diff --git a/tests/Fixtures.h b/tests/Fixtures.h
index e372b123409522db1c5615d6a43febbb33a7d82d..fdba2fc54e50406cf1e3a32e1c2b9dd36ea88cbc 100644
--- a/tests/Fixtures.h
+++ b/tests/Fixtures.h
@@ -200,6 +200,33 @@ class ConstAngularVelocityLineScanSensorModel : public ::testing::Test {
}
};
+class OrbitalLineScanSensorModel : public ::testing::Test {
+ protected:
+ csm::Isd isd;
+ UsgsAstroLsSensorModel *sensorModel;
+
+ void SetUp() override {
+ sensorModel = NULL;
+
+ isd.setFilename("data/orbitalLineScan.img");
+ UsgsAstroPlugin cameraPlugin;
+
+ csm::Model *model = cameraPlugin.constructModelFromISD(
+ isd,
+ "USGS_ASTRO_LINE_SCANNER_SENSOR_MODEL");
+ sensorModel = dynamic_cast<UsgsAstroLsSensorModel *>(model);
+
+ ASSERT_NE(sensorModel, nullptr);
+ }
+
+ void TearDown() override {
+ if (sensorModel) {
+ delete sensorModel;
+ sensorModel = NULL;
+ }
+ }
+};
+
#endif
diff --git a/tests/LineScanCameraTests.cpp b/tests/LineScanCameraTests.cpp
index e5d2876d344cca18acf49a71e9011c549a6c9867..f365d9673a513dcbd2d107968ef7373a4a74c357 100644
--- a/tests/LineScanCameraTests.cpp
+++ b/tests/LineScanCameraTests.cpp
@@ -121,3 +121,60 @@ TEST_F(ConstVelocityLineScanSensorModel, calculateAttitudeCorrection) {
EXPECT_NEAR(attCorr[7], 0, 1e-8);
EXPECT_NEAR(attCorr[8], 0, 1e-8);
}
+
+TEST_F(OrbitalLineScanSensorModel, Center) {
+ csm::ImageCoord imagePt(8.5, 8.0);
+ csm::EcefCoord groundPt = sensorModel->imageToGround(imagePt, 0.0);
+ EXPECT_DOUBLE_EQ(groundPt.x, 999999.680000017);
+ EXPECT_DOUBLE_EQ(groundPt.y, 0.0);
+ EXPECT_DOUBLE_EQ(groundPt.z, -799.99991466668735);
+}
+
+TEST_F(OrbitalLineScanSensorModel, Inversion) {
+ for (double line = 0.5; line < 16; line++) {
+ csm::ImageCoord imagePt(line, 8);
+ csm::EcefCoord groundPt = sensorModel->imageToGround(imagePt, 0.0);
+ csm::ImageCoord imageReprojPt = sensorModel->groundToImage(groundPt);
+
+ // groundToImage has a default precision of 0.001m and each pixel is 100m
+ // so we should be within 0.1 pixels
+ EXPECT_NEAR(imagePt.line, imageReprojPt.line, 0.1);
+ EXPECT_NEAR(imagePt.samp, imageReprojPt.samp, 0.1);
+ }
+}
+
+TEST_F(OrbitalLineScanSensorModel, ImageToGroundHeight) {
+ csm::ImageCoord imagePt(8.5, 8);
+ csm::EcefCoord groundPt = sensorModel->imageToGround(imagePt, 100.0);
+ double height = sqrt(groundPt.x*groundPt.x +
+ groundPt.y*groundPt.y +
+ groundPt.z*groundPt.z);
+
+ EXPECT_DOUBLE_EQ(height, 1000100);
+}
+
+TEST_F(OrbitalLineScanSensorModel, InversionHeight) {
+ for (double line = 0.5; line < 16; line++) {
+ csm::ImageCoord imagePt(line, 8);
+ csm::EcefCoord groundPt = sensorModel->imageToGround(imagePt, 100.0);
+ csm::ImageCoord imageReprojPt = sensorModel->groundToImage(groundPt);
+
+ // groundToImage has a default precision of 0.001m and each pixel is 100m
+ // so we should be within 0.1 pixels
+ EXPECT_NEAR(imagePt.line, imageReprojPt.line, 0.1);
+ EXPECT_NEAR(imagePt.samp, imageReprojPt.samp, 0.1);
+ }
+}
+
+TEST_F(OrbitalLineScanSensorModel, InversionReallyHigh) {
+ for (double line = 0.5; line < 16; line++) {
+ csm::ImageCoord imagePt(line, 8);
+ csm::EcefCoord groundPt = sensorModel->imageToGround(imagePt, 49000.0);
+ csm::ImageCoord imageReprojPt = sensorModel->groundToImage(groundPt);
+
+ // groundToImage has a default precision of 0.001m and each pixel is 2m
+ // so we should be within 0.002 pixels
+ EXPECT_NEAR(imagePt.line, imageReprojPt.line, 0.002);
+ EXPECT_NEAR(imagePt.samp, imageReprojPt.samp, 0.002);
+ }
+}
diff --git a/tests/data/orbitalLineScan.json b/tests/data/orbitalLineScan.json
new file mode 100644
index 0000000000000000000000000000000000000000..c51d32147dc350c1b2ccf738e83a03d7653b5399
--- /dev/null
