(dto.getBuildingFile()).exists()) {
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return processBuilding(dto, files, layer);
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}
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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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/*files.parallelStream().forEach(file -> {
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Dataset ds = null;
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try {
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ds = gdal.Open(file, 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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} finally {
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if (null != ds) ds.delete();
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}
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});*/
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int c = files.size();
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int step = c <= 1 ? 1 : c / 10;
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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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} 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());
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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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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.Resample(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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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] <= 0.001 || 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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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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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 List<BuildingDepthVo> processBuilding(ResultDto dto, List<String> files, LayerDto layer) {
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List<BuildingDepthVo> list = new CopyOnWriteArrayList<>();
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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()) continue;
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if (null == ds.GetSpatialRef()) ds.SetSpatialRef(dto.getSpatialReference());
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copeBuildingDepth(dto, ds, layer.getWaters().getData().get(i), list);
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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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return list;
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}
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public void copeBuildingDepth(ResultDto dto, Dataset ds, long ticks, List<BuildingDepthVo> list) {
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double[] transform = ds.GetGeoTransform();
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int xSize = ds.getRasterXSize(), ySize = ds.getRasterYSize();
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double minX = transform[0], pixelWidth = transform[1], maxY = transform[3], pixelHeight = Math.abs(transform[5]);
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for (BuildingDto building : dto.getBuildingList()) {
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Double val = getValue(ds, building, xSize, ySize, minX, maxY, pixelWidth, pixelHeight);
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list.add(new BuildingDepthVo(building.getId(), ticks, val));
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}
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}
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public Double getValue(Dataset ds, BuildingDto building, int xSize, int ySize, double minX, double maxY, double pixelWidth, double pixelHeight) {
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double[] env = new double[4];
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building.getGeom().GetEnvelope(env);
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int startX = (int) Math.floor((env[0] - minX) / pixelWidth);
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int endX = (int) Math.floor((env[1] - minX) / pixelWidth);
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int startY = (int) Math.floor((maxY - env[3]) / Math.abs(pixelHeight));
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int endY = (int) Math.floor((maxY - env[2]) / Math.abs(pixelHeight));
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if (startX < 0) startX = 0;
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if (startY < 0) startY = 0;
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if (endX > ds.getRasterXSize()) endX = ds.getRasterXSize();
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if (endY > ds.getRasterYSize()) endY = ds.getRasterYSize();
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if (endX - startX < 1 || endY - startY < 1) return null;
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int width = endX - startX;
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int height = endY - startY;
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double[] pixelValues = new double[width * height];
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ds.GetRasterBand(1).ReadRaster(startX, startY, width, height, pixelValues);
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Double val = Arrays.stream(pixelValues).max().getAsDouble();
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return ComHelper.isValid(val) ? val : null;
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}
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public void createVectors(ResultDto dto, Dataset ds, LayerDto layer, Long ticks) {
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String filePath = dto.getOutPath() + File.separator + "waters" + File.separator + ticks + File.separator + "polygonize.geojson";
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ShpHelper.polygonize2Geojson(ds, filePath);
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/*List<Geometry> geometries = getGeometries(filePath);
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if (CollectionUtils.isEmpty(geometries)) return;
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List<PondingPo> list = copePonding(dto, ds, layer, geometries);
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if (CollectionUtils.isEmpty(list)) return;
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try {
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filePath = dto.getOutPath() + File.separator + "waters" + File.separator + ticks + File.separator + "water.json";
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ComHelper.writeJson(filePath, JSON.toJSONString(list));
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} catch (Exception ex) {
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log.error(ex.getMessage(), ex);
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}*/
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}
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public List<Geometry> getGeometries(String filePath) {
