2D to 3D Location - Blender Addon Template

Compatibility: Blender 4.2 or superior

Overview

The 2D to 3D Location addon is a powerful tool for match-moving and camera tracking in Blender. It allows you to create 3D locations from 2D screen coordinates by triangulating markers across multiple camera frames.

Main Features

1. Create Single Location

• Purpose: Track individual 3D points in space
• Key Functions: Point management, marker operations, triangulation & analysis
• Workflow: Switch to Camera View → Create new point → Add 2D markers → Triangulate → Create Empty object

2. Create Location Groups

• Purpose: Track multiple related points simultaneously
• Key Functions: Group management, group marker operations, group triangulation
• Workflow: Create new group → Enter "Create Markers" mode → Place markers → Navigate frames → Triangulate group

3. Mesh Builder

• Purpose: Generate 3D geometry from tracked points
• Data Sources: Motion Tracking, Empty objects
• Creation Modes: Plane Mode, Edge Mode, Builder Mode (Experimental)
• Workflow: Select data source → Choose creation mode → Select points → Create geometry

4. Realign Camera

• Purpose: Adjust camera positioning while maintaining tracking data
• Key Functions: Activation/deactivation, constraints detection, safety features
• Workflow: Ensure proper camera setup → Activate Realign → Reposition camera → Deactivate → Re-triangulate

Quality Assessment

1. Good (< 0.01): High accuracy triangulation
2. Acceptable (0.01-0.1): Moderate accuracy
3. Poor (> 0.1): Low accuracy, consider adding more markers

Tips for Best Results

1.   Place markers on high-contrast, easily identifiable features

2.   Spread markers across multiple frames for better triangulation

3.   Ensure sufficient camera movement between marker frames

4.   Regularly check RMS values and add more markers if accuracy is poor

5.   Create organized grid patterns for Mesh Builder

6.   Save your project before using Realign Camera mode