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Research on Virtual Experiment Components Modeling

Author: YuXingBin
Tutor: PanRongJiang
School: Shandong University
Course: Computer Software and Theory
Keywords: Virtual experiments Virtual experiments member Color quantization Vectorization Contour tracing
CLC: TP391.9
Type: Master's thesis
Year: 2011
Downloads: 42
Quote: 0
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Abstract


Virtual experiment is an important application of virtual reality technology in the field of education. Virtual experiment through various experiments in the teaching of computer, network devices, such as analog. Virtual experiments can compensate for the lack of teaching equipment, is an important means of auxiliary teaching. Promotion of virtual experiments can reduce the cost of teaching to stimulate students' interest in learning, and develop the abilities of students. The virtual experiments member is the basis of the design of virtual experiments. This paper introduces a modeling method of virtual experiments member own virtual experiments member data representation and modeling methods, and our modeling method based on the development of interactive virtual experimental component design software. The main research content and contribution includes the following aspects: First, we propose a virtual experimental data member representation. Visual information, virtual experiments member data considered virtual experiments member function, multi-state information. The virtual experimental component of the data based on the SVG standard to ensure the completeness of the the virtual experimental component description format. The virtual experimental component of the data based vector graphics standard, the components in the zoom in or out without distortion. The virtual experiments member, the of virtual experiments member data model provides for virtual experiments member design a uniform standard, different virtual experiment scene can invoke the use of the standard design to improve the software reusability. Then, we propose a modeling method for image-based virtual experiments member. To collecting experimental component of the image with a digital camera, and then use the experimental component segmentation algorithm extracted image prospects, octree color quantization algorithm for color quantization of images, the last image layered track profile curve of each layer , output SVG vector format. After the visual information of of virtual experiments member using the above method, to add the virtual experiments member function information and multi-state information. In the part of the text, we improved the original octree-based image vectorization algorithm to improve the effect of the output vector, in the case do not increase the size of the output file. Finally, we have developed a virtual experimental component design software. The software framework based on the the QT scene view mode. Draw the appearance of virtual experiments member using the software, the user first, and then add the the virtual experiments member function, multi-state information to complete the design of virtual experiments member.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Computer simulation
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