Iterative practices are standard for visualization and user interface design, demonstrating impressive benefits in both usability and effectiveness. Iterative design is particularly applicable to user-centered design approaches (like Cognitive Systems Engineering)
The Charles River Analytics Solution
To help display designers present mature capabilities more quickly, Charles River's scientists and engineers created DRIVE. DRIVE supports the steps of the iterative design process, which typically include:
Analysis - Initial requirements are assessed, or feedback from the previous evaluation is collated and distilled into additional requirements
Design - Requirements are translated into mockups or detailed descriptions of visualizations
Development - Design concepts are translated into reality through engineering
Evaluation - Physical artifacts are evaluated using a variety of techniques, including heuristic analyses and cognitive walkthroughs
Many tools support the steps in the iterative design process; however, they do not support the rapid execution of all the steps. Charles River structured DRIVE based on the relationships between underlying information and the visual techniques used to represent that information, which makes specifying those relationships lightweight and easy to replace. While the visual elements that compose these relationships are drawn from a collection of techniques, they are not components—instead, they are represented as a series of transformations upon a base object, such as an icon, a geospatial region, a line on a graph, or a network node or link. An ontological structure is also provided as a foundation for the necessary information architecture. This ontology defines the relevant information in the domain that may be represented, and each element of the ontology can be mapped to different visual techniques.
DRIVE enables rapid prototyping and development. DRIVE’s core architecture allows rapidly configurable “mappings”
DRIVE can be used by display designers and developers to quickly generate complex visualizations of both information and associated meta-information, such as uncertainty, pedigree, value, or relevance. DRIVE can generate new visualization designs, implement those designs using different graphics packages, integrate them within an application framework, and evaluate them in user tests-all faster than with standard visualization tools.
DRIVE is useful in a wide variety of markets that require geospatial visualizations, including law enforcement, military command and control, military intelligence, consumer geoservices, traffic management, urban planning, business intelligence, and environmental studies. It can create visualizations for client-side/
For more information on DRIVE or other products, visit www.cra.com.
About Charles River Analytics: Since 1983, Charles River Analytics has been applying computational intelligence technologies to develop mission-relevant tools and solutions to transform our customers' data into knowledge that drives accurate assessment and robust decision-making. Charles River continues to grow its technology, customer base, and strategic alliances through research and development programs for the DoD and the Intelligence Community, addressing a broad spectrum of mission areas and functional domains, including: sensor and image processing, situation assessment and decision aiding, human systems integration, and cyber analytics. These efforts have resulted in a series of successful products that support continued growth in our core R&D contracting business, as well as the commercial sector.