Re: [osg-users] osgText background
Just a little up No one has ever tried to put a background on a osgText ? Thanks Vincent. 2008/7/9 Vincent Bourdier [EMAIL PROTECTED]: Hi all, I'm looking at a way to put a geometry (planar surface) as background of an osgText... I was thinking on a mix between billboard geode, and something else to manage the geometry to have the size constant in screen coordinates... but no way to do it as simply as osgText ! Is there any implementation approaching what I intend to do ? I hope yes... else... Am I obliged to implement my self something from zero ? any idea to do it more faster ? Is it interesting for OSG to have this as a new feature for osgText::text ? thanks, regards, Vincent ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] osgText background
Hi, I've used coloured quads behind text, but it was for static HUD text, not dynamic which I think is what you want. jp Vincent Bourdier wrote: Just a little up No one has ever tried to put a background on a osgText ? Thanks Vincent. 2008/7/9 Vincent Bourdier [EMAIL PROTECTED] mailto:[EMAIL PROTECTED]: Hi all, I'm looking at a way to put a geometry (planar surface) as background of an osgText... I was thinking on a mix between billboard geode, and something else to manage the geometry to have the size constant in screen coordinates... but no way to do it as simply as osgText ! Is there any implementation approaching what I intend to do ? I hope yes... else... Am I obliged to implement my self something from zero ? any idea to do it more faster ? Is it interesting for OSG to have this as a new feature for osgText::text ? thanks, regards, Vincent ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org -- This message is subject to the CSIR's copyright terms and conditions, e-mail legal notice, and implemented Open Document Format (ODF) standard. The full disclaimer details can be found at http://www.csir.co.za/disclaimer.html. This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. MailScanner thanks Transtec Computers for their support. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] osgText background
Hi J.P., 2008/7/10 J.P. Delport [EMAIL PROTECTED]: Hi, I've used coloured quads behind text, but it was for static HUD text, not dynamic which I think is what you want. Exactly ! I'm looking at dynamic osgText. I have tried to add quads in osgText (modifying osg sources), when text-setDrawMode(osgText::Text::BOUNDINGBOX) is activated... but text letters and background melt is not very beautiful... I'm ajusting some parameters... but I don't thing it is enough. Thanks, regard, Vincent. jp Vincent Bourdier wrote: Just a little up No one has ever tried to put a background on a osgText ? Thanks Vincent. 2008/7/9 Vincent Bourdier [EMAIL PROTECTED] mailto: [EMAIL PROTECTED]: Hi all, I'm looking at a way to put a geometry (planar surface) as background of an osgText... I was thinking on a mix between billboard geode, and something else to manage the geometry to have the size constant in screen coordinates... but no way to do it as simply as osgText ! Is there any implementation approaching what I intend to do ? I hope yes... else... Am I obliged to implement my self something from zero ? any idea to do it more faster ? Is it interesting for OSG to have this as a new feature for osgText::text ? thanks, regards, Vincent ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org -- This message is subject to the CSIR's copyright terms and conditions, e-mail legal notice, and implemented Open Document Format (ODF) standard. The full disclaimer details can be found at http://www.csir.co.za/disclaimer.html. This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. MailScanner thanks Transtec Computers for their support. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] osgText background
I've done something like that. Each time I change the text, I recompute the geometry (quad) based on the Text's Drawable getBound(). It works for plane aligned text (xy, xz or yz). If you want to do that for screen aligned text, you'll probably have to look osgText code to have the exact size of the Text in screen coordinates. I would not use a billboard in your case, since you'll find difficult to have a billboard with a center of rotation that match with your text (especially if the text is dynamic). Try of quad in a HUD, with screen coordinates extracted from your text, and something smart with z-buffer parameters to have your text over your quad :) Luc Luc FRAUCIEL - BRGM Unité Calcul, 3D et réalité virtuelle Service Systèmes et Technologies de l'Information 3, av C. Guillemin BP 36009 - 45060 Orléans Cedex 2, France Tél. 02 38 64 35 65 Fax 02 38 64 39 70 De : [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] De la part de Vincent Bourdier Envoyé : jeudi 10 juillet 2008 09:24 À : osg Objet : Re: [osg-users] osgText background Just a little up No one has ever tried to put a background on a osgText ? Thanks Vincent. 