Authors:
Goran Milutinovic
1
and
Stefan Seipel
2
Affiliations:
1
University of Gävle, Sweden
;
2
University of Gävle and Uppsala University, Sweden
Keyword(s):
GIS, Decision Making, Interactive Visualization, GISwaps.
Related
Ontology
Subjects/Areas/Topics:
Abstract Data Visualization
;
Computer Vision, Visualization and Computer Graphics
;
General Data Visualization
;
Information and Scientific Visualization
;
Interactive Visual Interfaces for Visualization
;
Spatial Data Visualization
;
Virtual Environments and Data Visualization
;
Visual Representation and Interaction
;
Visualization Applications
Abstract:
Different visualization techniques are frequently used in geospatial information systems (GIS) to support geospatial decision making. However, visualization in GIS context is usually limited to the initial phase of the decision-making process, i.e. situation analysis and problem recognition. This is partly due to the choice of methods used in GIS multi-criteria decision-making (GIS-MCDM) that usually deploy some non-interactive approach, leaving the decision maker little or no control over the calculation of overall values for the considered alternatives; the role of visualization is thus reduced to presenting the final results of the computations. The contributions of this paper are twofold. First, we introduce GISwaps, a novel, intuitive interactive method for decision making in geospatial context. The second and main contribution is an interactive visualization of the choice phase of the decision making process. The visualization allows the decision maker to explore the consequenc
es of trade-offs and costs accepted during the iterative decision process, both in terms of the abstract relation between different decision variables and in spatial context.
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