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opencv--opencv/modules/imgcodecs/test/test_gdal.cpp
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2026-07-13 12:06:04 +08:00

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// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html
#include "test_precomp.hpp"
#include "test_common.hpp"
namespace opencv_test { namespace {
#ifdef HAVE_GDAL
static void test_gdal_read(const string filename, bool required = true) {
const string path = cvtest::findDataFile(filename);
Mat img;
ASSERT_NO_THROW(img = imread(path, cv::IMREAD_LOAD_GDAL | cv::IMREAD_ANYDEPTH | cv::IMREAD_ANYCOLOR));
if(!required && img.empty())
{
throw SkipTestException("GDAL is built wihout required back-end support");
}
ASSERT_FALSE(img.empty());
EXPECT_EQ(3, img.cols);
EXPECT_EQ(5, img.rows);
EXPECT_EQ(CV_MAKETYPE(CV_32F, 7), img.type());
EXPECT_EQ(101.125, (img.at<Vec<float, 7>>(0, 0)[0]));
EXPECT_EQ(203.500, (img.at<Vec<float, 7>>(2, 1)[3]));
EXPECT_EQ(305.875, (img.at<Vec<float, 7>>(4, 2)[6]));
}
TEST(Imgcodecs_gdal, read_envi)
{
test_gdal_read("../cv/gdal/envi_test.raw");
}
TEST(Imgcodecs_gdal, read_fits)
{
// .fit test is optional because GDAL may be built wihtout CFITSIO library support
test_gdal_read("../cv/gdal/fits_test.fit", false);
}
#endif // HAVE_GDAL
}} // namespace