MacroReader.cc 62.8 KB
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#include "MacroReader.h"
#include "MacroWriter.h"
#include "MacroElement.h"
#include "Boundary.h"
#include "FiniteElemSpace.h"
#include "Mesh.h"
#include <string>
#include "FixVec.h"
#include "FixVecConvert.h"
#include "PeriodicMap.h"
#include "ElInfo.h"
#include "Parameters.h"
#include "DOFIterator.h"
#include "SurfaceRegion_ED.h"
#include "ElementRegion_ED.h"
#include "LeafData.h"
#include "VertexVector.h"
#include <map>
#include <iostream>
#include <fstream>

namespace AMDiS {

  MacroInfo* MacroReader::readMacro(const char *filename, 
				    Mesh* mesh,
				    const char *periodicFile,
				    int check)
  {
    FUNCNAME("Mesh::readMacro()");

    TEST_EXIT(filename)("no file specified; filename NULL pointer\n");
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    MacroInfo *macroInfo = NEW MacroInfo();
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    macroInfo->readAMDiSMacro(filename, mesh);

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    ::std::deque<MacroElement*>::iterator mel = macroInfo->mel.begin();
    int **melVertex = macroInfo->mel_vertex;
    WorldVector<double> *coords = macroInfo->coords;
    DegreeOfFreedom **dof = macroInfo->dof;
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    // === read periodic data =================================
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    if (periodicFile && (strcmp(periodicFile, "") != 0)) {
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      WARNING("periodic boundaries may lead to errors in small meshes if element neighbours not set\n");
    
      FILE *file = fopen(periodicFile, "r");
      TEST_EXIT(file)("can't open file %s\n", periodicFile);

      int n;
      int dim = mesh->getDim();

      int el1, el2;
      int *verticesEl1 = GET_MEMORY(int, dim);
      int *verticesEl2 = GET_MEMORY(int, dim);
      int mode = -1; // 0: drop dofs, 1: associate dofs
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      int result;
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      BoundaryType boundaryType;

      fscanf(file, "%*s %d", &n);

      fscanf(file, "%*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s");

      PeriodicMap periodicMap;
    
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      for (int i = 0; i < n; i++) {
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	::std::map<int, int> vertexMapEl1;
	::std::map<int, int> vertexMapEl2;

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	result = fscanf(file, "%d", &mode);
	TEST_EXIT(result == 1)("mode?\n");
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	result = fscanf(file, "%d", &boundaryType);
	TEST_EXIT(result == 1)("boundaryType?\n");
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	result = fscanf(file, "%d", &el1);
	TEST_EXIT(result == 1)("el1?\n");

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	for (int j = 0; j < dim; j++) {
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	  result = fscanf(file, "%d", &verticesEl1[j]);
	  TEST_EXIT(result == 1)("vertEl1[%d]\n", j);
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	}
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	result = fscanf(file, "%d", &el2);
	TEST_EXIT(result == 1)("el2?\n");
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	for (int j = 0; j < dim; j++) {
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	  result = fscanf(file, "%d", &verticesEl2[j]);
	  TEST_EXIT(result == 1)("vertEl2[%d]\n", j);
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	}
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	for (int j = 0; j < dim; j++) {
	  if (mode == 0) {
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	    periodicMap.setEntry(melVertex[el1][verticesEl1[j]], 
				 melVertex[el2][verticesEl2[j]]);
	  }
	  vertexMapEl1[verticesEl1[j]] = verticesEl2[j];
	  vertexMapEl2[verticesEl2[j]] = verticesEl1[j];
	}

	// calculate sides of periodic vertices
	int sideEl1 = 0, sideEl2 = 0;
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	if (dim == 1) {
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	  sideEl1 = verticesEl1[0];
	  sideEl2 = verticesEl2[0];
	} else {
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	  for (int j = 0; j < dim + 1; j++) {
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	    sideEl1 += j;
	    sideEl2 += j;
	  }
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	  for (int j = 0; j < dim; j++) {
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	    sideEl1 -= verticesEl1[j];
	    sideEl2 -= verticesEl2[j];
	  }
	}
	
	// create periodic info
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	DimVec<WorldVector<double> > periodicCoordsEl1(dim - 1, NO_INIT);
	DimVec<WorldVector<double> > periodicCoordsEl2(dim - 1, NO_INIT);
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	Element *element1 = const_cast<Element*>((*(mel + el1))->getElement());
	Element *element2 = const_cast<Element*>((*(mel + el2))->getElement());
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	// for all vertices of this side
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	for (int j = 0; j < dim; j++) {
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	  periodicCoordsEl1[element1->getPositionOfVertex(sideEl1, verticesEl1[j])] = 
	    coords[melVertex[el2][vertexMapEl1[verticesEl1[j]]]];
	  periodicCoordsEl2[element2->getPositionOfVertex(sideEl2, verticesEl2[j])] =
	    coords[melVertex[el1][vertexMapEl2[verticesEl2[j]]]];
	}
      
	// decorate leaf data
	ElementData *ld1 = element1->getElementData();
	ElementData *ld2 = element2->getElementData();

	LeafDataPeriodic *ldp1 = dynamic_cast<LeafDataPeriodic*>(ld1->getElementData(PERIODIC));
	LeafDataPeriodic *ldp2 = dynamic_cast<LeafDataPeriodic*>(ld2->getElementData(PERIODIC));

	if (!ldp1) {
	  ldp1 = NEW LeafDataPeriodic(ld1);
	  element1->setElementData(ldp1);
	}

	if (!ldp2) {
	  ldp2 = NEW LeafDataPeriodic(ld2);
	  element2->setElementData(ldp2);
	}

	ldp1->addPeriodicInfo(mode,
			      boundaryType, 
			      sideEl1, 
			      &periodicCoordsEl1);

	ldp2->addPeriodicInfo(mode,
			      boundaryType, 
			      sideEl2, 
			      &periodicCoordsEl2);

	if (mode != 0) {
	  VertexVector *associated = mesh->periodicAssociations[boundaryType];
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	  if (!associated) {
	    associated = NEW VertexVector(mesh->getVertexAdmin(), "vertex vector");
	    mesh->periodicAssociations[boundaryType] = associated;
	    VertexVector::Iterator it(associated, ALL_DOFS);
	    for (it.reset2(); !it.end(); ++it) {
	      *it = it.getDOFIndex();
	    }
	  }

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	  for (int j = 0; j < dim; j++) {
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	    (*associated)[melVertex[el1][verticesEl1[j]]] =
	      melVertex[el2][vertexMapEl1[verticesEl1[j]]];
	    (*associated)[melVertex[el2][verticesEl2[j]]] =
	      melVertex[el1][vertexMapEl2[verticesEl2[j]]];
	  }
	}
      }    

      FREE_MEMORY(verticesEl1, int, dim);
      FREE_MEMORY(verticesEl2, int, dim);

      // change periodic vertex dofs
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      for (int i = 0; i < mesh->getNumberOfVertices(); i++) {
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	if (periodicMap.getEntry(i) != -1) {
	  mesh->freeDOF(dof[i], VERTEX);
	  dof[i] = dof[periodicMap.getEntry(i)];

	  ::std::map<BoundaryType, VertexVector*>::iterator assoc;
	  ::std::map<BoundaryType, VertexVector*>::iterator assocEnd =
	      mesh->periodicAssociations.end();
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	  for (assoc = mesh->periodicAssociations.begin(); 
	       assoc != assocEnd; 
	       ++assoc) {

	    DegreeOfFreedom a = (*(assoc->second))[i];
	    if (a != i) {
	      (*(assoc->second))[i] = i;
	      (*(assoc->second))[a] = periodicMap.getEntry(i);
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	    }
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	  }

