Abstract: Methods for CAD editing and corresponding systems and computer-readable mediums. A method includes receiving a CAD model including a plurality of entities and receiving a user input including a selection of at least one entity and a movement of the selected entity. The method includes applying any basic condition behaviors that correspond to the user input and applying any optional condition behaviors that correspond to the user input. The method includes building a variational system to be solved based on the user input, any applied basic condition behaviors, and any optional condition behaviors. The method includes performing a variational solve on the variational system to produce an edited CAD model and storing the edited CAD model.

Abstract: Methods for product data management and corresponding systems and computer-readable mediums. A method includes receiving a CAD model with a plurality of elements, each element having a plurality of features. The method includes receiving a CAD operation to be performed on the plurality of elements and performing a variational solve on a first one of the plurality of elements according to the CAD operation to produce an edited first element. The method includes calculating corresponding CAD operations for the remaining plurality of elements according to the edited first element and a relationship between the edited first element and the remaining elements to produce an edited plurality of elements. The method includes storing the edited first element and the edited plurality of elements in the CAD model.

Abstract: Systems and methods for identifying members of offset pairs in CAD models. A method includes receiving a CAD model that includes a plurality of entities each having an underlying geometry. The method includes identifying a first offset pair chain corresponding to a first entity of the plurality of entities, including identifying a first partner entity that is part of the same offset pair. The method includes determining whether the first offset pair chain is a strong chain. The method includes when the first offset pair chain is a strong chain, then marking the first entity as a part of an offset pair. The method includes storing the CAD model including the marked first entity.

Abstract: Methods for identifying chamfers in CAD models and corresponding systems and computer-readable mediums. A method includes applying filters to a set of candidate chamfers, the candidate chamfers identified from a plurality of faces in a CAD model, to produce filtered candidate chamfers. The method includes generating maximal chains of the candidate chamfers and grouping conflicting chains from the maximal chains to produce chain groups. The method includes determining best conflicting chains from the chain groups, including designating at least one of the chain groups as accepted. The method includes storing the faces of the CAD model that correspond to the accepted chain group as realistic chamfers.

Abstract: Systems and methods for identifying symmetry relationships 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.

Abstract: Methods for product data management and corresponding systems and computer-readable mediums. A method includes receiving a CAD model including a plurality of input features and initializing a data structure representing multi-level structures in the CAD model. The method includes identifying at least two equal groups of the plurality of input features and applying a single-level structure recognition process on the groups of features to produce detected structures such as patterns, mirrors etc. The method includes populating the data structure according to the detected structures and storing the data structure as associated with the CAD model.

Abstract: Methods for CAD editing and corresponding systems and computer-readable mediums. A method includes receiving a CAD model including a plurality of entities and receiving a user input including a selection of at least one entity and a movement of the selected entity. The method includes applying any basic condition behaviors that correspond to the user input and applying any optional condition behaviors that correspond to the user input. The method includes building a variational system to be solved based on the user input, any applied basic condition behaviors, and any optional condition behaviors. The method includes performing a variational solve on the variational system to produce an edited CAD model and storing the edited CAD model.

Abstract: Systems and methods for maintaining equivalence relations in product data management (PDM) systems. A method includes receiving a 3D model including a plurality of components, and receiving a selection of one of the plurality of components of the model. The method includes receiving a selection of at least one equivalence relation to be discovered in the 3D model and identifying at least one target component of the plurality of components of the model. The method includes completing the selected component with respect to each target component according to each selected equivalence relation. The method includes building and storing an equivalence relationship graph according to the completed selected component.

Abstract: Methods for product data management and corresponding systems and computer-readable mediums. A method includes receiving a three-dimensional CAD model in the data processing system, the CAD model including a plurality of geometries. The method includes receiving at least one system-found equivalence class (EC) including at least one of the geometries, the system-found EC being of a specified EC type, and receiving at least one persistent EC of the specified EC type including at least one of the geometries. The method includes completing any unique persistent member of the persistent EC by finding any other geometries in the CAD model that have an EC relationship with the unique persistent member of the specified EC type. The method includes expanding the user-defined persistent EC by adding any unique found members of the specified EC type to produce a combined EC, and storing and reusing the combined EC.

Abstract: Various embodiments are directed towards employing a container and communication protocol proxy component within a client device to receive securely real-time streamed, progressively downloaded, or adaptively streamed container over a network using one container and communication protocol, and to securely decrypt the container and provide it to a media player using a different container and communications protocol. In one embodiment, the container is in Flash Video (FLV) file format. A browser or the media player on the client device may be used to request the container. The requested container is sent over one communication protocol and intercepted by the container and communication protocol proxy component. The container may be received as selectively encrypted container. The container and communication protocol proxy component then may enable decryption of the container and providing of it to the media player using another container and communication protocol combination.

