def main(argv):
viewer = osgViewer.Viewer()
args = osg.ArgumentParser(argv)
# Make sure we have the minimum args...
if argc <= 2 :
osg.notify(osg.FATAL), "usage: ", args[0], " fontfile size1 [size2 ...]"
return 1
viewer.addEventHandler( osgGA.StateSetManipulator(viewer.getCamera().getOrCreateStateSet()) )
viewer.addEventHandler(osgViewer.StatsHandler())
viewer.addEventHandler(osgViewer.WindowSizeHandler())
group = osg.Group()
camera = createOrthoCamera(1280.0, 1024.0)
# Create the list of desired sizes.
sizes = Sizes()
for(int i = 2 i < argc i++)
if not args.isNumber(i) : continue
sizes.push_back(std.atoi(args[i]))
def textInfo(text):
tgqm = text.getTextureGlyphQuadMap()
tgqmi = tgqm.begin()
gq = tgqmi.second
s = text.getText()
for(unsigned int i = 0 i < s.size() i++)
ul = gq.getCoords()[0 + (i * 4)] # upperLeft
ll = gq.getCoords()[1 + (i * 4)] # lowerLeft
lr = gq.getCoords()[2 + (i * 4)] # lowerRight
ur = gq.getCoords()[3 + (i * 4)] # upperRight
#
# ul = gq.getTransformedCoords(0)[0 + (i * 4)]
# ll = gq.getTransformedCoords(0)[1 + (i * 4)]
# lr = gq.getTransformedCoords(0)[2 + (i * 4)]
# ur = gq.getTransformedCoords(0)[3 + (i * 4)]
#
osg.notify(osg.NOTICE), "'", static_cast<char>(s[i]), "':", " width(", lr.x() - ll.x(), ")", " height(", ul.y() - ll.y(), ")", "\t", "ul(", ul, "), ", "ll(", ll, "), ", "lr(", lr, "), ", "ur(", ur, ")"
def main(argv):
# use an ArgumentParser object to manage the program arguments.
arguments = osg.ArgumentParser(argv)
# set the osgDB.Registy read file callback to catch all requests for reading files.
osgDB.Registry.instance().setReadFileCallback(MyReadFileCallback())
# initialize the viewer.
viewer = osgViewer.Viewer()
# load the nodes from the commandline arguments.
rootnode = osgDB.readNodeFiles(arguments)
# if not loaded assume no arguments passed in, try use default mode instead.
if rootnode is None:
rootnode = osgDB.readNodeFile("cow.osgt")
if rootnode is None:
osg.notify(osg.NOTICE), "Please specify a file on the command line"
return 1
# run optimization over the scene graph
optimzer = osgUtil.Optimizer()
optimzer.optimize(rootnode)
# insert all the callbacks
icv = InsertCallbacksVisitor()
# rootnode.accept(icv)
cuc = CameraUpdateCallback(
) # TODO - crashes if I do create this persistent reference
viewer.getCamera().setUpdateCallback(cuc)
ceu = CameraEventCallback(
) # TODO - crashes if I do create this persistent reference
viewer.getCamera().setEventCallback(ceu)
# set the scene to render
viewer.setSceneData(rootnode)
return viewer.run()
def main(argv):
# use an ArgumentParser object to manage the program arguments.
arguments = osg.ArgumentParser(argv)
# load the nodes from the commandline arguments.
loadedModel = osgDB.readNodeFiles(arguments)
# if not loaded assume no arguments passed in, try use default mode instead.
if not loadedModel: loadedModel = osgDB.readNodeFile("cow.osgt")
if not loadedModel:
osg.notify(
osg.NOTICE), "Please specifiy a filename and the command line"
