{ "id": "5a2bd050b56c44a8a68b9fce7a7591f9", "item": "Viewshed.rft.json", "itemType": "file", "owner": "esri_en", "uploaded": 1542247818000, "modified": 1542247818000, "guid": null, "name": null, "title": "Viewshed", "type": "Raster function template", "typeKeywords": [ "ArcGIS Raster Function Templates", "categoryName#SurfaceSystem_RFT", "Function Template", "Functions", "Processing", "Raster", "rft", "sourceId#ViewshedSystem_RFT", "Templates" ], "description": "The Viewshed function determines the raster surface locations visible to a set of observer features using geodesic methods