KS X ISO IEC 19775-2-2009 Information technology－Computer graphics and image processing－Extensible 3D(X3D)－Part 2：Scene access interface(SAI)《信息技术 计算机制图和图像处理 可扩展3D(X3D) 第2部分 像幅存取接口.pdf

1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS X ISO/IEC 19775 2 3D(X3D) 2： (SAI)KS X ISO/IEC 19775 2:2009 2009 12 28 http:/www.kats.go.krKS X ISO/IEC 19775 2:2009 : ( ) ( ) () ()SJ ( ) : () ( ) KT () () () ( ) KS X ISO/IEC 19775 2:2009 : (http:/www.standard.go.kr) ： ：2009 12 28 2009-0912 ： ： ( 02-509

2、-7262) (http:/www.kats.go.kr). 10 5 , . KS X ISO/IEC 19775 2:2009 i ii 1 1 2 1 3 , .1 4 3 4.1 .3 4.2 .4 4.3 5 4.4 .5 4.5 .9 4.6 .10 4.7 URL11 4.8 11 5 19 5.1 19 5.2 21 5.3 25 5.4 27 6 .28 6.1 28 6.2 31 6.3 .33 6.4 .44 6.5 51 6.6 53 6.7 55 6.8 58 6.9 .59 6.10 .60 6.11 62 6.12 64 7 66 7.1 66 7.2 .68 7

3、.3 68 A( ) VRML .74 A.1 74 A.2 .74 A.3 ECMAScript 76 A.4 Java .77 KS X ISO/IEC 19775 2:2009 ii 2004 1 ISO/IEC 19775 2, Information technology Computer graphics and image processing Extensible 3D(X3D) Part 2： Scene Access Interface(SAI) , . . . KS X ISO/IEC 19775 2 . A( ) VRML KS X ISO/IEC 19775 2:20

4、09 3D(X3D) 2： (SAI) Information technology Computer graphics and image processing Extensible 3D(X3D) Part 2： Scene access interface(SAI) 1 . . 2 . . ( ) . KS X ISO/IEC 10646, (UCS) , KS X ISO/IEC 14496 1, (MPEG-4) 1： KS X ISO/IEC 14772 1, (VRML) 1： UTF-8 KS X ISO/IEC 14772 2, (VRML) 2： (EAI) KS X IS

5、O/IEC 19775 1, 3D(X3D) 1： KS X ISO/IEC 19776 1, , 3D(X3D) 1： XML KS X ISO/IEC 19776 2, , 3D(X3D) 2： VRML KS X ISO/IEC 19777( ), 3D(X3D) IETF RFC 1738, Uniform Resource Locator, Internet standards track protocol W3C Document Object Model(DOM) Level 2 Core Specification Version 1.0 3 , KS X ISO/IEC 19

6、775 1 , . KS X ISO/IEC 19775 2:2009 2 3.1 (errors) 3.2 (file) 3.3 initializeOnly (initializeOnly field) 3.4 (input-capable field) inputOnly inputOutput 3.5 inputOnly (inputOnly field) 3.6 inputOuput (inputOuput field) 3.7 (now) 3.8 (output-capable field) inputOutput outputOnly 3.9 outputOnly (output

7、Only field) 3.10 (parameters) 3.11 (public interface) 3.12 (returns) KS X ISO/IEC 19775 2:2009 3 3.13 (run-time name scope) X3D 4 4.1 . . . 6. . 4.1 . 4.1 4.1 4.2 4.2.1 4.2.2 VRML 4.3 4.4 4.4.1 4.4.2 4.4.3 4.4.4 4.4.5 4.4.6 4.4.7 4.4.8 4.4.9 4.4.10 4.5 4.5.1 4.5.2 4.5.3 4.5.3.1 4.5.3.2 4.5.3.3 4.5.3

8、.4 URL 4.5.3.5 4.6 4.7 URL 4.8 4.8.1 4.8.2 4.8.3 4.8.3.1 4.8.3.2 KS X ISO/IEC 19775 2:2009 4 4.1 ( ) 4.8.3.3 4.8.3.4 4.8.3.5 4.8.3.6 4.8.3.7 4.8.3.7.1 4.8.3.7.2 4.8.3.7.3 4.8.3.7.4 4.8.3.8 inputOutput 4.8.3.9 4.8.4 4.8.4.1 4.8.4.2 4.8.4.3 4.8.4.4 4.8.4.5 4.8.5 4.1 4.2 4.3 4.2 4.2.1 KS X ISO/IEC 1977

9、5 1 29 (Scripting component) Script X3D (SAI) . X3D . . 2.I19777 . SAI Script . . . . SAI X3D . URL, KS X ISO/IEC 19775 2:2009 5 4.2.2 KS X ISO/IEC 14772 X3D KS X ISO/IEC 14772(VRML)(2.I14772 1 ) KS X ISO/IEC 19775 1 A VRML . KS X ISO/IEC 14772 1 . X3D KS X ISO/IEC 14772 2(EAI)(2.I14772 2 ) . a) EAI

10、 KS X ISO/IEC 14772 2 VRML . EAI . b) KS X ISO/IEC 19775 1 X3D . SAI KS X ISO/IEC 14772 . 4.3 . . . 4.4 4.4.1 SAI X3D . , , , . . X3D . . 4.4.2 . . . . . . KS X ISO/IEC 19775 2:2009 6 4.4.3 (Containing Node) (4.8.2 ) . . . KS X ISO/IEC 19775 1(2.I19775 1 ) 4.4.2.5 (Object life cycle) . . . . . 4.4.4

11、 X3D . X3D . KS X ISO/IEC 19775 1(2.I19775 1 ) 4.1 X3D 2.I19775 1 4.4.8.3 (Execution model) . X3D . (： ). 4.4.5 X3D . (： ). . X3D . . . . . 4.4.6 ( ) X3D . . X3D . . . . . KS X ISO/IEC 19775 2:2009 7 4.4.7 X3D . X3D . , , , , X3D . . Inline . . . pretty printer . 4.4.8 . KS X ISO/IEC 19775 1 (2.I197

12、75 1 ) X3D . , . . . . . SAI . . DEF . initializeOnly . inputOutput set_ and _changed . . . 1. ： . 2. ： . 3. ： / . 4. ： . . 4.2 . KS X ISO/IEC 19775 2:2009 8 4.2 initializeOnly / inputOnly outputOnly inputOutput / / . . . . Box , , Shape Box Shape Shape Box Realized . . SFNode MFNode NULL . MFNode ,

13、 NULL 0 . 4.4.9 . . ( , ). KS X ISO/IEC 19775 1 . . . . . 4.2 . . initializeOnly . . . . . . . . . . KS X ISO/IEC 19775 2:2009 9 4.4.10 KS X ISO/IEC 19775 1(2.I19775 1 ) 4.4.7 (Run-time name scope) . . Proto ROUTE . . . . 4.5 4.5.1 X3D . X3D . . . Initialize . 4.5.2 . X3D . . X3D . . , . . . ROUTE . 4.5.3 4.5.3.1 . . . . . 4.5.3.2 KS X ISO/IEC 19775 2:2009 10