Hilltop Arboretum Landform Dataset for GRASS GIS

<strong>Hilltop Arboretum Dataset for GRASS GIS</strong> This geospatial dataset contains raster data for the landform at Hilltop Arboretum, Baton Rouge, Louisiana, USA. This data was collected in an aerial survey with a DJI Phantom 4 Pro drone over Hilltop Arboretum on 12/31/2019 by Brendan Harmon and Josef Horacek. The aerial photographs were processed in Agisoft Metashape using Structure from Motion (SfM) to generate a point cloud, orthophotograph, and digital surface model. The point cloud was processed in CloudCompare to generate a bare earth point cloud. The orthophoto, digital surface model, and bare earth point cloud were imported into GRASS GIS. The bare earth point cloud was interpolated as a digital elevation model using the Regularized Spline with Tension method. The top level directory <em>lousiana_s_spm_hilltop</em> is a GRASS GIS location for the North American Datum of 1983 (NAD 83) / Louisiana South State Plane Meters with EPSG code 26982. Inside the location there are the PERMANENT mapset, a license file, and readme file. <strong>Survey</strong> Location: LSU Hilltop Arboretum, Baton Rouge, Louisiana, USA. Drone: DJI Phantom 4 Pro Software: Agisoft Metashape, CloudCompare, GRASS GIS Team: Brendan Harmon and Josef Horacek Date: 12/31/2019 GCPs: 10 AeroPoints <strong>Instructions</strong><br> Install GRASS GIS, unzip this archive, and move the location into your GRASS GIS database directory. If you are new to GRASS GIS read the first time users guide. <strong>License</strong><br> This dataset is licensed under the ODC Public Domain Dedication and License 1.0 (PDDL) by Brendan Harmon.<strong>用于GRASS GIS的山顶植物园数据集</strong> 本地理空间数据集包含美国路易斯安那州巴吞鲁日市山顶植物园的地形栅格数据。该数据由Brendan Harmon与Josef Horacek于2019年12月31日，使用DJI Phantom 4 Pro无人机在山顶植物园上空开展航空测量时采集。航空影像通过Agisoft Metashape软件，采用运动恢复结构（Structure from Motion，SfM）技术进行处理，生成点云、正射影像与数字表面模型。随后在CloudCompare中对点云进行处理，生成裸地点云。将正射影像、数字表面模型与裸地点云导入GRASS GIS软件。采用张力正则化样条（Regularized Spline with Tension）方法，将裸地点云插值生成数字高程模型。顶级目录<em>lousiana_s_spm_hilltop</em>为GRASS GIS工作区，采用1983年北美大地基准面（NAD 83）/路易斯安那州南部州平面坐标系（米制），EPSG代码为26982。该工作区内包含PERMANENT地图集、许可文件与自述文件。<strong>测量信息</strong><br>地点：美国路易斯安那州巴吞鲁日市LSU山顶植物园<br>无人机：DJI Phantom 4 Pro<br>所用软件：Agisoft Metashape、CloudCompare、GRASS GIS<br>项目团队：Brendan Harmon与Josef Horacek<br>测量日期：2019年12月31日<br>地面控制点（Ground Control Points，GCPs）：10个AeroPoints控制点<br><strong>使用说明</strong><br>安装GRASS GIS软件，解压本压缩包，并将该工作区移动至你的GRASS GIS数据库目录中。若你是GRASS GIS新手，请参阅首次用户指南。<strong>许可协议</strong><br>本数据集由Brendan Harmon基于ODC公共领域奉献与许可协议1.0（ODC Public Domain Dedication and License 1.0，PDDL）进行授权。