"viewshed" meaning in English

{
  "etymology_text": "Modelled on watershed, with view. Compare foodshed.",
  "forms": [
    {
      "form": "viewsheds",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "viewshed (plural viewsheds)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Geography",
          "orig": "en:Geography",
          "parents": [
            "Earth sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1989, Stanley Aronoff, Geographic Information Systems:",
          "text": "The viewshed is the area that can be \"seen\" (ie is in direct line-of-sight) from the specified target locations.",
          "type": "quote"
        },
        {
          "ref": "1999, Bruce M Gittings, Integrating Information Infrastructures with Geographical Information:",
          "text": "Whilst the viewshed quantifies visibility for a limited set of test locations...",
          "type": "quote"
        },
        {
          "ref": "2000, Matthew Schmidt, Radiocarbon Dating New Zealand Prehistory Using Marine Shell:",
          "text": "The major shortcoming of viewshed analysis is the accuracy of the results.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The view from a particular vantage point."
      ],
      "id": "en-viewshed-en-noun-fYR8qQF3",
      "links": [
        [
          "geography",
          "geography"
        ],
        [
          "view",
          "view"
        ],
        [
          "vantage point",
          "vantage point"
        ]
      ],
      "raw_glosses": [
        "(geography) The view from a particular vantage point."
      ],
      "topics": [
        "geography",
        "natural-sciences"
      ],
      "wikipedia": [
        "viewshed"
      ]
    }
  ],
  "word": "viewshed"
}

{
  "etymology_text": "Modelled on watershed, with view. Compare foodshed.",
  "forms": [
    {
      "form": "viewsheds",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "viewshed (plural viewsheds)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned",
        "en:Geography"
      ],
      "examples": [
        {
          "ref": "1989, Stanley Aronoff, Geographic Information Systems:",
          "text": "The viewshed is the area that can be \"seen\" (ie is in direct line-of-sight) from the specified target locations.",
          "type": "quote"
        },
        {
          "ref": "1999, Bruce M Gittings, Integrating Information Infrastructures with Geographical Information:",
          "text": "Whilst the viewshed quantifies visibility for a limited set of test locations...",
          "type": "quote"
        },
        {
          "ref": "2000, Matthew Schmidt, Radiocarbon Dating New Zealand Prehistory Using Marine Shell:",
          "text": "The major shortcoming of viewshed analysis is the accuracy of the results.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The view from a particular vantage point."
      ],
      "links": [
        [
          "geography",
          "geography"
        ],
        [
          "view",
          "view"
        ],
        [
          "vantage point",
          "vantage point"
        ]
      ],
      "raw_glosses": [
        "(geography) The view from a particular vantage point."
      ],
      "topics": [
        "geography",
        "natural-sciences"
      ],
      "wikipedia": [
        "viewshed"
      ]
    }
  ],
  "word": "viewshed"
}