Abstract: Methods for product data management and corresponding systems and computer-readable mediums. A method includes receiving a three-dimensional CAD model in the data processing system, the CAD model including a plurality of features. The method includes receiving a selection of a non-variational function to be applied to the CAD model, including a selection of at least one feature to which the function is to be applied. The method includes creating a copy of the selected feature as a second body to produce a modified feature and adding the modified feature to a solver configuration of the CAD model. The method includes solving the CAD model according to the solver configuration to produce a modified CAD model, and storing the modified CAD model.

Abstract: Methods for pattern recognition and corresponding systems and computer-readable mediums. A method includes receiving a set of two-dimensional (2D) points. The method includes identifying neighbor points for each of a plurality of points in the set and finding at least one indicated pattern between points in the set. The indicated pattern can be one of a linear pattern, a rectangular pattern, a skew pattern, or a circular pattern. The method includes storing pattern data corresponding to the found indicated pattern.

Abstract: Methods for product data management and corresponding systems and computer-readable mediums. A method includes receiving a geometric model including plurality of blends and identifying a blend ribbon that includes at least two of the plurality of blends. Each blend in the blend ribbon is mutually dependent on at least one other blend in the blend ribbon. The method includes selecting a blend ribbon breaker corresponding to the blend ribbon and designating a plurality of blends in the blend ribbon as reblendable blends, based on the blend ribbon breaker. The method includes reblending the reblendable blends to produce a modified geometric model and storing the modified geometric model.

Abstract: Methods for product data management and corresponding systems and computer-readable mediums. A method includes receiving a geometric model including plurality of entities and receiving existing conditions corresponding to the geometric model. The method includes receiving an operation to be performed on a selected entity of the geometric model. The method includes propagating through the geometric model from the selected entity to other entities of the geometric model, according to the existing conditions, and adding the selected entities and the other entities to a variational system. The method includes performing a variational solve of the variational system according to the operation to produce modified entities and applying the modified entities to the geometric model to produce an edited geometric model.

Abstract: Various embodiments are directed towards employing a container and communication protocol proxy component within a client device to receive securely real-time streamed, progressively downloaded, or adaptively streamed container over a network using one container and communication protocol, and to securely decrypt the container and provide it to a media player using a different container and communications protocol. In one embodiment, the container is in Flash Video (FLV) file format. A browser or the media player on the client device may be used to request the container. The requested container is sent over one communication protocol and intercepted by the container and communication protocol proxy component. The container may be received as selectively encrypted container. The container and communication protocol proxy component then may enable decryption of the container and providing of it to the media player using another container and communication protocol combination.

Abstract: Various embodiments are directed towards employing a container and communication protocol proxy component within a client device to receive securely real-time streamed, progressively downloaded, or adaptively streamed container over a network using one container and communication protocol, and to securely decrypt the container and provide it to a media player using a different container and communications protocol. In one embodiment, the container is in Flash Video (FLV) file format. A browser or the media player on the client device may be used to request the container. The requested container is sent over one communication protocol and intercepted by the container and communication protocol proxy component. The container may be received as selectively encrypted container. The container and communication protocol proxy component then may enable decryption of the container and providing of it to the media player using another container and communication protocol combination.

Abstract: A CAD system, method, and computer readable medium. A method for modeling a topological structure includes receiving a definition of a topological structure. The method also includes receiving a definition of a construction element and receiving a geometrical relationship between the construction element and an element of the topological structure. The method further includes receiving a change to the topological structure and, in response to the change, changing the first construction element according to the geometrical relationship.

Abstract: Systems, methods, and computer readable mediums. A method includes receiving a geometric model including at least one removal feature having at least one face, the removal feature being a feature that is removed prior to variational solving and recreated after a variational solution has been applied into the geometric model. The method includes designating at least one face of the removal feature as a remain variational face that will not be removed during a variational edit. The method includes adding a constraint to the remain variational face of the removal feature and performing the variational edit on the model to produce an edited model, including applying the constraint. The method includes storing the edited model.

Abstract: Methods for product data management and corresponding systems and computer-readable mediums. A method includes receiving a three-dimensional CAD model in the data processing system, the CAD model including a plurality of features. The method includes receiving a selection of a non-variational function to be applied to the CAD model, including a selection of at least one feature to which the function is to be applied. The method includes creating a copy of the selected feature as a second body to produce a modified feature and adding the modified feature to a solver configuration of the CAD model. The method includes solving the CAD model according to the solver configuration to produce a modified CAD model, and storing the modified CAD model.

Abstract: Methods for product data management and corresponding systems and computer-readable mediums. A method includes receiving a CAD model in the data processing system, the CAD model including at least a first blend that has an axis, a radius measured from the axis, and a plurality of unders. The method includes receiving a change to the radius of the first blend and selectively designating either the axis as fixed or the unders as fixed according to a property of the blend. The method includes modifying the CAD model by changing the radius according to the received change and the designated fixed axis or designated fixed unders, and storing the modified CAD model.