修复坐标系转换的bug
parent
2bd17af3a6
commit
3292dc63e9
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@ -3566,139 +3566,83 @@ void MergeTiffs(QList<QString> inputFiles, QString outputFile) {
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GDALClose(poDstDS);
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GDALClose(poFirstDS);
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}
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bool ConvertCoordinateSystem(QString inRasterPath, QString outRasterPath, long outepsgcode)
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{
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void ConvertCoordinateSystem(QString inRasterPath, QString outRasterPath, long outepsgcode) {
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// 注册所有GDAL驱动
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GDALAllRegister();
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GDALDataset* poDataset = (GDALDataset*)GDALOpen(inRasterPath.toStdString().c_str(), GA_ReadOnly);
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if (!poDataset) {
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std::cerr << "Failed to open input raster." << std::endl;
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return false;
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// 打开输入栅格文件
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GDALDataset* srcDataset = (GDALDataset*)GDALOpen(inRasterPath.toUtf8().constData(), GA_ReadOnly);
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if (!srcDataset) {
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// 错误处理：输出文件打开失败
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// qDebug() << "无法打开输入文件：" << inRasterPath;
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return;
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}
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// 创建目标空间参考
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OGRSpatialReference oSRS;
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if (oSRS.importFromEPSG(outepsgcode) != OGRERR_NONE) {
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std::cerr << "Failed to import EPSG code." << std::endl;
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GDALClose(poDataset);
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return false;
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// 创建目标坐标系
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OGRSpatialReference targetSRS;
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if (targetSRS.importFromEPSG(outepsgcode) != OGRERR_NONE) {
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GDALClose(srcDataset);
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// qDebug() << "无效的EPSG代码：" << outepsgcode;
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return;
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}
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char* pszWKT = nullptr;
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if (oSRS.exportToWkt(&pszWKT) != OGRERR_NONE) {
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std::cerr << "Failed to export SRS to WKT." << std::endl;
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GDALClose(poDataset);
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return false;
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// 获取目标坐标系的WKT表示
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char* targetSRSWkt = nullptr;
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targetSRS.exportToWkt(&targetSRSWkt);
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// 创建重投影后的虚拟数据集（Warped VRT）
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GDALDataset* warpedVRT = (GDALDataset*)GDALAutoCreateWarpedVRT(
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srcDataset,
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nullptr, // 输入坐标系（默认使用源数据）
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targetSRSWkt, // 目标坐标系
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GRA_Bilinear, // 重采样方法：双线性插值
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0.0, // 最大误差（0表示自动计算）
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nullptr // 其他选项
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);
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CPLFree(targetSRSWkt); // 释放WKT内存
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if (!warpedVRT) {
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GDALClose(srcDataset);
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// qDebug() << "创建投影转换VRT失败";
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return;
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}
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// 计算输出参数（尺寸和地理变换）
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void* hTransformArg = GDALCreateGenImgProjTransformer(poDataset, GDALGetProjectionRef(poDataset), nullptr, pszWKT, FALSE, 0, 1);
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if (!hTransformArg) {
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std::cerr << "Failed to create transformer for warp output calculation." << std::endl;
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CPLFree(pszWKT);
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GDALClose(poDataset);
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return false;
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// 获取输出驱动（GeoTIFF格式）
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GDALDriver* driver = GetGDALDriverManager()->GetDriverByName("GTiff");
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if (!driver) {
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GDALClose(warpedVRT);
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GDALClose(srcDataset);
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// qDebug() << "无法获取GeoTIFF驱动";
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return;
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}
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double adfGeoTransform[6];
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int nPixels = 0, nLines = 0;
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if (GDALSuggestedWarpOutput(poDataset, GDALGenImgProjTransform, hTransformArg, adfGeoTransform, &nPixels, &nLines) != CE_None) {
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std::cerr << "Failed to calculate output dimensions." << std::endl;
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GDALDestroyGenImgProjTransformer(hTransformArg);
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CPLFree(pszWKT);
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GDALClose(poDataset);
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return false;
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}
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GDALDestroyGenImgProjTransformer(hTransformArg);
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// 创建输出栅格文件
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GDALDataset* dstDataset = driver->CreateCopy(
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outRasterPath.toUtf8().constData(), // 输出文件路径
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warpedVRT, // 输入数据集（VRT）
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false, // 是否严格复制
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nullptr, // 创建选项