+++ b/tests/data/orbitalLineScan.json
@@ -0,0 +1,113 @@
+{
+ "name_model" : "USGS_ASTRO_LINE_SCANNER_SENSOR_MODEL",
+ "name_platform" : "TEST_PLATFORM",
+ "name_sensor" : "TEST_SENSOR",
+ "center_ephemeris_time": 1000.0,
+ "starting_ephemeris_time": 999.2,
+ "line_scan_rate": [
+ [0.5, -0.8, 0.1]
+ ],
+ "detector_sample_summing": 1,
+ "detector_line_summing": 1,
+ "t0_ephemeris": -0.8,
+ "dt_ephemeris": 0.1,
+ "t0_quaternion": -0.8,
+ "dt_quaternion": 0.1,
+ "focal2pixel_lines": [0.0, 10.0, 0.0],
+ "focal2pixel_samples": [0.0, 0.0, 10.0],
+ "focal_length_model": {
+ "focal_length": 50
+ },
+ "image_lines": 16,
+ "image_samples": 16,
+ "detector_center" : {
+ "line" : 0.5,
+ "sample" : 8.0
+ },
+ "interpolation_method": "lagrange",
+ "optical_distortion": {
+ "radial": {
+ "coefficients": [0.0, 0.0, 0.0]
+ }
+ },
+ "radii": {
+ "semimajor": 1000,
+ "semiminor": 1000,
+ "unit":"km"
+ },
+ "reference_height": {
+ "maxheight": 1000,
+ "minheight": -1000,
+ "unit": "m"
+ },
+ "sensor_position": {
+ "unit": "km",
+ "positions": [
+ [1050.0, 0.0, 0.0],
+ [1049.99999475, 0.0, -0.104999999825],
+ [1049.9999790000002, 0.0, -0.2099999986],
+ [1049.9999527500004, 0.0, -0.3149999952750001],
+ [1049.9999160000013, 0.0, -0.4199999888000002],
+ [1049.9998687500029, 0.0, -0.5249999781250003],
+ [1049.9998110000056, 0.0, -0.6299999622000008],
+ [1049.9997427500105, 0.0, -0.7349999399750016],
+ [1049.999664000018, 0.0, -0.839999910400003],
+ [1049.9995747500286, 0.0, -0.9449998724250054],
+ [1049.999475000044, 0.0, -1.049999825000009],
+ [1049.999364750064, 0.0, -1.1549997670750143],
+ [1049.9992440000908, 0.0, -1.259999697600022],
+ [1049.9991127501248, 0.0, -1.3649996155250328],
+ [1049.9989710001682, 0.0, -1.4699995198000473],
+ [1049.9988187502213, 0.0, -1.5749994093750666]
+ ],
+ "velocities": [
+ [ 0.0, 0.0, -1.0],
+ [-0.0000999999998333, 0.0, -0.999999995],
+ [-0.0001999999986667, 0.0, -0.9999999800000001],
+ [-0.0002999999955, 0.0, -0.9999999550000004],
+ [-0.0003999999893333, 0.0, -0.9999999200000013],
+ [-0.0004999999791667, 0.0, -0.9999998750000026],
+ [-0.000599999964, 0.0, -0.9999998200000054],
+ [-0.0006999999428333, 0.0, -0.9999997550000099],
+ [-0.0007999999146667, 0.0, -0.999999680000017],
+ [-0.0008999998785, 0.0, -0.9999995950000273],
+ [-0.0009999998333333, 0.0, -0.9999995000000418],
+ [-0.0010999997781667, 0.0, -0.999999395000061],
+ [-0.001199999712, 0.0, -0.9999992800000864],
+ [-0.0012999996338334, 0.0, -0.9999991550001189],
+ [-0.0013999995426667, 0.0, -0.9999990200001602],
+ [-0.0014999994375001, 0.0, -0.9999988750002108]
+ ]
+ },
+ "sensor_orientation": {
+ "quaternions": [
+ [0.0, 0.707106781186547, 0, 0.707106781186547],
+ [0.0, 0.70707142496362, 0, -0.707142135641709],
+ [0.0, 0.707036066973013, 0, -0.707177488329014],
+ [0.0, 0.707000707214816, 0, -0.707212839248377],
+ [0.0, 0.706965345689117, 0, -0.707248188399706],
+ [0.0, 0.706929982396005, 0, -0.707283535782916],
+ [0.0, 0.706894617335569, 0, -0.707318881397917],
+ [0.0, 0.706859250507895, 0, -0.70735422524462],
+ [0.0, 0.706823881913074, 0, -0.707389567322938],
+ [0.0, 0.706788511551192, 0, -0.707424907632782],
+ [0.0, 0.70675313942234, 0, -0.707460246174064],
+ [0.0, 0.706717765526604, 0, -0.707495582946695],
+ [0.0, 0.706682389864075, 0, -0.707530917950587],
+ [0.0, 0.706647012434839, 0, -0.707566251185652],
+ [0.0, 0.706611633238985, 0, -0.707601582651801],
+ [0.0, 0.706576252276603, 0, -0.707636912348946]
+ ]
+ },
+ "starting_detector_line": 0,
+ "starting_detector_sample": 0,
+ "sun_position": {
+ "positions": [
+ [100.0, 100.0, 0.0]
+ ],
+ "velocities": [
+ [0.0, 0.0, 0.0]
+ ],
+ "unit": "m"
+ }
+}