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	}
      }

      ::std::map<BoundaryType, VertexVector*>::iterator assoc;
      ::std::map<BoundaryType, VertexVector*>::iterator assocEnd =
	  mesh->periodicAssociations.end();
      for (assoc = mesh->periodicAssociations.begin(); 
	   assoc != assocEnd; 
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	   ++assoc) {

	for (int i = 0; i < mesh->getNumberOfVertices(); i++) {
	  if (i != (*(assoc->second))[i])
	    MSG("association %d: vertex %d -> vertex %d\n", 
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		assoc->first, i, (*(assoc->second))[i]);
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	}
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      }

      for (int i = 0; i < mesh->getNumberOfVertices(); i++) {
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	if (periodicMap.getEntry(i) != -1) {
	  MSG("identification : vertex %d is now vertex %d\n", i, periodicMap.getEntry(i));
	}
      }
    }
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    // =========================================================

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    for (int i = 0; i < mesh->getNumberOfMacros(); i++) {
      for (int k = 0; k < mesh->getGeo(VERTEX); k++) {
	(*(mel + i))->setCoord(k, coords[melVertex[i][k]]);
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	const_cast<Element*>((*(mel+i))->getElement())->
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	  setDOF(k, dof[melVertex[i][k]]);
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      }
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    }
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    if (!macroInfo->neigh_set) {
      TEST_EXIT(!periodicFile)
	("periodic boundary condition => element neighbours must be set\n");
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	computeNeighbours(mesh);
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    } else {
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	/****************************************************************************/
	/* fill MEL oppVertex values when reading neighbour information form file  */
	/****************************************************************************/

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      for (int i = 0; i < mesh->getNumberOfMacros(); i++) {
	for (int k = 0; k < mesh->getGeo(NEIGH); k++) {
	  MacroElement *neigh = const_cast<MacroElement*>(mel[i]->getNeighbour(k));

	  if (neigh) {
	    int j;
	    for (j = 0; j < mesh->getGeo(NEIGH); j++)
	      if (neigh->getNeighbour(j) == *(mel + i))  
		break;
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	    TEST_EXIT(j < mesh->getGeo(NEIGH))("el %d no neighbour of neighbour %d\n", 
					       mel[i]->getIndex(), neigh->getIndex());
	    mel[i]->setOppVertex(k, j);
	  } else {
	    mel[i]->setOppVertex(k, -1);
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	  }
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	}
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      }
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    }
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    if (!macroInfo->bound_set) {
      macroInfo->dirichletBoundary();
    }
  
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    if (mesh->getDim() > 1)
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      boundaryDOFs(mesh);

    // initial boundary projections
    //if(dim > 1) {
    int numFaces = mesh->getGeo(FACE);
    int dim = mesh->getDim();
    mel = mesh->firstMacroElement();
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    for (int i = 0; i < mesh->getNumberOfLeaves(); i++) {
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      MacroElement *macroEl = *(mel+i);
      Projection *projector = macroEl->getProjection(0);
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      if (projector && projector->getType() == VOLUME_PROJECTION) {
	for (int j = 0; j <= dim; j++) {
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	  projector->project(macroEl->getCoord(j));
	}
      } else {
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	for (int j = 0; j < mesh->getGeo(EDGE); j++) {
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	  projector = macroEl->getProjection(numFaces + j);
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	  if (projector) {
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	    int vertex0 = Global::getReferenceElement(dim)->getVertexOfEdge(j, 0);
	    int vertex1 = Global::getReferenceElement(dim)->getVertexOfEdge(j, 1);
	    projector->project(macroEl->getCoord(vertex0));
	    projector->project(macroEl->getCoord(vertex1));
	  }
	}
      }
    }
    //}

    macroInfo->fillBoundaryInfo(mesh);

    if (mesh->getNumberOfDOFs(CENTER)) {
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      for (int i = 0; i < mesh->getNumberOfMacros(); i++) {
	const_cast<Element*>(mel[i]->getElement())->
	  setDOF(mesh->getNode(CENTER),mesh->getDOF(CENTER));
      }
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    }

    /****************************************************************************/
    /* domain size                                                              */
    /****************************************************************************/

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    WorldVector<double> x_min, x_max;
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    for (int j = 0; j < Global::getGeo(WORLD); j++) {
      x_min[j] =  1.E30;
      x_max[j] = -1.E30;
    }

    for (int i = 0; i < mesh->getNumberOfVertices(); i++) {
      for (int j = 0; j < Global::getGeo(WORLD); j++) {
	x_min[j] = ::std::min(x_min[j], coords[i][j]);
	x_max[j] = ::std::max(x_max[j], coords[i][j]);
      }
    }
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    for (int j = 0; j < Global::getGeo(WORLD); j++)
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      mesh->setDiameter(j, x_max[j] - x_min[j]);

    if (check) {
      checkMesh(mesh);

      if (mesh->getDim() > 1) {
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	char filenew[128];
	strncpy(filenew, filename, 128); 
	filenew[127] = 0;
	strncat(filenew, ".new", 128);   
	filenew[127] = 0;
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	macroTest(mesh, filenew);
      }
    }

    return(macroInfo);
  }

  /****************************************************************************/
  /*  fill macro info structure and some pointers in mesh ...                 */
  /****************************************************************************/

  void MacroInfo::fill(Mesh *pmesh, int ne, int nv)
  {
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    FUNCNAME("MacroInfo::fill()");

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    TEST_EXIT(pmesh)("no mesh\n");

    int i;
    int dim = pmesh->getDim();
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    mesh = pmesh;
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    mesh->setNumberOfElements(ne);
    mesh->setNumberOfLeaves(ne);
    mesh->setNumberOfVertices(nv);


    for(i = 0; i < ne; i++) {
      MacroElement *newMacro = NEW MacroElement(mesh->getDim());
      mel.push_back(newMacro);
      mesh->addMacroElement(mel[i]);
    }

    dof = GET_MEMORY(DegreeOfFreedom*, nv);

    coords =  NEW WorldVector<double>[nv];
  
    mel_vertex = GET_MEMORY(int*, ne);
    for (i = 0; i < ne; i++) {
      mel_vertex[i]=GET_MEMORY(int, mesh->getGeo(VERTEX));
    }

    for (i = 0; i < nv; i++)
      dof[i] = mesh->getDOF(VERTEX);

    for (i = 0; i < ne; i++) {
      mel[i]->element = mesh->createNewElement();
      (mel)[i]->index = i;

      if (dim == 3) {
	(mel)[i]->elType = 0;
      }
    }
    neigh_set = false;
    bound_set = false;

    return;
  }

  void MacroInfo::clear(int ne, int nv)
  {
    for (int i = 0; i < mesh->getNumberOfMacros(); i++)
      FREE_MEMORY(mel_vertex[i], int, mesh->getGeo(VERTEX));

    FREE_MEMORY(mel_vertex, int*, ne);

    coords = NULL;  /* must no be freed!!! still used in the mesh!!!     */
    mesh = NULL;
    neigh_set = false;
  }

  /****************************************************************************/
  /****************************************************************************/
  /*  tool for reading macro triangulations in ALBERT-format                  */
  /****************************************************************************/
  /****************************************************************************/

