hi ,
was'nt sure if the message reached the everybody, so i send it again
ciao
Richie
----- Original Message -----
Sent: Saturday, January 06, 2001 2:11 PM
Subject: Re: texturing in .obj file
> Dear Paul Pantera
>
> I am also facing a similar problem like mentioned by somebody before.
> when i load the geometry from an .obj file and then give it a
appearance(and
> texture) the texture sure is loaded on it but not the whole image, since
> texture coordinates r not set.
> i tried to create a geometry in java3d itself as a quadarray and then set
> the same appearnce object in it along with texture coordinates, then it
> works fine. the code for both conditions is given below:
>
> //here since the texture coords r not set , the image is mapped only
partly
> and not wholly on the object
>
> Scene s = f.load(filename);
> BranchGroup obj = s.getSceneGroup();
> Shape3D shape = (Shape3D) obj.getChild(0);
> GeometryArray g = (GeometryArray) shape.getGeometry();
> shape.setGeometry(g);
>
> Appearance appear = new Appearance();
> appear.setCapability( TextureAttributes.ALLOW_MODE_WRITE );
> TextureLoader myLoader = new TextureLoader( "image.gif", this );
> ImageComponent2D myImage = myLoader.getImage( );
> Texture2D myTex = new Texture2D(Texture.BASE_LEVEL,
> Texture.RGBA,
> image.getWidth(),
> image.getHeight());
> myTex.setImage( 0, myImage );
> myTex.setEnable( true );
> appear.setTexture(myTex);
>
> shape.setAppearance(appear2);
> TG.addChild(obj);
> --------------------------------------------------------------------------
--
> -----
> //here the geometry incorporates the texturecoordinates and hence the
image
> is mapped fully
>
> Point3f[] myCoords = {new Point3f( ).................... };
> Point2f[] myTexCoords = {new Point2f( )............... };
> QuadArray myQuads = new
QuadArray(myCoords.length,GeometryArray.COORDINATES
> |GeometryArray.TEXTURE_COORDINATE_2 );
> myQuads.setCoordinates( 0, myCoords );
> myQuads.setTextureCoordinates( 0, myTexCoords );
> Shape3D myShape = new Shape3D( myQuads, appear );
> TG.addChild(myShape);
> --------------------------------------------------------------------------
--
> ----------------------
> Is there someway to setTextureCoordinates to a geometry loaded from a .obj
> file or to covert the geometryarray into a Point3f[] ???
>
> i tried setTextureCoordinates(0, Coords) on the geometry array but gives
an
> error.
> Also i tried to look for objectfile javadoc as mentioned by u, but did not
> find it specifically..
> the ObjLoad file included along with the SDK demo progs, but there one
> doesnt assign any material props to the object so everythng comes with a
> default material somehow.
>
> thankx in advance
> R. Jindal
>
>
>
>
>
>
> ----- Original Message -----
> From: "Paul Pantera" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Tuesday, January 02, 2001 9:59 PM
> Subject: Re: [JAVA3D] texturing in .obj file
>
>
> > Texturing is supported by the .obj file format and the loader. You
> > don't need to add code to your program to support textures. A texture
> > is simply a material property applied to parts of the model. The .obj
> > file format is described in the ObjectFile javadoc (separate
> > download). You can figure it out by reading that, or you can look at
> > the demo in the SDK:
> >
> > cd demo/java3d/ObjLoad
> > java ObjLoad ../geometry/minimart.obj
> >
> > Look at minimart.obj to see how it's done.
> >
> > The code of ObjLoad and ObjectFile is included in utils-src.jar
> > (included in the sdk).
> >
> > -Paul
> >
> > > MIME-Version: 1.0
> > > Date: Thu, 28 Dec 2000 19:25:06 +0900
> > > From: À̽ÂÁØ <[EMAIL PROTECTED]>
> > > Subject: [JAVA3D] texturing in .obj file
> > > To: [EMAIL PROTECTED]
> > >
> > > Please help me.
> > > how texturing in obj files.
> > >
> > > Scene s = null;
> > > s = f.load("c:/3ds_object/body.obj");
> > > Transformgroup objScale = new TransformGroup();
> > > objScale.addChild(s.getSceneGroup());
> > >
> > > Appearance app = new Appearance();
> > > Texture tex = new TextureLoader("front.jpg", this).getTexture();
> > > app.setTexture(tex);
> > > TextureAttributes texAttr = new TextureAttributes();
> > > texAttr.setTextureMode(TextureAttributes.MODULATE);
> > > app.setTextureAttributes(texAttr);
> > >
> > > BranchGroup b1 = s.getSceneGroup();
> > > Shape3D shape1 = (Shape3D) b1.getChild(0);
> > > GeometryArray g1 = (GeometryArray) shape1.getGeometry();
> > > shape1.setGeometry(g1);
> > > shape1.setAppearance(app);
> > >
> > > I think must figure out about TEXTURE_COORDS
> > > help me.
> > >
> > >
>
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email
> to
> > > [EMAIL PROTECTED] and include in the body of the message "help".
> >
> >
>
===========================================================================
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> body
> > of the message "signoff JAVA3D-INTEREST". For general help, send email
to
> > [EMAIL PROTECTED] and include in the body of the message "help".
>
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