private void Init()
        {
            var placement      = _model.Get <Axis2Placement3D>(_surface.PointId);
            var cartesianPoint = _model.Get <CartesianPoint>(placement.PointIds[0]);
            var direction      = _model.Get <DirectionPoint>(placement.PointIds[1]);
            var directionX     = _model.Get <DirectionPoint>(placement.PointIds[2]);

            Points = new List <Vector3> {
                cartesianPoint.Vector
            };
            var x  = new Vector3(1, 0, 0);
            var y  = new Vector3(0, 1, 0);
            var ax = Math.Acos(Vector3.Dot(direction.Vector, x) / (direction.Vector.Norm * x.Norm));
            var ay = Math.Acos(Vector3.Dot(direction.Vector, y) / (direction.Vector.Norm * y.Norm));

            var rotationMatrix = Matrix3x3.CreateFromYawPitchRoll((float)(Math.PI / 2 - ax), (float)(Math.PI / 2 - ay), 0);

            for (int i = 0; i < Sides; i++)
            {
                var angle = 360 - (i * 360d / Sides);
                angle = angle * 2 * Math.PI / 360d;
                // calculate point on unit circle and multiply by radius
                var vector = new Vector3((float)Math.Cos(angle), (float)Math.Sin(angle), 0) * (float)_surface.Radius;
                // change normal vector to direction vector
                vector = rotationMatrix * vector;
                // add midpoint position vector
                vector = vector + cartesianPoint.Vector;
                Points.Add(vector);
            }

            Indices = Enumerable.Range(1, Sides).Select(i => new int[] { 0, i, (i % Sides) + 1 }).SelectMany(d => d).ToList();
        }
        public void CreateFromYawPitchRollTest(float yaw, float pitch, float roll)
        {
            float radiansYaw   = (float)(yaw * System.Math.PI / 180);
            float radiansPitch = (float)(pitch * System.Math.PI / 180);
            float radiansRoll  = (float)(roll * System.Math.PI / 180);

            Matrix3x3 matrix = Matrix3x3.CreateFromYawPitchRoll(radiansYaw, radiansPitch, radiansRoll);

            Matrix3x3 xMatrix = Matrix3x3.CreateRotationX(radiansPitch);
            Matrix3x3 yMatrix = Matrix3x3.CreateRotationY(radiansYaw);
            Matrix3x3 zMatrix = Matrix3x3.CreateRotationZ(radiansRoll);

            Matrix3x3 rotationMatrix = (yMatrix * xMatrix) * zMatrix;

            CompareMatrixWithArray(matrix, rotationMatrix.ToArray());
        }
Exemplo n.º 3
0
        private void Init()
        {
            var s         = _model.Get <CartesianPoint>(_line.Point1Id);
            var e         = _model.Get <VectorPoint>(_line.Point2Id);
            var direction = _model.Get <DirectionPoint>(e.PointId);
            var endVector = s.Vector + direction.Vector * (float)e.Length;
            var x         = new Vector3(1, 0, 0);
            var y         = new Vector3(0, 1, 0);
            var ax        = Math.Acos(Vector3.Dot(direction.Vector, x) / (direction.Vector.Norm * x.Norm));
            var ay        = Math.Acos(Vector3.Dot(direction.Vector, y) / (direction.Vector.Norm * y.Norm));

            Points = new List <Vector3> {
                s.Vector
            };
            var rotationMatrix = Matrix3x3.CreateFromYawPitchRoll((float)(Math.PI / 2 - ax), (float)(Math.PI / 2 - ay), 0);

            for (var i = 0; i < Sides; i++)
            {
                var angle = 360 - (i * 360d / Sides);
                angle = angle * 2 * Math.PI / 360d;
                // calculate point on unit circle and multiply by radius
                var vector = new Vector3((float)Math.Cos(angle), (float)Math.Sin(angle), 0) * (float)Thickness / 2;
                // change normal vector to direction vector
                vector = rotationMatrix * vector;
                // add midpoint position vector
                vector = vector + s.Vector;
                Points.Add(vector);
            }
            Points.Add(endVector);

            for (var i = 0; i < Sides; i++)
            {
                var angle = 360 - (i * 360d / Sides);
                angle = angle * 2 * Math.PI / 360d;
                // calculate point on unit circle and multiply by radius
                var vector = new Vector3((float)Math.Cos(angle), (float)Math.Sin(angle), 0) * (float)Thickness / 2;
                // change normal vector to direction vector
                vector = rotationMatrix * vector;
                // add midpoint position vector
                vector = vector + endVector;
                Points.Add(vector);
            }

