naming fixes
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@ -144,7 +144,7 @@ void Guidance::targetQuatPtgSingleAxis(timeval now, double posSatE[3], double ta
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}
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void Guidance::targetQuatPtgThreeAxes(timeval now, double posSatE[3], double velSatE[3],
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double quatIX[4], double targetSatRotRate[3]) {
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double targetQuat[4], double targetSatRotRate[3]) {
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//-------------------------------------------------------------------------------------
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// Calculation of target quaternion for target pointing
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//-------------------------------------------------------------------------------------
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@ -203,14 +203,14 @@ void Guidance::targetQuatPtgThreeAxes(timeval now, double posSatE[3], double vel
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double dcmIX[3][3] = {{xAxis[0], yAxis[0], zAxis[0]},
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{xAxis[1], yAxis[1], zAxis[1]},
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{xAxis[2], yAxis[2], zAxis[2]}};
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QuaternionOperations::fromDcm(dcmIX, quatIX);
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QuaternionOperations::fromDcm(dcmIX, targetQuat);
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int8_t timeElapsedMax = acsParameters.targetModeControllerParameters.timeElapsedMax;
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targetRotationRate(timeElapsedMax, now, quatIX, targetSatRotRate);
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targetRotationRate(timeElapsedMax, now, targetQuat, targetSatRotRate);
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}
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void Guidance::targetQuatPtgGs(timeval now, double posSatE[3], double sunDirI[3], double quatIX[4],
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double targetSatRotRate[3]) {
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void Guidance::targetQuatPtgGs(timeval now, double posSatE[3], double sunDirI[3],
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double targetQuat[4], double targetSatRotRate[3]) {
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//-------------------------------------------------------------------------------------
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// Calculation of target quaternion for ground station pointing
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//-------------------------------------------------------------------------------------
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@ -266,11 +266,10 @@ void Guidance::targetQuatPtgGs(timeval now, double posSatE[3], double sunDirI[3]
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double dcmTgt[3][3] = {{xAxis[0], yAxis[0], zAxis[0]},
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{xAxis[1], yAxis[1], zAxis[1]},
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{xAxis[2], yAxis[2], zAxis[2]}};
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double quatInertialTarget[4] = {0, 0, 0, 0};
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QuaternionOperations::fromDcm(dcmTgt, quatInertialTarget);
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QuaternionOperations::fromDcm(dcmTgt, targetQuat);
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int8_t timeElapsedMax = acsParameters.gsTargetModeControllerParameters.timeElapsedMax;
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targetRotationRate(timeElapsedMax, now, quatInertialTarget, targetSatRotRate);
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targetRotationRate(timeElapsedMax, now, targetQuat, targetSatRotRate);
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}
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void Guidance::targetQuatPtgSun(double sunDirI[3], double targetQuat[4], double refSatRate[3]) {
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@ -289,7 +288,7 @@ void Guidance::targetQuatPtgSun(double sunDirI[3], double targetQuat[4], double
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VectorOperations<double>::cross(zAxis, helperVec, yAxis);
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VectorOperations<double>::normalize(yAxis, yAxis, 3);
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// construct x-axis from y- and z-axes
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// x-axis completes RHS
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double xAxis[3] = {0, 0, 0};
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VectorOperations<double>::cross(yAxis, zAxis, xAxis);
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VectorOperations<double>::normalize(xAxis, xAxis, 3);
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@ -365,53 +364,49 @@ void Guidance::targetQuatPtgNadirSingleAxis(timeval now, double targetQuat[4],
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refSatRate[2] = 0;
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}
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void Guidance::quatNadirPtgThreeAxes(double posSateE[3], double velSateE[3], timeval now,
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void Guidance::quatNadirPtgThreeAxes(timeval now, double posSatE[3], double velSatE[3],
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double targetQuat[4], double refSatRate[3]) {
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//-------------------------------------------------------------------------------------
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// Calculation of target quaternion for Nadir pointing
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//-------------------------------------------------------------------------------------
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double targetDirE[3] = {0, 0, 0};
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VectorOperations<double>::mulScalar(posSatE, -1, targetDirE, 3);
