class MainWindow (QWidget) :
MainWindow()
traits = osg.GraphicsContext.Traits(osg.DisplaySettings.instance())
traits.width = width()
traits.height = height()
traits.doubleBuffer = True
graphicsWindow = osgQt.GraphicsWindowQt(traits)
grid = QGridLayout()
grid.setMargin(0)
grid.addWidget(graphicsWindow.getGLWidget(), 0, 0)
setLayout(grid)
_viewer.setThreadingModel(osgViewer.Viewer.SingleThreaded)
camera = _viewer.getCamera()
camera.setGraphicsContext(graphicsWindow)
camera.setViewport(osg.Viewport(0, 0, width(), height()))
startTimer(10)
def setDomeFaces(viewer, arguments):
wsi = osg.GraphicsContext.getWindowingSystemInterface()
if not wsi :
osg.notify(osg.NOTICE), "Error, no WindowSystemInterface available, cannot create windows."
return
unsigned int width, height
wsi.getScreenResolution(osg.GraphicsContext.ScreenIdentifier(0), width, height)
while arguments.read("--width",width) :
while arguments.read("--height",height) :
traits = osg.GraphicsContext.Traits()
traits.x = 0
traits.y = 0
traits.width = width
traits.height = height
traits.windowDecoration = True
traits.doubleBuffer = True
traits.sharedContext = 0
gc = osg.GraphicsContext.createGraphicsContext(traits)
if not gc :
osg.notify(osg.NOTICE), "GraphicsWindow has not been created successfully."
return
center_x = width/2
center_y = height/2
camera_width = 256
camera_height = 256
# front face
camera = osg.Camera()
camera.setGraphicsContext(gc)
camera.setViewport(osg.Viewport(center_x-camera_width/2, center_y, camera_width, camera_height))
buffer = GL_BACK if (traits.doubleBuffer) else GL_FRONT
camera.setDrawBuffer(buffer)
camera.setReadBuffer(buffer)
viewer.addSlave(camera, osg.Matrixd(), osg.Matrixd())
# top face
camera = osg.Camera()
camera.setGraphicsContext(gc)
camera.setViewport(osg.Viewport(center_x-camera_width/2, center_y+camera_height, camera_width, camera_height))
buffer = GL_BACK if (traits.doubleBuffer) else GL_FRONT
camera.setDrawBuffer(buffer)
camera.setReadBuffer(buffer)
viewer.addSlave(camera, osg.Matrixd(), osg.Matrixd.rotate(osg.inDegrees(-90.0), 1.0,0.0,0.0))
# left face
camera = osg.Camera()
camera.setGraphicsContext(gc)
camera.setViewport(osg.Viewport(center_x-camera_width*3/2, center_y, camera_width, camera_height))
buffer = GL_BACK if (traits.doubleBuffer) else GL_FRONT
camera.setDrawBuffer(buffer)
camera.setReadBuffer(buffer)
viewer.addSlave(camera, osg.Matrixd(), osg.Matrixd.rotate(osg.inDegrees(-90.0), 0.0,1.0,0.0))
# right face
camera = osg.Camera()
camera.setGraphicsContext(gc)
camera.setViewport(osg.Viewport(center_x+camera_width/2, center_y, camera_width, camera_height))
buffer = GL_BACK if (traits.doubleBuffer) else GL_FRONT
camera.setDrawBuffer(buffer)
camera.setReadBuffer(buffer)
viewer.addSlave(camera, osg.Matrixd(), osg.Matrixd.rotate(osg.inDegrees(90.0), 0.0,1.0,0.0))
# bottom face
camera = osg.Camera()
camera.setGraphicsContext(gc)
camera.setViewport(osg.Viewport(center_x-camera_width/2, center_y-camera_height, camera_width, camera_height))
buffer = GL_BACK if (traits.doubleBuffer) else GL_FRONT
camera.setDrawBuffer(buffer)
camera.setReadBuffer(buffer)
viewer.addSlave(camera, osg.Matrixd(), osg.Matrixd.rotate(osg.inDegrees(90.0), 1.0,0.0,0.0))
# back face
camera = osg.Camera()
camera.setGraphicsContext(gc)
camera.setViewport(osg.Viewport(center_x-camera_width/2, center_y-2*camera_height, camera_width, camera_height))
buffer = GL_BACK if (traits.doubleBuffer) else GL_FRONT
camera.setDrawBuffer(buffer)
camera.setReadBuffer(buffer)
viewer.addSlave(camera, osg.Matrixd(), osg.Matrixd.rotate(osg.inDegrees(-180.0), 1.0,0.0,0.0))
viewer.getCamera().setProjectionMatrixAsPerspective(90.0, 1.0, 1, 1000.0)
viewer.assignSceneDataToCameras()
def createDomeDistortionMesh(origin, widthVector, heightVector, arguments):
sphere_radius = 1.0
if arguments.read("--radius", sphere_radius) :
collar_radius = 0.45
if arguments.read("--collar", collar_radius) :
center = osg.Vec3d(0.0,0.0,0.0)
eye = osg.Vec3d(0.0,0.0,0.0)
distance = sqrt(sphere_radius*sphere_radius - collar_radius*collar_radius)
if arguments.read("--distance", distance) :
centerProjection = False
projector = eye - osg.Vec3d(0.0,0.0, distance)
