A Direct Manipulation Interface for Geographical Information Processing
نویسندگان
چکیده
Today the processing and analysis of geographical information is complicated by an increasing volume of information. We present a system to directly manipulate geographical data by using object-oriented approaches and graphic user interface (GUI) design. The study concentrates on vector data and overlay operations. A case study has been conducted by using this system for potential site selection in the Ellington, Connecticut area. The GUI design of the system uses icons to represent the geographical data and their operations. Object-oriented approaches are adopted in establishing a knowledge-based GIS system. This study suggests that the next generation of GIS user interfaces should provide an intelligent agent to assist users to search, query and operate on data.
منابع مشابه
Direct Manipulation Interface Techniques for Users Interacting with Software Agents
In this paper we provide an overview of our research investigating what functionality should be provided to users of a future Joint Battlespace Infosphere (JBI). We characterize and discuss the development of the JBI as a new form of automation that employs intelligent agents to autonomously seek, retrieve, and fuse information We believe that the development of new types of direct manipulation...
متن کاملGTOPO30 Map Generator:
Geographical information systems, particularly one intended to provide high resolution spatial data on the web, require specific methods in user interface design and data processing. These methods should support both a quick visual display of the geographic area of interest and the navigation and orientation inside the virtual environment with little cognitive effort. On the other hand the typi...
متن کاملDirect Manipulation Interfaces
Direct manipulation has been lauded as a good form of interface design, and some interfaces that have this property have been well received by users. In this article we seek a cognitive account of both the advantages and disadvantages of direct manipulation interfaces. We identify two underlying phenomena that give rise to the feeling of directness. One deals with the information processing dis...
متن کاملProcessing Incremental Multidimensional Range Queries in a Direct Manipulation Visual Query Environment
We have developed a MultiMedia Visual Information Seeking (MMVIS) Environment that is the first system to support an integrated approach to the direct manipulation specification of temporal queries and the browsing of temporal relationship results. In this paper we address the optimization of queries specified via our direct manipulation visual query interface. Queries in MMVIS are multidimensi...
متن کاملMultimodal Database Query
The paper proposes a multimodal interface for a real sales database application. We show how natural language processing may be integrated with a visual, direct manipulation method of database query, to produce a user interface which supports a flexible form of query specification, provides implicit guidance about the coverage of the linguistic component, and allows more focused discourse refer...
متن کامل