How to Map Onto Moving Surfaces
Techniques for projection mapping onto moving or rotating surfaces. Handle dynamic projection targets.
Mapping onto moving surfaces presents unique challenges. Learn techniques for handling rotating, sliding, or otherwise dynamic projection targets.
Understanding the Challenge
Moving surfaces require either tracking the movement or creating content that works regardless of position. The approach depends on your specific situation.
Static Content Approach
Design for Movement: Create content that looks good from multiple angles or positions. Abstract patterns and shaders often work better than specific imagery.
Large Coverage Area: Map a larger area than the surface occupies, so content remains visible as the surface moves.
Looping Content: Use seamless, looping content that doesn't have a clear beginning or end.
Tracking Approaches
Manual Tracking: For slow, predictable movement, manually adjust surfaces in real-time. This requires practice and a dedicated operator.
Pre-Programmed Movement: If movement is predictable, create multiple surface positions and switch between them at the right times.
Sensor-Based Tracking: Use motion sensors or encoders to track surface position, then adjust projections accordingly (requires custom integration).
Practical Tips
- Test with the actual moving surface before your event
- Consider the speed of movement—very fast movement may blur
- Use high-brightness projectors to maintain visibility during movement
- Design content that's forgiving of slight misalignment
Map Club's real-time warping capabilities make it possible to adjust surfaces manually for slow-moving targets. For complex tracking, you may need additional hardware or software integration.