| | |
| | | import com.se.nsl.helper.StringHelper; |
| | | import com.se.nsl.mapper.SimuMapper; |
| | | import com.se.nsl.utils.CoordinateTransformer; |
| | | import com.se.nsl.utils.TimeFormatUtil; |
| | | import lombok.extern.slf4j.Slf4j; |
| | | import org.gdal.gdal.Band; |
| | | import org.gdal.gdal.Dataset; |
| | |
| | | import javax.annotation.Resource; |
| | | import java.io.File; |
| | | import java.io.IOException; |
| | | import java.time.Instant; |
| | | import java.time.LocalDateTime; |
| | | import java.time.ZoneId; |
| | | import java.time.format.DateTimeFormatter; |
| | | import java.nio.file.Path; |
| | | import java.nio.file.Paths; |
| | | import java.util.ArrayList; |
| | | import java.util.Arrays; |
| | | import java.util.List; |
| | | |
| | |
| | | @SuppressWarnings("ALL") |
| | | public class SimuService { |
| | | public static final String TIF_EXTSION = ".tif"; |
| | | public static final String YYYY_MM_DD_HHMMSS = "yyyyMMddHHmmss"; |
| | | @Resource |
| | | SimuMapper simuMapper; |
| | | |
| | |
| | | // System.out.println(String.format("转换前的坐标:x:%s,y:%s", lon, lat)); |
| | | // System.out.println(String.format("转换后的坐标:x:%s,y:%s", xy[0], xy[1])); |
| | | //read from zarr |
| | | // return null; |
| | | // return queryByZarr(xy, time, serviceName); |
| | | |
| | | //read from tif file |
| | | return queryByTif(xy, time, serviceName); |
| | | |
| | | } |
| | | |
| | | public List<SimuResult> queryByPosition(double lon, double lat, String serviceName) { |
| | | //transform coordiante from 4326 to 4548 |
| | | double[] xy = CoordinateTransformer.transform(4326, 4548, lon, lat); |
| | | // System.out.println(String.format("转换前的坐标:x:%s,y:%s", lon, lat)); |
| | | // System.out.println(String.format("转换后的坐标:x:%s,y:%s", xy[0], xy[1])); |
| | | //read from zarr |
| | | // return queryByZarr(xy, time, serviceName); |
| | | |
| | | //read from tif file |
| | | return queryByTif(xy, serviceName); |
| | | |
| | | } |
| | | |
| | |
| | | double y = xy[1]; |
| | | String prefix = formatTime(time); |
| | | File inPath = new File(config.getInPath()); |
| | | File tifDir = new File(inPath, serviceName + File.separator + "depth"); |
| | | int index = 0; |
| | | File[] files = tifDir.listFiles(); |
| | | for (File file : files) { |
| | | String name = file.getName(); |
| | | if (!name.endsWith(TIF_EXTSION)) continue; |
| | | if (name.equals(prefix + TIF_EXTSION)) { |
| | | break; |
| | | } |
| | | index++; |
| | | } |
| | | //TODO需要计算行列号 |
| | | int col = 0; |
| | | int row = 0; |
| | | |
| | | // File tifDir = new File(inPath, serviceName + File.separator + "depth"); |
| | | // int index = 0; |
| | | // File[] files = tifDir.listFiles(); |
| | | // for (File file : files) { |
| | | // String name = file.getName(); |
| | | // if (!name.endsWith(TIF_EXTSION)) continue; |
| | | // if (name.equals(prefix + TIF_EXTSION)) { |
| | | // break; |
| | | // } |
| | | // index++; |
| | | // } |
| | | File dem = new File(inPath, serviceName + File.separator + "DEM.tif"); |
| | | ColumnRow cr = getColumnRow(dem.getAbsoluteFile(), x, y); |
| | | if (cr == null) return null; |
| | | |
| | | File zarr = new File(inPath, serviceName + File.separator + "result.zarr"); |
| | | try { |
| | | ZarrGroup group = ZarrGroup.open(zarr.toPath()); |
| | | ZarrArray depthArray = group.openArray("depth"); |
| | | Object object = depthArray.read(); |
| | | System.out.println(object); |
