Hi John, I haven't personally tried this but an educated guess is that you'll need to do is keep polling the DatabasePager::getFileRequestListSize() till it returns 0. Something like:
while(!viewer.done() && viewer.getDatabasePager()->getFileRequestListSize()>0) frame(); Robert. On Tue, Oct 28, 2008 at 2:34 PM, John Vidar Larring <[EMAIL PROTECTED]> wrote: > Hi all, > > _Goal_: I'd like to make a command-line tool where I can open paged > database, set the camera at a particular position and supply a filename, and > the program will dump an image and exit. > > % ./osgautocapture > Usage: ./osgautocapture [options] filename ... > Options: > --active Use active rendering instead of passive / lazy rendering > --camera <lat> <lon> <alt> <heading> <incline> <roll> Specify camera > position for image capture. Angles are specified in degrees and altitude in > meters above sealevel (e.g. --camera 55 10 300000 0 30 0) > --filename Filename for the captured image > > Example below yields the attached image called autocapture.jpg: > ./osgautocapture --camera 55 10 300000 0 30 0 --filename autocapture.jpg > http://www.openscenegraph.org/data/earth_bayarea/earth.ive > > (Robert: thanks for making that database available;) > > _Problem_: The image is blurred because the the necessary level of detail > has not been loaded when the image is captured (Ref: autocapture.jpg) > > If I force to program to render the 180 frames before capturing, I'll get at > descent image (ref: autocapture_180_frames.jpg). However, this approach will > either not give a good result or take more time and resources than > necessary. > > What I would like to do is to query the DatabasePager to find out whether or > not it needs load more tiles for the image to be rendered with the correct > level of detail. However, I can't seem to find the correct method (or > correct context for calling the method) for finding out when the > DatabasePager is done loading all necessary tiles. > > Please, help. I'm quite stuck. The complete source code is attached to this > email. > > Best regards, > John > > > > > > > -- > This message has been scanned for viruses and > dangerous content by MailScanner, and is > believed to be clean. > > > _______________________________________________ > 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
