Re-locate meshing example.

examples/meshes/area_with_hole.m

+%% Example Mesh
+% create a rectangle geometry with hole and mesh
+clear all; addpath([ '..' filesep '..' filesep ]);
+
+n = 10; % n = number of grid nodes per side
+
+% create all geo points
+gp1 = mgen.MgGeoPoint( [-1, -1] );
+gp2 = mgen.MgGeoPoint( [ 1, -1] );
+gp3 = mgen.MgGeoPoint( [ 1,  1] );
+gp4 = mgen.MgGeoPoint( [-1,  1] );
+% center point
+gcenter = mgen.MgGeoPoint([0.,0.]);
+% create all geo lines
+gl1  = mgen.MgGeoLine2Point( [gp1, gp2], n );
+gl2  = mgen.MgGeoLine2Point( [gp2, gp3], n );
+gl3  = mgen.MgGeoLine2Point( [gp3, gp4], n );
+gl4  = mgen.MgGeoLine2Point( [gp4, gp1], n );
+
+% number of ring => refine near the circle
+a = 0.4;
+b = 0.8;
+c = 0.0; % ellipse rotation angle in rad
+
+% refinement
+normFunc = mgen.MgNormFunction( mgen.MgNormFunctionType.Quadratic);
+
+% create area
+ga1  = mgen.MgGeoArea4LineEllipsoidalVoid([gl1,gl2,gl3,gl4], 10, a, b, c, normFunc);
+
+% create geo object and generate the mesh
+geo = mgen.MgGeo( [gp1, gp2, gp3, gp4], ...
+                  [gl1, gl2, gl3, gl4], ...
+                  [ga1] );
+% print geo and mesh data info
+% fprintf(geo.print());
+% plot mesh
+cla; clf;
+fig = figure(1); subplot('Position',[0.05 0.05 0.90 0.90]); axis equal; hold on;
+geo.plot();