Do mean you are reusing a Texture by applying new Images to it?
On 8/18/07, Yefei He <[EMAIL PROTECTED]> wrote: > Hi, Robert, > > Sorry for the confusion. I'm using the term by photographers > (black and white film vs. color film). By black and white I mean > gray scale images. I think there might be something particular > with the first jpeg file that causes some attributes be set which > makes all future images assigned to that texture rendered in > gray scale mode. Let me see if I can send that jpeg file to you > at a later time for testing (it's not on the computer I'm using > right now). > > Regards, > > Yefei > > Quoting Robert Osfield <[EMAIL PROTECTED]>: > > > Hi Yefei, > > > > I don't really follow what the problem is. Is it a problem in the > > Jpeg plugin? What do you mean by black and white mode? Do you mean > > its the plugin is generating an luminance or intensity image? > > > > Robert. > > > > On 8/18/07, Yefei He <[EMAIL PROTECTED]> wrote: > >> Hi, folks, > >> > >> I have noticed this phenomenon regarding textures. I wonder if anybody > >> have an > >> idea on how it can be solved: > >> > >> I'm creating a rectangular geometry with an osg::Texture2D as its > >> texture, and > >> The image of the texture is assigned via setImage(osg::Image* image), which > >> is in > >> turn created from a call to osgDB:ReadImageFile(). The image is a jpg file. > >> It > >> appears that if the jpg file is in B&W mode, then even if I call setImage() > >> again > >> to assign a different image loaded from a color jpg file, the result > >> remains > >> in > >> black and white. Is there a state I have to explicitly set to turn the > >> texture into > >> color mode? The B&W jpg file is a solid black image and the file size is > >> 9KB. An > >> identical image in color mode has a file size of 12KB. If I load the 12KB > >> jpg file > >> as the initial image of the texture, then subsequent color images are all > >> rendered > >> correctly in color. > >> > >> Thanks, > >> > >> Yefei > >> > >> > >> > >> _______________________________________________ > >> osg-users mailing list > >> [email protected] > >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > >> > > _______________________________________________ > > osg-users mailing list > > [email protected] > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > > > > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
