GeoCanvas is an interactive map projection explorer. Switch between more than 50 projections to see how each one reshapes the Earth, add geographic layers and design your own maps.
Ask the AI
Describe the map you want in your own words. The AI Chat switches projections, adds and colours layers and runs GIS analysis for you.
Equal-Differential Polyconic
Used for Chinese world maps since 1963, this polyconic is centred on 150°E and reduces meridian spacing by a constant step outward.
Map guides
GraticuleDraw the lines of latitude and longitude
Equator & TropicsDraw the equator, the tropics and the polar circles
Geographic layers
Add countries, lakes, terrain and other data from the layer catalogue.