| | | int[] shape = new int[] {60, 637, 351}; |
| | | // int[] offset = new int[]{210, 384}; |
| | | float[] depth = (float[]) depthArray.read(shape); |
| | | System.out.println("depth:" + depth.length); |
| | | } catch (IOException | InvalidRangeException e) { |
| | | throw new RuntimeException(e); |
| | | } |
| | |
| | | return null; |
| | | } |
| | | |
| | | ColumnRow cr = getColumnRow(tifFile, x, y); |
| | | if (cr == null) return null; |
| | | // System.out.println("col:" + cr.col + " ,row:" + cr.row); |
| | | float depth = readPixelValue(cr.dataset, cr.col, cr.row, 1); |
| | | float velocity = calcVelocity(cr.dataset, cr.col, cr.row); |
| | | SimuResult result = new SimuResult(); |
| | | result.setDepth(depth); |
| | | result.setVelocity(velocity); |
| | | result.setTime(time); |
| | | return result; |
| | | } |
| | | |
| | | private List<SimuResult> queryByTif(double[] xy, String serviceName) { |
| | | double x = xy[0]; |
| | | double y = xy[1]; |
| | | List<SimuResult> res = new ArrayList<>(); |
| | | File inPath = new File(config.getInPath()); |
| | | Path depthPath = Paths.get(inPath.getAbsolutePath(), serviceName, "depth"); |
| | | File depthDir = depthPath.toFile(); |
| | | File[] files = depthDir.listFiles(); |
| | | for (File tifFile : files) { |
| | | String name = tifFile.getName(); |
| | | if (!name.endsWith(TIF_EXTSION)) continue; |
| | | ColumnRow cr = getColumnRow(tifFile, x, y); |
| | | if (cr == null) continue; |
| | | float depth = readPixelValue(cr.dataset, cr.col, cr.row, 1); |
| | | float velocity = calcVelocity(cr.dataset, cr.col, cr.row); |
| | | SimuResult result = new SimuResult(); |
| | | result.setDepth(depth); |
| | | result.setVelocity(velocity); |
| | | String time = tifFile.getName().replace(".tif", ""); |
| | | result.setTime(TimeFormatUtil.toMillis(time, YYYY_MM_DD_HHMMSS)); |
| | | res.add(result); |
| | | } |
| | | return res; |
| | | } |
| | | |
| | | private static ColumnRow getColumnRow(File tifFile, double x, double y) { |
| | | Dataset dataset = gdal.Open(tifFile.getAbsolutePath(), gdalconstConstants.GA_ReadOnly); |
| | | // 获取地理变换参数(6元素数组) |
| | | // [0]: 左上角X坐标, [1]: 像元宽度, [2]: X方向旋转, |
| | |
| | | log.warn("行列号不在tif范围内"); |
| | | return null; |
| | | } |
| | | float depth = readPixelValue(dataset, col, row, 1); |
| | | float velocity = calcVelocity(dataset, col, row); |
| | | SimuResult result = new SimuResult(); |
| | | result.setDepth(depth); |
| | | result.setVelocity(velocity); |
| | | return result; |
| | | return new ColumnRow(dataset, col, row); |
| | | } |
| | | |
| | | private static class ColumnRow { |
| | | public final Dataset dataset; |
| | | public final int col; |
| | | public final int row; |
| | | |
| | | public ColumnRow(Dataset dataset, int col, int row) { |
| | | this.dataset = dataset; |
| | | this.col = col; |
| | | this.row = row; |
| | | } |
| | | } |
| | | |
| | | private float calcVelocity(Dataset dataset, int col, int row) { |
| | |
| | | } |
| | | |
| | | private String formatTime(long time) { |
| | | Instant instant = Instant.ofEpochMilli(time); |
| | | LocalDateTime localDateTime = LocalDateTime.ofInstant(instant, ZoneId.systemDefault()); |
| | | DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyyMMddHHmmss"); |
| | | return localDateTime.format(formatter); |
| | | return TimeFormatUtil.formatTime(time, YYYY_MM_DD_HHMMSS); |
| | | } |
| | | |
| | | } |