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/*
 * Copyright (c) 2023. Manuel Daniel Dahmen
 *
 *
 *    Copyright 2012-2023 Manuel Daniel Dahmen
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

/*__
 * *
 * Global license : * GNU GPL v3
 * 

* author Manuel Dahmen [email protected]_ *

* Creation time 2015-03-25 *

* * */ package one.empty3.library.core.tribase; import one.empty3.library.Point3D; import one.empty3.library.StructureMatrix; import one.empty3.library.core.nurbs.CourbeParametriquePolynomialeBezier; import one.empty3.library.core.nurbs.FctXY; import one.empty3.library.core.nurbs.ParametricCurve; import one.empty3.library.core.nurbs.ParametricSurface; import java.util.logging.Level; import java.util.logging.Logger; public class Tubulaire3 extends ParametricSurface { public double TAN_FCT_INCR = 0.000001; public double NORM_FCT_INCR = 0.000001; protected StructureMatrix soulCurve = new StructureMatrix<>(0, CourbeParametriquePolynomialeBezier.class); protected StructureMatrix diameterFunction = new StructureMatrix<>(0, FctXY.class); protected Point3D lastNorm; protected Point3D lastTan = Point3D.Z; Point3D[][] vecteurs = new Point3D[3][3]; { for (int i = 0; i < 3; i++) for (int j = 0; j < 3; j++) { vecteurs[i][j] = new Point3D(0., 0., 0.); for (int k = 0; k < 3; k++) vecteurs[i][j].set(j, k == i ? 1. : 0.); } } public Tubulaire3() { super(); soulCurve.setElem(new CourbeParametriquePolynomialeBezier()); diameterFunction.setElem(new FctXY()); declareProperties(); this.quad_not_computed = 0;//QUAD_NOT_COMPUTE_U2|QUAD_NOT_COMPUTE_V2; } public Tubulaire3(ParametricCurve lineSegment, double rayonMembres) { this(); this.soulCurve.getElem().getCoefficients().setElem(lineSegment.calculerPoint3D(0.0), 0); this.soulCurve.getElem().getCoefficients().setElem(lineSegment.calculerPoint3D(1.0), 1); FctXY fctXY = new FctXY(); fctXY.setFormulaX("" + rayonMembres); this.diameterFunction.setElem(fctXY); this.quad_not_computed = QUAD_NOT_COMPUTE_U2|QUAD_NOT_COMPUTE_V2; } public Point3D calculerNormale(double t) { return calculerTangente(t + NORM_FCT_INCR).moins(calculerTangente(t)).mult(1.0 / NORM_FCT_INCR); } public Point3D calculerTangente(double t) { return soulCurve.getElem().calculerPoint3D(t + TAN_FCT_INCR).moins( soulCurve.getElem().calculerPoint3D(t)).mult(1.0 / TAN_FCT_INCR); } public void nbrAnneaux(int n) { setIncrU(1.0 / n); } public void nbrRotations(int r) { setIncrV(1.0 / r); } @Override public String toString() { String s = "tubulaire3 (\n\t(" + soulCurve.getElem().toString(); s += "\n\n)\n\t" + diameterFunction.toString() + "\n\t" + texture().toString() + "\n)\n"; return s; } private Point3D calculerTangenteUpart(double u, double v) { return soulCurve.data0d.calculerTangente(u); } private Object calculerTangenteVpart(double u, double v) { return calculerTangenteUpart(u, v).prodVect(calculerTangenteUpart(u + TAN_FCT_INCR, v)).norme1();//????? } public Point3D[] vectPerp(double t, double v) { int j = -1; double min = Double.POSITIVE_INFINITY; double minI = Double.POSITIVE_INFINITY; // TODO for (int i = 0; i < 3; i++) { Point3D tangente = calculerTangente(t); if (tangente.equals(Point3D.O0) || tangente.isAnyNaN()) { //TODO tangente = lastTan == null ? Point3D.X : lastTan; } else { lastTan = tangente; } Point3D[] refs = new Point3D[3]; refs[0] = new Point3D(0d, 0d, 1d); refs[1] = new Point3D(1d, 0d, 0d); refs[2] = new Point3D(0d, 1d, 0d); tangente = tangente.norme1(); Point3D px; Point3D normal; //normal = lastNorm; Point3D tangente1 = tangente; Point3D tangente2 = tangente.prodVect(refs[i]); normal = tangente1.prodVect(tangente2); if (normal != null) { if (Math.abs(normal.prodScalaire(tangente)) >= 0.00001) { normal = calculerNormale(t); if (normal.equals(Point3D.O0) || normal.isAnyNaN() || normal.norme() < 0.8) { normal = tangente.prodVect(refs[i]);//TODO .prodVect(refs[i])).norme1(); } } } else { normal = lastNorm; } if (!normal.equals(Point3D.O0) && !normal.isAnyNaN() && !(normal.norme() < 0.8)) { lastNorm = normal; } normal = normal.norme1(); px = tangente.prodVect(normal);//TODO .prodVect(refs[i])).norme1(); Point3D py = tangente.prodVect(px).norme1(); vecteurs[i][0] = tangente.norme1(); vecteurs[i][1] = px.norme1(); vecteurs[i][2] = py.norme1(); minI = (px.prodVect(py).norme() - 1.0) * (px.prodVect(py).norme() - 1.0); if (minI < min) { min = minI; j = i; } } if (j == -1) { Logger.getAnonymousLogger().log(Level.INFO, "Error j==-1"); j = 0; } return vecteurs[j]; } @Override public Point3D calculerPoint3D(double v, double u) { if (level == 0 && quad_not_computed > 0) { super.calculerPoint3D(v, u); } Point3D[] vectPerp = vectPerp(u, v); /* if(v==0) { vectPerp1 = vectPerp(u, v); vectPerp = vectPerp(u, v); } else { vectPerp1 = vectPerp(u, v); Matrix33 matrix33 = new Matrix33(vectPerp); double angle = Math.acos(vectPerp[0].prodScalaire(vectPerp1[0])/(vectPerp[0].norme()*vectPerp1[0].norme())); Matrix33 mult = matrix33.mult(new Matrix33(new Point3D[]{Point3D.X, Point3D.Y, vectPerp[0]})); vectPerp = mult.getColVectors(); } */ return soulCurve.getElem().calculerPoint3D(u).plus( vectPerp[1].mult(diameterFunction.getElem().result(u) * Math.cos(2 * Math.PI * v))).plus( vectPerp[2].mult(diameterFunction.getElem().result(u) * Math.sin(2 * Math.PI * v))); } @Override public void declareProperties() { super.declareProperties(); soulCurve.getElem().declareProperties(); diameterFunction.getElem().declareProperties(); getDeclaredDataStructure().put("soulCurve/ame de la courbe", soulCurve); getDeclaredDataStructure().put("diameterFunction/ fonction de la longueur du diamètre", diameterFunction); } public StructureMatrix getSoulCurve() { return soulCurve; } public StructureMatrix getDiameterFunction() { return diameterFunction; } }





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