  /****************************************************************************/
  /*  read_indices()  reads dim+1 indices from  file  into  id[0-dim],        */
  /*    returns true if dim+1 inputs arguments could be read successfully by  */
  /*    fscanf(), else false                                                  */
  /****************************************************************************/

  int  MacroInfo::read_indices(FILE *file, DimVec<int> &id)
  {
    int dim = mesh->getDim();

    for (int i = 0; i <= dim; i++) {
      if (fscanf(file, "%d", &id[i]) != 1)
	return(false);
    }

    return(true);
  }

#define N_KEYS      14
#define N_MIN_KEYS  7
  static const char *keys[N_KEYS] = {
    "DIM",                   //  0 
    "DIM_OF_WORLD",          //  1
    "number of vertices",    //  2
    "number of elements",    //  3
    "vertex coordinates",    //  4
    "element vertices",      //  5
    "element boundaries",    //  6
    "element neighbours",    //  7
    "element type",          //  8
    "projections",           //  9
    "element region",        // 10
    "surface region",        // 11
    "mesh name",             // 12
    "time"                   // 13
  };

  static int get_key_no(const char *key)
  {
    int     i;

    for (i = 0; i < N_KEYS; i++)
      if (!strcmp(keys[i], key))  return(i);

    return(-1);
  }

#include <ctype.h>

  static const char *read_key(const char *line)
  {
    static char  key[100];
    char         *k = key;

    while (isspace(*line)) 
	line++;
    while ((*k++ = *line++) != ':');
    *--k = '\0';
  
    return(const_cast<const char *>( key));
  }

  /****************************************************************************/
  /*  read_albert_macro():                                                    */
  /*    read macro triangulation from ascii file in ALBERT format             */
  /*    fills macro_info structure                                            */
  /*    called by read_macro(), fills missing information                     */
  /****************************************************************************/


  void MacroInfo::readAMDiSMacro(const char *filename, Mesh* mesh)
  {
    FUNCNAME("MacroInfo::readAMDiSMacro");
    FILE       *file;
    int        dim;
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    int        dow, nv, ne, j, k;
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    double     dbl;
    char       name[128], line[256];
    int        line_no, n_keys, i_key, sort_key[N_KEYS], nv_key, ne_key;
    int        key_def[N_KEYS] = {0,0,0,0,0,0,0,0,0,0,0,0};
    const char *key;
    DimVec<int> *ind = NULL;

    TEST_EXIT(filename)("no file specified; filename NULL pointer\n");
    TEST_EXIT(strlen(filename) < static_cast<unsigned int>(127))
      ("can only handle filenames up to 127 characters\n");

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    file = fopen(filename, "r");
    TEST_EXIT(file)("cannot open file %s\n", filename);
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    strncpy(name, filename, 127);

    /****************************************************************************/
    /*  looking for all keys in the macro file ...                              */
    /****************************************************************************/

    line_no = n_keys = 0;
    while (fgets(line, 255, file)) {
	line_no++;
	if (!strchr(line, ':'))  continue;
	key = read_key(line);
	i_key = get_key_no(key);
	TEST_EXIT(i_key >= 0)
	  ("macro file %s must not contain key %s on line %d\n",
	   name, key, line_no);
	TEST_EXIT(!key_def[i_key])
	  ("key %s defined second time on line %d in file %s\n");

	sort_key[n_keys++] = i_key;
	key_def[i_key] = true;
    }

    fclose(file);
    for (i_key = 0; i_key < N_MIN_KEYS; i_key++) {
	for (j = 0; j < n_keys; j++)
	    if (sort_key[j] == i_key)  break;
	TEST_EXIT(j < n_keys)("You do not have specified data for %s in %s\n",
			      keys[i_key], name);

	for (j = 0; j < n_keys; j++)
	  if (sort_key[j] == 2)  break;
	nv_key = j;
	for (j = 0; j < n_keys; j++)
	  if (sort_key[j] == 3)  break;
	ne_key = j;
    
	switch(i_key) {
	    case 0:
	    case 1:
		TEST_EXIT(sort_key[i_key] < 2)
		    ("You have to specify DIM or mesh->getGeo(WORLD) before all other data\n");
		break;
	    case 4: 
		TEST_EXIT(nv_key < i_key)
		    ("Before reading data for %s, you have to specify the %s in file\n",
		     keys[4], keys[2], name);
		break;
	    case 5: 
		TEST_EXIT(nv_key < i_key  &&  ne_key < i_key)
		    ("Before reading data for %s, you have to specify the %s and %s in file %s\n",
		     keys[5], keys[3], keys[2], name);
	    case 6:
	    case 7:
	    case 8:
		TEST_EXIT(ne_key < i_key)
		    ("Before reading data for %s, you have to specify the %s in file %s\n",
		     keys[i_key], keys[3], name);
	}
    }

    for (i_key = 0; i_key < N_KEYS; i_key++)
      key_def[i_key] = false;

    /****************************************************************************/
    /*  and now, reading data ...                                               */
    /****************************************************************************/
	
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    file = fopen(name, "r");
    TEST_EXIT(file)("cannot open file %s\n",name);

    int result;
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    for (i_key = 0; i_key < n_keys; i_key++) {

	switch(sort_key[i_key]) {
	  case 0:
577
578
	    result = fscanf(file, "%*s %d", &dim);
	    TEST_EXIT(result == 1)
579
580
581
582
583
584
585
	      ("cannot read DIM correctly in file %s\n", name);

	    ind = NEW DimVec<int>(dim, NO_INIT);

	    key_def[0] = true;
	    break;
	  case 1:
586
587
	    result = fscanf(file, "%*s %d", &dow);
	    TEST_EXIT(result == 1)
588
589
590
591
592
593
594
595
	      ("cannot read Global::getGeo(WORLD) correctly in file %s\n", name);
	    TEST_EXIT(dow == Global::getGeo(WORLD))
	      ("dimension of world = %d != Global::getGeo(WORLD) = %d\n", 
	       dow, Global::getGeo(WORLD));

	    key_def[1] = true;
	    break;
	  case 2:
596
597
	    result = fscanf(file, "%*s %*s %*s %d", &nv);
	    TEST_EXIT(result == 1)
598
599
600
601
602
603
604
605
606
	      ("cannot read number of vertices correctly in file %s\n", name);
	    TEST_EXIT(nv > 0)
	      ("number of vertices = %d must be bigger than 0\n", nv);

	    key_def[2] = true;
	    if (key_def[3])
	      fill(mesh, ne, nv);
	    break;
	  case 3:
607
608
	    result = fscanf(file, "%*s %*s %*s %d", &ne);
	    TEST_EXIT(result == 1)
609
610
611
612
613
614
615
616
617
618
	      ("cannot read number of elements correctly in file %s\n", name);
	    TEST_EXIT(ne > 0)
	      ("number of elements = %d must be bigger than 0\n", ne);

	    key_def[3] = true;
	    if (key_def[2])
	      fill(mesh, ne, nv);
	    break;
	  case 4:
	    fscanf(file, "%*s %*s");
619
620
	    for (int i = 0; i < nv; i++) {
	      for (j = 0; j <Global::getGeo(WORLD) ; j++) {
621
622
		result = fscanf(file, "%lf", &dbl);
		TEST_EXIT(result == 1)
623
624
		  ("error while reading coordinates, check file %s\n", name);
		coords[i][j] = dbl;
625
	      }
626
	    }
627
628
629
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631
632
633
634
	    key_def[4] = true;
	    break;
	  case 5:
	    fscanf(file, "%*s %*s");
	    /****************************************************************************/
	    /* global number of vertices on a single element                            */
	    /****************************************************************************/

635
	    for (int i = 0; i < ne; i++) {
636
637
638
	      result = read_indices(file, *ind);
	      TEST_EXIT(result)
		("cannot read vertex indices of element %d in file %s\n",  i, name);
639

640
641
642
	      for (k = 0; k < mesh->getGeo(VERTEX); k++)
		mel_vertex[i][k] = (*ind)[k];
	    }
643
644
645
646
647
648
649
650

	    key_def[5] = true;
	    break;
	  case 6:
	    fscanf(file, "%*s %*s");
	    /****************************************************************************/
	    /* MEL boundary pointers                                                    */
	    /****************************************************************************/
651
	    for (int i = 0; i < ne; i++) {  
652
653
                // boundary information of ith element 