return 1
# decorate the scenegraph with a clip node.
rootnode = decorate_with_clip_node(loadedModel)
# run optimization over the scene graph
optimzer = osgUtil.Optimizer()
optimzer.optimize(rootnode)
viewer = osgViewer.Viewer()
# set the scene to render
viewer.setSceneData(rootnode)
return viewer.run()
def main(argv):
arguments = osg.ArgumentParser(argv)
arguments.getApplicationUsage().setCommandLineUsage(arguments.getApplicationName()+" [options] <file>")
arguments.getApplicationUsage().addCommandLineOption("--testOcclusion","Test occlusion by other objects")
arguments.getApplicationUsage().addCommandLineOption("-h or --help","Display this information")
testOcclusion = False
while arguments.read("--testOcclusion") : testOcclusion = True
# load outlined object
modelFilename = arguments.argc() > arguments[1] if (1) else "dumptruck.osgt"
outlineModel = osgDB.readNodeFile(modelFilename)
if not outlineModel :
osg.notify(osg.FATAL), "Unable to load model '", modelFilename, "'\n"
return -1
# create scene
root = osg.Group()
# create outline effect
outline = osgFX.Outline()
root.addChild(outline)
outline.setWidth(8)
outline.setColor(osg.Vec4(1,1,0,1))
outline.addChild(outlineModel)
def main(argv):
# use an ArgumentParser object to manage the program arguments.
arguments = osg.ArgumentParser(argv)
# load the nodes from the commandline arguments.
loadedModel = osgDB.readNodeFiles(arguments)
# if not loaded assume no arguments passed in, try use default mode instead.
if not loadedModel : loadedModel = osgDB.readNodeFile("cow.osgt")
if not loadedModel :
osg.notify(osg.NOTICE), "Please specifiy a filename and the command line"
return 1
# decorate the scenegraph with a clip node.
rootnode = decorate_with_clip_node(loadedModel)
# run optimization over the scene graph
optimzer = osgUtil.Optimizer()
optimzer.optimize(rootnode)
viewer = osgViewer.Viewer()
# set the scene to render
viewer.setSceneData(rootnode)
return viewer.run()
def main(argv):
# use an ArgumentParser object to manage the program arguments.
arguments = osg.ArgumentParser(argv)
# set the osgDB.Registy read file callback to catch all requests for reading files.
osgDB.Registry.instance().setReadFileCallback(MyReadFileCallback())
# initialize the viewer.
viewer = osgViewer.Viewer()
# load the nodes from the commandline arguments.
rootnode = osgDB.readNodeFiles(arguments)
# if not loaded assume no arguments passed in, try use default mode instead.
if rootnode is None:
rootnode = osgDB.readNodeFile("cow.osgt")
if rootnode is None:
osg.notify(osg.NOTICE), "Please specify a file on the command line"
return 1
# run optimization over the scene graph
optimzer = osgUtil.Optimizer()
optimzer.optimize(rootnode)
# insert all the callbacks
icv = InsertCallbacksVisitor()
# rootnode.accept(icv)
cuc = CameraUpdateCallback() # TODO - crashes if I do create this persistent reference
viewer.getCamera().setUpdateCallback( cuc )
ceu = CameraEventCallback() # TODO - crashes if I do create this persistent reference
viewer.getCamera().setEventCallback(ceu)
# set the scene to render
viewer.setSceneData(rootnode)
return viewer.run()
def main(argv):
# use an ArgumentParser object to manage the program arguments.
arguments = osg.ArgumentParser(argv)
# construct the viewer.
viewer = osgViewer.Viewer()
# load the nodes from the commandline arguments.
rootnode = osgDB.readNodeFiles(arguments)
# if not loaded assume no arguments passed in, try use default mode instead.
if not rootnode : rootnode = osgDB.readNodeFile("cessnafire.osgt")
if not rootnode :
osg.notify(osg.NOTICE), "Please specify a model filename on the command line."