            Indices = new List <int> {
                0, 1, 2, 0, 2, 3, 0, 3, 4, 0, 4, 1, 5, 6, 7, 5, 7, 8, 5, 8, 9, 5, 9, 6, 1, 6, 7, 7, 2, 1, 2, 7, 8, 8, 3, 2, 3, 8, 9, 9, 4, 3, 4, 9, 6, 6, 1, 4
            };
        }
        public void ExtractYawPitchRollTest(float yaw, float pitch, float roll)
        {
            float radiansYaw   = (float)(yaw * System.Math.PI / 180);
            float radiansPitch = (float)(pitch * System.Math.PI / 180);
            float radiansRoll  = (float)(roll * System.Math.PI / 180);

            Matrix3x3 matrix = Matrix3x3.CreateFromYawPitchRoll(radiansYaw, radiansPitch, radiansRoll);

            float extractedYaw;
            float extractedPitch;
            float extractedRoll;

            matrix.ExtractYawPitchRoll(out extractedYaw, out extractedPitch, out extractedRoll);

            Assert.AreEqual(radiansYaw, extractedYaw, Epsilon);
            Assert.AreEqual(radiansPitch, extractedPitch, Epsilon);
            Assert.AreEqual(radiansRoll, extractedRoll, Epsilon);
        }
Exemplo n.º 5
0
        public winchDirection getForceDirection(winchPosition _winchPosition, PlaneInfoResponse _planeInfoResponse)
        {
            winchDirection _winchDirection = new winchDirection();

            double  globalX           = (_winchPosition.location.Longitude - _planeInfoResponse.Longitude) * Math.Cos(_winchPosition.location.Latitude) * 6378137;
            double  globalY           = _winchPosition.alt - _planeInfoResponse.Altitude;
            double  globalZ           = (_winchPosition.location.Latitude - _planeInfoResponse.Latitude) * 180 / Math.PI * 111694;
            Vector3 globalToWinch     = new Vector3((float)globalX, (float)globalY, (float)globalZ);
            Vector3 globalToWinchNorm = globalToWinch;

            globalToWinchNorm.Normalize();

            _winchDirection.climbAngle = Math.Abs(Math.Asin(globalToWinchNorm.Y));

            Matrix3x3 attitude = Matrix3x3.CreateFromYawPitchRoll((float)_planeInfoResponse.PlaneHeading, (float)_planeInfoResponse.PlanePitch, (float)_planeInfoResponse.PlaneBank);

            _winchDirection.localForceDirection = Matrix3x3.Multiply(attitude.Inverse(), globalToWinchNorm);
            _winchDirection.localForceDirection.Normalize();

            _winchDirection.heading        = Math.Atan2(_winchDirection.localForceDirection.X, _winchDirection.localForceDirection.Z);
            _winchDirection.pitch          = Math.Asin(_winchDirection.localForceDirection.Y);
            _winchDirection.distance       = (double)(globalToWinch.Norm);
            globalToWinch.Y                = 0;
            _winchDirection.groundDistance = (double)(globalToWinch.Norm);

            if (_winchDirection.heading > Math.PI)
            {
                _winchDirection.heading -= 2 * Math.PI;
            }
            if (_winchDirection.heading < -Math.PI)
            {
                _winchDirection.heading += 2 * Math.PI;
            }
            if (_winchDirection.pitch > Math.PI)
            {
                _winchDirection.pitch -= 2 * Math.PI;
            }
            if (_winchDirection.pitch < -Math.PI)
            {
                _winchDirection.pitch += 2 * Math.PI;
            }

            return(_winchDirection);
        }