654
655
656
	      result = read_indices(file, *ind);
	      TEST_EXIT(result)
		("cannot read boundary type of element %d in file %s\n", i, name);
657

658
659
660
661
	      // fill boundary of macro-element
	      MacroReader::fillMelBoundary(mesh, 
					   mel[i], 
					   VecConv<int,NEIGH,PARTS>::convertVec((*ind), mesh));
662
663
664
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666
667
668
669
670
671
672
673
674
675
676
	    }

	    this->fillBoundaryInfo(mesh);
                   
	    bound_set = true;
	    key_def[6] = true;
	    break;
	  case 7:
	    fscanf(file, "%*s %*s");
	    /****************************************************************************/
	    /* fill MEL neighbour pointers:                                             */
	    /*   if they are specified in the file: read them from file,                */
	    /*   else init them by a call of fill_mel_neighbour()                       */
	    /****************************************************************************/
	    neigh_set = true;
677
	    for (int i = 0; i < ne; i++) {
678
679
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682
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684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
                //  neighbour information about ith element

		if (read_indices(file, *ind))
		  MacroReader::fillMelNeigh(mel[i], mel, 
					    VecConv<int,NEIGH,PARTS>::convertVec((*ind), 
										 mesh));
		else {
		  neigh_set = false; /* setting of neighbours fails :-( */
		  break;
		}
	      }

	    key_def[7] = true;
	    break;
	  case 8:
	    fscanf(file, "%*s %*s");
	    /****************************************************************************/
	    /* MEL elType                                                               */
	    /****************************************************************************/

	    if (dim == 2 || dim == 1)
	      ERROR("there is no element type in 2d and 2d; ignoring data for elType\n");

701
	    for (int i = 0; i < ne; i++) {
702
703
704
705
706
707
	      result = fscanf(file, "%d", &j);
	      TEST_EXIT(result == 1)
		("cannot read elType of element %d in file %s\n",
		 i, name);
	      if (dim == 3) {
		(mel)[i]->elType = j;
708
	      }
709
	    }
710
711
712
713
714
715
716
717
718
719

	    key_def[8] = true;
	    break;
	  case 9:
	    {
	      fscanf(file, "%*s");

	      int numFaces = mesh->getGeo(FACE);
	      int numEdgesAtBoundary = 0;

720
	      for (k = 1; k < dim; k++) {
721
722
723
		numEdgesAtBoundary += k;
	      }

724
	      for (int i = 0; i < ne; i++) {
725
726
		result = read_indices(file, *ind);
		TEST_EXIT(result)
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
		  ("cannot read boundary projector of element %d in file %s\n", i, name);
	
		Projection *projector = Projection::getProjection((*ind)[0]);

		if(projector && projector->getType() == VOLUME_PROJECTION) {
		  mel[i]->setProjection(0, projector);
		} else { // boundary projection
		  for(j = 0; j < mesh->getGeo(NEIGH); j++) {
		    projector = Projection::getProjection((*ind)[j]);
		    if(projector) {
		      mel[i]->setProjection(j, projector);
		      if(dim > 2) {
			for(k = 0; k < numEdgesAtBoundary; k++) {
			  int edgeNr = Global::getReferenceElement(dim)->getEdgeOfFace(j, k);
			  mel[i]->setProjection(numFaces + edgeNr, projector);
			}
		      }
		    }
		  }
		}
	      }
	    }
	    key_def[9] = true;
	    break;
	  case 10:
	    fscanf(file, "%*s %*s");
	    /****************************************************************************/
	    /* MEL regions                                                              */
	    /****************************************************************************/

757
	    for (int i = 0; i < ne; i++) {
758
759
	      result = fscanf(file, "%d", &j);
	      TEST_EXIT(result == 1)
760
		("cannot read region of element %d in file %s\n", i, name);
761
	      if (j >= 0) {
762
763
764
765
766
767
768
769
770
771
772
		Element *el = mel[i]->getElement();
		ElementRegion_ED *elementRegion = 
		  NEW ElementRegion_ED(el->getElementData());
		elementRegion->setRegion(j);
		el->setElementData(elementRegion);
	      }
	    }
	    key_def[10] = true;
	    break;
	  case 11:
	    fscanf(file, "%*s %*s");
773
	    for (int i = 0; i < ne; i++) {
774
775
	      result = read_indices(file, *ind);
	      TEST_EXIT(result)
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
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798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
		("cannot read surface regions of element %d in file %s\n", i, name);

	      Element *el = mel[i]->getElement();

	      for(j = 0; j < mesh->getGeo(NEIGH); j++) {
		if((*ind)[j] >= 0) {
		  SurfaceRegion_ED *surfaceRegion = 
		    NEW SurfaceRegion_ED(el->getElementData());
		  surfaceRegion->setSide(j);
		  surfaceRegion->setRegion((*ind)[j]);
		  el->setElementData(surfaceRegion);
		}
	      }
	    }
	    key_def[11] = true;
	    break;
	  case 12:
	    fscanf(file, "%*s %*s %*s");
	    break;
	  case 13:
	    fscanf(file, "%*s %*s");
	    break;
	  }
      }

    fclose(file);
  }


  int macro_type(const char *filename, const char *type)
  {
    const char *fn, *t;
  
    if (strlen(filename) <= strlen(type))
      return(false);
  
    fn = filename;
    while (*fn) fn++;
    t = type;
    while (*t) t++;
  
    while (t != type  &&  *t == *fn) t--;
  
    return(t == type);
  }


  /****************************************************************************/
  /*  sets the boundary of all edges/faces with no neigbour to a straight     */
  /*  line/face with Dirichlet boundary type                                  */
  /****************************************************************************/

  void MacroInfo::dirichletBoundary()
  {
830
831
    for (int i = 0; i < static_cast<int>( mel.size()); i++) {
      for (int k = 0; k < mesh->getGeo(NEIGH); k++) {
832
833
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835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
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851
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854
855
856
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859
860
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863
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865
866
867
868
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870
871
872
873
874
875
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879
880
881
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883
884
885
886
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890
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892
893
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896
897
898
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900
901
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903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
	if (mel[i]->neighbour[k])
	  mel[i]->boundary[k] = INTERIOR;
	else
	  mel[i]->boundary[k] = DIRICHLET;
      }
    }
    return;
  }


  void MacroInfo::fillBoundaryInfo(Mesh *mesh)
  {
    int i,j,k, nv = mesh->getNumberOfVertices();

    ::std::deque<MacroElement*>::iterator melIt;

