def main(argv):
# use an ArgumentParser object to manage the program arguments.
arguments = osg.ArgumentParser(argv)
# read the scene from the list of file specified commandline args.
scene = osgDB.readNodeFiles(arguments)
if not scene and arguments.read("--relative-camera-scene") :
# Create a test scene with a camera that has a relative reference frame.
group = osg.Group()
sphere = osg.Geode()
sphere.setName("Sphere")
sphere.addDrawable(osg.ShapeDrawable(osg.Sphere()))
cube = osg.Geode()
cube.setName("Cube")
cube.addDrawable(osg.ShapeDrawable(osg.Box()))
camera = osg.Camera()
camera.setRenderOrder(osg.Camera.POST_RENDER)
camera.setClearMask(GL_DEPTH_BUFFER_BIT)
camera.setReferenceFrame(osg.Transform.RELATIVE_RF)
camera.setViewMatrix(osg.Matrix.translate(-2, 0, 0))
xform = osg.MatrixTransform(osg.Matrix.translate(1, 1, 1))
xform.addChild(camera)
group.addChild(sphere)
group.addChild(xform)
camera.addChild(cube)
scene = group
# if not loaded assume no arguments passed in, try use default mode instead.
if not scene : scene = osgDB.readNodeFile("fountain.osgt")
group = dynamic_cast<osg.Group*>(scene)
if not group :
group = osg.Group()
group.addChild(scene)
updateText = osgText.Text()
# add the HUD subgraph.
group.addChild(createHUD(updateText))
if arguments.read("--CompositeViewer") :
view = osgViewer.View()
# add the handler for doing the picking
view.addEventHandler(PickHandler(updateText))
# set the scene to render
view.setSceneData(group)
view.setUpViewAcrossAllScreens()
viewer = osgViewer.CompositeViewer()
viewer.addView(view)
return viewer.run()
else:
viewer = osgViewer.Viewer()
# add all the camera manipulators
keyswitchManipulator = osgGA.KeySwitchMatrixManipulator()
keyswitchManipulator.addMatrixManipulator( ord("1"), "Trackball", osgGA.TrackballManipulator() )
keyswitchManipulator.addMatrixManipulator( ord("2"), "Flight", osgGA.FlightManipulator() )
keyswitchManipulator.addMatrixManipulator( ord("3"), "Drive", osgGA.DriveManipulator() )
num = keyswitchManipulator.getNumMatrixManipulators()
keyswitchManipulator.addMatrixManipulator( ord("4"), "Terrain", osgGA.TerrainManipulator() )
pathfile = str()
keyForAnimationPath = ord("5")
while arguments.read("-p",pathfile) :
apm = osgGA.AnimationPathManipulator(pathfile)
if apm or not apm.valid() :
num = keyswitchManipulator.getNumMatrixManipulators()
keyswitchManipulator.addMatrixManipulator( keyForAnimationPath, "Path", apm )
++keyForAnimationPath
keyswitchManipulator.selectMatrixManipulator(num)
viewer.setCameraManipulator( keyswitchManipulator )
# add the handler for doing the picking
viewer.addEventHandler(PickHandler(updateText))
# set the scene to render
viewer.setSceneData(group)
return viewer.run()
# of the view frustum.
root.addChild( makeFrustumFromCamera( NULL ) )
scene = osg.Node()
scene = osgDB.readNodeFiles( arguments )
if not scene :
# User didn't specify anything, or file(s) didn't exist.
# Try to load the cow...
osg.notify( osg.WARN ), arguments.getApplicationName(), ": Could not find specified files. Trying \"cow.osgt\" instead."
if not (scene = osgDB.readNodeFile( str( "cow.osgt" ) ) ) :
osg.notify( osg.FATAL ), arguments.getApplicationName(), ": No data loaded."
