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1、华北水利水电学院虚拟现实技术实验报告实验一创建VRML基本形体一、实验目的：熟悉虚拟现实建模语言的编辑环境，掌握创建基本形体和复杂形体的步骤二、试验内容：1、熟悉VRML的编辑环境；2、网格造型节点的使用；3、纹理贴阁的使用；4、创建复合形体（带有文字注释的透明木板）5、挤出造型节点的使用三、核心程序源代码：M格造彻节点：#VRMLV2.0utf8Shape{appearanceAppearance{materialMaterial{diffuseColor200251240specularColor111shini
2、ness0.9}}geometryElevationGrid{xDimension11xSpacing0.5zDimension11zSpacing0.5height[~2,-2,_2,_2,_2,_2,_2,_2,-2,_2,_2,-2,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,-2,-2,0.1,-0.4,0.1,-0.2,0.1,-0.2,0.1,-0.4,0,-2,-2,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,-2,-2,0.1,-0.4,0.1,
3、-0.2,0.1,-0.2,0.1,-0.4,0,-2,-2,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,-2,一2,0.1,-0.4,0.1,-0.2,0.1,-0.2,0.1,-0.4,0,—2,一2,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,-2,-2,0.1,-0.4,0.1,-0.2,0.1,-0.2,0.1,-0.4,0,-2,-2,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,-2,_2,_2,_2,_2,_2,_2,_
4、2,_2,_2,_2,-2,]creaseAngle5.571solidFALSE}}模拟皮凳:纹理贴图：#VRMLV2.0utf8Background{skyColor[111]}Transform{translation-400children[Shape{appearanceDEFbAppearancematerialMaterial{}textureImageTexture{url"Koala.jpg”}}}1}Shape{appearanceUSEbgeometryCylinder{}}Transform{
5、translation0-20childrenfShape{appearanceUSEbgeometryCone{}}I}创建复合形体（带有文字注释的透明木板）:#VRMLV2.0utf8Background{frontUrl"Koala.jpg"Transform{translation-150-10childrenfShape{appearanceAppearance{materialMaterial{diffuseColor1.01.01.0transparency0.8}}geometryBox{size51
6、60.5}}1}Transform{translation-140-10children
7、Shape{appearanceAppearance{materialMaterial{diffuseColor1.000.0}}geometryText{stringf"Koalabear”1length[844]fontStyleFontStyle{family”SANS”size1.5style"BOLD”justify[MLEFTnHENDH1horizontalFALSE}}1}挤出造型节点：#VRMLV2.0utf8
8、Background{skyColor[0.80.60.8]}Shape{appearanceAppearance{materialMaterial{diffuseColor0.80.20.2ambientlntensity0.1specularColor0.80.80.8shininess0.15}}geometryExtrusion{crossSection[0.51.0,0.50.5,1.00.5，1.0-0.5,0.5-0.5,0.5-1.0,-0.5-1.0,-0.5-0.5,-1.0-0.5,-1.00.
9、5,-0.50.5,-0.51.0,0.51.0
10、spinef1.00.00.00.50.00.00.00.00.0-0.50.00.0-0.10.00.0
11、scale[0.00.00.50.51.01.01.51.52.02.0
12、solidFALSEcreaseAngle1.57}}五、小结（包括收获、心得体会、存在的问题及解决问题的方法、建