    BoundaryType *bound = GET_MEMORY(BoundaryType, nv);

    int dim = mesh->getDim();

    switch(dim) {
    case 1:
      break;
    case 2:
      for (i = 0; i < nv; i++)
	bound[i] = INTERIOR;

      for (i=0, melIt = mesh->firstMacroElement(); 
	   melIt != mesh->endOfMacroElements(); 
	   ++melIt, ++i) 
	{
	  for (j = 0; j < mesh->getGeo(NEIGH); j++) {
	    if ((*melIt)->getBoundary(j) != INTERIOR) {
	      if ((*melIt)->getBoundary(j) >= DIRICHLET) {
		int j1 = mel_vertex[i][(j+1)%3];
		int j2 = mel_vertex[i][(j+2)%3];

		bound[j1] = 
		  max(bound[j1], (*melIt)->getBoundary(j));
		bound[j2] = 
		  max(bound[j2], (*melIt)->getBoundary(j));
	      } 
	      else if ((*melIt)->getBoundary(j) <= NEUMANN) {
		int j1 = mel_vertex[i][(j+1)%3];
		int j2 = mel_vertex[i][(j+2)%3];

		if (bound[j1] != INTERIOR)
		  bound[j1] = 
		    max(bound[j1], (*melIt)->getBoundary(j));
		else
		  bound[j1] = (*melIt)->getBoundary(j);

		if (bound[j2] != INTERIOR)
		  bound[j2] = 
		    max(bound[j2], (*melIt)->getBoundary(j));
		else
		  bound[j2] = (*melIt)->getBoundary(j);
	      }
	    }
	  }
	}

      for (i=0, melIt = mesh->firstMacroElement(); 
	   melIt != mesh->endOfMacroElements(); 
	   ++melIt, i++) 
	{
	  for (j = 0; j < mesh->getGeo(VERTEX); j++)
	    (*melIt)->setBoundary(3 + j, bound[mel_vertex[i][j]]);
	}
      break;
    case 3:
      for (i = 0; i < nv; i++)
	bound[i] = INTERIOR;

      for (i=0, melIt = mesh->firstMacroElement(); 
	   melIt != mesh->endOfMacroElements(); 
	   ++melIt, i++) 
	{
	  for (j = 0; j < mesh->getGeo(NEIGH); j++) {
	    for (k = 1; k < 4; k++)
	      bound[mel_vertex[i][(j+k)%4]] =
		((*melIt)->getBoundary(j) != INTERIOR) ?
		newBound((*melIt)->getBoundary(j),
			 bound[mel_vertex[i][(j+k)%4]]) :
		//(*melIt)->getBoundary(j)->
		//newVal(bound[data->mel_vertex[i][(j+k)%4]]) :
		bound[mel_vertex[i][(j+k)%4]];
	  }
	}

      for (i = 0, melIt = mesh->firstMacroElement(); 
	   melIt != mesh->endOfMacroElements(); 
	   ++melIt, i++) 
	{
	  for (j = 0; j < mesh->getGeo(VERTEX); j++)
	    (*melIt)->setBoundary(10 + j, bound[mel_vertex[i][j]]);
	}
      break;
    default: ERROR_EXIT("invalid dim\n");
    }

    FREE_MEMORY(bound, BoundaryType, nv);
  }

  void MacroReader::computeNeighbours(Mesh *mesh)
  {
938
    FUNCNAME("MacroReader::computeNeighbours()");
939

940
    int dim = mesh->getDim();
941
942
    FixVec<DegreeOfFreedom*, DIMEN>  dof(dim, NO_INIT);

943
944
945
946
    for (int i = 0; i < mesh->getNumberOfLeaves(); i++) {
      for (int k = 0; k < mesh->getGeo(NEIGH); k++) {
	mesh->getMacroElement(i)->setOppVertex(k, AMDIS_UNDEFINED);
	mesh->getMacroElement(i)->setNeighbour(k, NULL);
947
      }
948
    }
949

950
951
952
953
954
955
956
    for (int i = 0; i < mesh->getNumberOfLeaves(); i++) {
      for (int k = 0; k < mesh->getGeo(NEIGH); k++) {
	if (mesh->getMacroElement(i)->getBoundary(k) != INTERIOR) {
	  mesh->getMacroElement(i)->setNeighbour(k, NULL);
	  mesh->getMacroElement(i)->setOppVertex(k, -1);
	  continue;
	}
957

958
959
960
961
962
963
964
965
966
	if (mesh->getMacroElement(i)->getOppVertex(k) == AMDIS_UNDEFINED) {
	  if (dim == 1) {
	    dof[0] = const_cast<DegreeOfFreedom*>(mesh->getMacroElement(i)->
						  getElement()->getDOF(k));
	  } else {
	    for (int l = 0; l < dim; l++)
	      dof[l] = const_cast<DegreeOfFreedom*>(mesh->getMacroElement(i)->
						    getElement()->
						    getDOF((k+l+1)%(dim+1)));
967
	  }
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
	  
	  int j = 0;
	  for (j = i + 1; j < mesh->getNumberOfLeaves(); j++) {
	    int m = mesh->getMacroElement(j)->getElement()->oppVertex(dof);
	    if (m != -1) {
	      mesh->getMacroElement(i)->setNeighbour(k, mesh->getMacroElement(j));
	      mesh->getMacroElement(j)->setNeighbour(m, mesh->getMacroElement(i));
	      mesh->getMacroElement(i)->setOppVertex(k, m);
	      mesh->getMacroElement(j)->setOppVertex(m, k);
	      break;
	    }
	  }

	  TEST_EXIT(j < mesh->getNumberOfLeaves())
	    ("could not find neighbour %d of element %d\n", k, i);
	}
984
      }
985
    }
986
987
988
989
990
991
992
993
994
995
996
997
998
999


    return;
  }


  /****************************************************************************/
  /*  boundaryDOFs:                                                           */
  /*  adds dof's at the edges of a given macro triangulation and calculates   */
  /*  the number of edges                                                     */
  /****************************************************************************/

  void MacroReader::boundaryDOFs(Mesh *mesh)
  {
1000
1001
1002
1003
1004
    FUNCNAME("Mesh::boundaryDOFs()");

    int lnode = mesh->getNode(EDGE);
    int k, lne = mesh->getNumberOfLeaves();
    int max_n_neigh = 0, n_neigh, ov;
1005
1006
    ::std::deque<MacroElement*>::iterator mel;
    const MacroElement* neigh;
1007
    DegreeOfFreedom *dof;
1008
1009
1010
1011
1012
1013
1014
1015

    mesh->setNumberOfEdges(0);
    mesh->setNumberOfFaces(0);

    int dim = mesh->getDim();

    switch(dim) {
    case 2:
1016
      for (mel = mesh->firstMacroElement(); mel != mesh->endOfMacroElements(); mel++) {
1017
1018
1019
1020
1021
1022
	// check for periodic boundary
	Element *el = const_cast<Element*>((*mel)->getElement());
	ElementData *ed = el->getElementData(PERIODIC);

	DimVec<bool> periodic(dim, DEFAULT_VALUE, false);

1023
	if (ed) {
1024
1025
1026
1027
	  ::std::list<LeafDataPeriodic::PeriodicInfo> &periodicInfos = 
	    dynamic_cast<LeafDataPeriodic*>(ed)->getInfoList();
	  ::std::list<LeafDataPeriodic::PeriodicInfo>::iterator it;
	  ::std::list<LeafDataPeriodic::PeriodicInfo>::iterator end = periodicInfos.end();
1028
1029
	  for (it = periodicInfos.begin(); it != end; ++it) {
	    if (it->type != 0) {
1030
1031
1032
1033
1034
	      periodic[it->elementSide] = true;
	    }
	  }
	}

1035
	for (int i = 0; i < mesh->getGeo(NEIGH); i++) {
1036
	  if (!(*mel)->getNeighbour(i) || 
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
	      ((*mel)->getNeighbour(i)->getIndex() < (*mel)->getIndex())) {

	    mesh->incrementNumberOfEdges(1);

	    if (mesh->getNumberOfDOFs(EDGE)) {
	      dof = el->setDOF(lnode + i, mesh->getDOF(EDGE));
      
	      if ((*mel)->getNeighbour(i)) {
		Element *neigh = const_cast<Element*>((*mel)->getNeighbour(i)->getElement());

		if (periodic[i]) {
		  neigh->setDOF(lnode + (*mel)->getOppVertex(i), mesh->getDOF(EDGE));
		} else {
		  neigh->setDOF(lnode + (*mel)->getOppVertex(i), dof);
1051
1052
		}
	      }
1053
1054
	    }
	  }  
1055
1056
1057
1058
1059
1060
	}
      }
      break;
    case 3:
      lnode = mesh->getNode(FACE);
      mel = mesh->firstMacroElement();
1061
      for (int i = 0; i < lne; i++) {
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
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1088
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1092
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1096
1097
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1099
1100
1101
1102
1103
1104
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1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150

