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#1
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drives two walls with a single PC and an nVidia graphics card
Hi,
I am trying to use a single PC with an nVidia Quadro 6000 graphics card to drive a two wall (front and floor) system in Vizard 4.0. Currently I have one project each connect to a DVI port of the graphics card. I am using the following cave setting. However I always get one image which extends to two screens. Could anyone shed me a light? Thanks. I am aware most setting is done with two PC sync by clustering. I just wonder this is possible. My code is listed below. Haijun ************************ import viz import vizcave import viztracker # Declare constants defining the CAVE dimensions W = 3.410 # 10 feet wide H = 2.140 #7.5 feet tall D = 2.200 # 7.5 feet deep C0 = 0,H,0 # Front Wall: C1,C2,C5,C6 C1 = 0,H,D # Left Wall: C0,C1,C4,C5 C2 = W,H,D # Right Wall: C2,C3,C6,C7 C3 = W,H,0 # Bottom Wall: C5,C6,C4,C7 C4 = 0,0,0 C5 = 0,0,D C6 = W,0,D C7 = W,0,0 #Create front wall FrontWall = vizcave.Wall( upperLeft=C1, # 0, 2.286, 3.048 upperRight=C2, # 3.048, 2.286, 3.048 lowerLeft=C5, # 0, 0, 3.048 lowerRight=C6, # 3.048, 0, 3.048 name='Front Wall' ) #Create left wall LeftWall = vizcave.Wall( upperLeft=C0, upperRight=C1, lowerLeft=C4, lowerRight=C5, name='Left Wall' ) #Create right wall RightWall = vizcave.Wall( upperLeft=C2, upperRight=C3, lowerLeft=C6, lowerRight=C7, name='Right Wall' ) #Create bottom wall BottomWall = vizcave.Wall( upperLeft=C5, upperRight=C6, lowerLeft=C4, lowerRight=C7, name='Bottom Wall' ) #Initialize graphics window viz.go(viz.FULLSCREEN) #viz.go(viz.FULLSCREEN|viz.QUAD_BUFFER) #Create cave object cave = vizcave.Cave() #Add each wall, make sure that they are ordered in the cluster software correctly to match this ordering cave.addWall(FrontWall, mask=viz.MASTER) #cave.addWall(LeftWall, mask=viz.CLIENT1) #cave.addWall(RightWall, mask=viz.CLIENT2) cave.addWall(BottomWall, mask=viz.CLIENT3) #Create tracker object using the keyboard (WASD keys control the viewpoint, the user's eye location) #Make the starting location for the user's eye the exact center of the CAVE viewtracker = viztracker.KeyboardPos() viewtracker.setPosition (W/2.0,H/2.0,D/2.0) #Pass the viewpoint tracker into the cave object so it can be automatically updated cave.setTracker(pos=viewtracker) #Create CaveView object for manipulating the entire cave environment #The caveorigin is a node that can be adjusted to move the entire cave around the virtual environment caveorigin = vizcave.CaveView(viewtracker) #Create another tracker using the keyboard and mouse (arrow keys adjust position, mouse changes orientation) origintracker = viztracker.KeyboardMouse6DOF() #Link the keyboard/mouse so that it moves the cave and user around the virtual environment #originlink = viz.link (origintracker, caveorigin) #Add gallery environment model viz.add('gallery.ive') ************************ |
#2
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If you're running the CAVE on a single machine you can specify a Vizard window to draw each wall to rather than a master or client machine. If you take a look at the <vizcave:Cave>.addWall documentation this will be more clear. You can create a subwindow that takes up half the screen and place that next to Vizard's MainWindow, one for each wall.
You can also try using clustering on a single machine if you have the Enterprise version of Vizard. For this, check localhost in the cluster master utility. There is a count field where you can specify the number of clients. If you leave that number at 1 there will be two graphics windows created. |
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