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CompositeViewer support: Difference between revisions
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→Background: http://www.mail-archive.com/flightgear-devel@lists.sourceforge.net/msg28647.html
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== Background == | == Background == | ||
{{cquote|<nowiki>What i want to achieve: Multiple views of the same scene . Lets call them | |||
View1 and View2(they may be on 2 separate screens). There should be only one | |||
instance of flightgear running. I should be able to have "View1 = Cockpit | |||
View & View2 = Chase View" or "View1 = Helicopter View & View2 = Cockpit | |||
View" or any other such combination of views. I am using FlightGear 2.0.0 | |||
I should be able to switch the view in each viewport without affecting the | |||
view in the other view port. i.e i should be able to double right click and | |||
change the view on each display with the mouse without affecting the view in | |||
the other display. | |||
README.multiscreen in the FlightGear documentation says its possible to | |||
create a master camera and a slave camera that is offset from the master | |||
camera. BUT I want 2 master cameras that can switch to any view at any time.</nowiki><ref>{{cite web |url=http://www.mail-archive.com/flightgear-devel@lists.sourceforge.net/msg28647.html|title=<nowiki>Multiple views without slaving to master camera</nowiki>|author=<nowiki></nowiki>|date=<nowiki></nowiki>}}</ref>|<nowiki></nowiki>}} | |||
{{cquote|I have just been trying out the multiple screen feature in FG. I found that | {{cquote|I have just been trying out the multiple screen feature in FG. I found that | ||
the GUI camera (including the menu bar, hud and 2D panel) appears in only | the GUI camera (including the menu bar, hud and 2D panel) appears in only | ||
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{{cquote|That would require a change in current fg architecture to use a CompositeViewer instead of a single Viewer, but we're contemplating that anyway.<ref>{{cite web |url=http://www.mail-archive.com/flightgear-devel@lists.sourceforge.net/msg17263.html|title=<nowiki>Re: [Flightgear-devel] Cockpit displays (rendering, modelling)</nowiki>|author=Tim Moore|date=Mon, 04 Aug 2008 02:43:52 -0700}}</ref>|Tim Moore}} | {{cquote|That would require a change in current fg architecture to use a CompositeViewer instead of a single Viewer, but we're contemplating that anyway.<ref>{{cite web |url=http://www.mail-archive.com/flightgear-devel@lists.sourceforge.net/msg17263.html|title=<nowiki>Re: [Flightgear-devel] Cockpit displays (rendering, modelling)</nowiki>|author=Tim Moore|date=Mon, 04 Aug 2008 02:43:52 -0700}}</ref>|Tim Moore}} | ||
{{cquote|The cameras in a camera group don't need to render directly to the | |||
screen. They can render to a texture which can be used either in the | |||
scene, like in a video screen in the instrument panel, or for distortion | |||
correction in a projected or dome environment.<ref>{{cite web |url=http://www.mail-archive.com/flightgear-devel@lists.sourceforge.net/msg17001.html|title=<nowiki>[Flightgear-devel] RFC: changes to views and cameras</nowiki>|author=Tim Moore|date=Thu, 26 Jun 2008 03:53:05 -0700}}</ref>|Tim Moore}} | |||
{{cquote|Open Scene Graph supports a CompositeViewer object that supports rendering from several widely separated viewpoints, complete with | {{cquote|Open Scene Graph supports a CompositeViewer object that supports rendering from several widely separated viewpoints, complete with | ||
support for multiple terrain pager threads. We could move to CompositeViewer and support simultaneous views from e.g., the tower, AI | support for multiple terrain pager threads. We could move to CompositeViewer and support simultaneous views from e.g., the tower, AI | ||