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nullptr, // 进度回调
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nullptr // 回调参数
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);
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// 创建输出数据集
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GDALDriver* poDriver = GetGDALDriverManager()->GetDriverByName("GTiff");
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if (!poDriver) {
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std::cerr << "GTiff driver not available." << std::endl;
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CPLFree(pszWKT);
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GDALClose(poDataset);
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return false;
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if (!dstDataset) {
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// qDebug() << "创建输出文件失败：" << outRasterPath;
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GDALClose(warpedVRT);
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GDALClose(srcDataset);
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return;
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}
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GDALDataType dataType = poDataset->GetRasterBand(1)->GetRasterDataType();
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GDALDataset* poOutDataset = poDriver->Create(outRasterPath.toStdString().c_str(), nPixels, nLines,
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poDataset->GetRasterCount(), dataType, nullptr);
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if (!poOutDataset) {
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std::cerr << "Failed to create output dataset." << std::endl;
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CPLFree(pszWKT);
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GDALClose(poDataset);
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return false;
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}
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// 设置输出数据集的地理参考
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poOutDataset->SetGeoTransform(adfGeoTransform);
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poOutDataset->SetProjection(pszWKT);
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CPLFree(pszWKT);
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// 配置GDAL Warp选项
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GDALWarpOptions* psWarpOptions = GDALCreateWarpOptions();
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CPLSetConfigOption("GDAL_NUM_THREADS", "ALL_CPUS");
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CPLSetConfigOption("GDAL_CACHEMAX", "16000");
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psWarpOptions->eWorkingDataType = dataType;
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psWarpOptions->eResampleAlg = (dataType == GDT_Int16 || dataType == GDT_Int32 || dataType == GDT_Int64 || dataType == GDT_Int8 ||
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dataType == GDT_UInt16 || dataType == GDT_UInt32 || dataType == GDT_UInt64) ? GRA_NearestNeighbour : GRA_Bilinear;
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psWarpOptions->hSrcDS = (GDALDatasetH)poDataset;
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psWarpOptions->hDstDS = (GDALDatasetH)poOutDataset;
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psWarpOptions->nBandCount = poDataset->GetRasterCount();
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// 设置波段映射
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psWarpOptions->panSrcBands = (int*)CPLMalloc(sizeof(int) * psWarpOptions->nBandCount);
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psWarpOptions->panDstBands = (int*)CPLMalloc(sizeof(int) * psWarpOptions->nBandCount);
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for (int i = 0; i < psWarpOptions->nBandCount; ++i) {
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psWarpOptions->panSrcBands[i] = i + 1;
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psWarpOptions->panDstBands[i] = i + 1;
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}
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// 创建坐标转换器
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psWarpOptions->pTransformerArg = GDALCreateGenImgProjTransformer(poDataset, GDALGetProjectionRef(poDataset),
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poOutDataset, GDALGetProjectionRef(poOutDataset),
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FALSE, 0.0, 1);
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psWarpOptions->pfnTransformer = GDALGenImgProjTransform;
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// 执行坐标变换
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GDALWarpOperation oWo;
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if (oWo.Initialize(psWarpOptions) != CE_None) {
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std::cerr << "Warp initialization failed." << std::endl;
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GDALDestroyGenImgProjTransformer(psWarpOptions->pTransformerArg);
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GDALDestroyWarpOptions(psWarpOptions);
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GDALClose(poDataset);
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GDALClose(poOutDataset);
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return false;
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}
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if (oWo.ChunkAndWarpMulti(0, 0, nLines, nPixels) != CE_None) {
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std::cerr << "Warp operation failed." << std::endl;
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GDALDestroyGenImgProjTransformer(psWarpOptions->pTransformerArg);
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GDALDestroyWarpOptions(psWarpOptions);
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GDALClose(poDataset);
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GDALClose(poOutDataset);
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return false;
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}
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// 清理资源
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GDALDestroyGenImgProjTransformer(psWarpOptions->pTransformerArg);
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GDALDestroyWarpOptions(psWarpOptions);
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GDALFlushCache(poOutDataset);
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GDALClose(poDataset);
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GDALClose(poOutDataset);
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return true;
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// 释放资源
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GDALClose(dstDataset);
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GDALClose(warpedVRT);
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GDALClose(srcDataset);
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}
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void ResampleByReferenceRasterB(QString rasterAPath, QString rasterBPath, QString rasterCPath) {
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GDALAllRegister(); // 初始化GDAL驱动
