Available CSV files in ./csv_input
    Click 'Load CSV' to browse available files
    Layer
    Polygon
    Split Polygon:
    Vertices
    Layer
    Redistricting
    + Created: 0 Rem: 0
    Total Population
    Allocated Seat
    Quota
    Boundary
    Current ward
    Ward colour
    Red ▾
    Draft electorate 0
    Variance −100.00%
    Wards
    No wards saved yet.
    Measure
    Click the map to start measuring
    Click circle to remove · Drag to move · Esc to exit
    SVG Street Map
    Rotate 0°
    Scale 100%
    Offset X 0
    Offset Y 0
    Opacity 35%
    Change Population Density
    Value must be a number between 50 and 30,000.
    Select Location
    Select Type
    Split Polygon by OSM Districts
    Pan and zoom the map to position the green frame over your target area. The frame is sized to match the selected polygon's real-world dimensions.
    Data source:
    Road detail level:
    Remove vertices closer than m
    Click row to select/highlight on map
    Road tier
    Simplify
    m
    Min area
    m²
    Higher = fewer, larger districts
    No selection = apply to all
    Redistricting Rule — Population Quota
    Population Size Quota
    0 – 400,000
    400,001 – 650,000
    650,001 – 1,000,000
    1,000,000 +