• Title, Summary, Keyword: 3D Max

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3D Contents Based Work Process Simulation Development (3D 콘텐츠 기반 작업 프로세스 시뮬레이션 개발)

  • Kim, Gui-Jung;Han, Jung-Soo
    • The Journal of the Korea Contents Association
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    • v.11 no.7
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    • pp.30-37
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    • 2011
  • In this paper we implemented 3D contents based work process simulation for 3D view contents. For this the method of 3D view technique is explained. The automobiles and PC assembly processes according to the virtual scenario showed the technique which assists workers through 3D view. Also for 3D information visualization, max script of contents modeling functions using 3D MAX was developed. The functions are designed to customize coordinate, material edit on modeling, rendering, and 3D object files with max script.

Development of a terrain model in 3D Game (3차원 게임에서의 손쉬운 지형 모델 구현 방법)

  • Park, Seok-hee;Lee, Hee-bum;Kim, Soo-Kyun;Im, Kwang-Hyuk;An, Sung-ohk
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • pp.533-534
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    • 2013
  • In computer game, terrain model is applied a nice texture to render snowy mountains and valley. Terrain model in the game, it is important role that the character plays in space. Realistic depiction of the terrain model enhances the absorption of the game. Now many terrain models are made by using lots of terrain tools. In this paper, we does not use terrain modeling tool, we use only 3D max for making terrain model easily. 3D max provides a comprehensive 3D modeling, rendering, and compositing solution for games. In this paper we create terrain models by using 3D max, also we present how to use DirectX environment.

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A compact Monopole Antenna Design for WLAN/WiMAX Triple Band Operations (WLAN/WiMAX 삼중대역에서 동작하는 모노폴 안테나의 설계)

  • Yoon, Joong-Han;Jang, Yeon-Gil;Rhee, Young-Chul
    • The Journal of the Korea institute of electronic communication sciences
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    • v.7 no.3
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    • pp.465-473
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    • 2012
  • In this study, a novel dual band planar monopole antenna for wireless local area network (WLAN)/ Worldwide Interoperability of Microwave Access (WiMAX) application was designed, fabricated, and measured. The proposed antenna consists of two hook shaped strips, an asymmetric ground plane, and a rectangular slit in the ground plane. Acceptable agreements between the measured and simulated results are achieved. Numerical and experimental results demonstrate that the proposed antenna satisfies the 10 dB impedance bandwidth requirement while covering the WLAN and WiMAX bands simultaneously. This paper also presents and discusses the 2D radiation patterns and 3D gains according to the results of the experiment that was conducted.

Quantitative Analysis of GBCA Reaction by Mol Concentration Change on MRI Sequence (MRI sequence에 따른 GBCA 몰농도별 반응에 대한 정량적 분석)

  • Jeong, Hyun Keun;Jeong, Hyun Do;Kim, Ho Chul
    • Journal of the Institute of Electronics and Information Engineers
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    • v.52 no.2
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    • pp.182-192
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    • 2015
  • In this paper, we introduce how to change the reaction rate as mol concentration when we scan enhanced MRI with GBCA(Gadolinium Based Contrast Agent), Also show the changing patterns depending on diverse MRI sequences which are made by different physical principle. For this study, we made MRI phantom ourselves. We mixed 500 mmol Gadoteridol with Saline in each 28 different containers from 500 to 0 mmol. After that, MR phantom was scanned by physically different MRI sequences which are T1 SE, T2 FLAIR, T1 FLAIR, 3D FLASH, T1 3D SPACE and 3D SPCIR in 1.5T bore. The results were as follows : *T1 Spin echo's Total SI(Signal Intensity) was 15608.7, Max peak was 1352.6 in 1 mmol. *T2 FLAIR's Total SI was 9106.4, Max peak was 0.4 1721.6 in 1 mmol. *T1 FLAIR's Total SI was 20972.5, Max peak was 1604.9 in 1 mmol. *3D FLASH's Total SI was 20924.0, Max peak was 1425.7 in 40 mmol. *3D SPACE 1mm's Total SI was 6399.0, Max peak was 528.3 in 3 mmol. *3D SPACE 5mm's Total SI was 6276.5, Max peak was 514.6 in 2 mmol. *3D SPCIR's Total SI was 1778.8, Max peak was 383.8 in 0.4 mmol. In most sequences, High signal intensity was shown in diluted lower concentration rather than high concentration, And also graph's max peak and pattern had difference value according to the each different sequence. Through this paper which have quantitative result of GBCA's reaction rate depending on sequence, We expect that practical enhanced MR protocol can be performed in clinical field.

