>Delivered-To: [EMAIL PROTECTED] >MIME-Version: 1.0 >Date: Fri, 8 Feb 2002 16:38:58 -0500 >From: Yuri Nikishkov <[EMAIL PROTECTED]> >Subject: [JAVA3D] Blurred background >To: [EMAIL PROTECTED] > >Kelvin or anybody else in Java3D team, > >I have another problem for you, this time in Java3D 1.3 beta1. In our >application we use sort of "hot draw" mode when "cold" geometry is read >using Raster object and then its ImageComponent2D is set to Background node >that is displayed in immediate mode. It works fine in Java3D 1.2.1_03, but >in 1.3 beta1 the background appears slightly blurred. It looks as if >1.2.1_03 uses OpenGL's drawPixels and beta1 uses texture with filtering >turned on to display background. Can you comment on that, is it a bug, or a >new feature, and how to work around that to get correct (not blurred) >background picture? > The filtering mode GL_TEXTURE_MAG_FILTER and GL_TEXTURE_MIN_FILTER when background texture map used is set to GL_NEAREST in v1.3 beta1 as expected. The blending mode is also disable.
Background image may scale according to its mode SCALE_FIT_MIN, SCALE_FIT_MAX etc.. So I guess it might be the driver handle them differently. You might want to try out different graphics card to see the effect. You can also send us a test case to take a look. Thanks. - Kelvin ------------ Java 3D Team Sun Microsystems Inc. =========================================================================== 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".
