Canvas Scaling and Coordinate Rotation Tool

Scale: 1.00x | Coordinates: (0, 0)

File Operations

Rotation Center

Rotation Settings

Operation Tools

Legend

Usage Instructions:

  • Upload a JSON file containing polygon coordinate data
  • Use mouse wheel to zoom (centered at mouse position)
  • Hold and drag mouse to pan the canvas
  • Set rotation center and angle then click "Apply Rotation"
  • Click "Convert to Rectangles" to convert rotated areas to bounding rectangles
  • Click "Reset View" to restore initial zoom and pan
Operation completed successfully!