	// check for periodic boundary
	Element *el = const_cast<Element*>((*(mel+i))->getElement());
	ElementData *ed = el->getElementData(PERIODIC);

	DimVec<bool> periodic(dim, DEFAULT_VALUE, false);
      
	if(ed) {
	  ::std::list<LeafDataPeriodic::PeriodicInfo> &periodicInfos = 
	    dynamic_cast<LeafDataPeriodic*>(ed)->getInfoList();
	  ::std::list<LeafDataPeriodic::PeriodicInfo>::iterator it;
	  ::std::list<LeafDataPeriodic::PeriodicInfo>::iterator end = periodicInfos.end();
	  for(it = periodicInfos.begin(); it != end; ++it) {
	    if(it->type != 0) {
	      periodic[it->elementSide] = true;
	    }
	  }
	}

	for (k = 0; k < mesh->getGeo(EDGE); k++) {      
	  /*********************************************************************/
	  /* check for not counted edges                                       */
	  /*********************************************************************/
	  n_neigh = 1;

	  // 	static int faceOfEdge[6][2] = { {2, 3}, 
	  // 	                                {1, 3},
	  // 					{1, 2},
	  // 					{0, 3},
	  // 					{0, 2},
	  // 					{0, 1} };

	  // 	bool periodicEdge;
	  // 	if(periodic[faceOfEdge[k][0]] || periodic[faceOfEdge[k][1]]) {
	  // 	  periodicEdge = true;
	  // 	} else {
	  // 	  periodicEdge = false;
	  // 	}

	  if (newEdge(mesh, (*(mel+i)), k, &n_neigh/*, periodicEdge*/)) {
	    // 	  if(periodicEdge) {
	    // 	    mesh->incrementNumberOfEdges(2);
	    // 	  } else {
	    mesh->incrementNumberOfEdges(1);
	    // 	  }
	    max_n_neigh = max(max_n_neigh, n_neigh);
	  }
	}
      
	for (k = 0; k < mesh->getGeo(NEIGH); k++) {
	  neigh = (*(mel+i))->getNeighbour(k);
	  /*********************************************************************/
	  /* face is counted and dof is added by the element with bigger index */
	  /*********************************************************************/
	  if (neigh  &&  (neigh->getIndex() > (*(mel+i))->getIndex()))  continue;
	
	  mesh->incrementNumberOfFaces(1);
	
	  if (mesh->getNumberOfDOFs(FACE)) {
	    TEST_EXIT(!(*(mel+i))->getElement()->getDOF(lnode+k))
	      ("dof %d on element %d already set\n", 
	       lnode+k, (*(mel+i))->getIndex());
	  
	    const_cast<Element*>((*(mel+i))->getElement())->setDOF(lnode+k, 
								   mesh->getDOF(FACE));

	    if (neigh) {
	      ov = (*(mel+i))->getOppVertex(k);
	      TEST_EXIT(!neigh->getElement()->getDOF(lnode+ov))
		("dof %d on neighbour %d already set\n", 
		 lnode+ov, neigh->getIndex());
	    
	      Element *neighEl = 
		const_cast<Element*>((*(mel+i))->getNeighbour(k)->getElement());

	      if (periodic[k]) {
		neighEl->setDOF(lnode+ov, mesh->getDOF(FACE));
	      } else {
		neighEl->setDOF(lnode+ov, const_cast<int*>((*(mel+i))->getElement()->
							   getDOF(lnode+k)));
	      }
	    }
	  }
	}
      }
      break;
    default: ERROR_EXIT("invalid dim\n");
    }
    
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    if (3 == dim) {
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      mesh->setMaxEdgeNeigh(::std::max(8, 2*max_n_neigh));
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    } else {
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      mesh->setMaxEdgeNeigh(dim-1);    
    }

    return;
  }

  /* 
     testet mesh auf auftretende Zyklen
  
     wenn Zyklus auftritt:
     ordnet Eintraege in MacroElement-Struktur um, so dass kein Zyklus auftritt
     erzeugt neue Macro-Datei nameneu mit umgeordnetem Netz 
     (wenn nameneu=NULL wird keine MAcro-Datei erzeugt)
  */      

  void MacroReader::macroTest(Mesh *mesh, const char *nameneu)
  {
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    FUNCNAME("MacroReader::macroTest()");
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    int i = macrotest(mesh);

    if (i >= 0) {
      ERROR("There is a cycle beginning in macro element %d\n", i);
      ERROR("Entries in MacroElement structures get reordered\n");
      umb(NULL, mesh, umbVkantMacro);

      if (nameneu) {
	ERROR_EXIT("mesh->feSpace\n");
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      }
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    }

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    return;
  }
  
  /****************************************************************************/
  /*  macro_test():                              Author: Thomas Kastl (1998)  */
  /****************************************************************************/
  /*
    testet mesh auf auftretende Zyklen
  
    wenn mesh zyklenfrei -> -1
    sonst ->  globaler Index des Macroelementes bei dem ein Zyklus beginnt 
  */

  int MacroReader::macrotest(Mesh *mesh)
  {
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    FUNCNAME("MacroReader::macrotest()");
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    int *test;
    int *zykl;
    ::std::deque<MacroElement*>::const_iterator macro,mac;
    int flg;
    ::std::deque<MacroElement*>::const_iterator macrolfd;
    int zykstart;
    int dim = mesh->getDim();

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    test = GET_MEMORY(int, mesh->getNumberOfMacros());
    zykl = GET_MEMORY(int, mesh->getNumberOfMacros());
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    for (int i = 0; i < mesh->getNumberOfMacros(); i++) {
      test[i] = 0;
    }
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    zykstart = -1;
    macrolfd = mesh->firstMacroElement();
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    while (macrolfd != mesh->endOfMacroElements()) {
      if (test[(*macrolfd)->getIndex()] == 1) {
	macrolfd++;
      } else {
	for (int i = 0; i < mesh->getNumberOfMacros(); i++) {
	  zykl[i] = 0;
	}
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	macro = macrolfd;
	flg = 2;
	do {
	  if (zykl[(*macro)->getIndex()] == 1) {
	    flg = 0;
	    zykstart = (*macro)->getIndex();
	  } else {
	    zykl[(*macro)->getIndex()] = 1;
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	    if (test[(*macro)->getIndex()] == 1) {
	      flg = 1;
	    } else if ((*macro)->getNeighbour(dim) == NULL) {
	      flg = 1;
	      test[(*macro)->getIndex()] = 1;
	    }
	    else if ((*macro) == (*macro)->getNeighbour(dim)->getNeighbour(dim)) {
	      flg = 1;
	      test[(*macro)->getIndex()] = 1;
	      test[(*macro)->getNeighbour(dim)->getIndex()] = 1;
	    } else {
	      for (mac = mesh->firstMacroElement();
		   (*mac)!=(*macro)->getNeighbour(dim);
		   mac++);
	      macro = mac;
	    } 
	  }	  
	} while(flg == 2);
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	if (flg == 1) {
	  macrolfd++;
	} else  { 
	  macrolfd=mesh->endOfMacroElements();
	}
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      }
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    }
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    FREE_MEMORY(zykl, int, mesh->getNumberOfMacros());
    FREE_MEMORY(test, int, mesh->getNumberOfMacros());
 
    return zykstart;
  }

  //   waehlt geeignete Verfeinerungskanten, so dass kein Zyklus auftritt (recumb)

  //   ele     Integer-Vektor der Dimension Anzahl der Macro-Elemente
  //           zur Speicherung der neuen Verfeinerungskanten
  //           (wird nur benoetigt, wenn umbvk=umb_vkant_macrodat) 
  
