Some more on multitexturing: elsewhere in my app I'm using multitextureing
with which I had an issue, also when switching pages; this problem was
solved by upgrading the graphics card driver (we use Matrox G450); so you
may also want to look in that direction ...

Harry

> -----Original Message-----
> From: Stedum, Harry van [SMTP:[EMAIL PROTECTED]]
> Sent: Tuesday, March 06, 2001 10:56 AM
> To:   [EMAIL PROTECTED]
> Subject:      Re: [JAVA3D] disappearing texture - workaround for J3D v1.2
> - sol ved in J3D v1.2.1 b2
>
> Let me post a summary of my experiences up till now:
>
> I had this disappearing texture issue while using Java3D v1.2. Upon
> upgrading to J3D v1.2.1 beta2 the problem was fixed. Other problems were
> introduced and since we are not using Java SDK/JRE 1.3 for our project,
> and
> this is a recommendation, we decided to downgrade to J3D v1.2 for the
> moment. However, if you do not face such restrictions, upgrade and the
> texture problem may be solved.
>
> Using Java3D v1.2 I fixed up a workaround, on switching the tab/page, by
> recreateing the objects which make up the texture, i.e. the Texture2D and
> the ImageComponent2D objects; fortunately the large BufferedImage object
> can
> be reused.
>
> Harry
>
> > -----Original Message-----
> > From: Pedro Estrada [SMTP:[EMAIL PROTECTED]]
> > Sent: Monday, March 05, 2001 5:43 PM
> > To:   [EMAIL PROTECTED]
> > Subject:      Re: [JAVA3D] disappearing texture - a bit long
> >
> > We've also noticed disappearing textures in our terrain visualization
> app.
> > We store several hundred textures for the terrain tiles in a quadtree,
> and
> > use a level of detail algorithm in conjuntion with a Switch node to
> enable
> > and disable the terrain tiles that are visible.  This works fine, and
> all
> > textures
> > are visible.  Its when we start applying mulititexturing to some of
> these
> > tiles
> > in the scene to show the results of some Line Of Sight operations that
> we
> > start to see textures disappear.  I wrote a test app that tried to
> isolate
> > the
> > problem, and I severerly stressed the rendering system by loading large
> > numbers of textures and multitexturing them, but it worked fine.  This
> > poster's
> > observation of Switch nodes and disappearing textures is interesting to
> > note
> > since my test app did not use a switch node to store the tiles, and the
> > main
> > terrain visualization app does.  I plan on going back and adding a
> switch
> > node
> > system to the test app to see if I can consistently produce disappearing
> > textures.
> >
> > -Pedro
> >
> > ----- Original Message -----
> > From: "Stedum, Harry van" <[EMAIL PROTECTED]>
> > To: <[EMAIL PROTECTED]>
> > Sent: Monday, March 05, 2001 4:22 AM
> > Subject: Re: [JAVA3D] disappearing texture - a bit long
> >
> >
>
> ==========================================================================
> =
> To unsubscribe, send email to [EMAIL PROTECTED] and include in the
> body
> of the message "signoff JAVA3D-INTEREST".  For general help, send email to
> [EMAIL PROTECTED] and include in the body of the message "help".

===========================================================================
To unsubscribe, send email to [EMAIL PROTECTED] and include in the body
of the message "signoff JAVA3D-INTEREST".  For general help, send email to
[EMAIL PROTECTED] and include in the body of the message "help".

Reply via email to