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VAT4M
文章来源: 发布时间: 2011-12-09      点击数:

(Visual Analysis Tools for Macro-Molecule Map and Model)

 

 

    VAT4M是冷冻电镜密度数据的可视化分析软件,旨在为生物学家提供桌面级数据可视化分析平台,主要包括密度图和晶体的结构可视化,密度图的分割,以及晶体结构在密度图中的匹配。它是一个免费软件,由中科院计算机网络信息超级计算中心(http://www.sccas.cn)开发,受中科院知识创新重大项目面向蛋白质高性能计算项目(KGGX1-YW-13)和中科院十一五超级计算环境建设专项(INFO-115-B01)资助。软件开发过程中得到了中科院生物物理所孙飞课题组的指导与大力帮助。


特色与功能

VAT4M它的主要功能包括:可视化,分割和匹配。具体实例可查看 [ Gallery ]

    可视化是指对重构的密度数据进行可视化处理,算法上可以采用体绘制和等值面等技术。对晶体结构的显示可以采用多种模式,另外,对可视化的结果可以支持旋转、移动、缩放等操作。
分割是指对密度数据的三维数据体根据大分子结构的特点进行分割,而且可以单独和多个分割结果同时查看。
匹配是给定初始的晶体结构位置,自动实现晶体结构在密度图中的匹配,而且匹配结果可以实时显示。

特色:
密度数据的体绘制功能;
对密度数据的自动分割功能;
智能的分子模型与密度图的匹配功能

VAT4M
(Visual Analysis Tools for Macro-Molecule Map and Model)

VAT4M is a visualization and analysis tool for density map for CryoEM (Cryo-electronic microscope), which provide biologists data analysis tool on PC. It main functions include visualization for density map and molecular model, segmentation of density map, and the structure fitting between the density map and the molecular model. VAT4M is free software developed by Supercomputing Center, Computer Network Information Center of Chinese Academy of Sciences. The develop group would like to thank Prof. Sun Fei group for their instructive suggestions and great help.

Function and Feature
Main functions of VAT4M: Visualization, Segmentation and Structure fitting.
Visualization: Visualize the density map with volume rendering and isosurface methods. Display the molecular models in with several different models. All the visualization results could be interactively control by an intuitive interface.
Segmentation: Automatically segment the density map by watershed method and T-value based fast marching method.
Structure fitting: Molecular model could be automatically

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