Historical Imagery 1991

Metadata\n\n\n \n \n Content\n Title\n \n \n \n Historical\n Imagery 1991\n \n \n \n \n \n Content\n Type\n \n \n \n Aerial\n Imagery\n \n \n \n \n \n Description\n \n \n \n Historical\n Aerial Photo Enhancement (HAPE) Ortho Mosaic layer for Aerial imagery\n captured in 1991.\n \n \n \n \n \n Initial\n Publication Date\n \n \n \n 00/00/1991\n \n \n \n \n \n Data\n Currency\n \n \n \n 00/00/1991\n \n \n \n \n \n Data\n Update Frequency\n \n \n \n Other\n \n \n \n \n \n Content Source\n \n \n \n Data provider files\n \n \n \n \n \n File Type\n \n \n \n Imagery\n Layer\n \n \n \n \n \n Attribution\n \n \n \n .\n \n \n \n \n \n Data Theme, Classification or Relationship\n to other Datasets\n \n \n \n NSW Imagery Theme of the Foundation Spatial\n Data Framework (FSDF)\n \n \n \n \n \n Accuracy\n \n \n \n Assessment of positional accuracy for each\n mosaic was undertaken using a 5km x 5km grid. An overall accuracy of +/- 20m\n for 95% of the 100k map sheet was targeted.\n The mosaic was assessed for positional\n accuracy at a scale of 1:10,000 using ADS 50cm imagery.\n \n \n \n \n \n Spatial\n Reference System (dataset)\n \n \n \n GDA94\n \n \n \n \n \n Spatial\n Reference System (web service)\n \n \n \n EPSG:4326\n \n \n \n \n \n WGS84\n Equivalent To\n \n \n \n GDA94\n \n \n \n \n \n Spatial Extent\n \n \n \n Full State\n \n \n \n \n \n Content Lineage\n \n \n \n \n \n \n \n Data\n Classification\n \n \n \n Unclassified\n \n \n \n \n \n Data\n Access Policy\n \n \n \n Open\n \n \n \n \n \n Data Quality\n \n \n \n .\n \n \n \n \n \n Terms and\n Conditions\n \n \n \n Creative\n Commons

元数据

内容

标题

1991年历史影像

内容类型

航空影像

描述

本数据集为针对1991年采集的航空影像制作的历史航空照片增强（Historical Aerial Photo Enhancement, HAPE）正射镶嵌图层。

首次发布日期

00/00/1991

数据时效性

00/00/1991

数据更新频率

其他

内容来源

数据提供方文件

文件类型

影像图层

归因

无

数据主题、分类或与其他数据集的关联

本数据集属于基础空间数据框架（Foundation Spatial Data Framework, FSDF）下辖的新南威尔士州（New South Wales, NSW）影像主题。

精度评估

采用5km×5km格网对每个镶嵌图层开展位置精度核验，目标为在10万比例尺图幅中95%的区域位置精度达到±20米。本次镶嵌图层的位置精度以1:10000比例尺，通过ADS 50cm分辨率影像进行评估。

数据集空间参考系统

GDA94

Web服务空间参考系统

EPSG:4326

WGS84等价于

GDA94

空间范围

全州范围

内容溯源

无详细记录

数据分类

非保密

数据访问政策

开放获取

数据质量

无详细记录

使用条款

知识共享（Creative Commons）