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744 lines
21 KiB
744 lines
21 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkHexahedron.cxx,v $
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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#include "vtkHexahedron.h"
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#include "vtkCellArray.h"
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#include "vtkCellData.h"
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#include "vtkLine.h"
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#include "vtkMath.h"
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#include "vtkObjectFactory.h"
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#include "vtkPointData.h"
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#include "vtkPointLocator.h"
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#include "vtkPoints.h"
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#include "vtkQuad.h"
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vtkCxxRevisionMacro(vtkHexahedron, "$Revision: 1.4 $");
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vtkStandardNewMacro(vtkHexahedron);
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static const double VTK_DIVERGED = 1.e6;
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//----------------------------------------------------------------------------
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// Construct the hexahedron with eight points.
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vtkHexahedron::vtkHexahedron()
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{
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this->Points->SetNumberOfPoints(8);
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this->PointIds->SetNumberOfIds(8);
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for (int i = 0; i < 8; i++)
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{
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this->Points->SetPoint(i, 0.0, 0.0, 0.0);
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this->PointIds->SetId(i,0);
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}
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this->Line = vtkLine::New();
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this->Quad = vtkQuad::New();
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}
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//----------------------------------------------------------------------------
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vtkHexahedron::~vtkHexahedron()
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{
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this->Line->Delete();
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this->Quad->Delete();
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}
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//----------------------------------------------------------------------------
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// Method to calculate parametric coordinates in an eight noded
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// linear hexahedron element from global coordinates.
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//
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static const int VTK_HEX_MAX_ITERATION=10;
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static const double VTK_HEX_CONVERGED=1.e-03;
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int vtkHexahedron::EvaluatePosition(double x[3], double* closestPoint,
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int& subId, double pcoords[3],
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double& dist2, double *weights)
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{
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int iteration, converged;
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double params[3];
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double fcol[3], rcol[3], scol[3], tcol[3];
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int i, j;
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double d, pt[3];
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double derivs[24];
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// set initial position for Newton's method
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subId = 0;
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pcoords[0] = pcoords[1] = pcoords[2] = params[0] = params[1] = params[2]=0.5;
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// enter iteration loop
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for (iteration=converged=0;
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!converged && (iteration < VTK_HEX_MAX_ITERATION); iteration++)
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{
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// calculate element interpolation functions and derivatives
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this->InterpolationFunctions(pcoords, weights);
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this->InterpolationDerivs(pcoords, derivs);
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// calculate newton functions
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for (i=0; i<3; i++)
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{
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fcol[i] = rcol[i] = scol[i] = tcol[i] = 0.0;
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}
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for (i=0; i<8; i++)
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{
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this->Points->GetPoint(i, pt);
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for (j=0; j<3; j++)
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{
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fcol[j] += pt[j] * weights[i];
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rcol[j] += pt[j] * derivs[i];
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scol[j] += pt[j] * derivs[i+8];
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tcol[j] += pt[j] * derivs[i+16];
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}
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}
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for (i=0; i<3; i++)
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{
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fcol[i] -= x[i];
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}
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// compute determinants and generate improvements
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d=vtkMath::Determinant3x3(rcol,scol,tcol);
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if ( fabs(d) < 1.e-20)
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{
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return -1;
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}
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pcoords[0] = params[0] - vtkMath::Determinant3x3 (fcol,scol,tcol) / d;
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pcoords[1] = params[1] - vtkMath::Determinant3x3 (rcol,fcol,tcol) / d;
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pcoords[2] = params[2] - vtkMath::Determinant3x3 (rcol,scol,fcol) / d;
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// check for convergence
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if ( ((fabs(pcoords[0]-params[0])) < VTK_HEX_CONVERGED) &&
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((fabs(pcoords[1]-params[1])) < VTK_HEX_CONVERGED) &&
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((fabs(pcoords[2]-params[2])) < VTK_HEX_CONVERGED) )
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{
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converged = 1;
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}
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// Test for bad divergence (S.Hirschberg 11.12.2001)
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else if ((fabs(pcoords[0]) > VTK_DIVERGED) ||
