{
  "id": 572423,
  "title": "Are motor axes all zero-based?",
  "url": "/competitions/byu-locating-bacterial-flagellar-motors-2025/discussion/572423",
  "author_name": "",
  "post_date": "2025-04-09T13:08:23.636412500Z",
  "votes": null,
  "comment_count": 3,
  "views": 0,
  "content": "<p>That is, if the \"Motor axis 0\" is 1.0, is the motor on the first slice/jpg or the second slice/jpg?</p>\n<p>I have the same question about the x and y axes pixel counting as well.  Is the center of the first pixel (0,0) or (1,1)?</p>\n<p>Thank you.</p>",
  "messages": [
    {
      "id": "3174789",
      "postDate": "04/09/2025 13:08:23",
      "content": "<p>That is, if the \"Motor axis 0\" is 1.0, is the motor on the first slice/jpg or the second slice/jpg?</p>\n<p>I have the same question about the x and y axes pixel counting as well.  Is the center of the first pixel (0,0) or (1,1)?</p>\n<p>Thank you.</p>",
      "rawMarkdown": "That is, if the \"Motor axis 0\" is 1.0, is the motor on the first slice/jpg or the second slice/jpg?\n\nI have the same question about the x and y axes pixel counting as well.  Is the center of the first pixel (0,0) or (1,1)?\n\nThank you.",
      "votes": null
    },
    {
      "id": "3174798",
      "postDate": "04/09/2025 13:13:54",
      "content": "<p>Yes, because some of them start at 0</p>",
      "rawMarkdown": "Yes, because some of them start at 0",
      "votes": null
    },
    {
      "id": "3174846",
      "postDate": "04/09/2025 13:48:09",
      "content": "<p>Thank you for the clarification!</p>",
      "rawMarkdown": "Thank you for the clarification!",
      "votes": null
    },
    {
      "id": "3175045",
      "postDate": "04/09/2025 17:08:16",
      "content": "<pre><code>    row_id - index of the row\n    tomo_id - unique identifier of the tomogram. Some tomograms  the train  have multiple motors.\n    Motor axis  - the z-coordinate of the motor, i.e., which  it  located on\n    Motor axis  - the y-coordinate of the motor\n    Motor axis  - the x-coordinate of the motor\n    Array shape axis  - z-axis length, i.e., number of slices  the tomogram\n    Array shape axis  - y-axis length,  height of each \n    Array shape axis  - x-axis length,  width of each \n    Voxel spacing - scaling of the tomogram; angstroms per voxel\n    Number of motors - Number of motors  the tomogram. Note that each row represents a motor, so tomograms  multiple motors will have several rows to locate each motor.\n</code></pre>\n<p><code>Motor axis 0 - the z-coordinate of the motor, i.e., which slice it is located on</code></p>",
      "rawMarkdown": "```python\n\n    row_id - index of the row\n    tomo_id - unique identifier of the tomogram. Some tomograms in the train set have multiple motors.\n    Motor axis 0 - the z-coordinate of the motor, i.e., which slice it is located on\n    Motor axis 1 - the y-coordinate of the motor\n    Motor axis 2 - the x-coordinate of the motor\n    Array shape axis 0 - z-axis length, i.e., number of slices in the tomogram\n    Array shape axis 1 - y-axis length, or height of each slice\n    Array shape axis 2 - x-axis length, or width of each slice\n    Voxel spacing - scaling of the tomogram; angstroms per voxel\n    Number of motors - Number of motors in the tomogram. Note that each row represents a motor, so tomograms with multiple motors will have several rows to locate each motor.\n\n```\n` Motor axis 0 - the z-coordinate of the motor, i.e., which slice it is located on`",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 3174798,
      "author_name": "sakvaua",
      "author_url": "",
      "post_date": "04/09/2025 13:13:54",
      "content": "<p>Yes, because some of them start at 0</p>",
      "votes": null,
      "replies": [
        {
          "id": 3174846,
          "author_name": "jameschoi",
          "author_url": "",
          "post_date": "04/09/2025 13:48:09",
          "content": "<p>Thank you for the clarification!</p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 3175045,
      "author_name": "sangrampatil5150",
      "author_url": "",
      "post_date": "04/09/2025 17:08:16",
      "content": "<pre><code>    row_id - index of the row\n    tomo_id - unique identifier of the tomogram. Some tomograms  the train  have multiple motors.\n    Motor axis  - the z-coordinate of the motor, i.e., which  it  located on\n    Motor axis  - the y-coordinate of the motor\n    Motor axis  - the x-coordinate of the motor\n    Array shape axis  - z-axis length, i.e., number of slices  the tomogram\n    Array shape axis  - y-axis length,  height of each \n    Array shape axis  - x-axis length,  width of each \n    Voxel spacing - scaling of the tomogram; angstroms per voxel\n    Number of motors - Number of motors  the tomogram. Note that each row represents a motor, so tomograms  multiple motors will have several rows to locate each motor.\n</code></pre>\n<p><code>Motor axis 0 - the z-coordinate of the motor, i.e., which slice it is located on</code></p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "3174789": "That is, if the \"Motor axis 0\" is 1.0, is the motor on the first slice/jpg or the second slice/jpg?\n\nI have the same question about the x and y axes pixel counting as well.  Is the center of the first pixel (0,0) or (1,1)?\n\nThank you.",
    "3174798": "Yes, because some of them start at 0",
    "3174846": "Thank you for the clarification!",
    "3175045": "```python\n\n    row_id - index of the row\n    tomo_id - unique identifier of the tomogram. Some tomograms in the train set have multiple motors.\n    Motor axis 0 - the z-coordinate of the motor, i.e., which slice it is located on\n    Motor axis 1 - the y-coordinate of the motor\n    Motor axis 2 - the x-coordinate of the motor\n    Array shape axis 0 - z-axis length, i.e., number of slices in the tomogram\n    Array shape axis 1 - y-axis length, or height of each slice\n    Array shape axis 2 - x-axis length, or width of each slice\n    Voxel spacing - scaling of the tomogram; angstroms per voxel\n    Number of motors - Number of motors in the tomogram. Note that each row represents a motor, so tomograms with multiple motors will have several rows to locate each motor.\n\n```\n` Motor axis 0 - the z-coordinate of the motor, i.e., which slice it is located on`"
  },
  "source": "meta"
}