  //   umbvk   Fkt. zur Neuordnung der Verfeinerungskanten
  //           = umb_vkant_macro :
  //               Eintraege in MacroElement-Struktur und Eintraege in macro->el
  //               werden tatsaechlich umgeordnet
  //               -> ALBERT-Routine write_macro kann zum erzeugen einer
  //                  neuen Macro-Datei angewendet werden 
  //           = umb_vkant_macrodat :
  //               Eintraege werden nicht veraendert, es werden nur die lokalen
  //               Indices der Kanten, die zu Verfeinerungskanten werden im
  //               Integer-Vektor ele abgespeichert
  //               -> print_Macrodat zur Erzeugung einer zyklenfreien neuen
  //                  Macro-Datei kann angewendet werden

  void MacroReader::umb(int *ele, Mesh *mesh,
			void (*umbvk)(Mesh*,MacroElement*,int,int*))
  {
    FUNCNAME("MacroReader::umb");

    int *test;
    int i;
  
    test=GET_MEMORY(int, mesh->getNumberOfMacros());
  
    for (i=0; i < static_cast<int>(mesh->getNumberOfMacros()); i++)
      test[i]=0;

    recumb(mesh, (*mesh->firstMacroElement()), NULL,test,0,0,ele,umbvk);

    FREE_MEMORY(test, int, mesh->getNumberOfMacros());
  }

  bool MacroReader::newEdge(Mesh *mesh, MacroElement *mel,
			    int mel_edge_no, int *n_neigh)
  {
    FUNCNAME("MacroElement::newEdge"); 
    MacroElement    *nei;
    const DegreeOfFreedom *dof[2];
    DegreeOfFreedom *edge_dof = NULL;
    int             j, k, opp_v, mel_index, node=0;
    BoundaryType    lbound = INTERIOR;
    Projection *lproject = NULL;
    const int       max_no_list_el = 100;
    BoundaryType *list_bound[100];
    Projection **list_project[100];
    Element *el = const_cast<Element*>(mel->getElement());
    int edge_no = mel_edge_no;

    static int  next_el[6][2] = {{3,2},{1,3},{1,2},{0,3},{0,2},{0,1}};

    int vertices = mesh->getGeo(VERTEX);

    mel_index = mel->getIndex();

    list_bound[0] = &(mel->boundary[mesh->getGeo(FACE)+edge_no]);
    list_project[0] = &(mel->projection[mesh->getGeo(FACE)+edge_no]);

    if (mesh->getNumberOfDOFs(EDGE)) {
      node = mesh->getNode(EDGE);
      if (el->getDOF(node+edge_no)) {
	/****************************************************************************/
	/*  edge was counted by another macro element and dof was added on the      */
	/*  complete patch                                                          */
	/****************************************************************************/
	return false;
      } else {
	edge_dof = el->setDOF(node+edge_no,mesh->getDOF(EDGE));
      }
    }

    for (j = 0; j < 2; j++) {
      dof[j] = el->getDOF(el->getVertexOfEdge(edge_no, j));
    }


    /****************************************************************************/
    /*  first look for all neighbours in one direction until a boundary is      */
    /*  reached :-( or we are back to mel :-)                                   */
    /*  if the index of a neighbour is smaller than the element index, the edge */
    /*  is counted by this neighbour, return 0.                                 */
    /*  If we are back to element, return 1, to count the edge                  */
    /****************************************************************************/

    nei = mel->getNeighbour(next_el[edge_no][0]);
    opp_v = mel->getOppVertex(next_el[edge_no][0]);


    if(mel->getBoundary(next_el[edge_no][0])) {
      lbound = newBound(mel->getBoundary(next_el[edge_no][0]), lbound);
      lproject = mel->getProjection(next_el[edge_no][0]);
    }

    while (nei  &&  nei != mel) {
      for (j = 0; j < vertices; j++)
	if (nei->getElement()->getDOF(j) == dof[0])  break;
      for (k = 0; k < vertices; k++)
	if (nei->getElement()->getDOF(k) == dof[1])  break;

      // check for periodic boundary
      if(j == 4 || k == 4) {
	nei = NULL;
	break;
      }

      if (mesh->getNumberOfDOFs(EDGE))
	TEST_EXIT(nei->index > mel_index)
	  ("neighbour index %d < element index %d\n", nei->getIndex(), mel_index);

      if (!mesh->getNumberOfDOFs(EDGE) &&  nei->getIndex() < mel_index)  return false;

    
      edge_no = Tetrahedron::edgeOfDOFs[j][k];

      TEST_EXIT(*n_neigh < max_no_list_el)
	("too many neigbours for local list\n");

      list_bound[(*n_neigh)] = 
	&(nei->boundary[mesh->getGeo(FACE)+edge_no]);

      list_project[(*n_neigh)++] = 
	&(nei->projection[mesh->getGeo(FACE)+edge_no]);

      if (mesh->getNumberOfDOFs(EDGE))
	{
	  //       if(periodic) {
	  // 	nei->element->setDOF(node+edge_no, mesh->getDOF(EDGE));
	  //       } else {
	  nei->element->setDOF(node+edge_no,edge_dof);
	  //       }
	}

      if (next_el[edge_no][0] != opp_v)
	{
	  if(nei->getBoundary(next_el[edge_no][0])) {
	    lbound = newBound(nei->getBoundary(next_el[edge_no][0]), lbound);
	    Projection *neiProject = nei->getProjection(next_el[edge_no][0]);
	    if(!lproject)
	      lproject = neiProject;
	    else {
	      if(neiProject && (lproject->getID() < neiProject->getID())) {
		lproject = neiProject;
	      }
	    }
	  }
	  opp_v = nei->getOppVertex(next_el[edge_no][0]);
	  nei = nei->getNeighbour(next_el[edge_no][0]);
	}
      else
	{
	  if(nei->getBoundary(next_el[edge_no][1])) {
	    lbound = newBound(nei->getBoundary(next_el[edge_no][1]), lbound);
	    Projection *neiProject = nei->getProjection(next_el[edge_no][1]);	
	    if(!lproject)
	      lproject = neiProject;
	    else {
	      if(neiProject && (lproject->getID() < neiProject->getID())) {
		lproject = neiProject;
	      }
	    }
	  }
	  opp_v = nei->getOppVertex(next_el[edge_no][1]);
	  nei = nei->getNeighbour(next_el[edge_no][1]);
	}
    }
    if (!nei)
      {
	/****************************************************************************/
	/*  while looping around the edge the domain's boundary was reached. Now,   */
	/*  loop in the other direction to the domain's boundary		    */
	/****************************************************************************/
	edge_no = mel_edge_no;

	nei = mel->getNeighbour(next_el[edge_no][1]);
	opp_v = mel->getOppVertex(next_el[edge_no][1]);
	if(mel->getBoundary(next_el[edge_no][1])) {
	  lbound = newBound(mel->getBoundary(next_el[edge_no][1]), lbound); 
	  Projection *neiProject =  mel->getProjection(next_el[edge_no][1]);
	  if(!lproject)
	    lproject = neiProject;
	  else {
	    if(neiProject && (lproject->getID() < neiProject->getID())) {
	      lproject = neiProject;
	    }
	  }
	}
	while (nei)
	  {
	    for (j = 0; j < vertices; j++)
	      if (nei->getElement()->getDOF(j) == dof[0])  break;
	    for (k = 0; k < vertices; k++)
	      if (nei->getElement()->getDOF(k) == dof[1])  break;