return 1
image = osgDB.readImageFile("Images/reflect.rgb")
if image :
texture = osg.Texture2D()
texture.setImage(image)
texgen = osg.TexGen()
texgen.setMode(osg.TexGen.SPHERE_MAP)
texenv = osg.TexEnv()
texenv.setMode(osg.TexEnv.BLEND)
texenv.setColor(osg.Vec4(0.3,0.3,0.3,0.3))
stateset = osg.StateSet()
stateset.setTextureAttributeAndModes(1,texture,osg.StateAttribute.ON)
stateset.setTextureAttributeAndModes(1,texgen,osg.StateAttribute.ON)
stateset.setTextureAttribute(1,texenv)
rootnode.setStateSet(stateset)
else:
osg.notify(osg.NOTICE), "unable to load reflect map, model will not be mutlitextured"
# run optimization over the scene graph
optimzer = osgUtil.Optimizer()
optimzer.optimize(rootnode)
# add a viewport to the viewer and attach the scene graph.
viewer.setSceneData( rootnode )
# create the windows and run the threads.
viewer.realize()
for(unsigned int contextID = 0
contextID<osg.DisplaySettings.instance().getMaxNumberOfGraphicsContexts()
++contextID)
textExt = osg.Texture.getExtensions(contextID,False)
if textExt :
if not textExt.isMultiTexturingSupported() :
print "Warning: multi-texturing not supported by OpenGL drivers, unable to run application."
return 1
def main(argv):
# use an ArgumentParser object to manage the program arguments.
arguments = osg.ArgumentParser(argv)
# set up the usage document, in case we need to print out how to use this program.
arguments.getApplicationUsage().setDescription(arguments.getApplicationName()+" is the example which demonstrates use of convex planer occluders.")
arguments.getApplicationUsage().setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...")
arguments.getApplicationUsage().addCommandLineOption("-h or --help","Display this information")
arguments.getApplicationUsage().addCommandLineOption("-m","Mannually create occluders")
# initialize the viewer.
viewer = osgViewer.Viewer()
manuallyCreateOccluders = False
while arguments.read("-m") : manuallyCreateOccluders = True
if manuallyCreateOccluders :
viewer.addEventHandler(OccluderEventHandler(viewer))
# if user requests help write it out to cout.
if arguments.read("-h") or arguments.read("--help") :
arguments.getApplicationUsage().write(std.cout)
return 1
# load the nodes from the commandline arguments.
loadedmodel = osgDB.readNodeFiles(arguments)
# if not loaded assume no arguments passed in, try using default mode instead.
if not loadedmodel : loadedmodel = osgDB.readNodeFile("glider.osgt")
if not loadedmodel :
osg.notify(osg.NOTICE), "Please specify a model filename on the command line."
return 1
# run optimization over the scene graph
optimzer = osgUtil.Optimizer()
optimzer.optimize(loadedmodel)
# add the occluders to the loaded model.
rootnode = osg.Group()
if manuallyCreateOccluders :
rootnode = osg.Group()
rootnode.addChild(loadedmodel)
else:
rootnode = createOccludersAroundModel(loadedmodel)
# add a viewport to the viewer and attach the scene graph.
viewer.setSceneData( rootnode )
return viewer.run()
def compileCompleted(compileSet):
if _block.valid() : _block.completed()
# tell IncrementalCompileOperation that it's now safe to remove the compileSet
osg.notify(osg.NOTICE), "compileCompleted(", compileSet, ")"
return True
def apply(plod):
# go through all the named children and write them out to disk.
for(unsigned int i=0i<plod.getNumChildren()++i)
child = plod.getChild(i)
filename = plod.getFileName(i)
if not filename.empty() :
osg.notify(osg.NOTICE), "Writing out ", filename
osgDB.writeNodeFile(*child,filename)
def main(argv):
# use an ArgumentParser object to manage the program arguments.
arguments = osg.ArgumentParser(argv)
# construct the viewer.
viewer = osgViewer.Viewer()
# load the images specified on command line
loadedModel = osgDB.readNodeFiles(arguments)
# if not loaded assume no arguments passed in, try use default mode instead.
if not loadedModel : loadedModel = osgDB.readNodeFile("dumptruck.osgt")
if not loadedModel :
osg.notify(osg.NOTICE), arguments.getApplicationUsage().getCommandLineUsage()
return 0
stateset = create1DTextureStateToDecorate(loadedModel)
if not stateset :
print "Error: failed to create 1D texture state."
