taxi trajectory data records(information visualization)

Introduction: Taxi trajectory data records real‐time moving paths sampled as a series of positions associated

with vehicle attributes over urban road networks.  This data contains abundant knowledge about a city and

its citizens. Exploratory visual analytics systems are demanded to study taxi trajectories with efficient user

interaction and instant visual feedback.

Project Description: In this project, each team will implement a visual analytic system for taxi trajectory data

thatsupport data exploration and analytical reasoning with interactive visual interface. The system should help

users to conduct visual analytics tasks through interactive visualization in an iterative, exploratory process. A

startup web based prototype will be provided through the class webpage. Teams are encouraged to start from

this prototype. This prototype includes the following function:

1‐ Read taxi trajectory data (in GeoJSON format) and index it by using R‐Tree.

2‐ A Basic map view (Using Leaflet Map api).

3‐ Query the data by simply drawing a bounding shape on the map.  

4‐ A callback function to retrieve the data from the area that corresponds to the query region.  

5‐ A callback function to draw taxi trips on the map.

6‐ A callback function to clear the map.

Requirements: To complete the system, each team is required to implement at least five interactive

visualizations using the programming toolkit, D3.js. These visualizations should visualize the statistics or facts

(e.g, their distribution on different time periods) of user‐selected taxi trajectories on the map. Users should

interactively operate on these visualizations to filter the selected trajectories and show them on the map. For

instance, users may select or brush on a scatterplot or a timeline view to choose a portion of the trajectories

(e.g, in a specific time period). This portion of trajectories are to be highlighted on the map with respect to such


Evner: Visualization

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Om arbejdsgiveren:
( 0 bedømmelser ) United States

Projekt ID: #13878076

3 freelancere byder i gennemsnit $239 på dette job


Dear sir, I've read your requirement carefully. As an expert in Map and data visualization, I could be a good fit. Could you please check my most recent complete project - which implement a brand new router-finder Flere

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Hello. I am a GIS expert and Web&Mobile(iOS&Android) developer. Since 10 years before I have been developing GIS applications. I graduated GIS special education course and I have rich experiences for development Flere

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Hi, I'm looking for my first job, I’m new here but I’ve been working in the Technology area already to 7 years and I have skill with Graphical Design. Be sure I'll work so hard on your project! Thanks…

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