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Method and device for visualization of layering data

A technology of hierarchical data and equipment, applied in the field of information visualization, it can solve the problems that edge data cannot be clearly viewed, cannot be viewed by users, and the space utilization rate is low.

Active Publication Date: 2013-04-17
BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although the radial ring solves the problem that the tree diagram cannot display the hierarchical relationship, it creates new problems: low space utilization and edge data cannot be clearly viewed
In addition, when the amount of data increases, due to the limitation of the display screen space, the outer ring has been blurred after fan-shaped division, and cannot be viewed by users

Method used

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  • Method and device for visualization of layering data
  • Method and device for visualization of layering data
  • Method and device for visualization of layering data

Examples

Experimental program
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Effect test

Embodiment 1

[0127] The visualization method of the present invention will be described below by taking the application in the pesticide residue detection result data as an example:

[0128] The results table of pesticide residue testing contains a lot of information, such as: sample name, sample classification, sample number, sampling time, sampling location (including sampling area, province, city and district), sample source, testing items, testing method , detection minimum limit, detection maximum limit and detection results (including quantitative results and qualitative results), etc. It can be seen from the result table that the classification problem of the sampling location is a data set with a typical hierarchical structure. It is impossible to clearly and completely display the hierarchical structure and detection results to the user directly in the table. Using the general point-line classification method, When the amount of underlying data is large, it is not enough to displa...

Embodiment 2

[0136] Figure 10 An embodiment of a device for visually displaying said hierarchical data according to the present invention is given. The device consists of an input device (mouse, keyboard, stylus, etc., not shown), a data acquisition module (not shown), a data storage module (not shown), a data processing module (not shown) and an output device (mobile phone display screen, computer display screen, etc.).

[0137] The user can specifically operate the visual graphics in the device, and can click or double-click the relevant area of ​​the screen through an external mouse to achieve the purpose of interaction. The device is first operated by the input device, and the data acquisition module is responsible for reading the hierarchical data set to be processed, and stores the data in the data storage module in a tree structure. At this time, through the operation of the input device, the data processing module will read the stored Hierarchical information, the central radial...

Embodiment 3

[0139] The method and device of the present invention can also be used for visual display of product sales in online shopping;

[0140] These data include commodity sales data of different categories within a certain period of time. The root node of the data is "commodity", and the second layer of nodes is the category of commodities, which can include "food and beverage, personal care, kitchen supplies, digital communication, clothing underwear, Jewelry", the third layer is the detailed classification of commodities, food and beverages can include "casual snacks, biscuits and cakes, milk dairy products, convenient fast food" and so on, personal care can include "facial skin care, hair care, oral care , body care” and so on, the fourth layer is the specific classification of commodities, leisure snacks can include “potato chips, jelly, seaweed, dried fish” and so on, facial skin care can include “cleansing, mask, lotion, eye care "And so on, the fifth layer is the specific nam...

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Abstract

The invention discloses a method and device for visualization of layering data. The method and device includes generating a tree data structure in a data set HD according to internal layering relation, generating a fan-shaped structure through a self-adaptive radioactive ring algorithm by each node in layers lower than node threshold in the generated tree data structure, enable each node in layers higher than or equal to the node threshold in the generated tree data structure to generate a sub radioactive ring, namely a necklace ring through a necklace ring algorithm in interaction mode and mapping and displaying the radioactive ring and the necklace ring on a display plane. The method and device resolves the problem that space utilization rate of a central area in the radioactive ring is low, peripheral areas are crowd, and fan area is small and cannot be recognized by naked eyes in the existing visualization method. The method and device achieves the effect that data layering structure is shown to users to the largest extent in limited space and enables the users to obtain detail information on any layer and structure information between layers by means of interaction.

Description

technical field [0001] The invention belongs to the field of information visualization, and in particular relates to a method and equipment for visualizing large-scale hierarchical data. Background technique [0002] Information visualization aims to study the visual presentation of large-scale non-numerical information resources in the form of graphics and images. Hierarchical information visualization is an important part of information visualization. In the field of information technology and all aspects of social economy, a large number of information collections have a strict hierarchical structure, such as: commodity classification, enterprise employee organization, disk file structure, etc. With the further development of the Internet, how to visualize a large amount of hierarchical data has become an important issue in the field of visualization. In China's authorized patent 200710160532.1, International Business Machines Corporation proposed a method and device for...

Claims

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Application Information

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IPC IPC(8): G06F17/30
Inventor 陈谊巩丽伟张鑫跃孙悦红
Owner BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY
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