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This interactive takes 400+ events—chosen by AP editors—from the past 10 years and presents them on a continuous timeline.
Editors assigned a category-specific “priority” to each item, which is reflected by each item’s size in the timeline. Each item is clickable, bringing up an event description, full image, and photo caption.
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For the AP, I developed this section of a historical overview of the medals won at Winter Olympic Games. The chart components are placed dynamically after the data loads.
A force-directed graph was used to avoid overlapping boxes. Instead of a bounding circle around each node in the graph, I used a bounding box and computed overlap distance between pairs of boxes when relaxing the layout. This yielded a much more efficient “packing” of the items.
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The development of the new AP storm tracking interactive and its underlying map engine involved coordination with the primary data provider and research into competing storm tracking products.
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Polygon detail reduction tools developed for the project enable the map engine to animate monthly indicator data at the county level.