public void setTrajectory(
int numProjectionMatrices,
double sourceToAxisDistance,
double averageAngularIncrement,
double detectorOffsetX,
double detectorOffsetY,
CameraAxisDirection uDirection,
CameraAxisDirection vDirection,
SimpleVector rotationAxis,
PointND rotationCenter,
double angleFirstProjection) {
this.projectionMatrices = new Projection[numProjectionMatrices];
this.primaryAngles = new double[numProjectionMatrices];
this.numProjectionMatrices = numProjectionMatrices;
this.sourceToAxisDistance = sourceToAxisDistance;
this.averageAngularIncrement = averageAngularIncrement;
this.detectorOffsetU = detectorOffsetX;
this.detectorOffsetV = detectorOffsetY;
double cosPhi = Math.cos(General.toRadians(angleFirstProjection));
double sinPhi = Math.sin(General.toRadians(angleFirstProjection));
SimpleMatrix rotMat = new SimpleMatrix(3, 3);
rotMat.setElementValue(0, 0, cosPhi);
rotMat.setElementValue(0, 1, sinPhi);
rotMat.setElementValue(1, 0, -sinPhi);
rotMat.setElementValue(1, 1, cosPhi);
rotMat.setElementValue(2, 2, 1);
SimpleVector centerToCameraIdealAtInitialAngle =
SimpleOperators.multiply(rotMat, new SimpleVector(sourceToAxisDistance, 0, 0));
Plane3D trajPlane =
new Plane3D(
rotationAxis,
SimpleOperators.multiplyInnerProd(rotationAxis, rotationCenter.getAbstractVector()));
double distToPlane = trajPlane.computeDistance(new PointND(centerToCameraIdealAtInitialAngle));
SimpleVector centerToCameraDir =
SimpleOperators.subtract(
SimpleOperators.add(
rotationAxis.multipliedBy(-1 * distToPlane), centerToCameraIdealAtInitialAngle),
rotationCenter.getAbstractVector());
centerToCameraDir.divideBy(centerToCameraDir.normL2());
SimpleVector centerToCameraInitialInPlane =
centerToCameraDir.multipliedBy(sourceToAxisDistance);
for (int i = 0; i < numProjectionMatrices; i++) {
primaryAngles[i] = i * averageAngularIncrement + angleFirstProjection;
// System.out.println(primaryAngles[i] + " " + averageAngularIncrement + " " +
// this.reconDimensions[0] + " " + this.reconDimensions[1]);
projectionMatrices[i] = new Projection();
double rotationAngle = General.toRadians(primaryAngles[i]);
projectionMatrices[i].setRtFromCircularTrajectory(
rotationCenter.getAbstractVector(),
rotationAxis,
sourceToAxisDistance,
centerToCameraInitialInPlane,
uDirection,
vDirection,
rotationAngle);
SimpleVector spacingUV = new SimpleVector(pixelDimensionX, pixelDimensionY);
SimpleVector sizeUV = new SimpleVector(detectorWidth, detectorHeight);
SimpleVector offset = new SimpleVector(detectorOffsetX, detectorOffsetY);
projectionMatrices[i].setKFromDistancesSpacingsSizeOffset(
sourceToDetectorDistance, spacingUV, sizeUV, offset, 1.0, 0);
}
this.projectionStackSize = numProjectionMatrices;
// System.out.println("Defined geometry with SDD " +sourceToDetectorDistance);
}