osg.notify(osg.NOTICE), "Projector position = ", projector
osg.notify(osg.NOTICE), "distance = ", distance
# create the quad to visualize.
geometry = osg.Geometry()
geometry.setSupportsDisplayList(False)
xAxis = osg.Vec3(widthVector)
width = widthVector.length()
xAxis /= width
yAxis = osg.Vec3(heightVector)
height = heightVector.length()
yAxis /= height
noSteps = 50
vertices = osg.Vec3Array()
texcoords = osg.Vec3Array()
colors = osg.Vec4Array()
bottom = origin
dx = xAxis*(width/((float)(noSteps-1)))
dy = yAxis*(height/((float)(noSteps-1)))
screenCenter = origin + widthVector*0.5 + heightVector*0.5
screenRadius = heightVector.length() * 0.5
int i,j
if centerProjection :
for(i=0i<noSteps++i)
cursor = bottom+dy*(float)i
for(j=0j<noSteps++j)
delta = osg.Vec2(cursor.x() - screenCenter.x(), cursor.y() - screenCenter.y())
theta = atan2(-delta.y(), delta.x())
phi = osg.PI_2 * delta.length() / screenRadius
if phi > osg.PI_2 : phi = osg.PI_2
phi *= 2.0
# osg.notify(osg.NOTICE), "theta = ", theta, "phi=", phi
texcoord = osg.Vec3(sin(phi) * cos(theta),
sin(phi) * sin(theta),
cos(phi))
vertices.push_back(cursor)
colors.push_back(osg.Vec4(1.0,1.0,1.0,1.0))
texcoords.push_back(texcoord)
cursor += dx
# osg.notify(osg.NOTICE)
else:
def setDomeCorrection(viewer, arguments):
wsi = osg.GraphicsContext.getWindowingSystemInterface()
if not wsi :
osg.notify(osg.NOTICE), "Error, no WindowSystemInterface available, cannot create windows."
return
unsigned int width, height
wsi.getScreenResolution(osg.GraphicsContext.ScreenIdentifier(0), width, height)
while arguments.read("--width",width) :
while arguments.read("--height",height) :
traits = osg.GraphicsContext.Traits()
traits.x = 0
traits.y = 0
traits.width = width
traits.height = height
traits.windowDecoration = False
traits.doubleBuffer = True
traits.sharedContext = 0
gc = osg.GraphicsContext.createGraphicsContext(traits)
if not gc :
osg.notify(osg.NOTICE), "GraphicsWindow has not been created successfully."
return
tex_width = 512
tex_height = 512
camera_width = tex_width
camera_height = tex_height
texture = osg.TextureCubeMap()
texture.setTextureSize(tex_width, tex_height)
texture.setInternalFormat(GL_RGB)
texture.setFilter(osg.Texture.MIN_FILTER,osg.Texture.LINEAR)
texture.setFilter(osg.Texture.MAG_FILTER,osg.Texture.LINEAR)
#if 0
renderTargetImplementation = osg.Camera.SEPERATE_WINDOW
buffer = GL_FRONT
#else:
renderTargetImplementation = osg.Camera.FRAME_BUFFER_OBJECT
buffer = GL_FRONT
#endif
# front face
camera = osg.Camera()
camera.setName("Front face camera")
camera.setGraphicsContext(gc)
camera.setViewport(osg.Viewport(0,0,camera_width, camera_height))
camera.setDrawBuffer(buffer)
camera.setReadBuffer(buffer)
camera.setAllowEventFocus(False)