COMPACTNESS OF A SUBSPACE OF THE ZARISKI TOPOLOGY ON SPEC(D)

  • Chang, Gyu-Whan
    • Honam Mathematical Journal
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    • v.33 no.3
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    • pp.419-424
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    • 2011
  • Let D be an integral domain, Spec(D) the set of prime ideals of D, and X a subspace of the Zariski topology on Spec(D). We show that X is compact if and only if given any ideal I of D with $I{\nsubseteq}P$ for all $P{\in}X$, there exists a finitely generated idea $J{\subseteq}I$ such that $J{\nsubseteq}P$ for all $P{\in}X$. We also prove that if D = ${\cap}_{P{\in}X}D_P$ and if * is the star-operation on D induced by X, then X is compact if and only if * $_f$-Max(D) ${\subseteq}$X. As a corollary, we have that t-Max(D) is compact and that ${\mathcal{P}}$(D) = {P${\in}$ Spec(D)$|$P is minimal over (a : b) for some a, b${\in}$D} is compact if and only if t-Max(D) ${\subseteq}\;{\mathcal{P}}$(D).

Implementation of a Smart Antenna Base Station for mobile-WiMAX (Mobile-WiMAX를 위한 스마트 안테나 기지국 구현)

  • Lee, Chang-Hoon;Choi, Seung-Won
    • Journal of the Institute of Electronics Engineers of Korea TC
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    • v.47 no.1
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    • pp.43-52
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    • 2010
  • In this paper, the mobile-WiMAX (m-WiMAX) using the Smart antenna technique is implemented. Experiments are performed to compare Smart antenna system with conventional single antenna system. To implement the m-WiMAX smart antenna system there are many considerations, key issues of which are symbol time acquisition, beamforming, calibration. In the paper, symbol time acquisition, beamforming, calibration are implemented in WiMAX Smart antenna system and we verified that Smart antenna system is superior to single antenna system. The experimental results show 5.5 dB performance enhancement of implemented Smart antenna system in throughput compared with a single antenna system. The experimental result is almost same as theoretical result of 6 dB.

Design of a Animation for an Environment Recognition change of the Young Children Using 3D MAX (3D MAX를 이용한 유아의 환경인식 변화를 위한 애니메이션의 설계)

  • Cho, Kyung-Mo;Lee, Keun-Wang
    • Proceedings of the KAIS Fall Conference
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    • pp.188-190
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    • 2007
  • 본 논문에서는 유아들의 환경 교육 효과를 증대하기 위하여 집중력이 약한 유아들의 특성을 고려하여 3D MAX를 이용한 3D 애니메이션을 설계 구현하였다. 본 애니메이션을 이용하여 수질오염의 원인과 환경을 보호해야 하는 이유를 알아보고 유아들의 환경보전에 대한 인식과 태도를 형성하여 환경보호를 행동으로 실천 할 수 있도록 도움을 주는 데에 그 목적이 있다.

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Design and Implementation of 3D Studio Max Plug-In in Collaborative Systems (협력시스템에서 3D 스튜디오 맥스 플러그인 설계 및 개발)

  • Kwon, Tai-Sook;Lee, Sung-Young
    • Journal of KIISE:Computing Practices and Letters
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    • v.7 no.5
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    • pp.498-509
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    • 2001
  • Collaborative systems allow users, who may be far removed from each other geographically, to do collaborative work such as 3D animation, computer game, and industrial design in a single virtual space. This paper describes our experience to develop a collaborative system framework that aims at expanding the some functions of a stand-alone visual modeling tool, called 3D Studio Max, into those of the distributed collaborative working environments. The paper mainly deals with design and implementation of a 3D shared-object Plug-In with respect to the 3D Studio Max Plug-In Software Development Kit in the distributed collaborative system developed by the authors. There are two major functions of the proposed scheme; one is to write 3D object-information to the shared memory after extracting it from the 3D Studio Max, the other is to create 3D objects after retrieving them from the shared memory. Also, the proposed scheme provides a simple way of storing 3D objects that have variable size, by means of shared memory which located in between the collaborative system clients and 3D studio Max. One of the remarkable virtures of the Plug-In is to reduce a considerable amount of shared object data which in consequence can mitigate the network overhead. This can be achieved by the fact that the system is able to extract a minimum amount of 3D objects that are required to transmit. Also, using the proposed scheme, user can facilitate 3D Studio Max into distributed collaborative working environments. This, in consequence give many benefits such as saving time as well as eliminating space constraints in the course of 3D modeling when we are under industrial design process.

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Development of Wear Model concerning the Depth Behaviour

  • Kim, Hyung-Kyu;Lee, Young-Ho
    • KSTLE International Journal
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    • v.6 no.1
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    • pp.1-7
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    • 2005
  • Wear model for predicting the vehaviour of a depth is considered in this paper. It is deduced from the energy and volume based wear models such as the Archard equation and the workrate model. A new parameter of the equivalent depth ($D_e$= wear volume /worn area) is considered for the wear model of a depth prediction. A concenpt of a dissipated shear energy density is accommodated for in the suggested models. It is found that $D_e$ can distinguish the worn area shape. A cubic of $D_e$($D_e^3$) gives a better linear regression with the volume than that of the maximmum depth $D_{max}e$($D_{max}^3$) does. Both $D_{max}$ and $D_e$ are used for the presently suggested depth-based wear model. As a result, a wear depth profile can be simulated by a model using $D_{max}$. Wear resistance from the concern of an overall depth can be identified by the wear coefficient of the model using $D_e$.