Point(1) = {0, 0, 0};		// a unit right-angle triangle 
Point(2) = {1, 0, 0};		// in the first quadrant
Point(3) = {0, 1, 0};		// of the xy-plane

Line(1) = {1, 2};		// floor
Line(2) = {2, 3};		// hypoteneuse
Line(3) = {3, 1};		// wall

Line Loop(4) = {1, 2, 3};
Plane Surface(5) = {4};

Field[1] = Attractor;		// distance from hypoteneuse
Field[1].EdgesList = {2};	

Field[2] = BoundaryLayer;
Field[2].IField = 1;		// element size far from wall
Field[2].hwall_n = 0.01;	// mesh size normal to the wall

Background Field = 2;
