Experimental Projection Lab

Redefine the Equator

Tilt the equator on the globe and see Mercator stretch the world in new directions.

Follow the author

Mercator projection

The map recalculates the moment the equator tilts. Watch how the same world stretches in new directions.

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3D Earth

Drag the red handle to tilt the equator. Drag the globe to spin.

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Equator handle0.0deg / 0.0deg
New north pole0.0deg / 90.0degN

Country settings

Choose which countries to highlight, then drag them to see how a tilted equator reshapes the Mercator projection.

Draggable set
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Selected countries
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Tip: Antarctica is selected by default here because its distortion is dramatic near the poles.