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Advanced 3D Modeling and Digital Twins
Course Introduction
Welcome To The Course (3:47)
About Your Instructor (2:03)
What You're Going to Learn in this Course (2:10)
Course Textbook
Introduction to 3D Modeling and Digital Twins
Industry Use Cases for 3D Modeling and Digital Twins (5:22)
3D Modeling vs. Traditional Mapping (4:22)
Gear & Equipment Essentials
Essential Gear & Equipment: Introduction (0:56)
Essential Cameras & Sensors (3:31)
Essential Drones (2:59)
Optional Gear: Lasers (1:13)
Additional Gear & Equipment (3:08)
Essential Software (2:35)
Flight Planning for Bridge Projects
Intro to this Section (1:15)
Flight Planning - Bridge: Auto 3D Scan. Part 1 (6:54)
Flight Planning - Bridge: Auto 3D Scan. Part 2 (4:40)
Flight Planning - Bridge: Other Options. Part 1 (8:02)
Flight Planning - Bridge: Other Options. Part 2 (7:38)
Flight Planning for Building Projects
Flight Planning - Building Envelope (5:23)
Reality Capture Fundamentals
Introduction to Reality Capture in the Field (6:25)
Setting Up Your GNSS Receiver (10:27)
Verifying Accuracy with Stakeout in the Field (9:30)
Project 1: Church Mapping: Data Capture
Intro to this Section (1:07)
Mapping a Church Site (7:03)
Flight Planning for the Church Mapping Project (17:55)
Running a 400 ft DJI Mapping Test (6:43)
Planning and Executing the 200 ft Skydio Mapping Mission. Part 1 (17:40)
Planning and Executing the 200 ft Skydio Mapping Mission. Part 2 (8:48)
Planning and Executing the 200 ft Skydio Mapping Mission. Part 3 (10:55)
Project 1: Church Mapping: Processing Drone Data
Organizing and Preparing Your Data for Processing (6:12)
Why Dewarping Ruins Drone Mapping Accuracy (3:50)
Photogrammetry Workflow & Alignment in Metashape (14:28)
Sparse Point Clouds & Interpreting Alignment Results (7:51)
Building 3D Models with Depth Maps in Metashape (11:38)
Understanding Mesh Quality & Confidence Metrics (12:25)
Comparing Mesh Versions at Different Quality Levels (8:55)
Texturing 3D Models in Metashape (12:39)
Evaluating Textured Models in Metashape (6:24)
Exporting 3D Models and Understanding File Formats (15:32)
Sharing Models with Nira (7:20)
Sharing Models with Cesium (9:12)
Working with Chunks: Organizing Multi-Flight Datasets (6:26)
Reference Frames & Metadata: Setting Up Your Project Correctly (10:23)
Reference Settings & Accuracy Inputs (9:19)
Importing Control Points from Emlid into Metashape (17:18)
Adding Skydio Datasets and Aligning Chunks (12:50)
Marking Control Points and Checkpoints in Metashape (26:04)
Re-Align vs Optimize: Camera Calibration & Update Transform in Metashape (18:30)
Generate & Read the Metashape Quality Report (plus Gradual Selection) (5:08)
Using Gradual Selection and Re-Optimization in Metashape (7:58)
Applying Control Point Workflow to the Skydio Dataset (12:27)
Project 2: Bridge Mapping: Data Capture
Intro to this Section (1:37)
Bridge Inspection Setup: Control Points, Lighting, and Mission Planning (5:23)
Setting Ground Control Points with RTK GPS (12:36)
Elevation Scanning Strategy and M400 Setup for Bridge Inspections (7:51)
RTK Setup and Slope Capture Mission Planning (15:10)
Executing a Bridge Slope Scan with the M400 (14:49)
How to Capture Bridge Details Manually (11:40)
Manual Capture and Starting the Next Slope Mission (22:04)
Why Upward Capture Matters for Bridge Inspections (2:44)
Skydio X10 Surface Capture: Setup and Workflow (8:18)
Skydio X10 Field Results and Workflow Wrap-Up (0:55)
Project 2: Bridge Mapping: Processing Drone Data
Bridge Dataset QC: Reviewing P1 Imagery & Metadata (9:32)
Metashape Setup & First Alignment (Bridge Model) (7:24)
Post-Alignment Review & Control Strategy (Bridge Set) (12:44)
Quality Control with GCPs: Exporting, Importing & Troubleshooting in Metashape (8:40)
QC & Gradual Selection: Identifying GCP Errors (6:42)
Defining a Bounding Box for Efficient Processing (4:32)
Building the Mesh: Depth Maps, Face Count & Block Size (3:24)
Cleaning Up a Mesh & Preparing for Texturing (6:03)
Finalizing a Textured Model in Metashape (9:15)
Combining Scans from Different Days: Preparing for Alignment (6:22)
Combining Skydio & M350 Datasets with Chunks and Control Points (21:26)
Merging Chunks in Metashape: Marker-Based vs Point-Based Methods (3:47)
Refining Merged Chunks with Markers & Batch Processing (14:13)
Exporting & Sharing Drone Data
Exporting 3D Models & Camera Data for Nira and Other Tools (11:10)
Sharing Models in Nira: Photos, Annotations & Reports (5:48)
Bonus Material
Using M4E with Manifold 3 for Smart 3D Explorer Missions (19:19)
Final Exam
Final Exam
Using Gradual Selection and Re-Optimization in Metashape
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