{
  "id": 313562,
  "title": "The right Raster in the the right Lat/Long. Geotiff (.tif) Raster File Format. ",
  "url": "/competitions/geolifeclef-2022-lifeclef-2022-fgvc9/discussion/313562",
  "author_name": "Marília Prata",
  "post_date": "2022-03-17T19:58:22.398000",
  "votes": 2,
  "comment_count": 0,
  "views": 0,
  "content": "<h1>What is a GeoTIFF?</h1>\n<p>By Leah Wasser, Chris Holdgraf, Martha Morrissey</p>\n<p>\"A GeoTIFF is a standard .tif or image file format that includes additional spatial (georeferencing) information embedded in the .tif file as tags. These embedded tags are called tif tags. These tags can include the following raster metadata:\"</p>\n<p>Spatial Extent: What area does this dataset cover?</p>\n<p>Coordinate reference system: What spatial projection / coordinate reference system is used to store the data? Will it line up with other data?</p>\n<p>Resolution: The data appears to be in raster format. This means it is composed of pixels. What area on the ground does each pixel cover - i.e. What is its spatial resolution?</p>\n<p>nodata value</p>\n<p>How many layers are in the .tif file. (more on that later)</p>\n<p><a href=\"https://www.earthdatascience.org/courses/use-data-open-source-python/intro-raster-data-python/fundamentals-raster-data/intro-to-the-geotiff-file-format/\" target=\"_blank\">https://www.earthdatascience.org/courses/use-data-open-source-python/intro-raster-data-python/fundamentals-raster-data/intro-to-the-geotiff-file-format/</a></p>\n<h1>What's Raster data?</h1>\n<p>\"Raster data in GIS are matrices of discrete cells that represent features on, above or below the earth’s surface. Each cell in the raster grid is the same size, and cells are usually rectangular (in QGIS they will always be rectangular). Typical raster datasets include remote sensing data, such as aerial photography, or satellite imagery and modelled data, such as an elevation matrix.\"</p>\n<p>\"Unlike vector data, raster data typically do not have an associated database record for each cell. They are geocoded by pixel resolution and the x/y coordinate of a corner pixel of the raster layer. This allows QGIS to position the data correctly in the map canvas.\"</p>\n<p>\"QGIS makes use of georeference information inside the raster layer (e.g., GeoTiff) or in an appropriate world file to properly display the data.\"</p>\n<p><a href=\"https://docs.qgis.org/2.8/pt_BR/docs/user_manual/working_with_raster/supported_data.html\" target=\"_blank\">https://docs.qgis.org/2.8/pt_BR/docs/user_manual/working_with_raster/supported_data.html</a></p>\n<h1>The right Raster in the the right Lat/Long.</h1>\n<p>My question is: how to choose the Right Raster and join the right Latitude/Longitude.</p>\n<p>The Last time I saw that on Kaggle it was only Puerto Rico coordinates. Now we have two countries (France and USA).  </p>\n<p>Below, that's a Raster, how can I know its latitude/longitude?  That's the big deal to Species Identification.  Add the raster to the Map in its correct Lat/Long.</p>\n<p>image = '/kaggle/input/geolifeclef-2022-lifeclef-2022-fgvc9/patches-fr/04/04/10010404_altitude.tif'</p>\n<p>I hope to learn that in this competition.</p>",
  "messages": [
    {
      "id": 1727258,
      "postDate": "2022-03-17T19:58:22.400Z",
      "content": "<h1>What is a GeoTIFF?</h1>\n<p>By Leah Wasser, Chris Holdgraf, Martha Morrissey</p>\n<p>\"A GeoTIFF is a standard .tif or image file format that includes additional spatial (georeferencing) information embedded in the .tif file as tags. These embedded tags are called tif tags. These tags can include the following raster metadata:\"</p>\n<p>Spatial Extent: What area does this dataset cover?</p>\n<p>Coordinate reference system: What spatial projection / coordinate reference system is used to store the data? Will it line up with other data?</p>\n<p>Resolution: The data appears to be in raster format. This means it is composed of pixels. What area on the ground does each pixel cover - i.e. What is its spatial resolution?</p>\n<p>nodata value</p>\n<p>How many layers are in the .tif file. (more on that later)</p>\n<p><a href=\"https://www.earthdatascience.org/courses/use-data-open-source-python/intro-raster-data-python/fundamentals-raster-data/intro-to-the-geotiff-file-format/\" target=\"_blank\">https://www.earthdatascience.org/courses/use-data-open-source-python/intro-raster-data-python/fundamentals-raster-data/intro-to-the-geotiff-file-format/</a></p>\n<h1>What's Raster data?</h1>\n<p>\"Raster data in GIS are matrices of discrete cells that represent features on, above or below the earth’s surface. Each cell in the raster grid is the same size, and cells are usually rectangular (in QGIS they will always be rectangular). Typical raster datasets include remote sensing data, such as aerial photography, or satellite imagery and modelled data, such as an elevation matrix.\"</p>\n<p>\"Unlike vector data, raster data typically do not have an associated database record for each cell. They are geocoded by pixel resolution and the x/y coordinate of a corner pixel of the raster layer. This allows QGIS to position the data correctly in the map canvas.\"</p>\n<p>\"QGIS makes use of georeference information inside the raster layer (e.g., GeoTiff) or in an appropriate world file to properly display the data.\"</p>\n<p><a href=\"https://docs.qgis.org/2.8/pt_BR/docs/user_manual/working_with_raster/supported_data.html\" target=\"_blank\">https://docs.qgis.org/2.8/pt_BR/docs/user_manual/working_with_raster/supported_data.html</a></p>\n<h1>The right Raster in the the right Lat/Long.</h1>\n<p>My question is: how to choose the Right Raster and join the right Latitude/Longitude.</p>\n<p>The Last time I saw that on Kaggle it was only Puerto Rico coordinates. Now we have two countries (France and USA).  </p>\n<p>Below, that's a Raster, how can I know its latitude/longitude?  That's the big deal to Species Identification.  Add the raster to the Map in its correct Lat/Long.</p>\n<p>image = '/kaggle/input/geolifeclef-2022-lifeclef-2022-fgvc9/patches-fr/04/04/10010404_altitude.tif'</p>\n<p>I hope to learn that in this competition.</p>",
