[JAVA3D] Transform3D problem???

2000-05-03 Thread Olivier fillon
Hi: using jdk1.3 and java3d 1.2 beta 1; When I force a setTranslation on my Transform3D, it is sometimes fails to change the matrix: (I insist on the sometimes as it happens to work on one go, then fails on the next for a number of times code snip and resulting traces with trans3D a Transform3D

[JAVA3D] *bug* - Interleaved TriangleArray

2000-05-03 Thread Duncan Woods
Hi list, I believe I have found a bug in the creation of an Interleaved TriangleArray in Java 1.2b If you set either of the count capabilities in the constructor then a mysterious requirement for 2 additional floats per vertex is required in the interleaved array. If you set both,

[JAVA3D] Viewpoints like in VRML?

2000-05-03 Thread ArtMotion
Is there an easy way to implement "VIEWPOINTS" like in VRML ? In VRML you can define many of them. When a user selects one, the world is translated/rotated... until he is on the right point. Can anybody please show me, how I can do the same with Java3D? =

[JAVA3D] DirectX problem??

2000-05-03 Thread Augustin Gjini
Hello everybody ! I use the Java 3D DirectX version and I have a problem... In fact I build a universe where I can move the ViewingPlatform... When I'm near material there is a problem (a bug??) : the viewingplatform erase a part of my construction... I send with my letter a photo of my

[JAVA3D] Obtaining coordinates from the Canvas3D

2000-05-03 Thread JayT
Hi I would like to go through the Canvas3D scene and along the way display the world and the local coordinates.  There are methods in Canvas3D (getVworldToImagePlate() and getImagePlateToVworld() ) and Node (getLocalToVworld() ) but those all need a TransformGroup.. what if it's just the mou

[JAVA3D] Texture mapping problem

2000-05-03 Thread Charlie Hubbard
Can anyone help me? I am trying to texture map some geometry objects in an applet but not having much luck!!! The program uses the code below to get the image called from the init() method:   Image originalImage = getImage(getDocumentBase(), "bg.jpg"); MediaTracker tracker = new MediaTracker

Re: [JAVA3D] JBuilder 3.5

2000-05-03 Thread Yat P Shiu
JBuilder does work with relative path. I have it working in my program, but you have to make sure it is relative to the class file contain the main(). >Thanks very much for your quickly answer, but all the problem was using >relative paths and not full path, like one person has told me. Finally

Re: [JAVA3D] Partial update of live GeometryArray

2000-05-03 Thread Marco Lohse
Hi Khai, on Monday Uma Sabada wrote an answer to a similar question. Another thing I can tell you from my experience is that it is faster to use geometry by reference with J3D 1.2 or to update the whole geometry array with one function call. Regards, Marco. Khai Weyn wrote: > > Hi, > > I have a

[JAVA3D] Partial update of live GeometryArray

2000-05-03 Thread Khai Weyn
Hi, I have a large number of triangles in a single TriangleArray (about 20,000 - 30,000). I need to selectively remove and add triangles to the scene, as quickly as possible. Only a small number of the triangles in the TriangleArray will be updated at a time (around 20 - 50). At the moment, I

[JAVA3D] Picking within triangle strips

2000-05-03 Thread Kevin Williams
Hi List Members, In a CAD application, I am dealing with relatively few planar objects (say hundreds of polygon plates, etc). By treating each one of these as a Shape3D my interactive 3D model viewing performance is not acceptable, even on a fast PC with hardware OpenGL - So I guess this is not t

Re: [JAVA3D] JBuilder 3.5

2000-05-03 Thread Ole Vilmann
Try with the relative path one directory further above than you have tried. That has worked for me. Ole Vilmann Danish Maritime Institute -Original Message- From: Rosa Maria Torres de Paz [mailto:[EMAIL PROTECTED]] Sent: 3. maj 2000 09:53 To: [EMAIL PROTECTED] Subject: Re: [JAVA3D] JBuil

Re: [JAVA3D] JBuilder 3.5

2000-05-03 Thread Rosa Maria Torres de Paz
John Wright wrote: > Rosa, > > Virtually every time we get that error it's because we mistyped the > pathname to the image file (if getting via a URL then it's case > sensitive too). > > - John Wright > Starfire Research Thanks very much for your quickly answer, but all the problem was using rel

[JAVA3D] Mouse movement and Collisions

2000-05-03 Thread Víctor
Hello, we are writting an application where we need to prevent the user to move towards the direction where collision it's been detected. Just like it happens in the real world. The movement is directed by mouse. Could anybody send us an examples,please? Thanks in advance PRISMAKER TEAM