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if (!FileUtil.exist(filePath)) return null;
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Driver driver = null;
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DataSource dataSource = null;
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org.gdal.ogr.Layer layer = null;
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try {
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driver = ogr.GetDriverByName("GeoJSON");
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if (null == driver) return null;
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DataSource ds = driver.Open(filePath);
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if (null == ds) return null;
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layer = ds.GetLayer(0);
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List<Geometry> list = new ArrayList<>();
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for (long i = 0, d = layer.GetFeatureCount(); i < d; i++) {
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Feature f = layer.GetFeature(i);
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if (f.GetFieldAsDouble("val") < -999) continue;
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list.add(f.GetGeometryRef());
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}
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return list;
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} catch (Exception ex) {
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log.error(ex.getMessage(), ex);
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return null;
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} finally {
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GdalHelper.delete(layer, dataSource, driver);
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}
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}
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public List<PondingPo> copePonding(ResultDto dto, Dataset ds, LayerDto layer, List<Geometry> geometries) {
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double[] transform = ds.GetGeoTransform();
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int xSize = ds.getRasterXSize(), ySize = ds.getRasterYSize();
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List<PondingPo> list = new ArrayList<>();
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for (Geometry geometry : geometries) {
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//List<PointDto> points = getValues(ds, geometry, transform, xSize, ySize);
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//if (CollectionUtils.isEmpty(points)) continue;
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//PointDto point = Collections.max(points);
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PointDto point = getValues(ds, geometry, transform, xSize, ySize);
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if (null == point) continue;
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list.add(new PondingPo(geometry, point));
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}
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return list;
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}
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public PointDto getValues(Dataset ds, Geometry g, double[] transform, int xSize, int ySize) {
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double[] env = new double[4];
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g.GetEnvelope(env);
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int startX = (int) Math.floor((env[0] - transform[0]) / transform[1]);
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int endX = (int) Math.floor((env[1] - transform[0]) / transform[1]);
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int startY = (int) Math.floor((transform[3] - env[3]) / Math.abs(transform[5]));
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int endY = (int) Math.floor((transform[3] - env[2]) / Math.abs(transform[5]));
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if (startX < 0) startX = 0;
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if (startY < 0) startY = 0;
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if (endX > ds.getRasterXSize()) endX = ds.getRasterXSize();
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if (endY > ds.getRasterYSize()) endY = ds.getRasterYSize();
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if (endX - startX < 1 || endY - startY < 1) return null;
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int width = endX - startX;
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int height = endY - startY;
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double[] pixelValues = new double[width * height];
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ds.GetRasterBand(1).ReadRaster(startX, startY, width, height, pixelValues);
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Double val = Arrays.stream(pixelValues).max().getAsDouble();
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return new PointDto(g.Centroid().GetX(), g.Centroid().GetY(), ComHelper.isValid(val) ? val : 0.0);
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}
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public void copeFlow(ResultDto dto, LayerDto layer) {
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List<String> files = getFiles(dto.getFlowPath(), ".tif");
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if (null == files || files.size() != layer.getWaters().getData().size()) 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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}
|
|
public void vxyTif2Png(LayerDto layer, String tif, String png, int width, int height) {
|
Dataset ds = null;
|
try {
|
ds = gdal.Open(tif, gdalconstConstants.GA_ReadOnly);
|
if (null == ds || 0 == ds.getRasterCount()) return;
|
|
float[] vxBuffer = new float[width * height], vyBuffer = new float[width * height];
|
ds.GetRasterBand(1).ReadRaster(0, 0, width, height, vxBuffer);
|
ds.GetRasterBand(2).ReadRaster(0, 0, width, height, vyBuffer);
|
|
createFlowPng(vxBuffer, vyBuffer, png, width, height);
|
} finally {
|
if (null != ds) ds.delete();
|
}
|
}
|
|
public void createFlowPng(float[] vxBuffer, float[] vyBuffer, String png, int width, int height) {
|
BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
|
for (int x = 0; x < width; x++) {
|
for (int y = 0; y < height; y++) {
|
int offset = x + y * width;
|
float fx = ComHelper.getFloatValue(vxBuffer[offset]);
|
float fy = ComHelper.getFloatValue(vyBuffer[offset]);
|
if (Float.isNaN(fx) && Float.isNaN(fy) || (fx == 0 && fy == 0)) continue;
|
|
fx = Float.isNaN(fx) ? 0 : fx;
|
fy = Float.isNaN(fy) ? 0 : fy;
|
double dr = Math.sqrt(Math.pow(fx, 2) + Math.pow(fy, 2));
|
|
int r = (int) (dr / 4 * 255);
|
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 json = JSON.toJSONString(layer);
|
// String json = JSONUtil.toJsonPrettyStr(layer);
|
String filePath = dto.getOutPath() + File.separator + "layer.json";
|
|
ComHelper.writeJson(filePath, json);
|
}
|
}
|
