{"id":1301,"date":"2024-09-12T07:58:52","date_gmt":"2024-09-12T07:58:52","guid":{"rendered":"https:\/\/www.gislxz.com\/?p=1301"},"modified":"2024-09-12T07:58:53","modified_gmt":"2024-09-12T07:58:53","slug":"%e4%bb%8e0%e5%bc%80%e5%a7%8b%e7%9a%84gis%e5%bc%80%e5%8f%91%e8%ae%b0%e5%bd%951","status":"publish","type":"post","link":"https:\/\/www.gislxz.com\/index.php\/2024\/09\/12\/%e4%bb%8e0%e5%bc%80%e5%a7%8b%e7%9a%84gis%e5%bc%80%e5%8f%91%e8%ae%b0%e5%bd%951\/","title":{"rendered":"\u4ece0\u5f00\u59cb\u7684GIS\u5f00\u53d1\u8bb0\u5f55(1)"},"content":{"rendered":"\n

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#\u5bfc\u5165GDAL\u5e93\nINCLUDEPATH += D:\/coding\/OSGeo4w\/apps\/gdal-dev\/include\nLIBS += -LD:\/coding\/OSGeo4w\/apps\/gdal-dev\/lib -lgdal_i<\/code><\/pre>\n\n\n\n
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\u5728main\u51fd\u6570\u91cc\u6d4b\u8bd5\u4e00\u4e0b<\/p>\n\n\n\n
#include \"mainwindow.h\"\n#include \"gdal_priv.h\"\n#include <QApplication>\n\nint main(int argc, char *argv[])\n{\n    QApplication a(argc, argv);\n\n    \/\/CPLSetConfigOption(\"GDAL_FILENAME_IS_UTF8\", \"NO\");\n    GDALAllRegister();  \/\/ \u6ce8\u518c\u6240\u6709GDAL\u9a71\u52a8\n    \/\/ \u5c1d\u8bd5\u6253\u5f00\u4e00\u4e2a\u6570\u636e\u96c6\uff0c\u786e\u4fdd\u8fd9\u91cc\u7684\u8def\u5f84\u6307\u5411\u4e00\u4e2a\u6709\u6548\u7684\u5730\u7406\u6570\u636e\u6587\u4ef6\n    const char *pszFilename = \"E:\\\\\u5b81\u590f\\\\\u6d4b\u8bd5\u56fe\u50cf\\\\test159.tif\";  \/\/ \u66f4\u6539\u4e3a\u4f60\u7684\u6587\u4ef6\u8def\u5f84\n\n    GDALDatasetUniquePtr poDataset = GDALDatasetUniquePtr(GDALDataset::FromHandle(GDALOpen(pszFilename, GA_ReadOnly)));\n\n    if (poDataset == nullptr) {\n        qDebug() << \"GDAL could not open the file: \" << pszFilename;\n        return 1;  \/\/ \u6587\u4ef6\u6253\u5f00\u5931\u8d25\n    } else {\n        qDebug() << \"File opened successfully!\";\n        qDebug() << poDataset->GetRasterCount();\n\n        \/\/ \u6253\u5370\u5730\u7406\u53d8\u6362\u4fe1\u606f\n        double adfGeoTransform[6];\n        if (poDataset->GetGeoTransform(adfGeoTransform) == CE_None) {\n            qDebug() << \"Origin = (\" << adfGeoTransform[0] << \", \" << adfGeoTransform[3] << \")\";\n            qDebug() << \"Pixel Size = (\" << adfGeoTransform[1] << \", \" << adfGeoTransform[5] << \")\";\n        }\n    }\n\n    MainWindow w;\n    w.show();\n    return a.exec();\n}<\/code><\/pre>\n\n\n\n
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GISlxz\/drawShpwithQGraphicsView (github.com)<\/a><\/p>\n\n\n\n
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