return 1
loadedModel.setStateSet(stateset)
osg. Group *root = osg. Group()
root . addChild( loadedModel )
# The contour banded color texture is used in conjunction with TexGenNode
# to create contoured models, either in object linear coords - like
# contours on a map, or eye linear which contour the distance from
# the eye. An app callback toggles between the two tex gen modes.
texgenNode = osg.TexGenNode()
texgenNode.setReferenceFrame( osg.TexGenNode.ABSOLUTE_RF )
texgenNode.getTexGen().setMode( osg.TexGen.OBJECT_LINEAR )
bs = loadedModel.getBound()
zBase = bs.center().z()-bs.radius()
zScale = 2.0/bs.radius()
texgenNode.getTexGen().setPlane(osg.TexGen.S,osg.Plane(0.0,0.0,zScale,-zBase))
texgenNode.setUpdateCallback(AnimateTexGenCallback())
root . addChild( texgenNode )
viewer.setSceneData( root )
return viewer.run()
def main(argv):
loadedModel = osg.Node()
# load the scene.
if argc>1 : loadedModel = osgDB.readNodeFile(argv[1])
# if not loaded assume no arguments passed in, try use default mode instead.
if not loadedModel : loadedModel = osgDB.readNodeFile("dumptruck.osgt")
if not loadedModel :
print argv[0], ": No data loaded."
return 1
# create the window to draw to.
traits = osg.GraphicsContext.Traits()
traits.x = 200
traits.y = 200
traits.width = 800
traits.height = 600
traits.windowDecoration = True
traits.doubleBuffer = True
traits.sharedContext = 0
gc = osg.GraphicsContext.createGraphicsContext(traits)
gw = dynamic_cast<osgViewer.GraphicsWindow*>(gc)
if not gw :
osg.notify(osg.NOTICE), "Error: unable to create graphics window."
return 1
# create the view of the scene.
viewer = osgViewer.Viewer()
viewer.getCamera().setGraphicsContext(gc)
viewer.getCamera().setViewport(0,0,800,600)
viewer.setSceneData(loadedModel)
# create a tracball manipulator to move the camera around in response to keyboard/mouse events
viewer.setCameraManipulator( osgGA.TrackballManipulator )()
statesetManipulator = osgGA.StateSetManipulator(viewer.getCamera().getStateSet())
viewer.addEventHandler(statesetManipulator)
# add the pick handler
viewer.addEventHandler(PickHandler())
viewer.realize()
# main loop (note, window toolkits which take control over the main loop will require a window redraw callback containing the code below.)
while not viewer.done() :
viewer.frame()
return 0
def main(argv):
arguments = osg.ArgumentParser( argc, argv )
root = osgDB.readNodeFiles( arguments )
if root == NULL :
osg.notify( osg.FATAL ), "Unable to load model from command line."
return( 1 )
configureShaders( root.getOrCreateStateSet() )
int width( 800 ), height( 450 )
def open(group):
files = Files()
readMasterFile(files)
for(Files.iterator itr = files.begin()
not = files.end()
++itr)
model = osgDB.readNodeFile(*itr)
if model :
osg.notify(osg.NOTICE), "open: Loaded file ", *itr
group.addChild(model)
_existingFilenameNodeMap[*itr] = model
def init(geom):
pos = dynamic_cast<osg.Vec3Array*>(geom.getVertexArray())
if not pos :
osg.notify(osg.WARN), "RigTransformHardware no vertex array in the geometry ", geom.getName()
return False
if not geom.getSkeleton() :
osg.notify(osg.WARN), "RigTransformHardware no skeleting set in geometry ", geom.getName()
return False
mapVisitor = osgAnimation.BoneMapVisitor()
geom.getSkeleton().accept(mapVisitor)
bm = mapVisitor.getBoneMap()
if not createPalette(pos.size(),bm, geom.getVertexInfluenceSet().getVertexToBoneList()) :
return False
attribIndex = 11
nbAttribs = getNumVertexAttrib()
# use a global program for all avatar
if not program.valid() :
program = osg.Program()
program.setName("HardwareSkinning")
if not _shader.valid() :
_shader = osg.Shader.readShaderFile(osg.Shader.VERTEX,"shaders/skinning.vert")
if not _shader.valid() :
osg.notify(osg.WARN), "RigTransformHardware can't load VertexShader"
return False
# replace max matrix by the value from uniform
str = _shader.getShaderSource()
toreplace = str("MAX_MATRIX")
start = str.find(toreplace)
ss = strstream()
ss, getMatrixPaletteUniform().getNumElements()
str.replace(start, toreplace.size(), ss.str())
_shader.setShaderSource(str)
osg.notify(osg.INFO), "Shader ", str
program.addShader(_shader)
for (int i = 0 i < nbAttribs i++)
ss = strstream()
ss, "boneWeight", i
program.addBindAttribLocation(ss.str(), attribIndex + i)
osg.notify(osg.INFO), "set vertex attrib ", ss.str()
class Xample :
texture = str()
app = str()
Xample(str image, str prog)
texture = image
app = prog
osg.notify(osg.INFO), "New Xample not "
def main(argv):
