libgmsh-dev 2.8.5+dfsg-1.1+b1 / usr / include / gmsh / OptHomRun.h

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// Contributors: Thomas Toulorge, Jonathan Lambrechts

#ifndef _OPTHOMRUN_H_
#define _OPTHOMRUN_H_

class GModel;

struct OptHomParameters {
  // INPUT ------>
  double BARRIER_MIN_METRIC ; // minimum scaled jcaobian
  double BARRIER_MIN ; // minimum scaled jcaobian
  double BARRIER_MAX ; // maximum scaled jcaobian
  double weightFixed ; // weight of the energy for fixed nodes
  double weightFree ; // weight of the energy for free nodes
  int nbLayers ; // number of layers taken around a bad element
  int dim ; // which dimension to optimize
  int itMax ; // max number of iterations in the optimization process
  int optPassMax ; // max number of optimization passes
  double TMAX ; // max CPU time allowed
  bool onlyVisible ; // apply optimization to visible entities ONLY
  double distanceFactor; // filter elements such that no elements further away
                         // than DistanceFactor times the max distance to
                         // straight sided version of an element are optimized
  bool fixBndNodes;  // how jacobians are computed and if points can move on boundaries
  int strategy; // 0 = connected blobs, 1 = adaptive one-by-one
  int maxAdaptBlob; // Max. nb. of blob adaptation interations
  int adaptBlobLayerFact; // Growth factor in number of layers for blob adaptation
  double adaptBlobDistFact; // Growth factor in distance factor for blob adaptation
  bool optPrimSurfMesh; // Enable optimisation of p1 surface meshes
  bool optCAD;//Enable optimization of mesh vertices positions for geometrical fitting
  double optCADWeight;//Weight
  double optCADDistMax;//Maximum allowed distance from the CAD
  double discrTolerance;

  // OUTPUT ------>
  int SUCCESS ; // 0 --> success , 1 --> Not converged
  double minJac, maxJac; // after optimization, range of jacobians
  double CPU; // Time for optimization

  OptHomParameters ()
    : BARRIER_MIN_METRIC(-1.), BARRIER_MIN(0.1), BARRIER_MAX(2.0), weightFixed(1000.),
      weightFree (1.), nbLayers (6) , dim(3) , itMax(300), onlyVisible(true),
      distanceFactor(12), fixBndNodes(false), strategy(0), maxAdaptBlob(3),
      adaptBlobLayerFact(2.), adaptBlobDistFact(2.), optPrimSurfMesh(false),optCAD(false),
      optCADWeight(1000.),optCADDistMax(1.e22),discrTolerance(1.e-4)
  {
  }
};

void HighOrderMeshOptimizer(GModel *gm, OptHomParameters &p);
// distanceDefinition 1) Hausdorff 2) Area/Length 3) Frechet (not done)
double ComputeDistanceToGeometry (GEntity *ge , int distanceDefinition,double tolerance) ;

#endif