# tell the camera to use OpenGL frame buffer object where supported.
camera.setRenderTargetImplementation(renderTargetImplementation)
# attach the texture and use it as the color buffer.
camera.attach(osg.Camera.COLOR_BUFFER, texture, 0, osg.TextureCubeMap.POSITIVE_Y)
viewer.addSlave(camera, osg.Matrixd(), osg.Matrixd())
# top face
camera = osg.Camera()
camera.setName("Top face camera")
camera.setGraphicsContext(gc)
camera.setViewport(osg.Viewport(0,0,camera_width, camera_height))
buffer = GL_BACK if (traits.doubleBuffer) else GL_FRONT
camera.setDrawBuffer(buffer)
camera.setReadBuffer(buffer)
camera.setAllowEventFocus(False)
# tell the camera to use OpenGL frame buffer object where supported.
camera.setRenderTargetImplementation(renderTargetImplementation)
# attach the texture and use it as the color buffer.
camera.attach(osg.Camera.COLOR_BUFFER, texture, 0, osg.TextureCubeMap.POSITIVE_Z)
viewer.addSlave(camera, osg.Matrixd(), osg.Matrixd.rotate(osg.inDegrees(-90.0), 1.0,0.0,0.0))
# left face
camera = osg.Camera()
camera.setName("Left face camera")
camera.setGraphicsContext(gc)
camera.setViewport(osg.Viewport(0,0,camera_width, camera_height))
camera.setDrawBuffer(buffer)
camera.setReadBuffer(buffer)
camera.setAllowEventFocus(False)
# tell the camera to use OpenGL frame buffer object where supported.
camera.setRenderTargetImplementation(renderTargetImplementation)
# attach the texture and use it as the color buffer.
camera.attach(osg.Camera.COLOR_BUFFER, texture, 0, osg.TextureCubeMap.NEGATIVE_X)
viewer.addSlave(camera, osg.Matrixd(), osg.Matrixd.rotate(osg.inDegrees(-90.0), 0.0,1.0,0.0) * osg.Matrixd.rotate(osg.inDegrees(-90.0), 0.0,0.0,1.0))
# right face
camera = osg.Camera()
camera.setName("Right face camera")
camera.setGraphicsContext(gc)
camera.setViewport(osg.Viewport(0,0,camera_width, camera_height))
camera.setDrawBuffer(buffer)
camera.setReadBuffer(buffer)
camera.setAllowEventFocus(False)
# tell the camera to use OpenGL frame buffer object where supported.
camera.setRenderTargetImplementation(renderTargetImplementation)
# attach the texture and use it as the color buffer.
camera.attach(osg.Camera.COLOR_BUFFER, texture, 0, osg.TextureCubeMap.POSITIVE_X)
viewer.addSlave(camera, osg.Matrixd(), osg.Matrixd.rotate(osg.inDegrees(90.0), 0.0,1.0,0.0 ) * osg.Matrixd.rotate(osg.inDegrees(90.0), 0.0,0.0,1.0))
# bottom face
camera = osg.Camera()
camera.setGraphicsContext(gc)
camera.setName("Bottom face camera")
camera.setViewport(osg.Viewport(0,0,camera_width, camera_height))
camera.setDrawBuffer(buffer)
camera.setReadBuffer(buffer)
camera.setAllowEventFocus(False)
# tell the camera to use OpenGL frame buffer object where supported.
camera.setRenderTargetImplementation(renderTargetImplementation)
# attach the texture and use it as the color buffer.
camera.attach(osg.Camera.COLOR_BUFFER, texture, 0, osg.TextureCubeMap.NEGATIVE_Z)
viewer.addSlave(camera, osg.Matrixd(), osg.Matrixd.rotate(osg.inDegrees(90.0), 1.0,0.0,0.0) * osg.Matrixd.rotate(osg.inDegrees(180.0), 0.0,0.0,1.0))
# back face
camera = osg.Camera()
camera.setName("Back face camera")
camera.setGraphicsContext(gc)
camera.setViewport(osg.Viewport(0,0,camera_width, camera_height))
camera.setDrawBuffer(buffer)
camera.setReadBuffer(buffer)
camera.setAllowEventFocus(False)
# tell the camera to use OpenGL frame buffer object where supported.
camera.setRenderTargetImplementation(renderTargetImplementation)