return 1
root.addChild( scene )
viewer = osgViewer.CompositeViewer( arguments )
# Turn on FSAA, makes the lines look better.
osg.DisplaySettings.instance().setNumMultiSamples( 4 )
# Create View 0 -- Just the loaded model.
view = osgViewer.View()
viewer.addView( view )
view.setUpViewInWindow( 10, 10, 640, 480 )
view.setSceneData( scene )
view.setCameraManipulator( osgGA.TrackballManipulator )()
# Create view 1 -- Contains the loaded moel, as well as a wireframe frustum derived from View 0's Camera.
view = osgViewer.View()
viewer.addView( view )
def main(argv):
# use an ArgumentParser object to manage the program arguments.
arguments = osg.ArgumentParser(argv)
# read the scene from the list of file specified commandline args.
scene = osgDB.readNodeFiles(arguments)
# if not loaded assume no arguments passed in, try use default model instead.
if not scene : scene = osgDB.readNodeFile("dumptruck.osgt")
if not scene :
osg.notify(osg.NOTICE), "No model loaded"
return 1
if arguments.read("--Viewer") :
# construct the viewer.
viewer = osgViewer.Viewer()
# create a HUD as slave camera attached to the master view.
viewer.setUpViewAcrossAllScreens()
windows = osgViewer.Viewer.Windows()
viewer.getWindows(windows)
if windows.empty() : return 1
hudCamera = createHUD()
# set up cameras to render on the first window available.
hudCamera.setGraphicsContext(windows[0])
hudCamera.setViewport(0,0,windows[0].getTraits().width, windows[0].getTraits().height)
viewer.addSlave(hudCamera, False)
# set the scene to render
viewer.setSceneData(scene)
return viewer.run()
if arguments.read("--CompositeViewer") :
# construct the viewer.
viewer = osgViewer.CompositeViewer()
# create the main 3D view
view = osgViewer.View()
viewer.addView(view)
view.setSceneData(scene)
view.setUpViewAcrossAllScreens()
view.setCameraManipulator(osgGA.TrackballManipulator)()
# now create the HUD camera's view
windows = osgViewer.Viewer.Windows()
viewer.getWindows(windows)
if windows.empty() : return 1
hudCamera = createHUD()
# set up cameras to render on the first window available.
hudCamera.setGraphicsContext(windows[0])
hudCamera.setViewport(0,0,windows[0].getTraits().width, windows[0].getTraits().height)
hudView = osgViewer.View()
hudView.setCamera(hudCamera)
viewer.addView(hudView)
return viewer.run()
else:
# construct the viewer.
viewer = osgViewer.Viewer()
postDrawCallback = SnapImage("PostDrawCallback.png")
viewer.getCamera().setPostDrawCallback(postDrawCallback)
viewer.addEventHandler(SnapeImageHandler(ord("p"),postDrawCallback))
finalDrawCallback = SnapImage("FinalDrawCallback.png")
viewer.getCamera().setFinalDrawCallback(finalDrawCallback)
viewer.addEventHandler(SnapeImageHandler(ord("f"),finalDrawCallback))
group = osg.Group()
# add the HUD subgraph.
if scene.valid() : group.addChild(scene)
group.addChild(createHUD())
# set the scene to render
viewer.setSceneData(group)
return viewer.run()
def main(argv):
arguments = osg.ArgumentParser(argv)
# construct the viewer.
viewer = osgViewer.CompositeViewer(arguments)
if arguments.argc()<=1 :
print "Please supply an image filename on the commnand line."
return 1
filename = arguments[1]
image = osgDB.readImageFile(filename)
if not image :
print "Error: unable able to read image from ", filename
return 1
wsi = osg.GraphicsContext.getWindowingSystemInterface()
if not wsi :
osg.notify(osg.NOTICE), "Error, no WindowSystemInterface available, cannot create windows."
return 1
unsigned int width, height
wsi.getScreenResolution(osg.GraphicsContext.ScreenIdentifier(0), width, height)
traits = osg.GraphicsContext.Traits()
traits.x = 0
traits.y = 0
traits.width = width
traits.height = height
traits.windowDecoration = False
traits.doubleBuffer = True
gc = osg.GraphicsContext.createGraphicsContext(traits)
if not gc :
print "Error: GraphicsWindow has not been created successfully."
