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    • 7. 发明授权
    • Computing device, storage medium and method for analyzing step formatted file of measurement graphics
    • 计算设备,存储介质和分析测量图形步骤格式化文件的方法
    • US09064088B2
    • 2015-06-23
    • US13555085
    • 2012-07-21
    • Chih-Kuang ChangXin-Yuan WuBo Nie
    • Chih-Kuang ChangXin-Yuan WuBo Nie
    • G06F17/22G06F17/50
    • G06F17/5086
    • A computing device performs a method to analyze a STEP (standardized exchange of product) formatted file of a measurement graphics, and to predefine one or more graphic keywords and graphics analysis modes in a storage device of the computing device. The method extracts a content keyword and a content character string from each line of the STEP formatted file, and analyzes the content keywords and the content character strings to obtain shell data of the graphic elements. The method further draws a geometrical shell of the measurement graphics according to the shell data using a curve meshing method, marks boundaries of the geometrical shell using an indication mark, and displays the measurement graphics with the indication mark on a display device of the computing device.
    • 计算设备执行分析测量图形的STEP(标准化交换产品)格式文件的方法,并且在计算设备的存储设备中预定义一个或多个图形关键字和图形分析模式。 该方法从STEP格式化文件的每一行提取内容关键字和内容字符串,并分析内容关键字和内容字符串以获取图形元素的shell数据。 该方法使用曲线网格划分法,根据壳数据绘制测量图形的几何外壳,使用指示标记标记几何外壳的边界,并在计算设备的显示设备上显示具有指示标记的测量图形 。
    • 8. 发明授权
    • Computing device and method for determining distance between two curved surfaces
    • 用于确定两个曲面之间的距离的计算装置和方法
    • US09030473B2
    • 2015-05-12
    • US13480481
    • 2012-05-25
    • Chih-Kuang ChangXin-Yuan WuMin Wang
    • Chih-Kuang ChangXin-Yuan WuMin Wang
    • G06T17/20G06T7/00G06F17/20G01B5/14G06F17/50
    • G01B5/14G06F17/20G06F17/50G06T7/001G06T17/20G06T2207/30164
    • A computing device reads information in relation to a first curved surface and a second curved surface from a storage device, respectively meshes the first and second curved surfaces into a plurality of first and second triangles, and divides a parametric plane associated into a plurality of first grids, where each first grid corresponds to a small box in 3D space. The device determines associations between the first/second triangles of the two curved surfaces and the small boxes in the 3D space, determines a second triangle that is nearest to each first triangle of the first curved surface, and determines a distance between the first triangle and the second triangle as a minimum distance from the first triangle to the second curved surface. A minimum value from all of the minimum distances is determined as a minimum distance between the first curved surface and the second curved surface.
    • 计算设备从存储设备读取关于第一弯曲表面和第二弯曲表面的信息,分别将第一和第二曲面形成多个第一和第二三角形,并将与多个第一和第二三角形相关联的参数平面分割 网格,其中每个第一个网格对应于3D空间中的一个小框。 设备确定两个曲面的第一/第二三角形和3D空间中的小框之间的关联,确定最靠近第一曲面的每个第一三角形的第二个三角形,并确定第一个三角形和 第二个三角形作为从第一个三角形到第二个曲面的最小距离。 将所有最小距离的最小值确定为第一曲面和第二曲面之间的最小距离。
    • 9. 发明授权
    • Computing device and method for establishing three dimensional coordinate system using graphics
    • 使用图形建立三维坐标系的计算装置和方法
    • US08982127B2
    • 2015-03-17
    • US13598786
    • 2012-08-30
    • Chih-Kuang ChangXin-Yuan WuWei Wang
    • Chih-Kuang ChangXin-Yuan WuWei Wang
    • G06T15/10
    • G06T15/10G06F17/50G06T19/20G06T2219/2016
    • In a method for establishing a three-dimensional coordinate system, the method establishes an original coordinate system in a design drawing of a product, and draws a hollow cube. Faces of the hollow cube are marked with different directions. Using the hollow cube, the method calculates a first matrix for correcting the original coordinate system according to a selected plane from the design drawing. The method also calculates a second matrix for correcting the original coordinate system according to a selected line, and calculates a third matrix for correcting the original coordinate system according to a selected point or a center of a selected circle. By multiplying the three matrixes, a new matrix is generated to establish a new coordinate system, which is displayed on a display screen.
    • 在建立三维坐标系的方法中,该方法在产品的设计图中建立原始坐标系,并绘制中空立方体。 中空立方体的表面标有不同的方向。 使用中空立方体,该方法根据来自设计图的选定平面计算用于校正原始坐标系的第一矩阵。 该方法还根据所选择的线计算用于校正原始坐标系的第二矩阵,并且根据所选择的圆的选定点或中心来计算用于校正原始坐标系的第三矩阵。 通过乘以三个矩阵,生成一个新的矩阵来建立一个新的坐标系,显示在显示屏上。