# attach the texture and use it as the color buffer.
camera.attach(osg.Camera.COLOR_BUFFER, texture, 0, osg.TextureCubeMap.NEGATIVE_Y)
viewer.addSlave(camera, osg.Matrixd(), osg.Matrixd.rotate(osg.inDegrees(180.0), 1.0,0.0,0.0))
viewer.getCamera().setProjectionMatrixAsPerspective(90.0, 1.0, 1, 1000.0)
# distortion correction set up.
geode = osg.Geode()
geode.addDrawable(createDomeDistortionMesh(osg.Vec3(0.0,0.0,0.0), osg.Vec3(width,0.0,0.0), osg.Vec3(0.0,height,0.0), arguments))
# we need to add the texture to the mesh, we do so by creating a
# StateSet to contain the Texture StateAttribute.
stateset = geode.getOrCreateStateSet()
stateset.setTextureAttributeAndModes(0, texture,osg.StateAttribute.ON)
stateset.setMode(GL_LIGHTING,osg.StateAttribute.OFF)
camera = osg.Camera()
camera.setGraphicsContext(gc)
camera.setClearMask(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT )
camera.setClearColor( osg.Vec4(0.1,0.1,1.0,1.0) )
camera.setViewport(osg.Viewport(0, 0, width, height))
buffer = GL_BACK if (traits.doubleBuffer) else GL_FRONT
camera.setDrawBuffer(buffer)
camera.setReadBuffer(buffer)
camera.setReferenceFrame(osg.Camera.ABSOLUTE_RF)
camera.setAllowEventFocus(False)
#camera.setInheritanceMask(camera.getInheritanceMask() ~osg.CullSettings.CLEAR_COLOR ~osg.CullSettings.COMPUTE_NEAR_FAR_MODE)
#camera.setComputeNearFarMode(osg.CullSettings.DO_NOT_COMPUTE_NEAR_FAR)
camera.setProjectionMatrixAsOrtho2D(0,width,0,height)
camera.setViewMatrix(osg.Matrix.identity())
# add subgraph to render
camera.addChild(geode)
camera.setName("DistortionCorrectionCamera")
viewer.addSlave(camera, osg.Matrixd(), osg.Matrixd(), False)
viewer.getCamera().setNearFarRatio(0.0001)
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()
else:
numY = int(ceilf(multiplier_y))
numX = int(ceilf(float(models.size())/float(numY)))
# populate the view with the required view to view each model.
for(unsigned int i=0 i<models.size() ++i)
view = osgViewer.View()
xCell = i % numX
yCell = i / numX
vx = int((float(xCell)/float(numX)) * float(width))
vy = int((float(yCell)/float(numY)) * float(height))
vw = int(float(width) / float(numX))
vh = int(float(height) / float(numY))
view.setSceneData(models[i])
view.getCamera().setProjectionMatrixAsPerspective(30.0, double(vw) / double(vh), 1.0, 1000.0)
view.getCamera().setViewport(osg.Viewport(vx, vy, vw, vh))
view.getCamera().setGraphicsContext(gc)
view.getCamera().setClearMask(0)
view.setCameraManipulator(trackball)
viewer.addView(view)
return viewer.run()
if __name__ == "__main__":
main(sys.argv)
else:
double fovy, aspectRatio, zNear, zFar
viewer.getCamera().getProjectionMatrixAsPerspective(fovy, aspectRatio, zNear, zFar)
newAspectRatio = double(traits.width) / double(traits.height)
aspectRatioChange = newAspectRatio / aspectRatio
if aspectRatioChange not = 1.0 :
viewer.getCamera().getProjectionMatrix() *= osg.Matrix.scale(fovx_multiple/aspectRatioChange,fovy_multiple,1.0)
# set up stereo masks
viewer.getCamera().setCullMask(0xffffffff)
viewer.getCamera().setCullMaskLeft(0x00000001)
viewer.getCamera().setCullMaskRight(0x00000002)
viewer.getCamera().setViewport(osg.Viewport(0, 0, traits.width, traits.height))
buffer = GL_BACK if (traits.doubleBuffer) else GL_FRONT
viewer.getCamera().setDrawBuffer(buffer)
viewer.getCamera().setReadBuffer(buffer)
outputPath = osgDB.getFilePath(fc.getOutputFileName())
if not outputPath.empty() :
type = osgDB.fileType(outputPath)
switch(type)
case(osgDB.FILE_NOT_FOUND):
if not osgDB.makeDirectory(outputPath) :
OSG_NOTICE, "Error: could not create directory [", outputPath, "]."
return 1
OSG_NOTICE, "Created directory [", outputPath, "]."
