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1. 发明授权

US07098918B2 System and method for shape preservation of curves in an editing process 有权
标题翻译：编辑过程中曲线形状保存的系统和方法
公开(公告)号：US07098918B2
公开(公告)日：2006-08-29
申请号：US10382083
申请日：2003-03-05
申请人： Daniel C. Staples , Navinchandra Pai , Yong-Ming Li , Joseph J. Bohman , Kristopher C. Kasprzak , Aditya N. Gurushankar , Prasad Pingali
发明人： Daniel C. Staples , Navinchandra Pai , Yong-Ming Li , Joseph J. Bohman , Kristopher C. Kasprzak , Aditya N. Gurushankar , Prasad Pingali
IPC分类号： G00T11/20
CPC分类号： G06T11/203
摘要： A system, method, and computer program product which allows more versatile manual and automatic edits by embedding behaviors in the curve elements. These imbedded behaviors allow intelligent shape preservation during a curve edit. Each curve carries a behavior property that describes how it should react when edited. This means that the curve and graphics system have full knowledge of the right edit type to make, even when triggered by an outside source, such as a re-compute of an object at a higher level in the feature tree.
摘要翻译：一种系统，方法和计算机程序产品，通过在曲线元素中嵌入行为，允许更多功能的手动和自动编辑。这些嵌入行为允许在曲线编辑期间智能形状保存。每个曲线都带有一个行为属性，用于描述编辑时应如何反应。这意味着曲线和图形系统对于正确编辑类型的全面了解，即使在由外部源触发时，例如在特征树中的较高级别的对象的重新计算。

2. 发明授权

US07106331B2 Bi-directional propagation in a curve network 有权
标题翻译：曲线网络中的双向传播
公开(公告)号：US07106331B2
公开(公告)日：2006-09-12
申请号：US10382358
申请日：2003-03-05
申请人： Aditya N. Gurushankar , Daniel C. Staples , Joseph J. Bohman , Prasad Pingali , Ganapathy S. Kunda , Navinchandra Pai
发明人： Aditya N. Gurushankar , Daniel C. Staples , Joseph J. Bohman , Prasad Pingali , Ganapathy S. Kunda , Navinchandra Pai
IPC分类号： G06T11/20
CPC分类号： G06T17/30 , G06T19/20 , G06T2219/2021
摘要： A system, method, and computer program product for performing edits on related curves by automatically defining an associative entity that is upstream of either curve being connected. The connecting entity is called an ‘intermediary’. When creating a connection between curves, irrespective of where they appear in the associative tree, their geometry is made dependent on a common intermediary that is placed upstream of both curves in the tree. With this structure, both curves are related to the intermediary but retain all the properties of being connected to each other. Any edit performed to either curve is redirected through the intermediary such that both curves are simultaneously modified, providing the user with bi-directional propagation of edits. The user does not need to keep track of the order that the curves were related.
摘要翻译：一种系统，方法和计算机程序产品，用于通过自动定义在连接的任一曲线的上游的关联实体来执行相关曲线上的编辑。连接实体称为“中间”。在创建曲线之间的连接时，无论它们在关联树中的显示位置如何，它们的几何都取决于放置在树中两条曲线上游的公共中介。利用这种结构，这两条曲线都与中介有关，但保留了彼此连接的所有属性。对任一曲线执行的任何编辑都通过中介重定向，以便同时修改两条曲线，为用户提供编辑的双向传播。用户不需要跟踪曲线相关的顺序。

