The patent's assignee is
News editors obtained the following quote from the background information supplied by the inventors: "PDM systems manage PLM and other data. Improved systems are desirable."
As a supplement to the background information on this patent application, VerticalNews correspondents also obtained the inventors' summary information for this patent application: "Various disclosed embodiments include systems and methods for improved PDM processes, including systems and methods for managing symmetry within discovered geometric relationships in a three dimensional model in product data management (PDM) systems. A method includes receiving a 3D model including a plurality of components and identifying a plurality of target components from the plurality of components. The method includes identifying a symmetry plane in the 3D model and determining the location of each of the target components with respect to the symmetry plane. The method includes adding the target components to respective groups according to the determined locations and creating an equivalence class for each group of target components. The method includes storing a symmetry relationship between the created equivalence classes.
"The foregoing has outlined rather broadly the features and technical advantages of the present disclosure so that those skilled in the art may better understand the detailed description that follows. Additional features and advantages of the disclosure will be described hereinafter that form the subject of the claims. Those skilled in the art will appreciate that they may readily use the conception and the specific embodiment disclosed as a basis for modifying or designing other structures for carrying out the same purposes of the present disclosure. Those skilled in the art will also realize that such equivalent constructions do not depart from the spirit and scope of the disclosure in its broadest form.
"Before undertaking the DETAILED DESCRIPTION below, it may be advantageous to set forth definitions of certain words or phrases used throughout this patent document: the terms 'include' and 'comprise,' as well as derivatives thereof, mean inclusion without limitation; the term 'or' is inclusive, meaning and/or; the phrases 'associated with' and 'associated therewith,' as well as derivatives thereof, may mean to include, be included within, interconnect with, contain, be contained within, connect to or with, couple to or with, be communicable with, cooperate with, interleave, juxtapose, be proximate to, be bound to or with, have, have a property of, or the like; and the term 'controller' means any device, system or part thereof that controls at least one operation, whether such a device is implemented in hardware, firmware, software or some combination of at least two of the same. It should be noted that the functionality associated with any particular controller may be centralized or distributed, whether locally or remotely. Definitions for certain words and phrases are provided throughout this patent document, and those of ordinary skill in the art will understand that such definitions apply in many, if not most, instances to prior as well as future uses of such defined words and phrases. While some terms may include a wide variety of embodiments, the appended claims may expressly limit these terms to specific embodiments.
BRIEF DESCRIPTION OF THE DRAWINGS
"For a more complete understanding of the present disclosure, and the advantages thereof, reference is now made to the following descriptions taken in conjunction with the accompanying drawings, wherein like numbers designate like objects, and in which:
"FIG. 1 depicts a block diagram of a data processing system in which an embodiment can be implemented;
"FIGS. 2A and 2B show examples of symmetric entities in accordance with disclosed embodiments;
"FIG. 3A shows a simple example representation if a model to illustrate symmetry relationship, and FIGS. 3B and 3C illustrate geometric relationship graphs corresponding to FIG. 3A, all in accordance with disclosed embodiments;
"FIG. 4A shows an example of a model wherein a first Identical class has three members but a second Identical class contains only two, and FIG. 4B shows a corresponding geometric relationship graph, both in accordance with disclosed embodiments;
"FIG. 5 depicts a flowchart of a process in accordance with disclosed embodiments;
"FIG. 6 illustrates an example of target components in a model, in accordance with disclosed embodiments;
"FIG. 7 illustrates the use of optional constraints when a component is moved and an optional constraint is maintained, in accordance with disclosed embodiments;
"FIG. 8 illustrates the use of optional constraints when a component has its axis rotated;
"FIG. 9 shows an example of partitioning by multiple symmetry planes, in accordance with disclosed embodiments;
"FIG. 10A illustrates an example of a single symmetry plane, FIG. 10B shows the corresponding senses, and FIG. 10C illustrates a corresponding relationship graph, all in accordance with disclosed embodiments; and
"FIG. 11A illustrates an example of a two symmetry planes, FIG. 11B shows the corresponding senses, and FIG. 11C illustrates a corresponding relationship graph, all in accordance with disclosed embodiments."
For additional information on this patent application, see: Mattson,
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