Title :
Spatial Text Visualization Using Automatic Typographic Maps
Author :
Afzal, Shehzad ; Maciejewski, Ross ; Jang, Yun ; Elmqvist, Niklas ; Ebert, David S.
Author_Institution :
Purdue Univ. in West Lafayette, West Lafayette, IN, USA
Abstract :
We present a method for automatically building typographic maps that merge text and spatial data into a visual representation where text alone forms the graphical features. We further show how to use this approach to visualize spatial data such as traffic density, crime rate, or demographic data. The technique accepts a vector representation of a geographic map and spatializes the textual labels in the space onto polylines and polygons based on user-defined visual attributes and constraints. Our sample implementation runs as a Web service, spatializing shape files from the OpenStreetMap project into typographic maps for any region.
Keywords :
Web services; cartography; computational geometry; data visualisation; OpenStreetMap project; Web service; automatic typographic maps; crime rate; demographic data; geographic map; graphical features; polygons; polylines; spatial data; spatial text visualization; text data; traffic density; user-defined visual attributes; visual representation; Cities and towns; Data visualization; Geospatial analysis; Rendering (computer graphics); Spatial databases; Geovisualization; label placement; spatial data; text visualization;
Journal_Title :
Visualization and Computer Graphics, IEEE Transactions on
DOI :
10.1109/TVCG.2012.264