Papers by Keyword: Three-Dimensional Visualization

Abstract: This paper converts DEM data to 3D terrain by using Direct3D technology, then, creates landslide on the 3D terrain ,and simulates landslides and mud-rock flows during the whole process in time by using Smoothed Particle Hydrodynamics methods. The landslide is abstracted to particle swarm of Direct3D in this simulation, each particle movements in the gravity, pressure and viscous force between particles and other physical forces so that implements three-dimensional and dynamic simulation of landslides and mud-rock flows. The extent of landslides and mud-rock effects is reached by estimating the real time location of particles, thus we can make early warning of the extent of landslides and mud-rock effects and provide technical support for disaster prevention and mitigation work..

Abstract: In combination landslide evaluation with three-dimensional visualization of geographic information system and using virtual reality technology to build a 3D visualization platform for landslide assessment, as a whole, it is more vivid and intuitive synthesis of landslide visualization research. Based on the design principle of the analysis on system separately from the data acquisition and processing for construction of three-dimensional model, the landslide process rehearsal, stages of disaster evaluation and other aspects of the system are analyzed and studied, which provides a powerful tool for the study and prevention of geological disaster. Moreover, it can bring significant benefits to society, economic and ecological system.

Abstract: This paper analyzes the management problem about special equipment, and puts forward the special equipment management information system which is based on 3D visualization. Then the paper analyzes and studies the 3D platform construction in-depth, and expounds design ideas of the core module of system.

Abstract: Based on the analysis of regional geology and hydrogeological conditions of Wannian mine of Fengfeng coalfield, according to field's borehole data, geological data and hydrogeological data, we use GMS software to make the three-dimensional visualization strata modeling in Wannian mine of Fengfeng coalfield. Through cutting geological model built in different directions or at different levels and rotating to different directions and different angles, the complex underground geological environment is displayed in three-dimension, which helps geologists to analyze the geological conditions and solve various geological problems.

Abstract: With the development of city, the scale of underground pipeline is always extending and to solve the problem of virtual underground pipeline generation is extremely urgent. In this paper, we will use the triangular slice to establish three-dimensional MultiPatch models. The three-dimensional vector will be used in this new modeling method of 3D visualization of underground pipeline. The method can automatically deal with elbows or straight pipe modeling problems. And we find it suitable for rapid modeling and wide range of applications through our series of test.

Abstract: With the popularization of the modern smart mobile devices and the embedded graphic program method, co-design in a mobile phone or tablet PC may be a possible technique. Although the embedded modeling software still not very commonly used, 3D graphics processing capabilities of embedded systems provided an environment for viewing 3D product model on mobile devices. In order to make the product of design and manufacture more convenient and meet market demand, the study designed a kind of co-design system software on android intelligent device. This paper is based on the use of intelligent mobile devices into a mechanical and electronic product collaborative design system.

Abstract: The incompatible data information between the various types of ventilation management software and the coal mine safety monitoring system has become a major obstacle to the mine ventilation and safety management informatization. This paper studies the synchronizing integration of the heterogeneous data between the coal mine three-dimensional visualization ventilation system and the security monitoring system, which divides the mine ventilation information into the basic information and the security monitoring real-time information, analyses the transmission characteristics of the real-time monitoring data, explores the conversion of heterogeneous data online communication, and achieves the integration of geometric parameters and various dynamic parameters for the coal mine ventilation system.

Abstract: For the characteristics of the marine environment data with multiple-formats, heterogeneous, multi-dimensional and dynamic in structure and time, this paper studies the three-dimensional visualization method of the NetCDF-based marine environment data. On the basis of comprehensive analysis the NetCDF data model in principle, data organization, scheduling methods and so on, the present study proposes NetCDF to store these data, and designs a 3D dynamic rendering model for typical marine environment data based on virtual earth, implements the dynamic representation and spatial-temporal analysis, which includes marine feature field visualization, the attributes information query and the process characteristics analysis. The practical application shows that the method of this paper can represent massive marine environment data efficiently and vividly, it provides a powerful visualization auxiliary tool for the representation of the complex ocean phenomena, spatial-temporal analysis and trend prediction.

Abstract: Three-dimensional visualization of medical imaging technology uses two-dimensional medical image sequences to reconstruct three-dimensional model, providing the physician with intuitive, comprehensive, accurate information about the focus and normal tissues, is currently a hot research field of medicine. This essay makes a comparison between the two currently popular algorithms – surface rendering algorithm and volume rendering algorithm, with its focus on the introduction of MC algorithm, meanwhile achieves the integration of three types of improved MC algorithm, completes a high-precision, high-efficiency surface rendering process based on .MFC and OpenGL technologies.