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// transformation between ECEF and ECI frame
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double dcmEI[3][3] = {{0, 0, 0}, {0, 0, 0}, {0, 0, 0}};
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double dcmIE[3][3] = {{0, 0, 0}, {0, 0, 0}, {0, 0, 0}};
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double dcmEIDot[3][3] = {{0, 0, 0}, {0, 0, 0}, {0, 0, 0}};
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MathOperations<double>::ecfToEciWithNutPre(now, *dcmEI, *dcmEIDot);
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MathOperations<double>::inverseMatrixDimThree(*dcmEI, *dcmIE);
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// Transformation between ECEF and ECI frame
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double dcmEJ[3][3] = {{0, 0, 0}, {0, 0, 0}, {0, 0, 0}};
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double dcmJE[3][3] = {{0, 0, 0}, {0, 0, 0}, {0, 0, 0}};
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double dcmEJDot[3][3] = {{0, 0, 0}, {0, 0, 0}, {0, 0, 0}};
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MathOperations<double>::ecfToEciWithNutPre(now, *dcmEJ, *dcmEJDot);
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MathOperations<double>::inverseMatrixDimThree(*dcmEJ, *dcmJE);
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double dcmIEDot[3][3] = {{0, 0, 0}, {0, 0, 0}, {0, 0, 0}};
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MathOperations<double>::inverseMatrixDimThree(*dcmEIDot, *dcmIEDot);
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double dcmJEDot[3][3] = {{0, 0, 0}, {0, 0, 0}, {0, 0, 0}};
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MathOperations<double>::inverseMatrixDimThree(*dcmEJDot, *dcmJEDot);
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// satellite position in inertial reference frame
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double posSatI[3] = {0, 0, 0};
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MatrixOperations<double>::multiply(*dcmIE, posSatE, posSatI, 3, 3, 1);
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// Target Direction in the body frame
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double targetDirJ[3] = {0, 0, 0};
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MatrixOperations<double>::multiply(*dcmJE, targetDirE, targetDirJ, 3, 3, 1);
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// negative x-Axis aligned with target (Camera position)
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// negative x-axis aligned with position vector
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// this aligns with the camera, E- and S-band antennas
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double xAxis[3] = {0, 0, 0};
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VectorOperations<double>::normalize(targetDirJ, xAxis, 3);
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VectorOperations<double>::normalize(posSatI, xAxis, 3);
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VectorOperations<double>::mulScalar(xAxis, -1, xAxis, 3);
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// z-Axis parallel to long side of picture resolution
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// make z-Axis parallel to major part of camera resolution
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double zAxis[3] = {0, 0, 0};
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std::memcpy(velocityE, gpsDataProcessed->gpsVelocity.value, 3 * sizeof(double));
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double velocityJ[3] = {0, 0, 0}, velPart1[3] = {0, 0, 0}, velPart2[3] = {0, 0, 0};
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MatrixOperations<double>::multiply(*dcmJE, velocityE, velPart1, 3, 3, 1);
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MatrixOperations<double>::multiply(*dcmJEDot, posSatE, velPart2, 3, 3, 1);
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VectorOperations<double>::add(velPart1, velPart2, velocityJ, 3);
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VectorOperations<double>::cross(xAxis, velocityJ, zAxis);
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double velocityI[3] = {0, 0, 0}, velPart1[3] = {0, 0, 0}, velPart2[3] = {0, 0, 0};
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MatrixOperations<double>::multiply(*dcmIE, velSatE, velPart1, 3, 3, 1);
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MatrixOperations<double>::multiply(*dcmIEDot, posSatE, velPart2, 3, 3, 1);
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VectorOperations<double>::add(velPart1, velPart2, velocityI, 3);
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VectorOperations<double>::cross(xAxis, velocityI, zAxis);
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VectorOperations<double>::normalize(zAxis, zAxis, 3);
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// y-Axis completes RHS
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double yAxis[3] = {0, 0, 0};
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VectorOperations<double>::cross(zAxis, xAxis, yAxis);
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// Complete transformation matrix
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// join transformation matrix
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double dcmTgt[3][3] = {{xAxis[0], yAxis[0], zAxis[0]},
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{xAxis[1], yAxis[1], zAxis[1]},
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{xAxis[2], yAxis[2], zAxis[2]}};
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double quatInertialTarget[4] = {0, 0, 0, 0};
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QuaternionOperations::fromDcm(dcmTgt, quatInertialTarget);
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QuaternionOperations::fromDcm(dcmTgt, targetQuat);
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int8_t timeElapsedMax = acsParameters.nadirModeControllerParameters.timeElapsedMax;
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refRotationRate(timeElapsedMax, now, quatInertialTarget, refSatRate);
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