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"
def singleWindowSideBySideCameras(viewer):
wsi = osg.GraphicsContext.getWindowingSystemInterface()
if not wsi :
osg.notify(osg.NOTICE), "Error, no WindowSystemInterface available, cannot create windows."
return
unsigned int width, height
wsi.getScreenResolution(osg.GraphicsContext.ScreenIdentifier(0), width, height)
# Not fullscreen
width /= 2
height /= 2
traits = osg.GraphicsContext.Traits()
traits.x = 100
traits.y = 100
traits.width = width
traits.height = height
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."
master = viewer.getCamera()
# get the default settings for the camera
double fovy, aspectRatio, zNear, zFar
master.getProjectionMatrixAsPerspective(fovy, aspectRatio, zNear, zFar)
# reset this for the actual apsect ratio of out created window
windowAspectRatio = double(width)/double(height)
master.setProjectionMatrixAsPerspective(fovy, windowAspectRatio, 1.0, 10000.0)
master.setName("MasterCam")
camera = osg.Camera()
camera.setCullMask(1)
camera.setName("Left")
camera.setGraphicsContext(gc)
camera.setViewport(osg.Viewport(0, 0, width/2, height))
buffer = GL_BACK if (traits.doubleBuffer) else GL_FRONT
camera.setDrawBuffer(buffer)
camera.setReadBuffer(buffer)
viewer.addSlave(camera, osg.Matrixd.scale(1.0,0.5,1.0), osg.Matrixd())
camera = osg.Camera()
camera.setCullMask(2)
camera.setName("Right")
camera.setGraphicsContext(gc)
camera.setViewport(osg.Viewport(width/2, 0, width/2, height))
buffer = GL_BACK if (traits.doubleBuffer) else GL_FRONT
camera.setDrawBuffer(buffer)
camera.setReadBuffer(buffer)
viewer.addSlave(camera, osg.Matrixd.scale(1.0,0.5,1.0), osg.Matrixd())
traits.width = width traits.height = height
traits.windowDecoration = True
traits.doubleBuffer = True
traits.glContextVersion = version
gc = osg.GraphicsContext.createGraphicsContext( traits )
if not gc.valid() :
osg.notify( osg.FATAL ), "Unable to create OpenGL v", version, " context."
return( 1 )
# Create a Camera that uses the above OpenGL context.
cam = osg.Camera()
cam.setGraphicsContext( gc )
# Must set perspective projection for fovy and aspect.
cam.setProjectionMatrix( osg.Matrix.perspective( 30., (double)width/(double)height, 1., 100. ) )
# Unlike OpenGL, OSG viewport does *not* default to window dimensions.
cam.setViewport( osg.Viewport( 0, 0, width, height ) )
viewer = osgViewer.Viewer()
viewer.setCamera( cam )
viewer.setSceneData( root )
# for non GL3/GL4 and non GLES2 platforms we need enable the osg_ uniforms that the shaders will use,
# you don't need thse two lines on GL3/GL4 and GLES2 specific builds as these will be enable by default.
gc.getState().setUseModelViewAndProjectionUniforms(True)
gc.getState().setUseVertexAttributeAliasing(True)
return( viewer.run() )
#
#
#Building OSG for OpenGL 3.x
traits.green = src_traits.green
traits.blue = src_traits.blue
traits.alpha = src_traits.alpha
traits.depth = src_traits.depth
traits.pbuffer = True
else:
#viewer would use fullscreen size (unknown here) pbuffer will use 4096 x4096 (or best avaiable)
traits.width = 1, 12
traits.height = 1, 12
traits.pbuffer = True
pbuffer = osg.GraphicsContext.createGraphicsContext(traits)
if pbuffer.valid() :
osg.notify(osg.NOTICE), "Pixel buffer has been created successfully."
camera = osg.Camera(*viewer.getCamera())
camera.setGraphicsContext(pbuffer)
camera.setViewport(osg.Viewport(0,0,traits.width,traits.height))
buffer = GL_BACK if (pbuffer.getTraits().doubleBuffer) else GL_FRONT
camera.setDrawBuffer(buffer)
camera.setReadBuffer(buffer)
viewer.setCamera(camera)
else:
osg.notify(osg.NOTICE), "Pixel buffer has not been created successfully."
# Read camera settings for screenshot
lat = 50
lon = 10
alt = 2000
heading = 0
incline = 45
roll = 0
camera_specified = False