int      uselocalh                   ... Switch to enable / disable usage of local mesh size modifiers.
1
double   maxh		                ... Maximum global mesh size allowed.
20
double   minh		                ... Minimum global mesh size allowed.
2
double   fineness	                ... Mesh density: 0...1 (0 => coarse; 1 => fine).
0.5
double   grading                     ... Mesh grading: 0...1 (0 => uniform mesh; 1 => aggressive local grading).
0.3
double   elementsperedge	            ... Number of elements to generate per edge of the geometry.
2
double   elementspercurve	        ... Elements to generate per curvature radius.
2
int      closeedgeenable		        ... Enable / Disable mesh refinement at close edges.
0
double 	closeedgefact		        ... Factor to use for refinement at close edges (larger => finer).
2.0
int      minedgelenenable            ... Enable / Disable user defined minimum edge length for edge subdivision.
0
double   minedgelen                  ... Minimum edge length to use while subdividing the edges (default = 1e-4).
0.0001
int      second_order		        ... Generate second-order surface and volume elements.
0
int      quad_dominated		        ... Creates a Quad-dominated mesh.
0
char*    meshsize_filename           ... Optional external mesh size file.

int      optsurfmeshenable	        ... Enable / Disable automatic surface mesh optimization.
1
int      optvolmeshenable	        ... Enable / Disable automatic volume mesh optimization.
1
int      optsteps_3d			        ... Number of optimize steps to use for 3-D mesh optimization.
3
int      optsteps_2d			        ... Number of optimize steps to use for 2-D mesh optimization.
3
int      invert_tets			        ... Invert all the volume elements.
0
int      invert_trigs		        ... Invert all the surface triangle elements.
0
int      check_overlap		        ... Check for overlapping surfaces during Surface meshing.
1
int      check_overlapping_boundary	... Check for overlapping surface elements before volume meshing.
1
double   deflection	                ... Open cascade visualization deflection.
0.01