package com.se.simu.service;
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import cn.hutool.core.io.FileUtil;
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import com.se.simu.config.PropertiesConfig;
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import com.se.simu.domain.dto.LayerDto;
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import com.se.simu.domain.dto.ResultDto;
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import com.se.simu.domain.po.DataPo;
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import hdf.hdf5lib.H5;
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import hdf.hdf5lib.HDF5Constants;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Service;
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import javax.annotation.Resource;
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import java.io.File;
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@Slf4j
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@Service
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@SuppressWarnings("ALL")
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public class Hdf5Service {
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@Resource
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PropertiesConfig config;
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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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// https://blog.51cto.com/u_16213355/12235346
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private void process(ResultDto dto, LayerDto layer) throws Exception {
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int fileId = 0;
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int datasetId = 0;
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try {
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if (!FileUtil.exist(dto.getH5Path())) return;
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fileId = H5.H5Fopen(dto.getH5Path(), HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT);
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if (fileId == 0) return;
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// H5F_OBJ_DATASET,H5E_DATASET,H5G_DATASET=1,
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//int dsCount = H5.H5Fget_obj_count(fileId, HDF5Constants.H5G_DATASET);
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//for (int i = 0; i < dsCount; i++) {
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// System.out.println("Dataset: " + "");
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//}
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//datasetId = H5.H5Dopen(fileId, "", HDF5Constants.H5P_DEFAULT);
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int groupId = H5.H5Gopen(fileId, "data");
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if (groupId == 0) return;
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/*datasetId = H5.H5Dopen(fileId, "data", HDF5Constants.H5P_DEFAULT);
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if (datasetId == 0) return;
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// 获取数据集的维度
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//long[] dims = H5.H5Dget_dims(datasetId);
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// 根据数据集的维度创建一个Java数组来存储数据
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int[] buffer = new int[1];
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// 读取数据到Java数组
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int herr = H5.H5Dread(datasetId, HDF5Constants.H5T_NATIVE_INT, HDF5Constants.H5S_ALL, HDF5Constants.H5S_ALL, HDF5Constants.H5P_DEFAULT, buffer);
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// 输出读取到的数据
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System.out.println(buffer[0]);*/
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H5.H5Dclose(groupId);
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} catch (Exception ex) {
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ex.printStackTrace();
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} finally {
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if (fileId > 0) H5.H5Dclose(fileId);
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}
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}
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}
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