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(fabs(pcoords[1]) > VTK_DIVERGED) ||
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(fabs(pcoords[2]) > VTK_DIVERGED))
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{
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return -1;
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}
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// if not converged, repeat
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else
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{
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params[0] = pcoords[0];
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params[1] = pcoords[1];
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params[2] = pcoords[2];
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}
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}
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// if not converged, set the parametric coordinates to arbitrary values
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// outside of element
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if ( !converged )
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{
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return -1;
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}
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this->InterpolationFunctions(pcoords, weights);
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if ( pcoords[0] >= -0.001 && pcoords[0] <= 1.001 &&
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pcoords[1] >= -0.001 && pcoords[1] <= 1.001 &&
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pcoords[2] >= -0.001 && pcoords[2] <= 1.001 )
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{
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if (closestPoint)
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{
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closestPoint[0] = x[0]; closestPoint[1] = x[1]; closestPoint[2] = x[2];
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dist2 = 0.0; //inside hexahedron
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}
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return 1;
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}
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else
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{
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double pc[3], w[8];
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if (closestPoint)
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{
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for (i=0; i<3; i++) //only approximate, not really true for warped hexa
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{
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if (pcoords[i] < 0.0)
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{
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pc[i] = 0.0;
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}
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else if (pcoords[i] > 1.0)
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{
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pc[i] = 1.0;
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}
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else
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{
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pc[i] = pcoords[i];
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}
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}
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this->EvaluateLocation(subId, pc, closestPoint, (double *)w);
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dist2 = vtkMath::Distance2BetweenPoints(closestPoint,x);
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}
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return 0;
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}
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}
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//----------------------------------------------------------------------------
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// Compute iso-parametric interpolation functions
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//
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void vtkHexahedron::InterpolationFunctions(double pcoords[3], double sf[8])
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{
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double rm, sm, tm;
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rm = 1. - pcoords[0];
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sm = 1. - pcoords[1];
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tm = 1. - pcoords[2];
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sf[0] = rm*sm*tm;
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sf[1] = pcoords[0]*sm*tm;
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sf[2] = pcoords[0]*pcoords[1]*tm;
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sf[3] = rm*pcoords[1]*tm;
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sf[4] = rm*sm*pcoords[2];
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sf[5] = pcoords[0]*sm*pcoords[2];
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sf[6] = pcoords[0]*pcoords[1]*pcoords[2];
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sf[7] = rm*pcoords[1]*pcoords[2];
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}
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//----------------------------------------------------------------------------
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void vtkHexahedron::InterpolationDerivs(double pcoords[3], double derivs[24])
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{
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double rm, sm, tm;
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rm = 1. - pcoords[0];
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sm = 1. - pcoords[1];
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tm = 1. - pcoords[2];
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// r-derivatives
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derivs[0] = -sm*tm;
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derivs[1] = sm*tm;
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derivs[2] = pcoords[1]*tm;
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derivs[3] = -pcoords[1]*tm;
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derivs[4] = -sm*pcoords[2];
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derivs[5] = sm*pcoords[2];
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derivs[6] = pcoords[1]*pcoords[2];
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derivs[7] = -pcoords[1]*pcoords[2];
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// s-derivatives
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derivs[8] = -rm*tm;
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derivs[9] = -pcoords[0]*tm;
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derivs[10] = pcoords[0]*tm;
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derivs[11] = rm*tm;
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derivs[12] = -rm*pcoords[2];
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derivs[13] = -pcoords[0]*pcoords[2];
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derivs[14] = pcoords[0]*pcoords[2];
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derivs[15] = rm*pcoords[2];
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// t-derivatives
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derivs[16] = -rm*sm;
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derivs[17] = -pcoords[0]*sm;
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derivs[18] = -pcoords[0]*pcoords[1];
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derivs[19] = -rm*pcoords[1];
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derivs[20] = rm*sm;
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derivs[21] = pcoords[0]*sm;
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derivs[22] = pcoords[0]*pcoords[1];
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derivs[23] = rm*pcoords[1];
