Geography Reference
In-Depth Information
Fig. 18.7
Four climate variables displayed in four windows
the extracted data. To address the challenge brought by this demand, we need an
intuitive interface to select the AOI(s), a high performance algorithm to extract the
required dataset from the big data repository, on-the-fly visualization algorithm to
render the extracted dataset as an image.
It is relatively easy to implement the previous four steps in a desktop application
environment. In the Web-based environment, which is more prevalent in the WWW
era, more research are needed for improving efficiency of performance, user
interactivity and the data communication between the server and client side.
18.5.1.5
Visual Analytics
Rather than visualizing the general patterns hidden in data, scientists may need
visual analytics which allow them to make data comparison in a intuitive way.
Usually, analyses of results are represented as numerical data. However, humans
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