An interactive Mercator projection world map that allows you to rotate the globe under a fixed center point.
- Interactive globe rotation with mouse/trackpad
- Keyboard controls for fine positioning
- Tissot's indicatrices to show projection distortion
- Customizable grid overlay
- Responsive design
Visit the live demo at: https://clemensv.github.io/mercator
- Drag: Rotate the sphere under the crosshair
- Mouse wheel: Horizontal scrolling adjusts longitude, vertical adjusts latitude
- Arrow keys: Fine-tune positioning
- Shift key: Constrain to longitude-only movement
- Alt key: Constrain to latitude-only movement
- Reset button: Return to λ=0°, φ=0°
This repository is configured to serve the map directly via GitHub Pages. The main file index.html contains the complete visualization.