2018 Aerial Imagery (True Ortho)

Aerial image (true ortho) mosaic of the City of Melbourne municipal area. The true ortho image has been corrected to provide a true ‘top down’ view of the city, removing building lean and other interference typically found in oblique aerial imagery.The aerial image was captured May 2018 and is available for download in georeferenced (JPEG2000) and formats (JPEG).Capture Information- - Capture Date: May 2018- - Capture Pixel Size: 7.5cm ground sample distance- - Map Projection: MGA Zone 55 (MGA55) - - Spatial Accuracy (XYZ) Supplied survey control used for control (Madigan Surveying) – 25 cm absolute accuracyLimitations; Whilst every effort is made to provide the data as accurate as possible, the content may not be free from errors, omissions or defects.Preview image:See an example image showing the data quality of the aerial.Download:Download the aerial image data as a zipped .jpg2000 file (4GB).本数据集为墨尔本市政辖区的真实正射影像（true ortho）镶嵌图。该真实正射影像已完成校正处理，可呈现城市真实的「自上而下」俯瞰视角，消除了倾斜航空影像中常见的建筑倾斜及其他干扰因素。本影像采集于2018年5月，支持地理参考格式（JPEG2000）与JPEG格式下载获取。 采集信息： - 采集日期：2018年5月 - 地面采样距离：7.5厘米 - 地图投影：MGA第55带（MGA Zone 55，简称MGA55） - 空间（XYZ）精度：本次影像所采用的测量控制基准由Madigan Surveying提供，绝对精度为25厘米。 局限性说明：尽管已尽最大努力保障数据精度，但本数据内容仍可能存在错误、遗漏或缺陷。 预览图像：可查看示例图像以了解本影像的数据质量。 下载：可下载打包为ZIP格式的JPEG2000影像文件（文件大小为4GB）。