After you first create the Canvas3D... // Set background to pColor Background vBackground = new Background(new Color3f(pColor)); vCanvas.getGraphicsContext3D().setBackground(vBackground);
And in the preRender method of your extended Canvas3D... // Clear background to background color super.getGraphicsContext3D().clear(); Sean > -----Original Message----- > From: Raghavendra R [mailto:[EMAIL PROTECTED]] > Sent: Tuesday, July 30, 2002 5:56 AM > To: [EMAIL PROTECTED] > Subject: Re: [JAVA3D] Change background color of Canvas3D > > > Hi, > > > I am calling the repaint method from a method "PrintImage". I > have used > the piece of code in "http://www.j3d.org/faq/capturing.html";. I tried > setting the Canvas background color and also tried to get Graphics2D > from the BufferedImage and set the color etc, but still the background > remains black. > > PrintImage() > { > myCanvas.repaint() > } > > RenderCanvas extends Canvas3D > { > postSwap() > { > GraphicsContext3D ctx = getGraphicsContext3D(); > Rectangle rect = getBounds() ; > > Raster ras = new Raster(new Point3f(-1.0f,-1.0f,-1.0f), > Raster.RASTER_COLOR, 0, 0, rect.width, > rect.height, new > ImageComponent2D(ImageComponent.FORMAT_RGB, > new BufferedImage(rect.width, rect.height, > BufferedImage.TYPE_INT_RGB)), null); > > BufferedImage img = ras.getImage().getImage(); > > try > { > FileOutputStream out = > new > FileOutputStream("images/Capture"+postSwapCount_+".jpg"); > JPEGImageEncoder encoder = > JPEGCodec.createJPEGEncoder(out); > JPEGEncodeParam param = > encoder.getDefaultJPEGEncodeParam(img); > param.setQuality(0.9f, false); > encoder.setJPEGEncodeParam(param); > encoder.encode(img); > writeJPEG = false; > out.close(); > } > catch (IOException e) > { > > } > } > } > > Shouldn't i be setting the background color of the Canvas3D before > calling the repaint method or can we swap the colors in the > BufferedImage? > > Thanks > Raghav > > > David Bourgais wrote: > > > Hi ! > > > > To change your background color, you sohould use this : > > > > float coul1, coul2, coul3; /*In french, coul for couleur (couleur = > > color in perfect english)*/ > > Background bg = new Background(coul1, coul2, coul3); > > bg.setCapability(bg.ALLOW_COLOR_READ); > > bg.setCapability(bg.ALLOW_COLOR_WRITE); > > bg.setApplicationBounds(/*your BoundingSphere*/); > > YourScene.addChild(bg); > > //Changing the background color > > float a, b, c; > > bg.setColor(a,b,c); > > > > I hope that it will help you. > > > > David Bourgais > > > > > ============================================================== > ============= > > > > 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". > ==========================================================================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".
