{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "import k3d\n",
    "import vtk\n",
    "import numpy as np\n",
    "from k3d.helpers import download\n",
    "from pyunpack import Archive\n",
    "import ipywidgets as widgets\n",
    "\n",
    "filename = download('https://github.com/To-Fujita/Babylon.js_3D_Graphics/raw/master/scenes/stl/Cute%20Darth%20Vader.stl')\n",
    "\n",
    "reader = vtk.vtkSTLReader()\n",
    "reader.SetFileName(filename)\n",
    "reader.Update()\n",
    "\n",
    "qualityFilter = vtk.vtkMeshQuality()\n",
    "qualityFilter.SetInputData(reader.GetOutput()) \n",
    "qualityFilter.SetTriangleQualityMeasureToArea()\n",
    "qualityFilter.SetQuadQualityMeasureToArea()\n",
    "qualityFilter.Update()\n",
    "\n",
    "plot = k3d.plot()\n",
    "plot += k3d.vtk_poly_data(qualityFilter.GetOutput(), cell_color_attribute=('Quality', 0.0, 0.83))\n",
    "plot.display()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "plot.camera = [95.27, 101.43, 224.85,\n",
    " 53.44, 93.47, 46.74,\n",
    " 0.0, 1.0, 0.0]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "plot.objects[0].triangles_attribute.shape, plot.objects[0].indices.shape, "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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