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d52b7fe7bd354488b471dad53bf078d7
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This interactive SVG map depicts Napoleon's 1812 Russian campaign, tracing the advance and retreat of his army through longitude and latitude coordinates. Blue circles mark the advance with their size encoding survivor counts, while red circles and a connecting path show the disastrous retreat, with tooltips revealing temperature and date details for each waypoint. The visualization uses `d3.csvParse` to load data, `d3.scaleLinear` and `d3.scaleSqrt` for spatial and radius scaling, `d3.line` with `curveCatmullRom` for the path, and `d3.axisBottom`/`d3.axisLeft` for coordinate axes.
AI-generated descriptionGroup,Longitude,Latitude,Survivors,Temperature_C,Date Advance,24.0,54.9,422000,, Advance,25.3,54.7,400000,, Advance,26.4,54.4,340000,, Advance,27.7,54.1,210000,, Advance,28.5,54.3,145000,, Advance,29.2,54.4,127100,, Advance,30.2,55.3,100000,, Retreat,30.2,55.3,100000,-5.0,1812-10-18 Retreat,29.2,54.4,55000,-20.0,1812-11-09 Retreat,28.5,54.3,28000,-25.0,1812-11-28 Retreat,27.7,54.1,12000,-30.0,1812-12-01 Retreat,26.4,54.4,10000,-30.0,1812-12-06 Retreat,25.3,54.7,8000,-28.0,1812-12-07 Retreat,24.0,54.9,10000,-26.0,1812-12-08