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@ -270,7 +270,7 @@ int BASECONSTVARIABLEAPI saveMatrixXcd2TiFF(Eigen::MatrixXcd data, QString o
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void BASECONSTVARIABLEAPI clipRaster(QString inRasterPath, QString outRasterPath, long minRow, long maxRow, long minCol, long maxCol);
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// 坐标系转换
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bool BASECONSTVARIABLEAPI ConvertCoordinateSystem(QString inRasterPath, QString outRasterPath, long outepsgcode);
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void BASECONSTVARIABLEAPI ConvertCoordinateSystem(QString inRasterPath, QString outRasterPath, long outepsgcode);
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//--------------------- 图像合并流程 ------------------------------
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enum MERGEMODE
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@ -49,7 +49,7 @@
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</attribute>
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<layout class="QVBoxLayout" name="verticalLayout_2">
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<item>
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<layout class="QGridLayout" name="infoLayout"/>
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<layout class="QGridLayout" name="mapCanvasLayout"/>
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</item>
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</layout>
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</widget>
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@ -85,7 +85,7 @@
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<x>0</x>
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<y>0</y>
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<width>906</width>
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<height>23</height>
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<height>22</height>
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</rect>
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</property>
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<widget class="QMenu" name="projectMenu">
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@ -164,6 +164,9 @@
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<verstretch>0</verstretch>
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</sizepolicy>
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</property>
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<property name="windowTitle">
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<string>图层列表</string>
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</property>
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<attribute name="dockWidgetArea">
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<number>1</number>
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</attribute>
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@ -181,7 +184,7 @@
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</sizepolicy>
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</property>
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<property name="title">
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<string>图层列表</string>
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<string/>
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</property>
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<layout class="QHBoxLayout" name="horizontalLayout">
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<item>
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@ -234,6 +237,9 @@ p, li { white-space: pre-wrap; }
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</widget>
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</widget>
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<widget class="QDockWidget" name="dockWidget_2">
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<property name="windowTitle">
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<string>下载任务</string>
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</property>
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<attribute name="dockWidgetArea">
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<number>2</number>
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</attribute>
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@ -357,13 +363,16 @@ p, li { white-space: pre-wrap; }
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</widget>
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</widget>
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<widget class="QDockWidget" name="dockWidget_3">
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<property name="windowTitle">
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<string>信息窗口</string>
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</property>
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<attribute name="dockWidgetArea">
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<number>1</number>
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</attribute>
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<widget class="QWidget" name="dockWidgetContents_4">
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<layout class="QVBoxLayout" name="verticalLayout_5">
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<item>
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<layout class="QGridLayout" name="mapCanvasLayout"/>
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<layout class="QGridLayout" name="infoLayout"/>
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</item>
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</layout>
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</widget>
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@ -50,6 +50,9 @@
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<height>30</height>
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</size>
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</property>
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<property name="text">
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<string>C:\Users\30453\Desktop\RasterTool\LT1A_S1GBM_20241229\LT1A_S1GBM_20241229WGS84.tif</string>
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</property>
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</widget>
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</item>
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<item row="1" column="2">
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@ -73,6 +76,9 @@
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<height>30</height>
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</size>
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</property>
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<property name="text">
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<string>C:\Users\30453\Desktop\RasterTool\LT1A_S1GBM_20241229\LT1A_S1GBM_20241229.tif</string>
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</property>
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</widget>
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</item>
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<item row="0" column="0">
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