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Comparison between CSG and B-rep in 3D Modeling

patches, triangles, and splines) bond to form a closed space area.Brep advantages:1. There are a lot of information about the surface, edge, point and their relationship.2. It is conducive to generating and drawing line charts and projection charts, and to calculating geometric characteristics. It is easy to link with two-dimensional drawing software and be associated with the same surface modeling

Modeling of Verilog HDL

September 13, 2016Author: dengshuai_superSource: http://blog.csdn.net/dengshuai_super/article/details/52535925Disclaimer: Please specify the author and source of the reprint. Modeling Method: Abstract Level When used in modeling, HDL languages can be categorized according to an abstract hierarchy:Requirements and concepts can be described at a high level (System level)The concept of requirements can be desc

Java modeling: The proper process of requirements collection work

direction. The center of any software modeling effort is demand gathering. The choice to implement the requirements collection process depends on a larger environment for the development project. This environment can be found in the requirements collection process itself, or in another acclaimed model. In some cases, this environment can even be found in the process of deliverable use. By examining where

C # reference coordinate system functions similar to modeling in drawing

In entity modeling software, various reference coordinate systems are often set and saved to facilitate model creation. C # similar functions are also available in plotting. But not as powerful as modeling software. In entity modeling so

A brief analysis of the steps of finite element analysis after UG modeling

A brief analysis of the steps of FEM analysis after UG modeling. Many netizens who are learning UG This software have been discussing a problem recently, that is: UG how to carry on finite element analysis. To solve this problem, we need to first understand what is UG finite element analysis. And online on the UG finite element analysis of the tutorial is quite a lot of, but, small set summed up the law aft

Data integration using Process modeling

For information technology applications such as data integration, process modeling is a method that has been tried and proved feasible. The problem of virtualization and standardization is also covered by modeling technologies for data integration application processes. First, let's look at the types of process modeling. Data integration using Process

[Serialization] [FPGA black gold Development Board] Those things of OpenGL-low-level modeling resources (6)

ArticleDirectory Experiment 3 Configuration Disclaimer: This article is an original work and copyright belongs to akuei2 and heijin power Community All together, if you need to reprint, please indicate the source http://www.cnblogs.com/kingst/ 2.5 low-level modeling Resources Low-level modeling involves resource allocation. The purpose is to use "graphics" to improve the solution of

Modeling Method (3) Model Evolution-three suggestions for maintaining simplicity and elasticity

, the customer will thank you for achieving a win-win result. This can also be said to be "outside the model ". I believe that in the future, the development of enterprise management software will be carried out together with the management consulting, from the current business-driven development to information construction to promote management improvement. Modeling Method 6Helps customers find simple and

UML modeling-use case diagram

Case modeling is a part of UML modeling and the most basic part of UML. The main function of case modeling is to express the functional requirements or behaviors of the system. To put it bluntly, it is to explain what the system is, so you don't have to worry about how to work. I think the use case chart is the best picture in the analysis phase, because the cont

Correct understanding of four types of data warehouse modeling methods of SQL Server

SQL ServerCategory 4Data warehouse modelingMethods are mainly divided into the following four types. The first type is the three-paradigm modeling of relational databases. We usually use the three-paradigm modeling method to build various types of operational database systems. The second category is the three-paradigm data warehouse modeling promoted by inmon,

Hybrid case modeling [4]: System cases and Business Cases

levels ". The first level is the functions provided by the bank to the customers of the bank; the second level is the functions provided by the software system to the bank staff. As shown in: When we model the banking business, we take the banking as a whole to study what services the bank will provide to customers. In this caseThe Study Targets banks.. When we model a bank's software system, we take

Original Eclipse EMT Papyrus Modeling and MODISCO reverse engineering

http://m.blog.csdn.net/blog/zxhcloth/23451849Original Eclipse EMT Papyrus Modeling and MODISCO reverse engineering2014-4-11 Read 1195 comments 0I seldom write a blog before, given that Eclipse EMT modeling Chinese material is relatively small, many students want to use it, do not have to, write a blog to do a simple guide. Modeling has always been used in the Pow

Database Modeling Tools

When designing databases, many people prefer to use the word document format to design database structures before creating physical databases; there is very little Database Design Using database modeling tools. If you ask people who are unwilling to use database modeling tools, I think they will give you the following answers: 1. The database structure is not complex and there is no need to use

Visio-based database modeling in Visual Studio. NET Enterprise Architect: Part I./1

enterprise|visual| Data | database Terry Halpin Microsoft Corporation November 2001 Summary:This article is the first in a series of articles on the Visio-based database modeling component in Microsoft Visual Studio. NET Enterprise Architect, highlighting the object role modeling (ORM) support provided by the tool. Directory Brief introduction Create a new ORM model To add a sentence type using

Define a decision table in an Excel workbook (Oracle policy modeling-define decision tables in Excel workbooks)

Tags: style blog http io color ar os using SPTo write a rule in Excel, you only need to write rules in the table and use the Oracle Policy Modeling style to identify the type of information in the cell.So that these rules can be compiled and used in Oracle determinations Engine. You can create any number of rule sheets in your document.Understanding styles for a rule tableThe Excel rules that you intend to compile in Oracle policy

Illustrator-Q Version of Superman modeling tutorial

To you illustrator software users to detailed analysis to share the painting Q version of Superman modeling tutorial. Tutorial Sharing: Overview: Now let's take a look at this Superman specific "formation" process. Before that, of course, be familiar with the following tools: ① Pen tool ② selection Tool ③ Direct selection Tool ④ add stroke tool ⑤ gradient tool ⑥ Network Tools ⑦ co

UML object-oriented analysis and modeling-[6] state chart

) from the initial state to the final state, the objects may be in the top-level state. (5) Identify all entry or exit actions. (6) If necessary, you can use sub-States to expand these states. Organize and simplify a complex state machine using concepts such as hyperstate, substate, branch, and historical state (7) check whether all events involved in the state machine match the expected events in the object interface. (8) check whether all the actions involved in the state machine are supported

UML Modeling Learning 2:UML basic building blocks

a thing in the UML Some of the basic graphic symbols that make up the model diagram, which represent some basic object-oriented concepts.There are four kinds of things in UML structural things (structural things), behavioral things (behavioral things), group things (grouping things),Annotational Things (note things). Two four types of things in UML (things) (1) Structural things Structural things are static parts of a model that represent the representation of a concept or entity and are the mo

UML (Unified Modeling Language) Overview

First, describeUML Unified Modeling Language is a standard object-oriented modeling language, which is defined by five kinds of graph classes:1. Use case diagram: It considers the function of the system from the user's point of view, and the operator of these functions, mainly describes the function of the operator's operating system.2, Static diagram: It includes two kinds, one is the class diagram, one is

Sinsing interpretation of Component diagrams in UML modeling

First, the concept of component diagramsA component is an actual replaceable part of a system that implements specific functions, conforms to a set of interface standards, and implements a set of interfaces. A component represents a part of the physical implementation of a system, including software code (source code, binary code, or executable code) or its equivalents (such as scripts or command files). Each component can implement certain functions

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