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    • 4. 发明申请
    • SELECTIVE REFRESH OF COMPUTER-AIDED DESIGN DRAWINGS
    • 计算机辅助设计图的选择性刷新
    • US20090102832A1
    • 2009-04-23
    • US11874091
    • 2007-10-17
    • Jay BehrJian Zheng
    • Jay BehrJian Zheng
    • G06T1/00
    • G06T19/20
    • Embodiments of the invention provide techniques for updating drawing elements of a first computer aided design (CAD) drawing to reflect changes to corresponding drawing elements in a second CAD drawing. A method for updating a CAD drawing may include receiving a selection of drawing elements from the second CAD drawing, where the first CAD drawing is derived, at least in part, from the drawing elements of the second CAD drawing. The method may also include identifying drawing elements of the first CAD drawing that correspond with the selected drawing elements of the second CAD drawing, updating a geometry of the identified drawing elements of the first CAD drawing to reflect a geometry of the corresponding drawing elements of the second CAD drawing, and preserving a visual appearance of drawing elements the first CAD drawing not updated.
    • 本发明的实施例提供了用于更新第一计算机辅助设计(CAD)绘图的绘图元素以反映在第二CAD图中对相应绘图元素的变化的技术。 用于更新CAD图形的方法可以包括从第二CAD图形接收绘图元素的选择,其中第一CAD图形至少部分地从第二CAD图形的绘图元素导出。 该方法还可以包括识别与第二CAD绘图的所选择的绘图元件相对应的第一CAD绘图的绘图元素,更新第一CAD绘图的所识别的绘图元素的几何,以反映第一CAD绘图的对应绘图元素的几何形状 第二CAD绘图,并保留绘图元素的视觉外观,第一个CAD图形未更新。