{
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  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
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   "source": [
    "from k3d import K3D\n",
    "from ipywidgets import interact, IntSlider\n",
    "\n",
    "width = height = length = 3\n",
    "\n",
    "color_map = (0xFF0000, 0x00FF00)\n",
    "voxels = (1,) * width * height * length\n",
    "obj = K3D.voxels(voxels, color_map, width=width, height=height, length=length)\n",
    "\n",
    "plot = K3D(voxel_paint_color=2)\n",
    "plot += obj\n",
    "\n",
    "@interact(color=IntSlider(value=plot.voxel_paint_color, min=0, max=len(color_map)))\n",
    "def color(color):\n",
    "    plot.voxel_paint_color = color\n",
    "\n",
    "plot.display()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "obj.voxels.flatten()  # initial data"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Edit object (add/remove some voxels)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "obj.fetch_data()  # this is an async operation"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "obj.voxels.flatten()  # updated data"
   ]
  }
 ],
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