A 3D Visual Editing Method for Small Class Boundaries

A small class boundary, three-dimensional technology, applied in image data processing, 3D image processing, instruments, etc., can solve the problem of not meeting the needs of forestry scientific research and the visual perception of managers, low efficiency, and inability to intuitively express the three-dimensional space of small class boundaries. Issues such as structure and editing process

Inactive Publication Date: 2017-05-24
RES INST OF FOREST RESOURCE INFORMATION TECHN CHINESE ACADEMY OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this indirect method can realize small class boundary editing, it is not a 3D visual editing of small class boundaries in the true sense.
At the same time, this method is inefficient and cannot intuitively represent the three-dimensional space structure and editing process of the small class boundary. It is increasingly unable to meet the visual experience needs of forestry scientific research and managers, and it is increasingly unable to adapt to the development of smart forestry.

Method used

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  • A 3D Visual Editing Method for Small Class Boundaries
  • A 3D Visual Editing Method for Small Class Boundaries
  • A 3D Visual Editing Method for Small Class Boundaries

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1: as figure 1 , figure 2 , image 3 , Figure 4 shown

[0027] A 3D visual editing method for small class borders. Aiming at the shortcomings of the lack of intuitive performance in the use of indirect methods to realize the 3D editing of small class borders and the social needs of providing this technical achievement, by constructing a 3D small class border node picking, editing and sorting algorithm, the realization The three-dimensional visual editing method of the small class border can further improve the visibility and interactivity of the small class border editing, and provide technical support for the division of forest small classes in three-dimensional space, spatial analysis and the promotion of smart forestry development.

[0028] The method of the present invention includes: three-dimensional visual movement of small class boundaries, three-dimensional visual cutting of small class boundaries, and three-dimensional visual merging of small c...

Embodiment 2

[0063] Example 2: Three-dimensional visual movement of small class boundaries;

[0064] (1) Interactively pick the boundary node entity that needs to be moved, and the color of the entity changes from red to blue, see Figure 5 Entities in black circles are shown.

[0065] (2) Use the mouse to move the selected node entity in the three-dimensional space, and the program automatically obtains its three-dimensional space coordinates in real time.

[0066] (3) Automatically run the packaged new small class boundary closed path entity sorting algorithm.

[0067] (4) Automatically draw the newly generated 3D boundary of the small class, such as Figure 6 shown.

Embodiment 3

[0068] Example 3: 3D visual cutting of small class boundaries;

[0069] (1) Interactively pick the entity at the starting point of the small class cutting line, the color of the entity changes from red to blue, see Figure 7 Indicated by the entity in the rectangle, the program automatically obtains its label.

[0070] (2) Use the mouse to create a new cutting line entity in the three-dimensional space, the entity color is blue, see Figure 7 As shown by the entities in the rectangle, the program automatically obtains the three-dimensional space coordinates of each entity in real time.

[0071] (3) Automatically run the packaged new small class boundary closed path entity sorting algorithm.

[0072] (4) Automatically draw the three-dimensional boundaries of the newly generated two sub-classes, and update the sub-class numbers, such as Figure 8 shown.

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Abstract

The invention discloses a sub-compartment boundary three-dimensional visual editing method, and belongs to the technical field of three-dimensional visual forest simulation. By building a three-dimensional sub-compartment boundary node picking, editing and sorting algorithm, sub-compartment boundary three-dimensional visual editing steps include a sub-compartment boundary three-dimensional visual moving step, a sub-compartment boundary three-dimensional visual cutting step and a sub-compartment boundary three-dimensional visual combination step, so that sub-compartment boundary editing visuality and interaction are improved. A real sub-compartment three-dimensional space structure can be reflected in a three-dimensional space and conforms to objective existence states, sub-compartment three-dimensional boundaries can be directly moved, cut and combined in an interactive and visual mode, and editing results can be rapidly and visually simulated. In addition, the method can support subsequent forest sub-compartment division visual simulation, sub-compartment three-dimensional space analysis and forest management visual simulation science and technology level improvement.

Description

technical field [0001] The invention relates to a three-dimensional visual editing method for small class boundaries, and belongs to the technical field of forest three-dimensional visual simulation. Background technique [0002] With the development of 3D simulation technology, people are more and more inclined to explore and study the methods of dealing with affairs from 3D space. In order to more intuitively explore and present the law of forest growth and succession in the three-dimensional space of the forest, the three-dimensional visualization and simulation technology of the forest came into being and developed vigorously. However, most of the existing research and achievements on forest 3D visual simulation technology focus on the construction of 3D forest scenes, forest growth and harvest, forest management and visual simulation of forest landscape changes, etc. The editor did not see detailed and systematic reports. [0003] In the real world, the small class bo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T19/20G06T15/00
Inventor 李永亮张怀清刘闽蒋娴
Owner RES INST OF FOREST RESOURCE INFORMATION TECHN CHINESE ACADEMY OF FORESTRY
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