# use an ArgumentParser object to manage the program arguments.
arguments = osg.ArgumentParser(argv)
# load the nodes from the commandline arguments.
loadedModel = osgDB.readNodeFiles(arguments)
# if not loaded assume no arguments passed in, try use default mode instead.
if not loadedModel : loadedModel = osgDB.readNodeFile("glider.osgt")
if not loadedModel :
osg.notify(osg.NOTICE), "Please specify model filename on the command line."
return 1
root = osg.Group()
root.addChild(loadedModel)
stateset = osg.StateSet()
logicOp = osg.LogicOp(osg.LogicOp.OR_INVERTED)
stateset.setAttributeAndModes(logicOp,osg.StateAttribute.OVERRIDE|osg.StateAttribute.ON)
#tell to sort the mesh before displaying it
stateset.setRenderingHint(osg.StateSet.TRANSPARENT_BIN)
loadedModel.setStateSet(stateset)
# construct the viewer.
viewer = osgViewer.Viewer()
viewer.addEventHandler(TechniqueEventHandler(logicOp))
# run optimization over the scene graph
optimzer = osgUtil.Optimizer()
optimzer.optimize(root)
# add a viewport to the viewer and attach the scene graph.
viewer.setSceneData( root )
return viewer.run()
def pick(ea, viewer):
scene = viewer.getSceneData()
if not scene : return
osg.notify(osg.NOTICE)
node = 0
parent = 0
if _usePolytopeIntersector :
picker = osgUtil.PolytopeIntersector*()
if _useWindowCoordinates :
# use window coordinates
# remap the mouse x,y into viewport coordinates.
viewport = viewer.getCamera().getViewport()
mx = viewport.x() + (int)((double )viewport.width()*(ea.getXnormalized()*0.5+0.5))
my = viewport.y() + (int)((double )viewport.height()*(ea.getYnormalized()*0.5+0.5))
# half width, height.
w = 5.0
h = 5.0
picker = osgUtil.PolytopeIntersector( osgUtil.Intersector.WINDOW, mx-w, my-h, mx+w, my+h )
else:
mx = ea.getXnormalized()
my = ea.getYnormalized()
w = 0.05
h = 0.05
picker = osgUtil.PolytopeIntersector( osgUtil.Intersector.PROJECTION, mx-w, my-h, mx+w, my+h )
iv = osgUtil.IntersectionVisitor(picker)
viewer.getCamera().accept(iv)
if picker.containsIntersections() :
intersection = picker.getFirstIntersection()
osg.notify(osg.NOTICE), "Picked ", intersection.localIntersectionPoint, " Distance to ref. plane ", intersection.distance, ", max. dist ", intersection.maxDistance, ", primitive index ", intersection.primitiveIndex, ", numIntersectionPoints ", intersection.numIntersectionPoints
nodePath = intersection.nodePath
node = nodePath[nodePath.size()-1] if ((nodePath.size()>=1)) else 0
parent = dynamic_cast<osg.Group*>(nodePath[nodePath.size()-2]) if ((nodePath.size()>=2)) else 0
if node : print " Hits ", node.className(), " nodePath size ", nodePath.size()
toggleScribe(parent, node)
def main(argv):
# construct the viewer.
arguments = osg.ArgumentParser( argc, argv )
viewer = osgViewer.Viewer( arguments )
useSimpleExample = arguments.read("-s") or arguments.read("--simple")
model = NULL
if arguments.argc()>1 and not arguments.isOption(1) :
filename = arguments[1]
model = osgDB.readNodeFile( filename )
if not model :
osg.notify( osg.NOTICE ), "Error, cannot read ", filename, ". Loading default earth model instead."
