How It Works

Start with pictures, end with telemetry

⚙️ Usage

A simple interface guides you through configuration:

  • load calibration file to remove fisheye effect (optional)
  • Select images to process
  • Threshold sample images to tell the software what colors to look for
  • Specify the number of stripes
  • Zero out twist calculations using fixed references like spreaders

🚀 Processing

Click "Start Sail Shape Analysis" and let the software run. It takes around 30 minutes to process 7,000 photos on a typical laptop.

📊 Calculations

For every stripe detected, Sailemetry calculates:

  • Twist - Measured in degrees
  • Camber - Percentage relative to length of stripe
  • Draft Location - Percentage relative to length of stripe
  • Entry Angle - Twist for the first 5% of the stripe
  • Exit Angle - Twist for the last 5% of the stripe

📁 Outputs

Sailemetry provides two outputs:

  • CSV file - Data of all the stripe calculations
  • Annotated images - Copies of all the sail images with stripes traced and data written in top left corner of image

🔗 Integrations

The output CSV file works directly with:

Sailemetry Walkthrough

See what this looks like in action

Start analyzing your sail shape