Some code refactoring
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SiboVG
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@ -1036,14 +1036,83 @@ public abstract class FinSet extends ExternalComponent implements AxialPositiona
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* @return points representing the fin-root points, relative to ( x: fin-front, y: centerline ) i.e. relto: fin Component reference point
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*/
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public Coordinate[] getRootPoints(){
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return getRootPoints(MAX_ROOT_DIVISIONS);
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}
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/**
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* use this for calculating physical properties, and routine drawing
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*
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* @return points representing the fin-root points, relative to ( x: fin-front, y: centerline ) i.e. relto: fin Component reference point
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*/
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public Coordinate[] getMountPoints() {
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if( null == parent){
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return null;
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}
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return getMountPoints(0., parent.getLength(), 0,0);
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}
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/**
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* used to get calculate body profile points:
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*
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* @param xStart - xStart, in Mount-frame
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* @param xEnd - xEnd, in Mount-frame
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* @param xOffset - x-Offset to apply to returned points
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* @param yOffset - y-Offset to apply to returned points
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*
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* @return points representing the mount's points
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*/
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private Coordinate[] getMountPoints(final double xStart, final double xEnd, final double xOffset, final double yOffset,
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final int maximumBodyDivisionCount) {
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if (parent == null) {
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return new Coordinate[]{Coordinate.ZERO};
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}
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final Coordinate finLead = getFinFront();
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final double xFinEnd = finLead.x + getLength();
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// for a simple body, one increment is perfectly accurate.
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int divisionCount = 1;
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final SymmetricComponent body = (SymmetricComponent) getParent();
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final double intervalLength = xEnd - xStart;
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return getMountPoints( finLead.x, xFinEnd, -finLead.x, -finLead.y);
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// for anything more complicated, increase the count:
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if ((body instanceof Transition) && (((Transition)body).getType() != Shape.CONICAL)) {
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// the maximum precision to enforce when calculating the areas of fins (especially on curved parent bodies)
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final double xWidth = 0.0025; // width (in meters) of each individual iteration
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divisionCount = (int) Math.ceil(intervalLength / xWidth);
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// When creating body curves, don't create more than this many divisions. -- only relevant on very large components
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// a too high division count will cause the 3D render to have invisible faces because it can't deal with the geometry.
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divisionCount = Math.min(maximumBodyDivisionCount, divisionCount);
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}
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// Recalculate the x step increment, now with the (rounded) division count.
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double xIncrement = intervalLength / divisionCount;
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// Create the points: step through the radius of the parent
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double xCur = xStart;
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Coordinate[] points = new Coordinate[divisionCount+1];
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for (int index = 0; index < points.length; index++) {
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double yCur = body.getRadius(xCur);
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points[index] = new Coordinate(xCur, yCur);
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xCur += xIncrement;
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}
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// correct last point, if beyond a rounding error from body's end.
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final int lastIndex = points.length - 1;
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if (Math.abs(points[lastIndex].x - body.getLength()) < MathUtil.EPSILON) {
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points[lastIndex] = points[lastIndex].setX(body.getLength()).setY(body.getAftRadius());
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}
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// translate the points if needed
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if ((Math.abs(xOffset) + Math.abs(yOffset)) > MathUtil.EPSILON) {
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points = translatePoints(points, xOffset, yOffset);
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}
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return points;
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}
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private Coordinate[] getMountPoints(final double xStart, final double xEnd, final double xOffset, final double yOffset) {
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return getMountPoints(xStart, xEnd, xOffset, yOffset, MAX_ROOT_DIVISIONS);
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}
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/**
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@ -1155,82 +1224,6 @@ public abstract class FinSet extends ExternalComponent implements AxialPositiona
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return combineCurves(tabPoints, rootPoints.toArray(new Coordinate[0]));
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}
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/**
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* use this for calculating physical properties, and routine drawing
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*
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* @return points representing the fin-root points, relative to ( x: fin-front, y: centerline ) i.e. relto: fin Component reference point
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*/
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public Coordinate[] getMountPoints() {
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if( null == parent){
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return null;
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}
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return getMountPoints(0., parent.getLength(), 0,0);
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}
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/**
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* used to get calculate body profile points:
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*
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* @param xStart - xStart, in Mount-frame
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* @param xEnd - xEnd, in Mount-frame
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* @param xOffset - x-Offset to apply to returned points
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* @param yOffset - y-Offset to apply to returned points
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*
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* @return points representing the mount's points
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*/
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private Coordinate[] getMountPoints(final double xStart, final double xEnd, final double xOffset, final double yOffset,
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final int maximumBodyDivisionCount) {
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if (parent == null) {
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return new Coordinate[]{Coordinate.ZERO};
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}
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// for a simple body, one increment is perfectly accurate.
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int divisionCount = 1;
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final SymmetricComponent body = (SymmetricComponent) getParent();
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final double intervalLength = xEnd - xStart;
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// for anything more complicated, increase the count:
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if ((body instanceof Transition) && (((Transition)body).getType() != Shape.CONICAL)) {
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// the maximum precision to enforce when calculating the areas of fins (especially on curved parent bodies)
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final double xWidth = 0.0025; // width (in meters) of each individual iteration
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divisionCount = (int) Math.ceil(intervalLength / xWidth);
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// When creating body curves, don't create more than this many divisions. -- only relevant on very large components
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// a too high division count will cause the 3D render to have invisible faces because it can't deal with the geometry.
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divisionCount = Math.min(maximumBodyDivisionCount, divisionCount);
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}
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// Recalculate the x step increment, now with the (rounded) division count.
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double xIncrement = intervalLength / divisionCount;
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// Create the points: step through the radius of the parent
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double xCur = xStart;
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Coordinate[] points = new Coordinate[divisionCount+1];
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for (int index = 0; index < points.length; index++) {
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double yCur = body.getRadius(xCur);
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points[index] = new Coordinate(xCur, yCur);
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xCur += xIncrement;
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}
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// correct last point, if beyond a rounding error from body's end.
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final int lastIndex = points.length - 1;
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if (Math.abs(points[lastIndex].x - body.getLength()) < MathUtil.EPSILON) {
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points[lastIndex] = points[lastIndex].setX(body.getLength()).setY(body.getAftRadius());
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}
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// translate the points if needed
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if ((Math.abs(xOffset) + Math.abs(yOffset)) > MathUtil.EPSILON) {
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points = translatePoints(points, xOffset, yOffset);
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}
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return points;
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}
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private Coordinate[] getMountPoints(final double xStart, final double xEnd, final double xOffset, final double yOffset) {
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return getMountPoints(xStart, xEnd, xOffset, yOffset, MAX_ROOT_DIVISIONS);
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}
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@Override
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public double getAngleOffset() {
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