• Title/Summary/Keyword: 드로잉 머신

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Development of 3-D Web Graphic Library Using Java (자바를 이용한 3차원 웹 그래픽 라이브러리의 개발)

  • Jeong, Gab-Joong
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.9 no.8
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    • pp.1709-1715
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    • 2005
  • This paper describes the development of 3-D web graphic library for dynamic web graphic design. The 3-D web graphic library developed in this per supports creation of 3-D objects like cube and sphere objects, elimination of hidden line and surface, and the shading of diffuse and specular reflections. It provides, in drawing, perspective projection of an object depth first sort of multiple objects, and wire frame and solid models. It also supports texture mapping function for realistic and dynamic web application in application software. Each created 3-D object gives functions for the scaling, translation, and rotation of itself. It can be used for the development of dynamic web application software and the advertisement of information for business and tourism as a 3-D web graphic library engine. It is written in 'Java' language and runs on web browsers with Java virtual machine without any dependancy of client computer system.

PLC and Arduino CNC Control for Comparison of 2D Outputs (2D 출력물 비교를 위한 PLC와 아두이노 CNC 제어)

  • Cho, Hae-Jun;Kim, Kang-Ho;Jang, Hyun-Su;Jeon, Jong-Hwan;Lee, Seung-Dae
    • The Journal of the Korea institute of electronic communication sciences
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    • v.16 no.6
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    • pp.1295-1302
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    • 2021
  • As the market size of 3D printers increases, the precision of the printout and the speed of operation by the motor are very important issues. In this parer, G-code of each output was generated using a CURA program to compare whether the output of the PLC equipment is the same as that of the Arduino CNC. And after conversion to NC File, a pen was attached to each device to output a result to A4 paper. As a result, the output time was measured to be 1m 39s for PLC equipment and 2m 5s for Arduino CNC. In addition, it was confirmed that the 2D output was equally from the two equipments.

A Study of the Establishment of BIM Design Environment based on Virtual Desktop Infrastructure(VDI) of Cloud Computing Technology (클라우드 컴퓨팅 기술을 활용한 데스크탑 가상화 기반의 BIM 설계 환경 구축에 관한 연구)

  • Shin, Joonghwan;Lee, Kyuhyup;Kwon, Soonwook;Choi, Gyuseong;Ko, Hyunglyu
    • Korean Journal of Construction Engineering and Management
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    • v.16 no.4
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    • pp.118-128
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    • 2015
  • Recently BIM technology has been expanded for using in construction project. Due to the high-cost of BIM infrastructure development, lack of regulations, lack of process and so forth, usage of BIM has been delayed than initial expectations. In design phase, especially, collaboration based on BIM system has been a key factor for successful next generation building project. Through the analysis of current research trends about IT technologies, virtualization and BIM service, data exchange such as drawings, 3D model, object data, properties using cloud computing and virtual server system is defined as a most successful solution. The purpose of this study is to enable the cloud computing BIM server to provide several main functions such as editing models, 3D model viewing and checking, mark-up and snapshot in high-performance quality by proper design of VDI system. Concurrent client connection performance is a main technical index of VDI. Through testing of test-bed server client, developed VDI system's multi-connect control is evaluated. Performance-test result of BIM server VDI effect to development direction of cloud computing BIM service for commercialization.