	    // check for periodic boundary
	    if(j == 4 || k == 4) {
	      return false;
	    }

	    if (mesh->getNumberOfDOFs(EDGE))
	      TEST_EXIT(nei->getIndex() > mel_index)
		("neighbour index %d < element index %d\n", nei->getIndex(),
		 mel_index);

	    if (nei->getIndex() < mel_index)  return false;


	    edge_no = Tetrahedron::edgeOfDOFs[j][k];

	    TEST_EXIT(*n_neigh < max_no_list_el)
	      ("too many neigbours for local list\n");

	    list_bound[(*n_neigh)] = 
	      &(nei->boundary[mesh->getGeo(FACE)+edge_no]);

	    list_project[(*n_neigh)++] = 
	      &(nei->projection[mesh->getGeo(FACE)+edge_no]);

	    if (mesh->getNumberOfDOFs(EDGE)) {
	      TEST_EXIT(!nei->getElement()->getDOF(node+edge_no))
		("dof %d on element %d is already set, but not on element %d\n",
		 node + edge_no, nei->getIndex(), mel_index);
	
	      // 	if(periodic) {
	      // 	  nei->element->setDOF(node+edge_no, mesh->getDOF(EDGE));
	      // 	} else {
	      nei->element->setDOF(node+edge_no,edge_dof);
	      // 	}
	    }

	    if (next_el[edge_no][0] != opp_v)
	      {
		if(nei->getBoundary(next_el[edge_no][0])) {
		  lbound = newBound(nei->getBoundary(next_el[edge_no][0]), lbound);
		  Projection *neiProject = nei->getProjection(next_el[edge_no][0]);
		  if(!lproject)
		    lproject = neiProject;
		  else {
		    if(neiProject &&( lproject->getID() < neiProject->getID())) {
		      lproject = neiProject;
		    }
		  }
		}

		opp_v = nei->getOppVertex(next_el[edge_no][0]);
		nei = nei->getNeighbour(next_el[edge_no][0]);
	      }
	    else {
	      if(nei->getBoundary(next_el[edge_no][1])) {
		lbound = newBound(nei->getBoundary(next_el[edge_no][1]), lbound); 
		Projection *neiProject = nei->getProjection(next_el[edge_no][1]);
		if(!lproject)
		  lproject = neiProject;
		else {
		  if(neiProject && (lproject->getID() < neiProject->getID())) {
		    lproject = neiProject;
		  }
		}
	      }

	      opp_v = nei->getOppVertex(next_el[edge_no][1]);
	      nei = nei->getNeighbour(next_el[edge_no][1]);
	    }
	  }
      }
  
    for (j = 0; j < *n_neigh; j++) {
      *(list_bound[j]) = lbound;
      *(list_project[j]) = lproject;
    }
  
    return true;
  }

  void MacroReader::fillMelBoundary(Mesh *mesh, MacroElement *mel, 
				    FixVec<BoundaryType ,NEIGH> ind)
  {
    int i;
    for(i=0; i < mesh->getGeo(NEIGH); i++) {
      mel->boundary[i] = ind[i];    
    }
  }


  void MacroReader::fillMelNeigh(MacroElement *mel,
				 ::std::deque<MacroElement*>& macro_elements, 
				 FixVec<int,NEIGH> ind)
  {
    int      k;
    int dim = mel->element->getMesh()->getDim();

    for (k = 0; k < Global::getGeo(NEIGH, dim); k++)
      {
	if (ind[k] >= 0) 
	  mel->neighbour[k] = macro_elements[ind[k]];
	else
	  mel->neighbour[k] = NULL;
      }
    return;
  }


  //   ordnet Eintraege in Macro-Element macro bzgl. Verfeinerungskante ka um
  //   (coord, bound, boundary, neigh, oppVertex)

  //   ordnet Eintraege in macro->el bzgl. Verfeinerungskante ka um
  //   (Element-DOF's (macro->el->dof) in Ecken und auf Kanten,
  //    wenn NEIGH_IN_EL macro->el->neigh, macro->el->oppVertex)
  //   (wird fuer ALBERT-Routine write_macro benoetigt)

  //   ele wird nicht benoetigt (es kann NULL uebergeben werden)    


  void MacroReader::umbVkantMacro(Mesh *mesh, MacroElement* me, int ka, int *)
  {
    MacroElement* macr=NEW MacroElement(mesh->getDim());
    int i;
    int n0;
    DegreeOfFreedom *d[7];
  
    int vertices = mesh->getGeo(VERTEX);
    int facesPlusEdges = mesh->getGeo(EDGE) + mesh->getGeo(FACE);

    if (ka == 2);
    else { 
      for (i=0; i < 3; i++) {
	macr->coord[i]=me->coord[i];
	macr->setBoundary(facesPlusEdges + i, me->getBoundary(facesPlusEdges + i));
	macr->setBoundary(i, me->getBoundary(i));
	macr->setNeighbour(i, me->getNeighbour(i));
	macr->setOppVertex(i,me->getOppVertex(i));
      }    
  
      for (i=0; i < 7; i++) {
	d[i]=const_cast<int*>(me->getElement()->getDOF(i));
      }

      if (ka == 1) { 
	me->coord[0] = macr->coord[2];
	me->coord[1] = macr->coord[0];
	me->coord[2] = macr->coord[1];

	me->setBoundary(facesPlusEdges + 0,macr->getBoundary(facesPlusEdges + 2));
	me->setBoundary(facesPlusEdges + 1,macr->getBoundary(facesPlusEdges + 0));
	me->setBoundary(facesPlusEdges + 2,macr->getBoundary(facesPlusEdges + 1));

	me->setBoundary(0, macr->getBoundary(2));
	me->setBoundary(1, macr->getBoundary(0));
	me->setBoundary(2, macr->getBoundary(1));

	me->setNeighbour(0,const_cast<MacroElement*>(macr->getNeighbour(2)));
	me->setNeighbour(1,const_cast<MacroElement*>(macr->getNeighbour(0)));
	me->setNeighbour(2,const_cast<MacroElement*>(macr->getNeighbour(1)));

	me->setOppVertex(0,macr->getOppVertex(2));
	me->setOppVertex(1,macr->getOppVertex(0));
	me->setOppVertex(2,macr->getOppVertex(1));


	if (mesh->getNumberOfDOFs(VERTEX))                /* Ecken */
	  {
	    n0=mesh->getNode(VERTEX);              
        
	    const_cast<Element*>(me->getElement())->setDOF(n0,d[n0+2]);     
	    const_cast<Element*>(me->getElement())->setDOF(n0+1,d[n0]);  
	    const_cast<Element*>(me->getElement())->setDOF(n0+2,d[n0+1]);   
	  }
 
	if (mesh->getNumberOfDOFs(EDGE))                  /* Kanten */
	  { 
	    n0=mesh->getNode(EDGE);    
       
	    const_cast<Element*>(me->getElement())->setDOF(n0,d[n0+2]);  
	    const_cast<Element*>(me->getElement())->setDOF(n0+1,d[n0]);  
	    const_cast<Element*>(me->getElement())->setDOF(n0+2,d[n0+1]);
	  } 

      } else {
	me->coord[0] = macr->coord[1];
	me->coord[1] = macr->coord[2];
	me->coord[2] = macr->coord[0];

	me->setBoundary(facesPlusEdges + 0,macr->getBoundary(facesPlusEdges + 1));
	me->setBoundary(facesPlusEdges + 1,macr->getBoundary(facesPlusEdges + 2));
	me->setBoundary(facesPlusEdges + 2,macr->getBoundary(facesPlusEdges + 0));

	me->setBoundary(0, macr->getBoundary(1));
	me->setBoundary(1, macr->getBoundary(2));
	me->setBoundary(2, macr->getBoundary(0));

	me->setNeighbour(0,const_cast<MacroElement*>(macr->getNeighbour(1)));
	me->setNeighbour(1,