NC Orthoimagery 2016-2019

NOTE: DO NOT DOWNLOAD THE IMAGERY BY USING THE MAP OR DOWNLOAD TOOLS ON THIS ARCGIS HUB ITEM PAGE. IT WILL RESULT IN A PIXELATED ORTHOIMAGE. INSTEAD, DOWNLOAD THE IMAGERY BY TILE OR BY COUNTY MOSAIC (2010 - current year). 2016-2019 project areas The NC Orthoimagery Program collects and produces 6-inch (15cm) orthoimagery on a 4-year cycle. Approximately a quarter of the state is flown each year to develop streaming imagery services, 5,000' by 5,000' tiles, and compressed single-file county mosaics. Beginning in 2020, the State started collecting a fourth band (near infrared) of imagery which, when combined with the other 3 bands of red, green, and blue, opens new possibilities for exploration and analysis. This service contains 3-band, natural color imagery collected by the NC Orthoimagery Program for any given area of North Carolina between 2016 and 2019. The imagery has a pixel resolution of 6 inches with an RMSE of 1.0 ft X and Y. Individual pixel values may have been altered during image processing. Therefore, this service should be used for general reference and viewing. Image analysis requiring examination of individual pixel values is discouraged. This data is also available as a WMS service. To find specific dates the images were captured use the imagery dates app or download the data. Viewing the latest imagery Several web services are also available that depict the latest imagery for any location in the state. These support general viewing and raster analysis and are offered in various protocols including Esri (e.g. REST, SOAP) and OGC (e.g., WMS, WFS, WCS). These can be found by searching using the terms "orthoimagery" and "latest." To help determine which is most suitable, refer to this guide.注意：请勿通过此ArcGIS Hub项目页面中的地图或下载工具下载影像，此举将生成像素化的正射影像（orthoimagery）。请改用分幅瓦片或按县拼接的影像（2010年-当前年份）进行下载。 本数据集覆盖2016-2019年项目区域：北卡罗来纳州正射影像项目（NC Orthoimagery Program）以四年为周期采集并制作6英寸（15厘米）分辨率的正射影像。该州每年将完成约四分之一区域的航摄作业，以搭建流式影像服务、生成5000英尺×5000英尺的分幅瓦片，以及压缩后的单文件县域拼接影像。 自2020年起，该项目新增采集近红外波段的影像，将其与原有的红、绿、蓝三个波段结合后，可为影像探索与分析提供全新的可能性。 本服务包含北卡罗来纳州2016年至2019年间任意区域的3波段自然色正射影像，像素分辨率为6英寸，X、Y方向的均方根误差（RMSE）为1.0英尺。单个像素值可能在图像处理过程中发生变更，因此本服务仅适用于通用参考与浏览，不建议开展需要检视单个像素值的影像分析工作。该数据也可通过WMS服务获取。若需查询影像拍摄的具体日期，可使用影像日期应用程序或下载对应数据。 最新影像浏览：另有多个Web服务可展示该州任意地点的最新正射影像，支持通用浏览与栅格分析，提供包括Esri协议（如REST、SOAP）及OGC协议（如WMS、WFS、WCS）在内的多种接口。可通过搜索“正射影像”与“最新”关键词查找此类服务，如需选择适配的服务，可参考本指南。