LiDAR Scanning with the CHCNAV ViLi i100: A Comprehensive Dataset with Minimal Risk

The CHCNAV ViLi i100 is a hybrid visual-LiDAR-GNSS receiver capable of combining traditional GNSS workflows with high-density LiDAR scanning. This makes it especially suitable for stockpile surveys.

According to CHCNAV’s technical specifications, the ViLi i100 offers:

• 860,000 pts/sec LiDAR capture, delivering high-density 3D data

• 360° × 90° field of view, ensuring full coverage of complex surfaces

• Centimetre-level accuracy in open sky via GNSS, with enhanced reliability in obstructed areas using CHCNAV’s multi-sensor SFix 2.0 engine

• On-board processing for immediate point cloud and volume calculation without external computers

  
  

For this project, the workflow was simple:

1. Capture the stockpile boundary using GNSS.

2. Walk the perimeter and accessible sides, allowing the LiDAR to record millions of points accurately.

3. Process the point cloud and calculate volume on the tablet, generating an instant report ready to send to the client.

   
   

This approach allowed us to avoid climbing the unstable upper sections, significantly improving safety while also collecting far more detailed data.

Side-by-Side Volume Comparison: LiDAR Wins on Accuracy

When we compared the volume produced from the GPS survey against the LiDAR-derived model, the difference was clear:

• The GPS dataset provided a usable but simplified surface, with gaps in the most complex or less accessible areas.

• The LiDAR scan delivered a complete, continuous surface model, capturing the true shape of the stockpile.

  
  

Because LiDAR data reflects every contour, void and gradient, the volume calculation was more representative of the actual material stored on site.

The enhanced accuracy, combined with improved coverage and reduced risk, made the LiDAR dataset the superior choice for this environment.

Processing Time: Immediate Results with No External Software

One of the key advantages of the ViLi i100 is its ability to process LiDAR scans directly on the controller.

On this project:

• The point cloud processed extremely quickly, far faster than expected.

• The volume report was generated on-site, allowing us to email outputs before leaving the location.

• No additional hardware or desktop processing was required.

  
  

This capability eliminates traditional bottlenecks associated with point cloud workflows and makes LiDAR a highly efficient option even for fast-turnaround jobs.

Why LiDAR Is Becoming the Preferred Method for Stockpile Measurement

This project reinforced several reasons why LiDAR scanning is rapidly becoming the standard for modern stockpile surveys:

1. Safety

Surveyors can capture complete data without climbing hazardous slopes.

2. Accuracy

High-density point clouds represent the stockpile’s true geometry far more precisely than periodic point measurements.

3. Efficiency

Walk-around capture combined with instant on-board processing dramatically reduces time on-site and in the office.

4. Repeatability

LiDAR enables consistent, reliable results across surveys for auditing, compliance, and volume tracking.

Conclusion

Our side-by-side field test demonstrated that while traditional GPS methods remain useful, LiDAR scanning with the CHCNAV ViLi i100 provides a superior combination of safety, accuracy, and efficiency, particularly on challenging or partially inaccessible stockpiles.

With rapid on-site processing and immediate deliverables, the ViLi i100 is a powerful solution for organisations looking to modernise their survey workflows and improve confidence in their volume calculations.

If you’d like help integrating LiDAR technology into your operations or want a demonstration of the ViLi i100, the PQS Tech team is always happy to assist.