A Visualization Method for Two Types of Linked Hierarchical Data

A hierarchical data and class-hierarchical technology, applied in the field of information visualization, can solve problems such as ineffective visual analysis of two types of hierarchical data, and achieve the effect of reducing visual clutter

Active Publication Date: 2017-11-17
BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY
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  • Abstract
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Problems solved by technology

[0009] Therefore, the disclosed methods for visualizing hierarchical data cannot effectively solve the visual analysis of two types of hierarchical data and their associations

Method used

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  • A Visualization Method for Two Types of Linked Hierarchical Data
  • A Visualization Method for Two Types of Linked Hierarchical Data
  • A Visualization Method for Two Types of Linked Hierarchical Data

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Embodiment Construction

[0042] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0043] The two types of associated hierarchical data in this example are the detection results of pesticide residues in vegetables in supermarkets in Tianjin, and the two hierarchical data are pesticide toxicity hierarchical data and regional relationship hierarchical data, as shown in Table 1 and Table 2, respectively. The relationship information between the two levels of data is shown in Table 3.

[0044] Table 1 Pesticide Toxicity Hierarchy Data (Pesticide Toxicity Classification Information Table)

[0045]

[0046] Table 2 Hierarchical data of regional relations (regional information table)

[0047]

[0048] Table 3 Correlation between pesticide information and regional information

[0049] geographical information

Names of pesticides detected in corresponding regions

Sm1

Pr1

Sm1

...

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Abstract

The invention belongs to the field of information visualization, and particularly relates to a visualization method of two sorts of associated hierarchical data. The visualization method is used for visualizing the associated hierarchical data. According to the visualization method, two independent hierarchical data are visualized based on a force-oriented node-link tree and based on a space filling tree of a radiation ring respectively; then nodes with incidence relation in the two trees are connected through a straight line to form a double-relevance tree. In order to reduce edge crossing and visual confusion phenomena, an invisible ring concept is introduced through a path rerouting layout optimization algorithm, and a cubic bezeir curve is used for replacing a straight line to optimize a relation edge. According to the visualization method for the two sorts of associated hierarchical data, the hierarchical relation and the incidence relation in the two sorts of hierarchical data are showed at the same time, visual confusion is effectively reduced, a user is helped to check the incidence relation between the data, and further data analysis is facilitated.

Description

technical field [0001] The invention belongs to the field of information visualization, and in particular relates to a visualization method for two types of associated hierarchical data, which is used for visualizing the associated hierarchical data. Background technique [0002] In real work and life, interrelated multi-level data widely exist in various fields such as food safety, financial information, and social networks. [0003] Hierarchical data is a set of data related to each other through hierarchical relationships. [0004] The two types of associated hierarchical data refer to two hierarchical data with an associated relationship, including: two hierarchical data and the associated relationship information between the two hierarchical data. [0005] For example, the detection data of pesticide residues in food is a two-category hierarchical data. The detection data of pesticide residues in food contains two levels of data: region and pesticide classification in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30
CPCG06F16/26G06T11/206
Inventor 陈谊张鑫跃冯玉超陈红倩
Owner BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY
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