Patrick,
I'm not sure I follow your bug report, as I have run your
model and it looks like a helicopter to me; the known bug
in Extrusion was not expressed by your example.
Regards,
______________________________________
Rick Goldberg - Member Technical Staff
Sun Microsystems
Graphics Products - Computer Systems
901 San Antonio Road, MS UMPK27-302
Palo Alto, CA 94043-4900
650 786-0108 Direct
650 856-2114 Fax
[EMAIL PROTECTED]
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> Date: Wed, 17 Nov 1999 14:20:40 +0100
> From: "Kraft, Patrick" <[EMAIL PROTECTED]>
> Subject: [JAVA3D] Error in the Extrusion node of the Vrml97Loader class ?
> To: [EMAIL PROTECTED]
>
> I modified the
> D.16 Chopper example of
>
> The Virtual Reality Modeling Language
> International Standard ISO/IEC 14772-1:1997
> Copyright <copyright.html> � 1997 The VRML Consortium Incorporated.
>
> so it can be loaded by the Vrml97Viewer and -Player class.
>
>
>
> Why the body and the rotor is rotated about 180 degree,
> in the default VRML-Browser not! ??????????????????
>
> Maybe there is a error in the the Extrusion node of the Vrml97Loader class?
>
>
>
>
> Here the modified VRML-code:
>
> #VRML V2.0 utf8
>
> Transform {
> translation -0.1 -0.85 4.95952
>
> children [
> Transform {
> children Shape {
>
> appearance Appearance {
> material DEF _0 Material {
> }
>
> }
>
>
> geometry Extrusion {
> crossSection [ 0 0.2,
> 0.6 0.2,
> 0.8 0,
> 0.8 -0.4,
> 0.6 -0.6,
> 0.2 -0.6,
> 0 -0.4,
> -0.2 0,
> 0 0.2 ]
> orientation [ 0 0 1 0,
> 0 0 1 0,
> 0 0 1 0,
> 0 0 1 0,
> 0 0 1 0,
> 0 0 1 0,
> 0 0 1 0,
> 0 0 1 0 ]
> scale [ 0.0215112 0.0215112,
> 0.659496 0.659496,
> 0.872158 0.872158,
> 1 1,
> 1 1,
> 0.872158 0.872158,
> 0.659496 0.659496,
> 0.0480939 0.0480939 ]
> solid FALSE
> spine [ 0 -1 0,
> -0.0032141 -0.953553 0,
> -0.00285517 -0.876386 0,
> -0.0032141 -0.74785 0,
> -0.0032141 -0.445722 0,
> -0.0032141 -0.323585 0,
> -0.0032141 -0.252875 0,
> 0 -0.2 0 ]
> }
>
> }
>
> translation -0.319032 -0.0473949 -4.51302
> rotation 0.832195 -0.397322 0.386764 1.77988
> scale 1 0.999999 0.999998
> scaleOrientation 0.414011 0.416351 0.809473 0.298078
> }
> Transform {
> children Shape {
> appearance Appearance {
> material USE _0
>
> }
>
> geometry Extrusion {
> beginCap TRUE
> crossSection [ 0.6 0.6,
> 0.6 0.4,
> -0.8 0.4,
> -1 0,
> -1.2 0,
> -1 0.6,
> 0.6 0.6 ]
> endCap TRUE
> orientation [ 0 0 1 0,
> 0 0 1 0 ]
> scale [ 1 1,
> 1 1 ]
> solid FALSE
> spine [ 0 -1 0,
> 0 -0.8 0 ]
> convex FALSE
> }
>
> }
>
> translation -0.877833 0.458808 -4.77874
> rotation 0.82734 -0.41326 0.380426 1.77274
> scale 1 1 1
> scaleOrientation -0.172046 0.272466 0.946659 0.228295
> }
> Transform {
> children Shape {
> appearance Appearance {
> material USE _0
>
> }
>
> geometry Extrusion {
> crossSection [ 1 0,
> 0.92388 0.382683,
> 0.707107 0.707106,
> 0.382684 0.923879,
> 1.26759e-06 1,
> -0.382682 0.92388,
> -0.707105 0.707108,
> -0.923879 0.382685,
> -1 2.53518e-06,
> -0.923881 -0.382681,
> -0.707109 -0.707105,
> -0.382687 -0.923878,
> -3.80277e-06 -1,
> 0.38268 -0.923881,
> 0.707104 -0.70711,
> 0.923878 -0.382688,
> 1 0 ]
> orientation [ 0 0 1 0,
> 0 0 1 0 ]
> scale [ 1 1,
> 0.4 0.181007 ]
> solid FALSE
> spine [ 0 -1 0,
> 0 1 0 ]
> }
>
> }
>
> translation 0.120967 0.410068 -4.95952
> rotation 0 -1 0 0.873008
> scale 0.0980455 0.370358 0.213029
> scaleOrientation 0 0 1 0
> }
> ]
> }
>
>
>
>
> Group {
> children Transform {
> children Shape {
> appearance Appearance {
> material Material {
> }
>
> }
>
> geometry Extrusion {
> crossSection [ 0.4 0,
> 0.0026528 0.0979112,
> -0.4 0,
> -0.0103739 -0.0801211,
> 0.4 0 ]
> orientation [ 0 -1 0 0.349065,
> 0 -1 0 0.261799,
> 0 -1 0 0.174532,
> 0 0 1 0,
> 0 0 1 0,
> 0 0 1 0,
> 0 1 0 0.0872659,
> 0 1 0 0.174532,
> 0 1 0 0.261799 ]
> scale [ 0.907089 0.2,
> 0.907088 0.6,
> 0.751411 0.6,
> 0.206542 0.4,
> 0.459517 0.8,
> 0.167623 0.4,
> 0.751412 0.6,
> 0.926548 0.6,
> 0.907089 0.2 ]
> solid FALSE
> spine [ 0 -1.6 0,
> 0 -1.44152 0,
> 0 -1.24754 0,
> 0 -0.229174 0,
> 0 -0.0109524 0,
> 0 0.183023 0,
> 0 1.17715 0,
> 0 1.37112 0,
> 0 1.6 0 ]
> }
>
> }
>
> rotation 0.250988 -0.684472 0.684472 2.64978
> }
> }
>
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