“DD” is a smart taxi distribution system like Uber. Its data has complicated multiple dimensions, such as TPH, Deal Rate, Distance, Guided or Unguided Rate, Requests/Drivers Rate, Coordinate, Time, etc.We designed and developed the data visualization. The map area is setup at Shanghai China. Yidan:Data analysis, data visualization design, UI.Sketch, Cinema 4D. Contra:Raw data parser, data visualization development.React, WebGL, D3js, mapbox, python.