if model == NULL :
model = CreateGlobe( )
node = CreateSimpleHierarchy( model ) if (useSimpleExample) else
CreateAdvancedHierarchy( model )
def printBoundings(current, name):
currentBound = current.getBound()
osg.notify(osg.INFO), name
osg.notify(osg.INFO), "center = ", currentBound.center()
osg.notify(osg.INFO), "radius = ", currentBound.radius()
def update(scene):
# osg.notify(osg.NOTICE), "void update(Node*)"
group = dynamic_cast<osg.Group*>(scene)
if not group :
osg.notify(osg.NOTICE), "Error, MasterOperation.update(Node*) can only work with a Group as Viewer.getSceneData()."
return
lock = OpenThreads.ScopedLock<OpenThreads.Mutex>(_mutex)
if not _nodesToRemove.empty() or not _nodesToAdd.empty() :
osg.notify(osg.NOTICE), "update().................. "
if not _nodesToRemove.empty() :
for(Files.iterator itr = _nodesToRemove.begin()
not = _nodesToRemove.end()
++itr)
fnmItr = _existingFilenameNodeMap.find(*itr)
if fnmItr not = _existingFilenameNodeMap.end() :
osg.notify(osg.NOTICE), " update():removing ", *itr
group.removeChild(fnmItr.second)
_existingFilenameNodeMap.erase(fnmItr)
_nodesToRemove.clear()
def convert():
lodNum = 0
for(LODSet.iterator itr = _lodSet.begin()
not = _lodSet.end()
++itr, ++lodNum)
lod = const_cast<osg.LOD*>(itr)
if lod.getNumParents()==0 :
osg.notify(osg.NOTICE), "Warning can't operator on root node."
break
if not _makeAllChildrenPaged and lod.getNumRanges()<2 :
osg.notify(osg.NOTICE), "Leaving LOD with one child as is."
break
osg.notify(osg.NOTICE), "Converting LOD to PagedLOD."
plod = osg.PagedLOD()
originalRangeList = lod.getRangeList()
typedef std.multimap< osg.LOD.MinMaxPair , unsigned int > MinMaxPairMap
rangeMap = MinMaxPairMap()
pos = 0
for(osg.LOD.RangeList.const_iterator ritr = originalRangeList.begin()
not = originalRangeList.end()
++ritr, ++pos)
rangeMap.insert(std.multimap< osg.LOD.MinMaxPair , unsigned int >.value_type(*ritr, pos))
def printList():
osg.notify(osg.INFO), "start printList()"
for (OP i = Xamplelist.begin() i not = Xamplelist.end() ++i)
x = *i
osg.notify(osg.INFO), "current x.texture = ", x.getTexture()
osg.notify(osg.INFO), "current x.app = ", x.getApp()
def runApp(xapp):
osg.notify(osg.INFO), "start runApp()"
for (OP i = Xamplelist.begin() i not = Xamplelist.end() ++i)
x = *i
if not xapp.compare(x.getApp()) :
osg.notify(osg.INFO), "app found not "
cxapp = xapp.c_str()
osg.notify(osg.INFO), "char* = ", cxapp
system = return(cxapp)
def handle(ea, aa):
switch(ea.getEventType())
case(osgGA.GUIEventAdapter.KEYDOWN):
if ea.getKey()==ord("r") :
_terrain.setSampleRatio(_terrain.getSampleRatio()*0.5)
osg.notify(osg.NOTICE), "Sample ratio ", _terrain.getSampleRatio()
return True
elif ea.getKey()==ord("R") :
_terrain.setSampleRatio(_terrain.getSampleRatio()/0.5)
osg.notify(osg.NOTICE), "Sample ratio ", _terrain.getSampleRatio()
return True
elif ea.getKey()==ord("v") :
_terrain.setVerticalScale(_terrain.getVerticalScale()*1.25)
osg.notify(osg.NOTICE), "Vertical scale ", _terrain.getVerticalScale()
return True
elif ea.getKey()==ord("V") :
_terrain.setVerticalScale(_terrain.getVerticalScale()/1.25)