2008/7/9 Vincent Bourdier [EMAIL PROTECTED]: Hi all, I'm looking at a way to put a geometry (planar surface) as background of an osgText... I was thinking on a mix between billboard geode, and something else to manage the geometry to have the size constant in screen coordinates... but no way to do it as simply as osgText ! Is there any implementation approaching what I intend to do ? I hope yes... else... Am I obliged to implement my self something from zero ? any idea to do it more faster ? Is it interesting for OSG to have this as a new feature for osgText::text ? thanks, regards, Vincent ** Pensez à l'environnement avant d'imprimer ce message Think Environment before printing Le contenu de ce mél et de ses pièces jointes est destiné à l'usage exclusif du (des) destinataire(s) désigné (s) comme tel(s). En cas de réception par erreur, le signaler à son expéditeur et ne pas en divulguer le contenu. L'absence de virus a été vérifiée à l'émission, il convient néanmoins de s'assurer de l'absence de contamination à sa réception. The contents of this email and any attachments areconfidential. They are intended for the named recipient (s) only. If you have received this email in error please notifythe system manager or the sender immediately and do not disclose the contents to anyone or make copies. eSafe scanned this email for viruses, vandals and malicious content. **___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] osgText background
Hi Luc, 2008/7/10 Frauciel Luc [EMAIL PROTECTED]: I've done something like that. Each time I change the text, I recompute the geometry (quad) based on the Text's Drawable getBound(). It works for plane aligned text (xy, xz or yz). If you want to do that for screen aligned text, you'll probably have to look osgText code to have the exact size of the Text in screen coordinates. I'm currently modifying a little osgText sources to make tests, but it sounds difficult for the moment. I would not use a billboard in your case, since you'll find difficult to have a billboard with a center of rotation that match with your text (especially if the text is dynamic). Very good remark, I was not thinking of the center of rotation... Try of quad in a HUD, with screen coordinates extracted from your text, and something smart with z-buffer parameters to have your text over your quad :) Luc Luc FRAUCIEL - BRGM Unité Calcul, 3D et réalité virtuelle Service Systèmes et Technologies de l'Information 3, av C. Guillemin BP 36009 - 45060 Orléans Cedex 2, France Tél. 02 38 64 35 65 Fax 02 38 64 39 70 Thanks for you reply, I understand that nothing approaching still exist, so I've to do it myself... Still waiting for reply I you have new ideas or experiences... thanks a lot, regards, Vincent. -- *De :* [EMAIL PROTECTED] [mailto: [EMAIL PROTECTED] *De la part de* Vincent Bourdier *Envoyé :* jeudi 10 juillet 2008 09:24 *À :* osg *Objet :* Re: [osg-users] osgText background Just a little up No one has ever tried to put a background on a osgText ? Thanks Vincent. 2008/7/9 Vincent Bourdier [EMAIL PROTECTED]: Hi all, I'm looking at a way to put a geometry (planar surface) as background of an osgText... I was thinking on a mix between billboard geode, and something else to manage the geometry to have the size constant in screen coordinates... but no way to do it as simply as osgText ! Is there any implementation approaching what I intend to do ? I hope yes... else... Am I obliged to implement my self something from zero ? any idea to do it more faster ? Is it interesting for OSG to have this as a new feature for osgText::text ? thanks, regards, Vincent P* **Pensez à l'environnement avant d'imprimer ce message* *Think** Environment before printing* Le contenu de ce mél et de ses pièces jointes est destiné à l'usage exclusif du (des) destinataire(s) désigné(s) comme tel(s). En cas de réception par erreur, le signaler à son expéditeur et ne pas en divulguer le contenu. L'absence de virus a été vérifiée à l'émission, il convient néanmoins de s'assurer de l'absence de contamination à sa réception. The contents of this email and any attachments are confidential. They are intended for the named recipient(s) only. If you have received this email in error please notify the system manager or the sender immediately and do not disclose the contents to anyone or make copies. eSafe scanned this email for viruses, vandals and malicious content. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] osgText background
Hi all, I'm looking at a way to put a geometry (planar surface) as background of an osgText... I was thinking on a mix between billboard geode, and something else to manage the geometry to have the size constant in screen coordinates... but no way to do it as simply as osgText ! Is there any implementation approaching what I intend to do ? I hope yes... else... Am I obliged to implement my self something from zero ? any idea to do it more faster ? Is it interesting for OSG to have this as a new feature for osgText::text ? thanks, regards, Vincent ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