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}
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//----------------------------------------------------------------------------
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void vtkHexahedron::EvaluateLocation(int& vtkNotUsed(subId), double pcoords[3],
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double x[3], double *weights)
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{
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int i, j;
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double pt[3];
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this->InterpolationFunctions(pcoords, weights);
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x[0] = x[1] = x[2] = 0.0;
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for (i=0; i<8; i++)
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{
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this->Points->GetPoint(i, pt);
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for (j=0; j<3; j++)
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{
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x[j] += pt[j] * weights[i];
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}
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}
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}
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//----------------------------------------------------------------------------
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int vtkHexahedron::CellBoundary(int vtkNotUsed(subId), double pcoords[3],
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vtkIdList *pts)
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{
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double t1=pcoords[0]-pcoords[1];
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double t2=1.0-pcoords[0]-pcoords[1];
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double t3=pcoords[1]-pcoords[2];
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double t4=1.0-pcoords[1]-pcoords[2];
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double t5=pcoords[2]-pcoords[0];
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double t6=1.0-pcoords[2]-pcoords[0];
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pts->SetNumberOfIds(4);
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// compare against six planes in parametric space that divide element
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// into six pieces.
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if ( t3 >= 0.0 && t4 >= 0.0 && t5 < 0.0 && t6 >= 0.0 )
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{
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pts->SetId(0,this->PointIds->GetId(0));
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pts->SetId(1,this->PointIds->GetId(1));
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pts->SetId(2,this->PointIds->GetId(2));
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pts->SetId(3,this->PointIds->GetId(3));
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}
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else if ( t1 >= 0.0 && t2 < 0.0 && t5 < 0.0 && t6 < 0.0 )
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{
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pts->SetId(0,this->PointIds->GetId(1));
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pts->SetId(1,this->PointIds->GetId(2));
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pts->SetId(2,this->PointIds->GetId(6));
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pts->SetId(3,this->PointIds->GetId(5));
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}
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else if ( t1 >= 0.0 && t2 >= 0.0 && t3 < 0.0 && t4 >= 0.0 )
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{
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pts->SetId(0,this->PointIds->GetId(0));
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pts->SetId(1,this->PointIds->GetId(1));
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pts->SetId(2,this->PointIds->GetId(5));
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pts->SetId(3,this->PointIds->GetId(4));
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}
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else if ( t3 < 0.0 && t4 < 0.0 && t5 >= 0.0 && t6 < 0.0 )
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{
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pts->SetId(0,this->PointIds->GetId(4));
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pts->SetId(1,this->PointIds->GetId(5));
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pts->SetId(2,this->PointIds->GetId(6));
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pts->SetId(3,this->PointIds->GetId(7));
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}
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else if ( t1 < 0.0 && t2 >= 0.0 && t5 >= 0.0 && t6 >= 0.0 )
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{
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pts->SetId(0,this->PointIds->GetId(0));
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pts->SetId(1,this->PointIds->GetId(4));
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pts->SetId(2,this->PointIds->GetId(7));
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pts->SetId(3,this->PointIds->GetId(3));
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}
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else // if ( t1 < 0.0 && t2 < 0.0 && t3 >= 0.0 && t6 < 0.0 )
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{
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pts->SetId(0,this->PointIds->GetId(2));
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pts->SetId(1,this->PointIds->GetId(3));
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pts->SetId(2,this->PointIds->GetId(7));
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pts->SetId(3,this->PointIds->GetId(6));
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}
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if ( pcoords[0] < 0.0 || pcoords[0] > 1.0 ||
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pcoords[1] < 0.0 || pcoords[1] > 1.0 ||
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pcoords[2] < 0.0 || pcoords[2] > 1.0 )
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{
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return 0;
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}
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else
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{
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return 1;
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}
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}
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//----------------------------------------------------------------------------
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static int edges[12][2] = { {0,1}, {1,2}, {3,2}, {0,3},
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{4,5}, {5,6}, {7,6}, {4,7},
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{0,4}, {1,5}, {3,7}, {2,6}};
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static int faces[6][4] = { {0,4,7,3}, {1,2,6,5},
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{0,1,5,4}, {3,7,6,2},
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{0,3,2,1}, {4,5,6,7} };
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// Marching cubes case table
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//
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#include "vtkMarchingCubesCases.h"
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void vtkHexahedron::Contour(double value, vtkDataArray *cellScalars,
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vtkPointLocator *locator,
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vtkCellArray *verts,
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vtkCellArray *lines,
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vtkCellArray *polys,
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vtkPointData *inPd, vtkPointData *outPd,