gc.setClearColor(osg.Vec4(0.0,0.0,0.0,1.0))
gc.setClearMask(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
trackball = osgGA.TrackballManipulator()
typedef std.vector< osg.Node > Models
models = Models()
models.push_back(creatQuad("no compression", image, osg.Texture.USE_IMAGE_DATA_FORMAT, osg.Texture.LINEAR))
models.push_back(creatQuad("ARB compression", image, osg.Texture.USE_ARB_COMPRESSION, osg.Texture.LINEAR))
models.push_back(creatQuad("DXT1 compression", image, osg.Texture.USE_S3TC_DXT1_COMPRESSION, osg.Texture.LINEAR))
models.push_back(creatQuad("DXT3 compression", image, osg.Texture.USE_S3TC_DXT3_COMPRESSION, osg.Texture.LINEAR))
models.push_back(creatQuad("DXT5 compression", image, osg.Texture.USE_S3TC_DXT5_COMPRESSION, osg.Texture.LINEAR))
numX = 1
numY = 1
# compute the number of views up and across that are need
aspectRatio = float(width)/float(height)
multiplier = sqrtf(float(models.size())/aspectRatio)
multiplier_x = multiplier*aspectRatio
multiplier_y = multiplier
if multiplier_x/ceilf(multiplier_x) : > (multiplier_y/ceilf(multiplier_y)) :
numX = int(ceilf(multiplier_x))
numY = int(ceilf(float(models.size())/float(numX)))
def main(argv):
# use an ArgumentParser object to manage the program arguments.
arguments = osg.ArgumentParser(argv)
# read the scene from the list of file specified commandline args.
scene = osgDB.readNodeFiles(arguments)
if not scene :
print argv[0], ": requires filename argument."
return 1
# construct the viewer.
viewer = osgViewer.CompositeViewer(arguments)
if arguments.read("-1") :
view = osgViewer.View()
view.setName("Single view")
view.setSceneData(osgDB.readNodeFile("fountain.osgt"))
view.addEventHandler( osgViewer.StatsHandler )()
view.setUpViewAcrossAllScreens()
view.setCameraManipulator(osgGA.TrackballManipulator)()
viewer.addView(view)
if arguments.read("-2") :
# view one
view = osgViewer.View()
view.setName("View one")
viewer.addView(view)
view.setUpViewOnSingleScreen(0)
view.setSceneData(scene)
view.setCameraManipulator(osgGA.TrackballManipulator)()
# add the state manipulator
statesetManipulator = osgGA.StateSetManipulator()
statesetManipulator.setStateSet(view.getCamera().getOrCreateStateSet())
view.addEventHandler( statesetManipulator )
# view two
view = osgViewer.View()
view.setName("View two")
viewer.addView(view)
view.setUpViewOnSingleScreen(1)
view.setSceneData(scene)
view.setCameraManipulator(osgGA.TrackballManipulator)()
view.addEventHandler( osgViewer.StatsHandler )()
# add the handler for doing the picking
view.addEventHandler(PickHandler())
if arguments.read("-3") or viewer.getNumViews()==0 :
wsi = osg.GraphicsContext.getWindowingSystemInterface()
if not wsi :
osg.notify(osg.NOTICE), "Error, no WindowSystemInterface available, cannot create windows."
return 1
unsigned int width, height
wsi.getScreenResolution(osg.GraphicsContext.ScreenIdentifier(0), width, height)
traits = osg.GraphicsContext.Traits()
traits.x = 100
traits.y = 100
traits.width = 1000
traits.height = 800
traits.windowDecoration = True
traits.doubleBuffer = True
traits.sharedContext = 0
gc = osg.GraphicsContext.createGraphicsContext(traits)
if gc.valid() :
osg.notify(osg.INFO), " GraphicsWindow has been created successfully."
# need to ensure that the window is cleared make sure that the complete window is set the correct colour
# rather than just the parts of the window that are under the camera's viewports
gc.setClearColor(osg.Vec4f(0.2,0.2,0.6,1.0))
gc.setClearMask(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
else:
osg.notify(osg.NOTICE), " GraphicsWindow has not been created successfully."
