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Lets3D : A Collaborative 3D Editing Tool Based On Cloud Storage
Yeoun-Ui Ha,Jae-Hwan Jin,Myung-Joon Lee 보안공학연구지원센터 2015 International Journal of Multimedia and Ubiquitous Vol.10 No.9
3D Modeling is a process of developing 3D objects and their features, having gained popularity during the last decade. As of now, there are many 3D editors to help 3D modeling such as Google’s sketch up, AutoCad, sunglass and others. As these 3D editors have become more useful and 3D-related activities have become rich, collaboration in 3D modeling is getting much attention. In this paper, we present a new 3D editor named Lets3D. In editing and sharing 3D objects, Lets3D enables a group of users to collaborate in real time. To support these collaboration features, Lets3D relies on the XMPP messaging facility and the whiteboard service of C3ware, which is a middleware providing abstract editing operations and synchronization operations on shared objects over cloud storage. To run on Web browsers, Lets3D is developed as an extension of the Three.js editor which uses the Three.js lightweight JavaScript 3D library.
가금류 악성 전염병 감염축 처리자의 보호 장비 착용실태조사 및 개선에 관한 연구
이혜연 ( Hye Yeoun Lee ),임의형 ( Ui Hyoung Lim ),김종원 ( Jong Won Kim ),김원일 ( Won Il Kim ),강아름 ( A Rum Kang ),임채웅 ( Chae Woong Lim ),홍철운 ( Chul Un Hong ),한지현 ( Ji Hyeon Han ),강석진 ( Seog Jin Kang ),김범석 ( Bum 한국동물위생학회 2015 韓國家畜衛生學會誌 Vol.38 No.4
This study was aimed to investigate factors that affected the status of wearing personal protective equipment (PPE) for handling poultry carcasses with potential exposure to virulent avian infectious agents. A large outbreak of high pathogenic avian influenza (HPAI) occurred in South Korea in 2014. Many public officers participated for euthanizing and handling livestock carcass. However, several safety issueswith using PPE were revealed. Therefore, a questionnaire survey was conducted for 340 people who participated euthanasia and carcass disposal in the place where HPAI mainly occurred in 2014. It was found that 31.8% of the respondents had ever taken off their protective equipment during operations because of its inconvenience. The most inconvenient PPE was goggles (54.6%), followed by mask (20.2%), latex gloves (11.6%), shoe covers (5.9%) and protective clothing (5.3%). The main complaints about this individual PPE was unclear sight, damp emitted toward eye, sweating, tearing easilyand sweating, respectively. Considering such problems of PPE, new possible directions for improvement of gloves and goggles were suggested. With newly developed rubber coating fabric gloves and conventionally using latex and fabric gloves, H3N2 influenza virus transmission experiment was conducted. Rubber coating fabric gloves showed similar efficiency for blocking virus transmission with latex laboratory gloves and were not easily torn by sharp claws of chicken. In addition, air flow control safety eyewear was suggested to minimize moisture formation. The air flow control system efficiently suppressed moisture formation inside the goggles. Therefore our study will provide more specific directions about new PPE development for safety protection of actual wearers.