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vtkCellData *inCd, vtkIdType cellId,
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vtkCellData *outCd)
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{
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static int CASE_MASK[8] = {1,2,4,8,16,32,64,128};
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vtkMarchingCubesTriangleCases *triCase;
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EDGE_LIST *edge;
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int i, j, index, *vert;
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int v1, v2, newCellId;
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vtkIdType pts[3];
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double t, x1[3], x2[3], x[3], deltaScalar;
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vtkIdType offset = verts->GetNumberOfCells() + lines->GetNumberOfCells();
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// Build the case table
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for ( i=0, index = 0; i < 8; i++)
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{
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if (cellScalars->GetComponent(i,0) >= value)
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{
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index |= CASE_MASK[i];
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}
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}
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triCase = vtkMarchingCubesTriangleCases::GetCases() + index;
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edge = triCase->edges;
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for ( ; edge[0] > -1; edge += 3 )
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{
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for (i=0; i<3; i++) // insert triangle
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{
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vert = edges[edge[i]];
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// calculate a preferred interpolation direction
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deltaScalar = (cellScalars->GetComponent(vert[1],0)
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- cellScalars->GetComponent(vert[0],0));
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if (deltaScalar > 0)
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{
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v1 = vert[0]; v2 = vert[1];
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}
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else
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{
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v1 = vert[1]; v2 = vert[0];
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deltaScalar = -deltaScalar;
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}
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// linear interpolation
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t = ( deltaScalar == 0.0 ? 0.0 :
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(value - cellScalars->GetComponent(v1,0)) / deltaScalar );
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this->Points->GetPoint(v1, x1);
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this->Points->GetPoint(v2, x2);
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for (j=0; j<3; j++)
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{
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x[j] = x1[j] + t * (x2[j] - x1[j]);
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}
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if ( locator->InsertUniquePoint(x, pts[i]) )
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{
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if ( outPd )
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{
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vtkIdType p1 = this->PointIds->GetId(v1);
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vtkIdType p2 = this->PointIds->GetId(v2);
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outPd->InterpolateEdge(inPd,pts[i],p1,p2,t);
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}
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}
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}
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// check for degenerate triangle
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if ( pts[0] != pts[1] && pts[0] != pts[2] && pts[1] != pts[2] )
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{
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newCellId = offset + polys->InsertNextCell(3,pts);
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outCd->CopyData(inCd,cellId,newCellId);
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}
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}
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}
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//----------------------------------------------------------------------------
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int *vtkHexahedron::GetEdgeArray(int edgeId)
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{
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return edges[edgeId];
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}
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//----------------------------------------------------------------------------
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vtkCell *vtkHexahedron::GetEdge(int edgeId)
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{
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int *verts;
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verts = edges[edgeId];
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// load point id's
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this->Line->PointIds->SetId(0,this->PointIds->GetId(verts[0]));
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this->Line->PointIds->SetId(1,this->PointIds->GetId(verts[1]));
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// load coordinates
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this->Line->Points->SetPoint(0,this->Points->GetPoint(verts[0]));
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this->Line->Points->SetPoint(1,this->Points->GetPoint(verts[1]));
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return this->Line;
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}
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//----------------------------------------------------------------------------
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int *vtkHexahedron::GetFaceArray(int faceId)
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{
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return faces[faceId];
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}
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//----------------------------------------------------------------------------
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vtkCell *vtkHexahedron::GetFace(int faceId)
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{
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int *verts, i;
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verts = faces[faceId];
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for (i=0; i<4; i++)
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{
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this->Quad->PointIds->SetId(i,this->PointIds->GetId(verts[i]));
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this->Quad->Points->SetPoint(i,this->Points->GetPoint(verts[i]));
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}
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return this->Quad;
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}
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//----------------------------------------------------------------------------
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//
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// Intersect hexa faces against line. Each hexa face is a quadrilateral.
