本书介绍科学可视化相关技术, 共有五个典型案例, 包括脑网络三维可视化、体数据可视化、气候模拟流场数据可视化、脑部张量场数据可视化、体数据交互技术。

第1 章 脑网络三维可视化··············································································.1 1.1 知识点导读······················································································.2 1.1.1 脑分区···················································································.2 1.1.2 脑白质纤维·············································································.3 1.1.3 脑网络···················································································.4 1.2 方法概要·························································································.6 1.2.1 节点、边可视化·······································································.6 1.2.2 脑表面可视化··········································································.8 1.3 系统介绍·························································································.9 1.3.1 系统架构················································································.9 1.3.2 系统功能················································································10 1.3.3 系统配置················································································12 1.4 导图操作···················································································12 1.4.1 测试数据················································································13 1.4.2 操作步骤················································································14 第2 章 体数据可视化····················································································17 2.1 知识点导读······················································································19 2.1.1 体数据···················································································19 2.1.2 体数据可视化分类····································································20 2.1.3 分类······················································································23 2.1.4 传递函数················································································24 2.1.5 梯度······················································································26 2.1.6 光照效应················································································29 2.1.7 预积分分类·············································································30 2.1.8 体图示···················································································31 2.1.9 时变体数据集··········································································35 2.2 方法概要·························································································35 2.2.1 光线投射体绘制原理·································································35 2.2.2 光线投射体绘制方法·································································37 2.2.3 GPU 光线投射体绘制·································································43 2.2.4 基于影响因子累加的GPU 光线投射体绘制·····································44 2.2.5 混合绘制················································································45 2.3 系统介绍·························································································46 2.3.1 系统架构················································································46 2.3.2 系统界面················································································48 2.3.3 系统配置················································································51 2.4 导图操作·························································································52 2.4.1 测试数据················································································52 2.4.2 操作步骤················································································54 第3 章 气候模拟流场数据可视化·····································································57 3.1 知识点导读······················································································58 3.1.1 流场数据················································································58 3.1.2 多物理场数据··········································································59 3.1.3 气候科学数据··········································································60 3.1.4 气候模拟数据可视化·································································61 3.2 方法概要·························································································66 3.2.1 面向大规模气候模拟数据集的可视化管线······································66 3.2.2 图形硬件加速的多物理场可视化方法············································70 3.2.3 基于角分布信息熵的气候模拟流场分析·········································73 3.3 应用效果·························································································78 3.3.1 应用数据················································································78 3.3.2 环境配置················································································78 3.3.3 全球气候模拟的可视化结果························································79 3.3.4 局部天气预报的可视化结果························································80 3.4 系统介绍·························································································81 3.5 导图操作·························································································82 3.5.1 测试数据················································································82 3.5.2 会话文件················································································82 3.5.3 操作步骤················································································83 第4 章 脑部张量场数据可视化········································································87 4.1 知识点导读······················································································88 4.1.1 扩散······················································································88 4.1.2 张量······················································································88 4.1.3 扩散张量成像··········································································89 4.1.4 扩散张量特征··········································································91 4.2 方法概要·························································································92 4.2.1 颜色编码法·············································································92 4.2.2 图元显示法·············································································94 4.2.3 图元比较法·············································································97 4.2.4 纤维追踪算法·······································································.101 4.3 系统介绍······················································································.104 4.3.1 系统架构·············································································.104 4.3.2 项目结构·············································································.105 4.3.3 系统配置·············································································.106 4.4 导图操作······················································································.106 4.4.1 生成彩色映射图····································································.106 4.4.2 生成超二次曲面图·································································.107 第5 章 体数据交互····················································································.109 5.1 知识点导读···················································································.111 5.1.1 三维交互·············································································.111 5.1.2 手势交互·············································································.112 5.1.3 6DOF 操作···········································································.114 5.1.4 Focus+Context 交互································································.115 5.1.5 基于体数据的漫游·································································.116 5.1.6 体数据空间八叉树·································································.117 5.2 方法概要······················································································.118 5.2.1 平面切割·············································································.118 5.2.2 滤镜···················································································.120 5.2.3 手势设计·············································································.121 5.2.4 漫游路径规划·······································································.123 5.3 系统介绍······················································································.127 5.3.1 系统架构·············································································.127 5.3.2 系统界面·············································································.130 5.3.3 手势交互设计·······································································.133 5.3.4 二维交互·············································································.134 5.4 导图操作······················································································.134 5.4.1 测试数据·············································································.135 5.4.2 操作步骤·············································································.135 参考文献·····························································································.137 附录·········································································································.142 附录1.1 OpenGL 可视化编程·································································.142 附录2.1 三线性插值·············································································.155 附录2.2 DICOM 标准···········································································.156 附录2.3 基于CUDA 的可视化编程·························································.157 附录3.1 VisIt 的使用方法······································································.166 附录3.2 Linux 下的GPU 显卡配置方法····················································.168 附录4.1 安装Ubuntu22.04 系统······························································.169 附录4.2 teem 库配置············································································.171 附录4.3 搭建DTI 可视化环境································································.171 附录4.4 teem 库介绍············································································.173 附录4.5 teem 命令说明·········································································.174 附录5.1 Leap Motion 介绍·····································································.178