Hello everybody!
I'm trying to implement collision detection in j3d 1.2 API using
picking. The problem is the following: when I use a CylinderShape for
intersection test with the geometry of the picking scope, I always get a
null pointer for the normal vector in the intersection point. Any other
d
I'd need a loader for autocad files .dwg, .dxf and/or .dwf
where can I get it?
thanks
---Oscar Guindzberg[EMAIL PROTECTED]
I assume that you realize of course that textures MUST be power of 2 for
Java3D, and that somewhere in the texture loading the image is being
resized to power of 2 (or is there something new in the current Beta
release I don't know about?)
-Lee
-Original Message-
From: John Wright [mailt
Yes Lee, Java 3D by specs requires images that are powers of two. As it
was explained to me the TextureLoader does this for us (assuming you use
it and don't load the textures yourself). None of our odd shaped
textures give a GeForce, TNT, Matrox or software rendering any trouble -
it's only the
Hi,
maybe, you can fix it like this:
PickIntersection info = ...
Vector3d normal = calculateNormal( info.getPrimitiveCoordinates() );
and
private Vector3d calculateNormal(Point3d[] verts) {
if ( verts.length < 3 ) {
return null;
} else {
Vect
I've tried using 1.2.1 with DirectX 8 (the latest) and when I start a J3D
application it states that
it needs DirectX7.
Is this the expected behaviour ?.
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John,
It just seems odd because by the time it gets to the voodoo it is power
of 2. Have you considered resizing the image to power of 2 by hand (ala
Photoshop or other), and then running it? If you have a (176x256)
texture, from looking at the "TextureLoader" code it would be resized to
the "ne
My best solution is to use gif87a images with a white
background (black letters on white background) instead of gif89a
images (black letters on a transparent background), and to use the 'modulate'
mode.
I change the color of the object that the gif is texured with (from dark to
light)
to get the e
Lee,
Yes, most of our images have been resized to powers of two before being
imported. It isn't a "distortion" corruption the Voodoo 3 is doing, the
Voodoo is chewing the images up - some look like repeat tiling. It's as
if the Voodoo 3 sees that the image doesn't fill the space and tries to
ti
I have a problem loading some DXFs files. I
create a Scene, and then I call scene.getSceneGroup() but this returns null. Any
help?
I am sending you :
- A zipped file that contains 2 .dxf files (one
works fine, the other have the mentioned problem)
- the program I use for loading (wich is
Hi all,
I've a problem with picking objects.
I've done for all the nodes : setPickable(true).
and I've done for some nodes : setCapability(ENABLE_PICK_REPORTING)
I have a PickCanvas with mode : PickTool.GEOMETRY
When I get a pickResult with PickResult.pickClosest() we always get the
same result.
Oscar,
I just tried pullin up both DXF
files in 3D Exploration (3D file viewer) and I noticed that the mech file didn't
actually show up in 3D but as what looked like a texture on a plane. The
MyObject file on the other hand showed up as two boxes connected together by one
of the small box'
Hi u all,
I need to store an image in a .jar file, and then to load it in a class,
which is in the same .jar.
How could I do that? (which method to use??)
Any help welcome.
Cédric Brunner
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You can find that information by doing a search of this
group's archives. This question was answered in the last
month or two.
http://archives.java.sun.com/cgi-bin/wa?S2=java3d-interest&m=19064&q=image+and+jar
- John
Brunner Cedric wrote:
>
> Hi u all,
>
> I need to store an image in a .jar fi
Can I load and display a 2D graph (for example
an autocad .dxf file that is actually 2D not 3D) using a standard 3D loader?.
-Oscar Guindzberg[EMAIL PROTECTED]
Just a little comment here. Has anybody tried working with the images and
making sure that they are transparent, or do you just assume it because you
set them up as transparent in some editor? Here is where I'm going with
this:
There are several web-pages that I designed. In many of them I need
Making images with transparent areas is not straightforward with PSP or
with Photoshop.
I finally hit upon the method while reading directions I found on the
Adobe site. In Photoshop, I create an RGB image, and then add a
"Channel" (not layer). I paint in this channel all the areas I want to
be
Jasc and paintshop work in terms of layers. This means that there is no
real "image" really. Under these conditions "transparent" just means that
the paint application has nothing to show in those areas and so instead
shows their default checkerbox, etc. When paint programs go to save these
lay
Hi,
>MIME-Version: 1.0
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>Date: Mon, 20 Nov 2000 13:43:23 -
>From: malcolm binstead <[EMAIL PROTECTED]>
>Subject: Re: [JAVA3D] 1.2.1 beta DirectX8.0 issues
>To:
Hi again all,
I have a question about texture loading. A little background:
At Dali, we are rendering dynamic, skinned articulated rigid
bodies in real time. Such entities require many pieces of data to
describe. We have written six loaders for this data: skeletons,
muscles, mesh, materials,
Hi Tina,
I'm a PhD at Strathclyde Uni (ABACUS Unit) instead...we have the VRML model
of Glasgow free to download ... go to www.vrglasgow.co.uk . The model is in
VRML 1, if you need a VRML 97 just convert it..
Let me know if you need anything else...
Giuseppe.
-
Is it still true that picking does not provide the
point of intersection info? Thanks.
__
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Hi,
I'm working in Java3D...i'm trying to
stop 2 objects from collision...i tried the to add
WakeupOnCollisionEntry..it fries on collision...but how do i stop the object
which collided from going further up...(i.e) i want the object to stop moving as
soon as its collides with another ob
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