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//
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int vtkHexahedron::IntersectWithLine(double p1[3], double p2[3], double tol,
|
|
double &t, double x[3], double pcoords[3],
|
|
int& subId)
|
|
{
|
|
int intersection=0;
|
|
double pt1[3], pt2[3], pt3[3], pt4[3];
|
|
double tTemp;
|
|
double pc[3], xTemp[3];
|
|
int faceNum;
|
|
|
|
t = VTK_DOUBLE_MAX;
|
|
for (faceNum=0; faceNum<6; faceNum++)
|
|
{
|
|
this->Points->GetPoint(faces[faceNum][0], pt1);
|
|
this->Points->GetPoint(faces[faceNum][1], pt2);
|
|
this->Points->GetPoint(faces[faceNum][2], pt3);
|
|
this->Points->GetPoint(faces[faceNum][3], pt4);
|
|
|
|
this->Quad->Points->SetPoint(0,pt1);
|
|
this->Quad->Points->SetPoint(1,pt2);
|
|
this->Quad->Points->SetPoint(2,pt3);
|
|
this->Quad->Points->SetPoint(3,pt4);
|
|
|
|
if ( this->Quad->IntersectWithLine(p1, p2, tol, tTemp, xTemp, pc, subId) )
|
|
{
|
|
intersection = 1;
|
|
if ( tTemp < t )
|
|
{
|
|
t = tTemp;
|
|
x[0] = xTemp[0]; x[1] = xTemp[1]; x[2] = xTemp[2];
|
|
switch (faceNum)
|
|
{
|
|
case 0:
|
|
pcoords[0] = 0.0; pcoords[0] = pc[0]; pcoords[1] = 0.0;
|
|
break;
|
|
|
|
case 1:
|
|
pcoords[0] = 1.0; pcoords[0] = pc[0]; pcoords[1] = 0.0;
|
|
break;
|
|
|
|
case 2:
|
|
pcoords[0] = pc[0]; pcoords[1] = 0.0; pcoords[2] = pc[1];
|
|
break;
|
|
|
|
case 3:
|
|
pcoords[0] = pc[0]; pcoords[1] = 1.0; pcoords[2] = pc[1];
|
|
break;
|
|
|
|
case 4:
|
|
pcoords[0] = pc[0]; pcoords[1] = pc[1]; pcoords[2] = 0.0;
|
|
break;
|
|
|
|
case 5:
|
|
pcoords[0] = pc[0]; pcoords[1] = pc[1]; pcoords[2] = 1.0;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return intersection;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
int vtkHexahedron::Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts)
|
|
{
|
|
int p[4], i;
|
|
|
|
ptIds->Reset();
|
|
pts->Reset();
|
|
|
|
// Create five tetrahedron. Triangulation varies depending upon index. This
|
|
// is necessary to insure compatible voxel triangulations.
