package com.se.simu.config;
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import com.se.simu.helper.CaffeineHelper;
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import com.se.simu.helper.GdalHelper;
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import com.se.simu.helper.WebHelper;
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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.Driver;
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import org.gdal.gdal.gdal;
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import org.gdal.gdalconst.gdalconstConstants;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.boot.ApplicationArguments;
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import org.springframework.boot.ApplicationRunner;
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import org.springframework.core.env.Environment;
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import org.springframework.stereotype.Component;
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import javax.annotation.Resource;
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@Slf4j
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@Component
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@SuppressWarnings("ALL")
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public class InitConfig implements ApplicationRunner {
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@Resource
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Environment env;
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@Value("${server.port}")
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String serverPort;
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@Value("${config.cacheTime}")
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Integer cacheTime;
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@Value("${server.servlet.context-path}")
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String contextPath;
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@Override
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public void run(ApplicationArguments args) {
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// noinspection AlibabaRemoveCommentedCode
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try {
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log.info("***************** 初始化 GDAL *****************" + "\n");
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GdalHelper.init(env.getProperty("config.gdalPath"));
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CaffeineHelper.init(cacheTime);
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String path = null != contextPath && contextPath.length() > 1 ? contextPath : "";
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log.info("API文档:http://localhost:" + serverPort + path + "/doc.html");
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log.info("API文档:http://{}:{}{}/doc.html", WebHelper.getHostIp(), serverPort, path);
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log.info("***************** 系统启动完毕 *****************" + "\n");
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//log.info("***************** 读取tif文件 *****************" + "\n");
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// 读取tif文件
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//readTif("D:\\soft\\env\\tif\\srtm_12_03.tif");
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//log.info("***************** 读取tif文件完毕 *****************" + "\n");
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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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/**
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* 读取tif文件
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*
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* @param fileName
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*/
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public static void readTif(String fileName) {
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// 读取影像数据
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Dataset dataset = gdal.Open(fileName, gdalconstConstants.GA_ReadOnly);
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if (dataset == null) {
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System.out.println("read fail!");
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return;
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}
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// providing various methods for a format specific driver.
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Driver driver = dataset.GetDriver();
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System.out.println("driver name: " + driver.getLongName());
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// 读取影像信息
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int xSize = dataset.getRasterXSize();
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int ySzie = dataset.getRasterYSize();
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int rasterCount = dataset.getRasterCount();
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System.out.println("dataset xSize: " + xSize + ", ySzie = " + ySzie + ", rasterCount = " + rasterCount);
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Band band = dataset.GetRasterBand(1);
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// the data type of the band.
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int type = band.GetRasterDataType();
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System.out.println("data type = " + type + ", " + (type == gdalconstConstants.GDT_Byte));
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// Frees the native resource associated to a Dataset object and close the file.
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dataset.delete();
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gdal.GDALDestroyDriverManager();
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}
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}
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