Merge 9db68e28f21e1ca5120ffe63bfa373530dfd4f83 into a9e8f2a1c9df7363710aa6213eca608c0bcc71ec

nglib/nglib.cpp

@@ -801,6 +801,25 @@ namespace nglib
 
       check_overlap = 1;
       check_overlapping_boundary = 1;
+
+      parallel_meshing = 1;
+      nthreads = 4;
+      
+      opterrpow = 2;
+      delaunayenable = 1;
+      blockfillenable = 1;
+      blockfilldist = 0.1;
+      maxoutersteps = 10;
+      only3D_domain_nr = 0;
+      try_hexes = 0;
+
+      surfcurvfact = 2;
+      chartdistfact = 1.2;
+      edgeanglefact = 1;
+      surfmeshcurvfact = 1;
+      linelengthfact = 0.5;
+
+      stlgeom_tol_fact = 1E-6;
    }
 
 
@@ -842,6 +861,25 @@ namespace nglib
 
       check_overlap = 1;
       check_overlapping_boundary = 1;
+
+      parallel_meshing = 1;
+      nthreads = 4;
+      
+      opterrpow = 2;
+      delaunayenable = 1;
+      blockfillenable = 1;
+      blockfilldist = 0.1;
+      maxoutersteps = 10;
+      only3D_domain_nr = 0;
+      try_hexes = 0;
+
+      surfcurvfact = 2;
+      chartdistfact = 1.2;
+      edgeanglefact = 1;
+      surfmeshcurvfact = 1;
+      linelengthfact = 0.5;
+
+      stlgeom_tol_fact = 1E-6;
    }
 
 
@@ -866,6 +904,7 @@ namespace nglib
         mparam.meshsizefilename = meshsize_filename;
       else
         mparam.meshsizefilename = "";
+
       mparam.optsteps2d = optsteps_2d;
       mparam.optsteps3d = optsteps_3d;
 
@@ -874,6 +913,28 @@ namespace nglib
 
       mparam.checkoverlap = check_overlap;
       mparam.checkoverlappingboundary = check_overlapping_boundary;
+
+      mparam.parallel_meshing = parallel_meshing;
+      mparam.nthreads = nthreads;
+      
+      mparam.opterrpow = opterrpow;
+      mparam.delaunay = delaunayenable;
+      mparam.blockfill = blockfillenable;
+      mparam.filldist = blockfilldist;
+      mparam.maxoutersteps = maxoutersteps;
+      mparam.only3D_domain_nr = only3D_domain_nr;
+      mparam.try_hexes = try_hexes;
+
+      stlparam.resthsurfcurvfac = surfcurvfact;
+      stlparam.resthchartdistfac = chartdistfact;
+      stlparam.resthedgeanglefac = edgeanglefact;
+      stlparam.resthsurfmeshcurvfac = surfmeshcurvfact;
+      stlparam.resthlinelengthfac = linelengthfact;
+
+      stldoctor.geom_tol_fact = stlgeom_tol_fact;
+
+      if(closeedgeenable)
+         mparam.closeedgefac = closeedgefact;
    }
    // ------------------ End - Meshing Parameters related functions --------------------
 

nglib/nglib.h

@@ -125,6 +125,28 @@ public:
    int check_overlap;                  //!< Check for overlapping surfaces during Surface meshing
    int check_overlapping_boundary;     //!< Check for overlapping surface elements before volume meshing
 
+   // Nikhil - 29/09/2020
+   // Added a couple more parameters into the meshing parameters list
+   // from Netgen into Nglib
+   int parallel_meshing;                //!< Enable / Disable parallel meshing
+   int nthreads;                        //!< Set number of threads to use
+   
+   double opterrpow;                    //!< Set power of error (to approximate max err optimization)
+   int delaunayenable;                  //!< Enable / Disable delaunay
+   int blockfillenable;                 //!< Enable / Disable block fill
+   double blockfilldist;                //!< Enable / Disable block fill distance
+   int maxoutersteps;                   //!< Set max number of outer steps
+   int only3D_domain_nr;                //!< Select domain to perform volume meshing ignoring others. (0 => ignore none)
+   int try_hexes;                       //!< Enable / Disable hex-meshing
+
+   double surfcurvfact;                 //!< Set STL - surface curvature
+   double chartdistfact;                //!< Set STL - chart distance
+   double edgeanglefact;                //!< Set STL - edge angle
+   double surfmeshcurvfact;             //!< Set STL - surface mesh curv
+   double linelengthfact;               //!< Set STL - line length
+
+   double stlgeom_tol_fact;             //!< Set the point tolerance in STL files
+
 
    /*!
       Default constructor for the Mesh Parameters class
@@ -150,6 +172,21 @@ public:
       - #invert_trigs:0 
       - #check_overlap: 1
       - #check_overlapping_boundary: 1
+      - #parallel_meshing: 1
+      - #nthreads: 4
+      - #opterrpow: 2
+      - #delaunayenable: 1
+      - #blockfillenable = 1
+      - #blockfilldist = 0.1
+      - maxoutersteps = 10
+      - only3D_domain_nr = 0
+      - try_hexes = 0
+      - #surfcurvfact: 2
+      - #chartdistfact: 1.2
+      - #edgeanglefact: 1
+      - #surfmeshcurvfact: 1
+      - #linelengthfact: 0.5
+      - #stlgeom_tol_fact: 1E-6
    */
    NGLIB_API Ng_Meshing_Parameters();