|
|
if ( (index % 2) )
|
|
{
|
|
p[0] = 0; p[1] = 1; p[2] = 3; p[3] = 4;
|
|
for ( i=0; i < 4; i++ )
|
|
{
|
|
ptIds->InsertNextId(this->PointIds->GetId(p[i]));
|
|
pts->InsertNextPoint(this->Points->GetPoint(p[i]));
|
|
}
|
|
|
|
p[0] = 1; p[1] = 4; p[2] = 5; p[3] = 6;
|
|
for ( i=0; i < 4; i++ )
|
|
{
|
|
ptIds->InsertNextId(this->PointIds->GetId(p[i]));
|
|
pts->InsertNextPoint(this->Points->GetPoint(p[i]));
|
|
}
|
|
|
|
p[0] = 1; p[1] = 4; p[2] = 6; p[3] = 3;
|
|
for ( i=0; i < 4; i++ )
|
|
{
|
|
ptIds->InsertNextId(this->PointIds->GetId(p[i]));
|
|
pts->InsertNextPoint(this->Points->GetPoint(p[i]));
|
|
}
|
|
|
|
p[0] = 1; p[1] = 3; p[2] = 6; p[3] = 2;
|
|
for ( i=0; i < 4; i++ )
|
|
{
|
|
ptIds->InsertNextId(this->PointIds->GetId(p[i]));
|
|
pts->InsertNextPoint(this->Points->GetPoint(p[i]));
|
|
}
|
|
|
|
p[0] = 3; p[1] = 6; p[2] = 7; p[3] = 4;
|
|
for ( i=0; i < 4; i++ )
|
|
{
|
|
ptIds->InsertNextId(this->PointIds->GetId(p[i]));
|
|
pts->InsertNextPoint(this->Points->GetPoint(p[i]));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
p[0] = 2; p[1] = 1; p[2] = 5; p[3] = 0;
|
|
for ( i=0; i < 4; i++ )
|
|
{
|
|
ptIds->InsertNextId(this->PointIds->GetId(p[i]));
|
|
pts->InsertNextPoint(this->Points->GetPoint(p[i]));
|
|
}
|
|
|
|
p[0] = 0; p[1] = 2; p[2] = 3; p[3] = 7;
|
|
for ( i=0; i < 4; i++ )
|
|
{
|
|
ptIds->InsertNextId(this->PointIds->GetId(p[i]));
|
|
pts->InsertNextPoint(this->Points->GetPoint(p[i]));
|
|
}
|
|
|
|
p[0] = 2; p[1] = 5; p[2] = 6; p[3] = 7;
|
|
for ( i=0; i < 4; i++ )
|
|
{
|
|
ptIds->InsertNextId(this->PointIds->GetId(p[i]));
|
|
pts->InsertNextPoint(this->Points->GetPoint(p[i]));
|
|
}
|
|
|
|
p[0] = 0; p[1] = 7; p[2] = 4; p[3] = 5;
|
|
for ( i=0; i < 4; i++ )
|
|
{
|
|
ptIds->InsertNextId(this->PointIds->GetId(p[i]));
|
|
pts->InsertNextPoint(this->Points->GetPoint(p[i]));
|
|
}
|
|
|
|
p[0] = 0; p[1] = 2; p[2] = 7; p[3] = 5;
|
|
for ( i=0; i < 4; i++ )
|
|
{
|
|
ptIds->InsertNextId(this->PointIds->GetId(p[i]));
|
|
pts->InsertNextPoint(this->Points->GetPoint(p[i]));
|
|
}
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
// Compute derivatives in x-y-z directions. Use chain rule in combination
|
|
// with interpolation function derivatives.
