public Camera()
{
cameraToWorld = Matrix4d.Identity;
WorldToCamera = Matrix4d.Identity;
Sensor = new Sensor();
Lens = new ThinLens();
}
public void TestTransferRayOutsideAperture()
{
// ray outside aperture but on the lens plane
ThinLens thinLens = new ThinLens(5, 4);
Vector3d lensPos = new Vector3d(20, 30, 0);
Vector3d objectPos = new Vector3d(1, 2, 5);
Ray expectedRay = new Ray(lensPos, new Vector3d(1, 2, 5));
Ray outgoingRay = thinLens.Transfer(objectPos, lensPos);
Assert.Null(outgoingRay);
}
public void TestTransferRayOutsideAperture()
{
// ray outside aperture but on the lens plane
ThinLens thinLens = new ThinLens(5, 4);
Vector3d lensPos = new Vector3d(20, 30, 0);
Vector3d objectPos = new Vector3d(1, 2, 5);
Ray expectedRay = new Ray(lensPos, new Vector3d(1, 2, 5));
Ray outgoingRay = thinLens.Transfer(objectPos, lensPos);
Assert.Null(outgoingRay);
}
public void TestTransferRayInfiniteImage()
{
// |object.Z| = |f|, so that the image is at infinity in image space
ThinLens thinLens = new ThinLens(5, 4);
Vector3d lensPos = new Vector3d(2, 3, 0);
Vector3d objectPos = new Vector3d(1, 2, 5);
Ray expectedRay = new Ray(lensPos, new Vector3d(1, 2, 5));
Ray outgoingRay = thinLens.Transfer(objectPos, lensPos);
Assert.NotNull(outgoingRay);
Assert.Equal(expectedRay, outgoingRay, rayComparer);
}
public void TestTransferRayInfiniteImage()
{
// |object.Z| = |f|, so that the image is at infinity in image space
ThinLens thinLens = new ThinLens(5, 4);
Vector3d lensPos = new Vector3d(2, 3, 0);
Vector3d objectPos = new Vector3d(1, 2, 5);
Ray expectedRay = new Ray(lensPos, new Vector3d(1, 2, 5));
Ray outgoingRay = thinLens.Transfer(objectPos, lensPos);
Assert.NotNull(outgoingRay);
Assert.Equal(expectedRay, outgoingRay, rayComparer);
}
public void TestTransferRayReverse()
{
// object from image space
// |object.Z| > |f|
// ray within aperture
ThinLens thinLens = new ThinLens(5, 4);
Vector3d lensPos = new Vector3d(2, 3, 0);
Vector3d objectPos = new Vector3d(1, 2, -15);
Ray expectedRay = new Ray(lensPos, new Vector3d(-2.5, -4.0, 7.5));
Ray outgoingRay = thinLens.Transfer(objectPos, lensPos);
Assert.NotNull(outgoingRay);
Assert.Equal(expectedRay, outgoingRay, rayComparer);
}
public void TestTransferRayReverse()
{
// object from image space
// |object.Z| > |f|
// ray within aperture
ThinLens thinLens = new ThinLens(5, 4);
Vector3d lensPos = new Vector3d(2, 3, 0);
Vector3d objectPos = new Vector3d(1, 2, -15);
Ray expectedRay = new Ray(lensPos, new Vector3d(-2.5, -4.0, 7.5));
Ray outgoingRay = thinLens.Transfer(objectPos, lensPos);
Assert.NotNull(outgoingRay);
Assert.Equal(expectedRay, outgoingRay, rayComparer);
}
public void TestTransferRayStraightLensCenter()
{
// object from object space
// |object.Z| > |f|
// ray goes through the lens center
ThinLens thinLens = new ThinLens(5, 4);
Vector3d lensPos = new Vector3d(0, 0, 0);
Vector3d objectPos = new Vector3d(1, 2, 15);
Ray expectedRay = new Ray(lensPos, new Vector3d(-0.5, -1.0, -7.5));
Ray outgoingRay = thinLens.Transfer(objectPos, lensPos);
Assert.NotNull(outgoingRay);
Assert.Equal(expectedRay, outgoingRay, rayComparer);
}
public LightTracer()
{
LightSourcePosition = new Vector3d(0, 0, -20);
Sensor = new Sensor()
{
Shift = new Vector3d(0, 0, 10),
Width = 4,
Tilt = new Vector3d(0, 0, 0)
};
SampleCount = 1000;
ThinLens = new ThinLens(10, 1);
//Lens = ThinLens;
LensWithTwoStops vignettingLens = new LensWithTwoStops()
{
Lens = ThinLens
};
vignettingLens.BackStop.Z = -1;
vignettingLens.FrontStop.Z = 1;
Lens = vignettingLens;
LightIntensity = 0.5f;
}
public void TestTransferRayStraightLensCenter()
{
// object from object space
// |object.Z| > |f|
// ray goes through the lens center
ThinLens thinLens = new ThinLens(5, 4);
Vector3d lensPos = new Vector3d(0, 0, 0);
Vector3d objectPos = new Vector3d(1, 2, 15);
Ray expectedRay = new Ray(lensPos, new Vector3d(-0.5, -1.0, -7.5));
Ray outgoingRay = thinLens.Transfer(objectPos, lensPos);
Assert.NotNull(outgoingRay);
Assert.Equal(expectedRay, outgoingRay, rayComparer);
}