      "rawMarkdown": "#What is a GeoTIFF?\nBy Leah Wasser, Chris Holdgraf, Martha Morrissey\n\n\"A GeoTIFF is a standard .tif or image file format that includes additional spatial (georeferencing) information embedded in the .tif file as tags. These embedded tags are called tif tags. These tags can include the following raster metadata:\"\n\nSpatial Extent: What area does this dataset cover?\n\nCoordinate reference system: What spatial projection / coordinate reference system is used to store the data? Will it line up with other data?\n\nResolution: The data appears to be in raster format. This means it is composed of pixels. What area on the ground does each pixel cover - i.e. What is its spatial resolution?\n\nnodata value\n\nHow many layers are in the .tif file. (more on that later)\n\nhttps://www.earthdatascience.org/courses/use-data-open-source-python/intro-raster-data-python/fundamentals-raster-data/intro-to-the-geotiff-file-format/\n\n#What's Raster data?\n\n\"Raster data in GIS are matrices of discrete cells that represent features on, above or below the earth’s surface. Each cell in the raster grid is the same size, and cells are usually rectangular (in QGIS they will always be rectangular). Typical raster datasets include remote sensing data, such as aerial photography, or satellite imagery and modelled data, such as an elevation matrix.\"\n\n\"Unlike vector data, raster data typically do not have an associated database record for each cell. They are geocoded by pixel resolution and the x/y coordinate of a corner pixel of the raster layer. This allows QGIS to position the data correctly in the map canvas.\"\n\n\"QGIS makes use of georeference information inside the raster layer (e.g., GeoTiff) or in an appropriate world file to properly display the data.\"\n\nhttps://docs.qgis.org/2.8/pt_BR/docs/user_manual/working_with_raster/supported_data.html\n\n#The right Raster in the the right Lat/Long.\n\nMy question is: how to choose the Right Raster and join the right Latitude/Longitude.\n\nThe Last time I saw that on Kaggle it was only Puerto Rico coordinates. Now we have two countries (France and USA).  \n\nBelow, that's a Raster, how can I know its latitude/longitude?  That's the big deal to Species Identification.  Add the raster to the Map in its correct Lat/Long.\n\nimage = '/kaggle/input/geolifeclef-2022-lifeclef-2022-fgvc9/patches-fr/04/04/10010404_altitude.tif'\n\nI hope to learn that in this competition.",
      "votes": 2
    }
  ],
  "comments": [],
  "raw_markdown_by_id": {
    "1727258": "#What is a GeoTIFF?\nBy Leah Wasser, Chris Holdgraf, Martha Morrissey\n\n\"A GeoTIFF is a standard .tif or image file format that includes additional spatial (georeferencing) information embedded in the .tif file as tags. These embedded tags are called tif tags. These tags can include the following raster metadata:\"\n\nSpatial Extent: What area does this dataset cover?\n\nCoordinate reference system: What spatial projection / coordinate reference system is used to store the data? Will it line up with other data?\n\nResolution: The data appears to be in raster format. This means it is composed of pixels. What area on the ground does each pixel cover - i.e. What is its spatial resolution?\n\nnodata value\n\nHow many layers are in the .tif file. (more on that later)\n\nhttps://www.earthdatascience.org/courses/use-data-open-source-python/intro-raster-data-python/fundamentals-raster-data/intro-to-the-geotiff-file-format/\n\n#What's Raster data?\n\n\"Raster data in GIS are matrices of discrete cells that represent features on, above or below the earth’s surface. Each cell in the raster grid is the same size, and cells are usually rectangular (in QGIS they will always be rectangular). Typical raster datasets include remote sensing data, such as aerial photography, or satellite imagery and modelled data, such as an elevation matrix.\"\n\n\"Unlike vector data, raster data typically do not have an associated database record for each cell. They are geocoded by pixel resolution and the x/y coordinate of a corner pixel of the raster layer. This allows QGIS to position the data correctly in the map canvas.\"\n\n\"QGIS makes use of georeference information inside the raster layer (e.g., GeoTiff) or in an appropriate world file to properly display the data.\"\n\nhttps://docs.qgis.org/2.8/pt_BR/docs/user_manual/working_with_raster/supported_data.html\n\n#The right Raster in the the right Lat/Long.\n\nMy question is: how to choose the Right Raster and join the right Latitude/Longitude.\n\nThe Last time I saw that on Kaggle it was only Puerto Rico coordinates. Now we have two countries (France and USA).  \n\nBelow, that's a Raster, how can I know its latitude/longitude?  That's the big deal to Species Identification.  Add the raster to the Map in its correct Lat/Long.\n\nimage = '/kaggle/input/geolifeclef-2022-lifeclef-2022-fgvc9/patches-fr/04/04/10010404_altitude.tif'\n\nI hope to learn that in this competition."
  }
}