3. 发明授权

US08872820B2 System and method for splitting faces on a solid model 有权
标题翻译：在实体模型上分割面的系统和方法
公开(公告)号：US08872820B2
公开(公告)日：2014-10-28
申请号：US12422350
申请日：2009-04-13
申请人： Joseph J. Bohman , Victor Hambridge
发明人： Joseph J. Bohman , Victor Hambridge
IPC分类号： G06T17/00 , G06T17/10 , G06F3/0481 , G06T19/20 , G06F17/50
CPC分类号： G06F17/50 , G06F3/04815 , G06T17/10 , G06T19/20
摘要： A system, method, and computer program for selecting modifications to a solid model that is manipulated in a computer having software instructions, comprising a computer system, wherein the computer system includes a memory, a processor, a user input device, and a display device; a computer generated geometric model stored in the memory in the memory of the computer system; and wherein the computer system selects a selecting point on a modification feature directly on a solid model using a computer peripheral input; sorts by distance a plurality of adjacent faces that are adjacent to a selection face determined by the selecting point; determines whether a convex condition exists wherein the plurality of adjacent faces are convex to the selection face; determines whether a candidate curves exists where the plurality of adjacent faces share a same surface with a previously visited face and the convex condition exists; imprints the candidate curve on the solid model to prepare the solid model for modification according to a modification intent from a user; modifies the solid model according to the modification intent that results in a modified solid model and modified visual display information; and displays the modified solid model using the modified visual display information to the user, and appropriate means and computer-readable instructions.
摘要翻译：一种用于选择在具有软件指令的计算机中操纵的实体模型的修改的系统，方法和计算机程序，所述计算机包括计算机系统，其中所述计算机系统包括存储器，处理器，用户输入设备和显示设备 ; 计算机生成的几何模型存储在计算机系统的存储器中的存储器中; 并且其中所述计算机系统使用计算机外设输入直接在实体模型上选择修改特征上的选择点; 根据由所述选择点确定的与选择面相邻的多个相邻面分隔距离; 确定是否存在其中所述多个相邻面相对于所述选择面凸起的凸条件; 确定候选曲线是否存在，其中多个相邻面与先前访问的面共享相同的表面，并且存在凸条件; 在实体模型上印制候选曲线，根据用户的修改意图准备实体修改模型; 根据导致修改后的实体模型和修改的视觉显示信息的修改意图修改实体模型; 并使用经修改的视觉显示信息向用户显示修改的实体模型，以及适当的装置和计算机可读指令。

4. 发明申请

US20090256842A1 SYSTEM AND METHOD FOR SPLITTING FACES ON A SOLID MODEL 有权
标题翻译：用于在固体模型上分割面的系统和方法
公开(公告)号：US20090256842A1
公开(公告)日：2009-10-15
申请号：US12422350
申请日：2009-04-13
申请人： Joseph J. Bohman , Victor Hambridge
发明人： Joseph J. Bohman , Victor Hambridge
IPC分类号： G06T17/10
CPC分类号： G06F17/50 , G06F3/04815 , G06T17/10 , G06T19/20
摘要： A system, method, and computer program for selecting modifications to a solid model that is manipulated in a computer having software instructions, comprising a computer system, wherein the computer system includes a memory, a processor, a user input device, and a display device; a computer generated geometric model stored in the memory in the memory of the computer system; and wherein the computer system selects a selecting point on a modification feature directly on a solid model using a computer peripheral input; sorts by distance a plurality of adjacent faces that are adjacent to a selection face determined by the selecting point; determines whether a convex condition exists wherein the plurality of adjacent faces are convex to the selection face; determines whether a candidate curves exists where the plurality of adjacent faces share a same surface with a previously visited face and the convex condition exists; imprints the candidate curve on the solid model to prepare the solid model for modification according to a modification intent from a user; modifies the solid model according to the modification intent that results in a modified solid model and modified visual display information; and displays the modified solid model using the modified visual display information to the user, and appropriate means and computer-readable instructions.
摘要翻译：一种用于选择在具有软件指令的计算机中操纵的实体模型的修改的系统，方法和计算机程序，所述计算机包括计算机系统，其中所述计算机系统包括存储器，处理器，用户输入设备和显示设备 ; 计算机生成的几何模型存储在计算机系统的存储器中的存储器中; 并且其中所述计算机系统使用计算机外设输入直接在实体模型上选择修改特征上的选择点; 根据由所述选择点确定的与选择面相邻的多个相邻面分隔距离; 确定是否存在其中所述多个相邻面相对于所述选择面凸起的凸条件; 确定候选曲线是否存在，其中多个相邻面与先前访问的面共享相同的表面，并且存在凸状; 在实体模型上印制候选曲线，根据用户的修改意图准备实体修改模型; 根据导致修改后的实体模型和修改的视觉显示信息的修改意图修改实体模型; 并使用经修改的视觉显示信息向用户显示修改的实体模型，以及适当的装置和计算机可读指令。

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