High Resolution orthophotography 2015 – Channel Department

The ORTHO HR® is a collection of digital mosaics of color orthophotographies rectified in legal projection. The ORTHO HR® product is available in TIFF (Tagged Image File Format), ECW (Enhanced Compressed Wavelet) or JPEG2000 format. The resolution is 20 cm (or less). The slabs are 1 km x 1 km (or less if it is very high resolution).ORTHO HR®是一套经法定投影校正的彩色正射影像数字镶嵌数据集。该产品提供TIFF（标记图像文件格式，Tagged Image File Format）、ECW（增强压缩小波格式，Enhanced Compressed Wavelet）以及JPEG2000三种格式。其空间分辨率为20厘米及以下。影像瓦片尺寸为1千米×1千米，超高分辨率场景下瓦片尺寸可更小。