Horticultural plant geometric shape modeling method and system

A technology of geometric modeling and modeling methods, applied in the field of 3D modeling, can solve problems such as no general methods and software tools

Inactive Publication Date: 2010-02-03
BEIJING RES CENT FOR INFORMATION TECH & AGRI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In terms of interactive design of horticultural plant morphology and structure, there are still no general methods and software tools.

Method used

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  • Horticultural plant geometric shape modeling method and system
  • Horticultural plant geometric shape modeling method and system
  • Horticultural plant geometric shape modeling method and system

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Embodiment Construction

[0042] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0043] Such as figure 1 As shown, the embodiment of the present invention takes cucumber and watermelon as research objects, and a kind of horticultural plant plant geometric modeling modeling method that proposes mainly carries out as follows:

[0044] 1) Geometric description and surface generation of organ modeling

[0045] Each organ of a horticultural plant has a complex morphological structure. In order to provide a universal method for the geometric representation of an organ of a horticultural plant, the idea of ​​the present invention is to use a skeleton to represent the shape of the organ, and divide the plant organ into three parts according to the morphologic...

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Abstract

The invention discloses a horticultural plant geometric shape modeling method and a system. The method comprises the steps of adopting a framework for geometric representation of a plant organ, generating a mesh curved surface model of the organ from the framework, setting feature parameters of a morphological structure of a plant, generating a three-dimensional topological structure of the plantaccording to the set feature parameters and carrying out structural and detail adjustment on the three-dimensional topological structure of the plant. According to the horticultural plant geometric shape modeling method provided by the invention, a user can set the number of nodes of the plant, the length of a main stem and other feature parameters, an initial horticultural plant three-dimensionalmodel is generated based on the feature parameters, and the user can carry out interactive adjustment on space attitude of the generated plant shape; in addition, the user can carry out fine editingon each organ, and all modification and operation can obtain real-time feedback.

Description

technical field [0001] The invention relates to the technical field of three-dimensional modeling in computer graphics, in particular to a modeling method and system for geometric modeling of horticultural plants. Background technique [0002] The simulation of natural scenery is a main branch of computer graphics. The diversity and irregularity of plant morphology makes it a great challenge to generate realistic plant models by computer. At present, the purpose of three-dimensional plant modeling mainly comes from two aspects: one is the needs of agricultural and forestry plant research, the purpose is to describe and visualize the growth and development process of real plants on the computer, emphasizing that the generated plant morphology and structure should follow the plant itself The other is just to create visually pleasing plant forms. Most of the needs in this area come from the research of graphics algorithms, as well as application fields such as landscape design...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T17/00
Inventor 陆声链赵春江郭新宇肖伯祥温维亮
Owner BEIJING RES CENT FOR INFORMATION TECH & AGRI
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