遇见数据集

LiDAR 2009 0.5 points per square meter of the Valencian Community

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Point cloud (x, y, z) generated by LiDAR in the year 2009 covering Valencian Community territory and distributed by sheets of 2x2 km extension in standard LAS classified format. Product obtained from the PNOA flight with a LiDAR sensor (1st Coverage 2008-2015), carried out during the months of August to December 2009 with a planned average density of 0.5 points per square meter, and subsequently classified automatically. Geodetic reference system ETRS89 according to UTM Projection coordinates Zone 30 North. Orthometric heights. The average precisions is around 0.30 meters in planimetry and 0.40 meters in altimetry. Download available. Contains modified data PNOA-LiDAR 2009 CC BY 4.0 www.scne.es

2009年由激光雷达(LiDAR)采集生成的点云(x、y、z坐标),覆盖巴伦西亚自治区全境,按2×2平方千米幅面分幅,采用标准分类LAS格式分发。该数据源自搭载激光雷达传感器的PNOA航空飞行任务(首次覆盖周期为2008-2015年),作业时段为2009年8月至12月,规划平均点云密度为每平方米0.5个点,后续完成自动分类处理。数据集采用基于通用横轴墨卡托(UTM)投影坐标系的1989欧洲大地参考系(ETRS89),分区为30北带,使用正高系统。其平面平均精度约为0.30米,高程平均精度约为0.40米。该数据集可提供下载服务,包含经修改的PNOA-LiDAR 2009数据,采用CC BY 4.0授权协议,数据来源网址为www.scne.es。

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