|
|
//
|
|
void vtkHexahedron::Derivatives(int vtkNotUsed(subId), double pcoords[3],
|
|
double *values, int dim, double *derivs)
|
|
{
|
|
double *jI[3], j0[3], j1[3], j2[3];
|
|
double functionDerivs[24], sum[3];
|
|
int i, j, k;
|
|
|
|
// compute inverse Jacobian and interpolation function derivatives
|
|
jI[0] = j0; jI[1] = j1; jI[2] = j2;
|
|
this->JacobianInverse(pcoords, jI, functionDerivs);
|
|
|
|
// now compute derivates of values provided
|
|
for (k=0; k < dim; k++) //loop over values per vertex
|
|
{
|
|
sum[0] = sum[1] = sum[2] = 0.0;
|
|
for ( i=0; i < 8; i++) //loop over interp. function derivatives
|
|
{
|
|
sum[0] += functionDerivs[i] * values[dim*i + k];
|
|
sum[1] += functionDerivs[8 + i] * values[dim*i + k];
|
|
sum[2] += functionDerivs[16 + i] * values[dim*i + k];
|
|
}
|
|
for (j=0; j < 3; j++) //loop over derivative directions
|
|
{
|
|
derivs[3*k + j] = sum[0]*jI[j][0] + sum[1]*jI[j][1] + sum[2]*jI[j][2];
|
|
}
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
// Given parametric coordinates compute inverse Jacobian transformation
|
|
// matrix. Returns 9 elements of 3x3 inverse Jacobian plus interpolation
|
|
// function derivatives.
|
|
void vtkHexahedron::JacobianInverse(double pcoords[3], double **inverse,
|
|
double derivs[24])
|
|
{
|
|
int i, j;
|
|
double *m[3], m0[3], m1[3], m2[3];
|
|
double x[3];
|
|
|
|
// compute interpolation function derivatives
|
|
this->InterpolationDerivs(pcoords, derivs);
|
|
|
|
// create Jacobian matrix
|
|
m[0] = m0; m[1] = m1; m[2] = m2;
|
|
for (i=0; i < 3; i++) //initialize matrix
|
|
{
|
|
m0[i] = m1[i] = m2[i] = 0.0;
|
|
}
|
|
|
|
for ( j=0; j < 8; j++ )
|
|
{
|
|
this->Points->GetPoint(j, x);
|
|
for ( i=0; i < 3; i++ )
|
|
{
|
|
m0[i] += x[i] * derivs[j];
|
|
m1[i] += x[i] * derivs[8 + j];
|
|
m2[i] += x[i] * derivs[16 + j];
|
|
}
|
|
}
|
|
|
|
// now find the inverse
|
|
if ( vtkMath::InvertMatrix(m,inverse,3) == 0 )
|
|
{
|
|
vtkErrorMacro(<<"Jacobian inverse not found");
|
|
return;
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void vtkHexahedron::GetEdgePoints(int edgeId, int* &pts)
|
|
{
|
|
pts = this->GetEdgeArray(edgeId);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void vtkHexahedron::GetFacePoints(int faceId, int* &pts)
|
|
{
|
|
pts = this->GetFaceArray(faceId);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
static double vtkHexahedronCellPCoords[24] = {0.0,0.0,0.0, 1.0,0.0,0.0,
|
|
1.0,1.0,0.0, 0.0,1.0,0.0,
|
|
0.0,0.0,1.0, 1.0,0.0,1.0,
|
|
1.0,1.0,1.0, 0.0,1.0,1.0};
|
|
|
|
double *vtkHexahedron::GetParametricCoords()
|
|
{
|
|
return vtkHexahedronCellPCoords;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void vtkHexahedron::PrintSelf(ostream& os, vtkIndent indent)
|
|
{
|
|
this->Superclass::PrintSelf(os,indent);
|
|
|
|
os << indent << "Line:\n";
|
|
this->Line->PrintSelf(os,indent.GetNextIndent());
|
|
os << indent << "Quad:\n";
|
|
this->Quad->PrintSelf(os,indent.GetNextIndent());
|
|
}
|
|
|
|
|