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1. The workflow demonstrated in this video uses ready-to-use LIDAR point cloud data, in that the  data has already undergone all of the LIDAR pre-processing steps up to point cloud classification. If  you have raw LIDAR or pre-classified LIDAR point clouds, I suggest you do the pre-processing and  point cloud classification first; there are many software programs that can do that. I also made one  video about it; just check my Agisoft Metashape Playlist. 2. I am using ready-to-use LIDAR data from the USGS LIDAR 3DEP Portal at this URL:  https://apps.nationalmap.gov/lidar-explorer/#/; the data is available for free and no registration is  needed. Highly recommended data source for learning purposes. 3. I am using ArcGIS Pro with an Advanced License and the 3D Analyst Extension for ArcGIS Pro; if  you don't have these prerequisites, I am afraid you wouldn't be able to practice the workflow I  demonstrated in this video.

How to load and stream OpenstreetMap 3D building data in ArcGIS Pro to support 3D GIS or Digital Twin projects. 

How to convert BIM Files in Revit RVT or IFC format to geospatial GIS Format such as Shapefile or Geodatabase using ArcGIS Pro Software. 

How to export 3D GIS Data model generated from UAV photos or satellite imagery in Agisoft Metashape to ArcGIS Online for online 3D WebGIS or 3D Web Mapping. 

How to create and digitize 3D vector geospatial data (line or polygons) in based on photogrammetric processing results in Agisoft Metashape.

How to visualize water-body features to be close-to-reality (water body has reflections and animated ripples) in 3D view. This technique would be very useful for 3D GIS visualization and digital twin creation. 

How to realistically visualize Tree and Vegetation in 3D Mode using ArcGIS Pro. You can use point data mode or polygon data mode for this kind of visualization.  Collection of ESRI pre-made Rule Package file (RPK) for your 3D Modeling: https://www.arcgis.com/home/search.html?q=RPK

How to generate 3D texturization and realistic visualization in ArcGIS Pro using Open Street Map Building Data. Stay tuned for more tips and tricks about how to display geospatial data in 3D realistic mode, to reach the geospatial digital twin.

How to build 3D GIS and Geospatial Data from Level of Detail 0 (polygon) to Level of Detail 1 (extrude model and multipatch) using ortho imagery and digital elevation raster obtained from UAV / Drone Photogrammetric Processing.