setClipState = function (obj, enabled)
{
   if (obj)
   {
      if (obj instanceof THREE.Object3D)
      {
         obj.traverse(function (child)
         {
            if (child instanceof THREE.Mesh)
            {
               var mat = child.material;

               mat["clipping"] = enabled;
               if (enabled == true)
               {
                  mat["clippingPlanes"] = cmworld.clipBox.localPlanes;
                  mat["clipIntersection"] = cmworld.clipBox.clipIntersection;
               }
               else
               {
                  mat["clippingPlanes"] = cmworld.clipBox.hidePlanes;
                  mat["clipIntersection"] = cmworld.clipBox.clipIntersection;
               }

               mat.needsUpdate = true;
               child.needsUpdate = true;
            }
         });
      }
   }
}

createCube3DLayer = function ()
{
   undergroundCubeLayer = cmworld.addCube3DLayer("underground", "http://demo.cmworld.net/cube3d/cbr/{z}/{y}/{x}/{y}_{x}_{f}.cbr", 0, 14, -10, 10000, 4194304, "raster", "cbr");

   undergroundCubeLayer.renderFrame = true;
   undergroundCubeLayer.renderOnlyFrame = false;
    
   undergroundCubeLayer.pointColors[21] = new THREE.Color(0x6fBF44);
   undergroundCubeLayer.pointColors[22] = new THREE.Color(0x54272A);
   undergroundCubeLayer.pointColors[23] = new THREE.Color(0x578700);
   undergroundCubeLayer.pointColors[24] = new THREE.Color(0xB97536);
   undergroundCubeLayer.pointColors[25] = new THREE.Color(0xBF9C86);
   undergroundCubeLayer.pointColors[26] = new THREE.Color(0x6C5E5B);

   // 사용자 객체를 만들자
   var geo = new THREE.SphereGeometry(0.01);
   var material = new THREE.MeshBasicMaterial({ color: 0xff0000 });
   var mesh = new THREE.Mesh(geo, material);
   mesh.frustumCulled = false;

   clippingcenter = new CMWORLD.UserObject("center", mesh, new THREE.Vector3(127.06125831338251, 37.4740406463569, 60), null);
   userLayer.add(clippingcenter);

   //undergroundCubeLayer.addTargetCamera("camera", 14, 100);
   undergroundCubeLayer.addTargetObject("center", clippingcenter, 14, 200);


   undergroundTarget = undergroundCubeLayer.targetObject["center"];

   /*
   지표 = 0

   하늘 = 1

   바다 = -2

   땅속 = 21 ~ 26
   */
}