{
  "id": 121786,
  "title": "Who knows how to get the 3d-model size?",
  "url": "/competitions/pku-autonomous-driving/discussion/121786",
  "author_name": "GuoBaozi",
  "post_date": "2019-12-15T14:05:33.036000",
  "votes": 0,
  "comment_count": 0,
  "views": 0,
  "content": "<p>I notice some kernel using the 3d-model mean size: <br>\n    x_l = 1.02;\n    y_l = 0.80;\n    z_l = 2.31;\n car-3d size, I also reading some kernels to load it by ,then I didn't find some ways to output 3d-model size: car length ,width,height.</p>\n\n<p>eg:  mazida-6-2015.json : this file has 2 object: vertices and faces. What is the vertices and faces meaning?  I don't understand how to get accurate model size?</p>",
  "messages": [
    {
      "id": 695742,
      "postDate": "2019-12-15T14:05:33.037Z",
      "content": "<p>I notice some kernel using the 3d-model mean size: <br>\n    x_l = 1.02;\n    y_l = 0.80;\n    z_l = 2.31;\n car-3d size, I also reading some kernels to load it by ,then I didn't find some ways to output 3d-model size: car length ,width,height.</p>\n\n<p>eg:  mazida-6-2015.json : this file has 2 object: vertices and faces. What is the vertices and faces meaning?  I don't understand how to get accurate model size?</p>",
      "rawMarkdown": "I notice some kernel using the 3d-model mean size:    \n    x_l = 1.02;\n    y_l = 0.80;\n    z_l = 2.31;\n car-3d size, I also reading some kernels to load it by ,then I didn't find some ways to output 3d-model size: car length ,width,height.\n\neg:  mazida-6-2015.json : this file has 2 object: vertices and faces. What is the vertices and faces meaning?  I don't understand how to get accurate model size?"
    }
  ],
  "comments": [],
  "raw_markdown_by_id": {
    "695742": "I notice some kernel using the 3d-model mean size:    \n    x_l = 1.02;\n    y_l = 0.80;\n    z_l = 2.31;\n car-3d size, I also reading some kernels to load it by ,then I didn't find some ways to output 3d-model size: car length ,width,height.\n\neg:  mazida-6-2015.json : this file has 2 object: vertices and faces. What is the vertices and faces meaning?  I don't understand how to get accurate model size?"
  }
}