Bezier Surface Example Program

........

	gl.glMap2f( GL.GL_MAP2_VERTEX_3, 
		    0.0f, 1.0f, 3, 4, 
		    0.0f, 1.0f, 12, 4, 
		    ctrlPoints );
	gl.glEnable( GL.GL_MAP2_VERTEX_3 );


	int nbSamplePts = 10;
	gl.glMapGrid2f( nbSamplePts, 0f, 1f,
			nbSamplePts, 0f, 1f);

	gl.glEvalMesh2( GL.GL_FILL, 
			0, nbSamplePts, 
			0, nbSamplePts );

    .........