Unverified Commit a99be168 authored by K. Williams's avatar K. Williams Committed by GitHub
Browse files

Merge pull request #95 from AstroKEW78/testCameraModel 

Test camera model
parents dd99b900 28b2ee69

tests/FrameCameraTests.cpp

+108 −3
Original line number Diff line number Diff line
@@ -10,6 +10,29 @@ 


using json = nlohmann::json;



class FrameIsdTest : public ::testing::Test {

   protected:



      csm::Isd isd;



   virtual void SetUp() {

      std::ifstream isdFile("data/simpleFramerISD.json");

      json jsonIsd = json::parse(isdFile);

      for (json::iterator it = jsonIsd.begin(); it != jsonIsd.end(); ++it) {

         json jsonValue = it.value();

         if (jsonValue.size() > 1) {

            for (int i = 0; i < jsonValue.size(); i++) {

               isd.addParam(it.key(), jsonValue[i].dump());

            }

         }

         else {

            isd.addParam(it.key(), jsonValue.dump());

         }

      }

      isdFile.close();

   }

};



class FrameSensorModel : public ::testing::Test {

   protected:
@@ -52,8 +75,7 @@ class FrameSensorModel : public ::testing::Test { 
      }

};



//NOTE: The imagePt layour is (Lines,Samples)

//      Also subtract 0.5 from the lines/samples. Hence Samples=0 and Lines=15 -> 14.5,-0.5

//NOTE: The imagePt format is (Lines,Samples)



//centered and slightly off-center:

TEST_F(FrameSensorModel, Center) {
@@ -101,3 +123,86 @@ TEST_F(FrameSensorModel, OffBody4) { 
   EXPECT_NEAR(groundPt.z, -14.99325304, 1e-8);

}





// Focal Length Tests:

TEST_F(FrameIsdTest, FL500_OffBody4) {

   std::string key = "focal_length";

   std::string newValue = "500.0";

   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(15.0, 15.0);

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

   EXPECT_NEAR(groundPt.x, 9.77688917, 1e-8);

   EXPECT_NEAR(groundPt.y, -1.48533467, 1e-8);

   EXPECT_NEAR(groundPt.z, -1.48533467, 1e-8);

}

TEST_F(FrameIsdTest, FL500_OffBody3) {

   std::string key = "focal_length";

   std::string newValue = "500.0";

   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(0.0, 0.0);

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

   EXPECT_NEAR(groundPt.x, 9.77688917, 1e-8);

   EXPECT_NEAR(groundPt.y, 1.48533467, 1e-8);

   EXPECT_NEAR(groundPt.z, 1.48533467, 1e-8);

}

TEST_F(FrameIsdTest, FL500_Center) {

   std::string key = "focal_length";

   std::string newValue = "500.0";

   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, 10.0, 1e-8);

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

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

}

TEST_F(FrameIsdTest, FL500_SlightlyOffCenter) {

   std::string key = "focal_length";

   std::string newValue = "500.0";

   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, 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, 1.98000392e-01, 1e-8);

   

}
 
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