In order to realize parametric simulation of three-dimensional(3D)fabric structure based on web,a 3D model describing a plain knitted fabric,in which the cross-section of the yarn is circular shape and the path of the...In order to realize parametric simulation of three-dimensional(3D)fabric structure based on web,a 3D model describing a plain knitted fabric,in which the cross-section of the yarn is circular shape and the path of the yarn is cubic B-spline curve,is proposed in this paper.With this model,the 3D simulation of the loop and of the basic structures of the knitted fabric is realized by using Virtual Reality Modeling Language(VRML).The virtual simulation scene is suitable for network transmission with freely available VRML browsers and can be translated,scaled and rotated quite arbitrarily.By using Java and External Authoring Interface(EAI)technology,the web-based interactive simulation platform of weft knitted fabric is established.The user can input type of structures,basic fabric parameters,and yarn colors interactively to obtain a more realistic simulation result in real-time.A new approach is provided to imitate the knitted fabric 3D appearance on network.展开更多
In order to analyze the learners＇ cognitive process under the teacher＇s focus-on-form feedback on second language writing, this study carried out an simulation experiment to investigate learners＇ correction rates a...In order to analyze the learners＇ cognitive process under the teacher＇s focus-on-form feedback on second language writing, this study carried out an simulation experiment to investigate learners＇ correction rates and confidence levels according to three major variables： feedback modes, error types and treatment orders. The results show that： （1） treatments of ＂Code＂ and ＂Underline＂ both had their advantages and disadvantages under different situations; （2） different types of errors are sensitive to different feedback modes; （3） orders of treatment may influence learners＇ perception of instructor＇s intention; and （4） learners＇ confidence level may record the cognitive level of the target language and correlate with the correct rate. Finally, it is suggested to pay more attention to the interactive mechanism of feedback effect and to apply more diversified treatments under various situations in practice.展开更多
基金Jiangsu Natural Science Foundation of University,China(No.07KJD540178)Foundation of Nantong Science and Technology of China(No.K2007009)Graduate Innovation Project of Nantong University,China(No.YKC09056)
文摘In order to realize parametric simulation of three-dimensional(3D)fabric structure based on web,a 3D model describing a plain knitted fabric,in which the cross-section of the yarn is circular shape and the path of the yarn is cubic B-spline curve,is proposed in this paper.With this model,the 3D simulation of the loop and of the basic structures of the knitted fabric is realized by using Virtual Reality Modeling Language(VRML).The virtual simulation scene is suitable for network transmission with freely available VRML browsers and can be translated,scaled and rotated quite arbitrarily.By using Java and External Authoring Interface(EAI)technology,the web-based interactive simulation platform of weft knitted fabric is established.The user can input type of structures,basic fabric parameters,and yarn colors interactively to obtain a more realistic simulation result in real-time.A new approach is provided to imitate the knitted fabric 3D appearance on network.
基金sponsored by 2010 Science and Research Program of Xi'an Jiaotong University
文摘In order to analyze the learners＇ cognitive process under the teacher＇s focus-on-form feedback on second language writing, this study carried out an simulation experiment to investigate learners＇ correction rates and confidence levels according to three major variables： feedback modes, error types and treatment orders. The results show that： （1） treatments of ＂Code＂ and ＂Underline＂ both had their advantages and disadvantages under different situations; （2） different types of errors are sensitive to different feedback modes; （3） orders of treatment may influence learners＇ perception of instructor＇s intention; and （4） learners＇ confidence level may record the cognitive level of the target language and correlate with the correct rate. Finally, it is suggested to pay more attention to the interactive mechanism of feedback effect and to apply more diversified treatments under various situations in practice.
