glBegin( GL_TRIANGLES );
glNormal3d( 0.0, 0.0, -1.0 );
glVertex3d( vertices[ (j+0)*2+0 ] * sBase, vertices[ (j+0)*2+1 ] * sBase, 0 );
glBegin( GL_TRIANGLES );
glNormal3d( 0.0, 0.0, -1.0 );
glVertex3d( vertices[ (j+0)*2+0 ] * sBase, vertices[ (j+0)*2+1 ] * sBase, 0 );