標(biāo)題: Titlebook: Geometric Constraint Solving and Applications; Beat Brüderlin,Dieter Roller Book 1998 Springer-Verlag Berlin Heidelberg 1998 3D.3D graphic [打印本頁] 作者: obesity 時(shí)間: 2025-3-21 17:52
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作者: –吃 時(shí)間: 2025-3-21 23:54
Sir Samuel Griffith to Sir Henry Norman these newer capabilities. This task is being addressed by the STEP Parametrics Group, working within ISO TC184/SC4. Progress on this task is reviewed as the first of the new standard documents begins to take shape.作者: endarterectomy 時(shí)間: 2025-3-22 02:46 作者: 使虛弱 時(shí)間: 2025-3-22 08:06
c modelling. The G-Rep approach has been developed as a completely declarative, integrated approach to geometry modelling which allows a . with the various consistency representations. We describe the basic approach to declarative geometry modelling with constraints in G-Rep, and discuss some of the requirements and limitations.作者: 同來核對 時(shí)間: 2025-3-22 09:52 作者: GET 時(shí)間: 2025-3-22 16:09
Pleasures and Paradoxes of New Media, minimize this error functional iteratively. The combination of geometry reconstruction and optimization provides a useful tool for the main design loop of PALs. The system has been developed and implemented in close cooperation with the optical industry.作者: GET 時(shí)間: 2025-3-22 21:02 作者: 脾氣暴躁的人 時(shí)間: 2025-3-22 21:32
Constraint Propagation Using an Active Semantic Networkopagation of design modifications in the database is realized by Event-Condition-Action rules, known from the field of active database systems. This approach is illustrated by a realization of an active knowledge base, the Active Semantic Network.作者: 業(yè)余愛好者 時(shí)間: 2025-3-23 01:49 作者: 碳水化合物 時(shí)間: 2025-3-23 06:31
ramming for CAD systems.Geometric constraint programming increases flexibility in CAD design specifications and leads to new conceptual design paradigms..This volume features a collection of work by leading researchers developing the various aspects of constraint-based product modeling..In an introd作者: Compassionate 時(shí)間: 2025-3-23 10:26
https://doi.org/10.1007/978-94-010-1693-3odel[SeGo87]. Another way is to use geometric reasoning mechanism in which the dimensions and geometric relationships are defined as either facts or rules [RSV89,VSR92]. To model the relations constraint systems are well suited. In this paper we describe two methods.作者: grovel 時(shí)間: 2025-3-23 14:46
Truth and Trust in Democratic Epistemologyon of the geometric constraints. Systems that can be reduced to distance and angle constraints can be handled. The convergence of the proposed algorithm is discussed and an example is presented and discussed.作者: Urea508 時(shí)間: 2025-3-23 18:47
art of the book deals with the application of constraints to conceptual and collaborative design, as well as state-of-the-art mathematical and algorithmic methods for constraint solving.978-3-642-63781-0978-3-642-58898-3作者: finite 時(shí)間: 2025-3-24 00:28 作者: arabesque 時(shí)間: 2025-3-24 04:45
Qualitative Study of Geometric Constraintse two approaches have their own advantages it’s worth combining them. All these methods will be studied first for systems of equations and then extended to the more specific case, but also more interesting for modeling, of systems of geometric constraints.作者: 葡萄糖 時(shí)間: 2025-3-24 06:54
Modelling of Geometric Constraints in CAD-Applicationsodel[SeGo87]. Another way is to use geometric reasoning mechanism in which the dimensions and geometric relationships are defined as either facts or rules [RSV89,VSR92]. To model the relations constraint systems are well suited. In this paper we describe two methods.作者: Leaven 時(shí)間: 2025-3-24 12:31 作者: mendacity 時(shí)間: 2025-3-24 16:59
Book 1998of constraints in CAD systems of the future and their implications for the STEP data exchange format are discussed. The main part of the book deals with the application of constraints to conceptual and collaborative design, as well as state-of-the-art mathematical and algorithmic methods for constraint solving.作者: 落葉劑 時(shí)間: 2025-3-24 21:42
rmation are essential here, too, e.g., topological conditions, type constraints, etc. In many applications, overall consistency means to integrate also .. Due to the ”built-in semantics” of geometry all these different forms of consistency information are not independent: they interact in various wa作者: ESO 時(shí)間: 2025-3-24 23:16 作者: 出汗 時(shí)間: 2025-3-25 06:05
https://doi.org/10.1007/978-90-313-7577-6 constraints are used for consistency checks of product models in databases as well as for the support of designers in product development. Concepts of active database systems are examined to represent and evaluate dependencies specified by designers during the product development Process. Using con作者: perpetual 時(shí)間: 2025-3-25 10:01 作者: Constrain 時(shí)間: 2025-3-25 12:09 作者: epidermis 時(shí)間: 2025-3-25 18:37
https://doi.org/10.1007/978-94-010-1693-3gebraic modelling there are equations between the elements of the geometric model defined, which are solved to find the characteristic points of the model[SeGo87]. Another way is to use geometric reasoning mechanism in which the dimensions and geometric relationships are defined as either facts or r作者: Vo2-Max 時(shí)間: 2025-3-25 23:58 作者: FAWN 時(shí)間: 2025-3-26 02:18
https://doi.org/10.1057/978-1-137-57985-0ic approaches. For several years, current methods, proceed by decomposition of the problem into sub-problems easier to solve. Recently, we have exposed a general formalization of the principles of these approaches and showed that they are all based on the invariance under displacements of the CAD co作者: collagenase 時(shí)間: 2025-3-26 05:58 作者: 亞麻制品 時(shí)間: 2025-3-26 11:24
