Napa County Aerial Imagery 2002
收藏资源简介:
This tiled imagery service represents a snapshot of the land surface within Napa County and is made available for public use. The tile cache scheme follows the ArcGIS Online Model and can viewed down to ~1:283 scale. A hard copy of this data is also available directly from the GIS Team. For more information, contact gisstaff@countyofnapa.org. Date(s) of photography: April 22-23, 2002 Scale of photography: 1:24,000 (1" = 2,000') Number of flight lines: 19 Number of photos: 471 Overlap: 60% Sidelap: 30% Camera type: Wild RC30 Camera/lens serial number: 13302 Calibrated focal length: 153.670 mm Film type: Color For questions regarding use and access, please contact gisstaff@countyofnapa.org.
本瓦片影像服务呈现纳帕县(Napa County)范围内的地表快照,面向公众开放使用。该瓦片缓存方案遵循ArcGIS Online(ArcGIS在线)模式,可支持浏览至约1:283的比例尺。用户也可直接向GIS团队获取该数据的纸质副本。如需获取更多信息,请发送邮件至gisstaff@countyofnapa.org。 摄影日期:2002年4月22日至23日 摄影比例尺:1:24,000(1英寸=2000英尺) 飞行航线数量:19条 拍摄照片数量:471张 航向重叠度:60% 旁向重叠度:30% 相机型号:Wild RC30 相机/镜头序列号:13302 校准焦距:153.670毫米 胶片类型:彩色胶片 若需咨询数据使用与获取相关问题,请发送邮件至gisstaff@countyofnapa.org。