# view one
view = osgViewer.View()
view.setName("View one")
viewer.addView(view)
view.setSceneData(scene)
view.getCamera().setName("Cam one")
view.getCamera().setViewport(osg.Viewport(0,0, traits.width/2, traits.height/2))
view.getCamera().setGraphicsContext(gc)
view.setCameraManipulator(osgGA.TrackballManipulator)()
# add the state manipulator
statesetManipulator = osgGA.StateSetManipulator()
statesetManipulator.setStateSet(view.getCamera().getOrCreateStateSet())
view.addEventHandler( statesetManipulator )
view.addEventHandler( osgViewer.StatsHandler )()
view.addEventHandler( osgViewer.HelpHandler )()
view.addEventHandler( osgViewer.WindowSizeHandler )()
view.addEventHandler( osgViewer.ThreadingHandler )()
view.addEventHandler( osgViewer.RecordCameraPathHandler )()
# view two
view = osgViewer.View()
view.setName("View two")
viewer.addView(view)
view.setSceneData(scene)
view.getCamera().setName("Cam two")
view.getCamera().setViewport(osg.Viewport(traits.width/2,0, traits.width/2, traits.height/2))
view.getCamera().setGraphicsContext(gc)
view.setCameraManipulator(osgGA.TrackballManipulator)()
# add the handler for doing the picking
view.addEventHandler(PickHandler())
# view three
view = osgViewer.View()
view.setName("View three")
viewer.addView(view)
view.setSceneData(osgDB.readNodeFile("cessnafire.osgt"))
view.getCamera().setName("Cam three")
view.getCamera().setProjectionMatrixAsPerspective(30.0, double(traits.width) / double(traits.height/2), 1.0, 1000.0)
view.getCamera().setViewport(osg.Viewport(0, traits.height/2, traits.width, traits.height/2))
view.getCamera().setGraphicsContext(gc)
view.setCameraManipulator(osgGA.TrackballManipulator)()
while arguments.read("-s") : viewer.setThreadingModel(osgViewer.CompositeViewer.SingleThreaded)
while arguments.read("-g") : viewer.setThreadingModel(osgViewer.CompositeViewer.CullDrawThreadPerContext)
while arguments.read("-c") : viewer.setThreadingModel(osgViewer.CompositeViewer.CullThreadPerCameraDrawThreadPerContext)
# run the viewer's main frame loop
return viewer.run()
def main(argv):
# use an ArgumentParser object to manage the program arguments.
arguments = osg.ArgumentParser(argv)
arguments.getApplicationUsage().addCommandLineOption("--zeroconf","uses zeroconf to advertise the osc-plugin and to discover it")
arguments.getApplicationUsage().addCommandLineOption("--sender","create a view which sends its events via osc")
arguments.getApplicationUsage().addCommandLineOption("--recevier","create a view which receive its events via osc")
# read the scene from the list of file specified commandline args.
scene = osgDB.readNodeFiles(arguments)
if not scene :
print argv[0], ": requires filename argument."
return 1
use_zeroconf = bool(False)
use_sender = bool(False)
use_receiver = bool(False)
if arguments.find("--zeroconf") > 0 : use_zeroconf = True
if arguments.find("--sender") > 0 : use_sender = True
if arguments.find("--receiver") > 0 : use_receiver = True
# construct the viewer.
viewer = osgViewer.CompositeViewer(arguments)
# receiver view
if use_receiver :
traits = osg.GraphicsContext.Traits()
traits.x = 600
traits.y = 100
traits.width = 400
traits.height = 400
traits.windowDecoration = True
traits.doubleBuffer = True
traits.sharedContext = 0
traits.windowName = "Receiver / view two"
gc = osg.GraphicsContext.createGraphicsContext(traits)
view = osgViewer.View()
view.setName("View two")
viewer.addView(view)
group = osg.Group()
group.addChild(scene)
geode = osg.Geode()
group.addChild(geode)
text = osgText.Text()
geode.addDrawable( text )
text.setFont("Arial.ttf")
text.setText("Waiting for data")
text.setPosition(osg.Vec3(-50,0,30))
text.setAxisAlignment(osgText.TextBase.SCREEN)
text.setDataVariance(osg.Object.DYNAMIC)
text.setCharacterSize(2.0)
view.setSceneData(group)
view.getCamera().setName("Cam two")
view.getCamera().setViewport(osg.Viewport(0,0, traits.width, traits.height))
view.getCamera().setGraphicsContext(gc)
view.addEventHandler( osgViewer.StatsHandler )()
view.addEventHandler( UserEventHandler(text) )
device = osgDB.readFile<osgGA.Device>("0.0.0.0:9000.receiver.osc")
if device.valid() and (device.getCapabilities() osgGA.Device.RECEIVE_EVENTS) :
view.addDevice(device)
# add a zeroconf device, advertising the osc-device
if use_zeroconf :
zeroconf_device = osgDB.readFile<osgGA.Device>("_osc._udp:9000.advertise.zeroconf")
if zeroconf_device :
view.addDevice(zeroconf_device)
else:
OSG_WARN, "could not open osc-device, receiving will not work"