Commit b0cb20e3 authored by K. Williams's avatar K. Williams Committed by Jesse Mapel
Browse files

Test camera model (#100) 

* added observer x-distance test.

* added rotation tests.

* removed extra comments

* changed to use pi constant

* added semi-major and semi-minor axis tests.

* comment edits
parent cd1b6427

tests/FrameCameraTests.cpp

+69 −0
Original line number Diff line number Diff line
@@ -343,3 +343,72 @@ TEST_F(FrameIsdTest, Rotation_SPole_Center) { 


}





// Ellipsoid axis tests:

TEST_F(FrameIsdTest, SemiMajorAxis100x_Center) {

   std::string key = "semi_major_axis";

   std::string newValue = "1.0";

   isd.clearParams(key);

   isd.addParam(key,newValue);

   UsgsAstroFramePlugin frameCameraPlugin;

         

   csm::Model *model = frameCameraPlugin.constructModelFromISD(

         isd,

         "USGS_ASTRO_FRAME_SENSOR_MODEL");

   

   UsgsAstroFrameSensorModel* sensorModel = dynamic_cast<UsgsAstroFrameSensorModel *>(model);

   

   ASSERT_NE(sensorModel, nullptr);

   csm::ImageCoord imagePt(7.5, 7.5);

   csm::EcefCoord groundPt = sensorModel->imageToGround(imagePt, 0.0);

   EXPECT_NEAR(groundPt.x, 1000.0, 1e-8);

   EXPECT_NEAR(groundPt.y, 0.0, 1e-8);

   EXPECT_NEAR(groundPt.z, 0.0, 1e-8);

   

}

TEST_F(FrameIsdTest, SemiMajorAxis10x_SlightlyOffCenter) {

   std::string key = "semi_major_axis";

   std::string newValue = "0.10";

   isd.clearParams(key);

   isd.addParam(key,newValue);

   UsgsAstroFramePlugin frameCameraPlugin;

         

   csm::Model *model = frameCameraPlugin.constructModelFromISD(

         isd,

         "USGS_ASTRO_FRAME_SENSOR_MODEL");

   

   UsgsAstroFrameSensorModel* sensorModel = dynamic_cast<UsgsAstroFrameSensorModel *>(model);

   

   ASSERT_NE(sensorModel, nullptr);

   csm::ImageCoord imagePt(7.5, 6.5);

   csm::EcefCoord groundPt = sensorModel->imageToGround(imagePt, 0.0);

   //Note: In the following, the tolerance was increased due to the combination of an offset image point and 

   //      a very large deviation from sphericity.

   EXPECT_NEAR(groundPt.x, 9.83606557e+01, 1e-7);

   EXPECT_NEAR(groundPt.y, 0.0, 1e-7);

   EXPECT_NEAR(groundPt.z, 1.80327869, 1e-7);

   

}

// The following test is for the scenario where the semi_minor_axis is actually larger 

// than the semi_major_axis:

TEST_F(FrameIsdTest, SemiMinorAxis10x_SlightlyOffCenter) {

   std::string key = "semi_minor_axis";

   std::string newValue = "0.10";

   isd.clearParams(key);

   isd.addParam(key,newValue);

   UsgsAstroFramePlugin frameCameraPlugin;

         

   csm::Model *model = frameCameraPlugin.constructModelFromISD(

         isd,

         "USGS_ASTRO_FRAME_SENSOR_MODEL");

   

   UsgsAstroFrameSensorModel* sensorModel = dynamic_cast<UsgsAstroFrameSensorModel *>(model);

   

   ASSERT_NE(sensorModel, nullptr);

   csm::ImageCoord imagePt(7.5, 6.5);

   csm::EcefCoord groundPt = sensorModel->imageToGround(imagePt, 0.0);

   EXPECT_NEAR(groundPt.x, 9.99803960, 1e-8);

   EXPECT_NEAR(groundPt.y, 0.0, 1e-8);

   EXPECT_NEAR(groundPt.z, 1.98000392, 1e-8);

   

}
 
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