遇见数据集

2023 Virginia Image Dates

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APFO - USDA Online2024-02-22 更新2026-09-21 收录
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This hosted feature layer is provided by the USDA FPAC-BC-GEO and shows image acquisition dates for 2023 National Agriculture Imagery Program (NAIP) imagery for Virginia. This date index is state based and contains a polygon for each exposure used in the creation of the imagery. Click on a polygon to find out more information about any area on the image. Attribute information includes the following: IDATE - Image acquisition date SDATE - Polygon start date/time - local 24 hour clock. The start/end time will be for the collection of the individual polygon (will be the same for frame based systems) EDATE - Polygon end date/time - local 24 hour clock. The start/end time will be for the collection of the individual polygon (will be the same for frame based systems) BCON - Color type - possible values are NC (natural color), CIR (color infrared), and M4B (4-band) CAM_TYPE - Camera type (Digital or film) CAM_MAN - Camera Manufacturer CAM_MOD - Camera model HARD_FIRM - Camera HW and FW version which provides top level information specific to the camera system SENSNUM - Sensor or lens serial number AC_TYPE - Aircraft type - ICAO designation (i.e. C441 for a Cessna 441 Conquest II), airborne platforms only blank attribute for space-based systems ACTAILNUM - Aircraft tail number - airborne platforms only a blank attribute for space-based systems SHAPE_AREA - Polygon area (square meters) RED_RNGE - Red electromagnetic spectrum - spectrum range in nano meters (604-664) GREEN_RNGE - Green electromagnetic spectrum - spectrum range in nano meters (533-587) BLUE_RNGE - Blue electromagnetic spectrum - spectrum range in nano meters (420-492) NIR_RNGE - Near infrared electromagnetic spectrum - spectrum range in nano meters (683-920)

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创建时间:
2024-02-22
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