Truth and Trust in Democratic Epistemologyorithm starts from a constructive symbolic representation of objects (Constructive Parametric Solid Model, CPSM) and it proceeds by iterative relaxation of the geometric constraints. Systems that can be reduced to distance and angle constraints can be handled. The convergence of the proposed algorit作者: Limited 時(shí)間: 2025-3-26 13:24 作者: 結(jié)束 時(shí)間: 2025-3-26 20:02 作者: 領(lǐng)帶 時(shí)間: 2025-3-26 22:20 作者: Restenosis 時(shí)間: 2025-3-27 04:57
Development Aid and Ripeness in Context,We describe a new approach for geometric shape design which his centered around a 2D and 3D geometric constraint solver. This approach enables so-called non-history based modeling providing more flexibility to the designer. The modeler combines geometric and topological constraints, direct manipulation, sketching and Boolean set operations.作者: POINT 時(shí)間: 2025-3-27 06:47
Results and hypotheses assessment,We have developed a formalism to simplify the expression of 3D constraints and their solving. Our formalism makes a strong distinction between metric and projective properties. We represent points, lines and planes in projective space by tensors and use Cayley’s algebra, with the . and . operators, to express projective properties.作者: vanquish 時(shí)間: 2025-3-27 10:56
https://doi.org/10.1007/978-1-349-05541-8Curves and surfaces designed in a computer graphics environment have many applications, including the design of cars, airplanes, shipbodies and modelling robots. These free-form objects are an essential part of powerful CAD-systems.作者: chandel 時(shí)間: 2025-3-27 17:30 作者: 貿(mào)易 時(shí)間: 2025-3-27 19:30 作者: convert 時(shí)間: 2025-3-27 22:51
Desargues: A Constraint-based System for 3D Projective GeometryWe have developed a formalism to simplify the expression of 3D constraints and their solving. Our formalism makes a strong distinction between metric and projective properties. We represent points, lines and planes in projective space by tensors and use Cayley’s algebra, with the . and . operators, to express projective properties.作者: Thyroiditis 時(shí)間: 2025-3-28 03:51 作者: encyclopedia 時(shí)間: 2025-3-28 09:58 作者: 暴發(fā)戶 時(shí)間: 2025-3-28 13:41 作者: 進(jìn)取心 時(shí)間: 2025-3-28 17:31
Passages from the New Testament,s, prior approaches based on matching specific subgraph patterns, as well as prior flow-based approaches. Moreover, the method generically iterates to obtain a decomposition of the underlying algebraic system into small subsystems.作者: 撫育 時(shí)間: 2025-3-28 20:43
https://doi.org/10.1057/978-1-137-57985-0ic approaches. For several years, current methods, proceed by decomposition of the problem into sub-problems easier to solve. Recently, we have exposed a general formalization of the principles of these approaches and showed that they are all based on the invariance under displacements of the CAD constraint systems.作者: 革新 時(shí)間: 2025-3-29 01:21
Geometric Constraint Decompositions, prior approaches based on matching specific subgraph patterns, as well as prior flow-based approaches. Moreover, the method generically iterates to obtain a decomposition of the underlying algebraic system into small subsystems.作者: Bombast 時(shí)間: 2025-3-29 04:36
: A Multi-Agent System for 2D Constraint Solvingic approaches. For several years, current methods, proceed by decomposition of the problem into sub-problems easier to solve. Recently, we have exposed a general formalization of the principles of these approaches and showed that they are all based on the invariance under displacements of the CAD constraint systems.作者: 揮舞 時(shí)間: 2025-3-29 11:14 作者: PARA 時(shí)間: 2025-3-29 12:21
Progress and Problems in Extending the STEP Standardrd allows the transfer of geometric product models in terms of geometry and topology plus configuration data (version numbers, etc). Since most CAD systems now allow the creation of variational models with parametrization, constraints and features, it is necessary to extend STEP to take into account作者: IRS 時(shí)間: 2025-3-29 17:32
Constraint Propagation Using an Active Semantic Network constraints are used for consistency checks of product models in databases as well as for the support of designers in product development. Concepts of active database systems are examined to represent and evaluate dependencies specified by designers during the product development Process. Using con作者: 燕麥 時(shí)間: 2025-3-29 22:42 作者: Horizon 時(shí)間: 2025-3-30 01:30
Design Support Using Constraint-Driven Design Spacesd. This paper introduces a top-down approach for creating the product layout and facilitating subsequent detailed design. For this purpose “Design Spaces” are introduced. These design spaces represent the conceptual boundary of the components as well as references for defining relationships between 作者: 引水渠 時(shí)間: 2025-3-30 07:52 作者: incubus 時(shí)間: 2025-3-30 08:28
Geometric Constraint Decompositions, prior approaches based on matching specific subgraph patterns, as well as prior flow-based approaches. Moreover, the method generically iterates to obtain a decomposition of the underlying algebraic system into small subsystems.作者: glans-penis 時(shí)間: 2025-3-30 15:32
: A Multi-Agent System for 2D Constraint Solvingic approaches. For several years, current methods, proceed by decomposition of the problem into sub-problems easier to solve. Recently, we have exposed a general formalization of the principles of these approaches and showed that they are all based on the invariance under displacements of the CAD co作者: grieve 時(shí)間: 2025-3-30 18:15
Qualitative Study of Geometric Constraintsso error prone. A geometric constraints based modeler should help the end user to find his mistakes, or, better, not to commit ones by watching the building process. The well known main cause of errors with these methods is the specification of redundant constraints, and sometimes conflicting constr作者: malapropism 時(shí)間: 2025-3-31 00:34 作者: 天空 時(shí)間: 2025-3-31 04:40