osg.notify(osg.NOTICE), "Vertical scale ", _terrain.getVerticalScale()
return True
return False
def handle(ea, aa):
switch(ea.getEventType())
case(osgGA.GUIEventAdapter.KEYDOWN):
if ea.getKey()==ord("r") :
_terrain.setSampleRatio(_terrain.getSampleRatio()*0.5)
osg.notify(osg.NOTICE), "Sample ratio ", _terrain.getSampleRatio()
return True
elif ea.getKey()==ord("R") :
_terrain.setSampleRatio(_terrain.getSampleRatio()/0.5)
osg.notify(osg.NOTICE), "Sample ratio ", _terrain.getSampleRatio()
return True
elif ea.getKey()==ord("v") :
_terrain.setVerticalScale(_terrain.getVerticalScale()*1.25)
osg.notify(osg.NOTICE), "Vertical scale ", _terrain.getVerticalScale()
return True
elif ea.getKey()==ord("V") :
_terrain.setVerticalScale(_terrain.getVerticalScale()/1.25)
osg.notify(osg.NOTICE), "Vertical scale ", _terrain.getVerticalScale()
return True
return False
def update(scene):
# osg.notify(osg.NOTICE), "void update(Node*)"
group = dynamic_cast<osg.Group*>(scene)
if not group :
osg.notify(osg.NOTICE), "Error, MasterOperation.update(Node*) can only work with a Group as Viewer.getSceneData()."
return
lock = OpenThreads.ScopedLock<OpenThreads.Mutex>(_mutex)
if not _nodesToRemove.empty() or not _nodesToAdd.empty() :
osg.notify(osg.NOTICE), "update().................. "
if not _nodesToRemove.empty() :
for(Files.iterator itr = _nodesToRemove.begin()
not = _nodesToRemove.end()
++itr)
fnmItr = _existingFilenameNodeMap.find(*itr)
if fnmItr not = _existingFilenameNodeMap.end() :
osg.notify(osg.NOTICE), " update():removing ", *itr
group.removeChild(fnmItr.second)
_existingFilenameNodeMap.erase(fnmItr)
~KeyboardModel()
addKey = osg.Switch*(osg.Vec3 pos, int key, str text,float width, float height)
createKeyboard = void()
typedef std.map<int, osg.Switch > KeyModelMap
_scene = osg.Group()
_keyModelMap = KeyModelMap()
_inputText = osgText.Text()
void KeyboardModel.keyChange(int key, int virtualKey, int value)
osg.notify(osg.INFO), "key value change, code=", std.hex, key, "\t value=", value, std.dec
# toggle the keys graphical representation on or off via osg.Swithc
itr = _keyModelMap.find(virtualKey)
if itr not =_keyModelMap.end() :
itr.second.setSingleChildOn(value)
if value :
# when a key is pressed add the data to the text field
if key>0 and key<256 :
# just add ascii characters right now...
_inputText.getText().push_back(key)
_inputText.update()
elif key==osgGA.GUIEventAdapter.KEY_Return :
_inputText.getText().push_back('\n')
xform = osg.PositionAttitudeTransform()
xform.setPosition(osg.Vec3( 0.0, -1.0, zvalue ))
zvalue = zvalue + 2.2
xform.addChild(masterModel)
rootNode.addChild(xform)
return xform.getOrCreateStateSet()
# load source from a file.
static void
LoadShaderSource( osg.Shader* shader, str fileName )
fqFileName = osgDB.findDataFile(fileName)
if fqFileName.length() not = 0 :
shader.loadShaderSourceFromFile( fqFileName.c_str() )
else:
osg.notify(osg.WARN), "File \"", fileName, "\" not found."
#####################################/
# rude but convenient globals
static osg.Program* BlockyProgram
static osg.Shader* BlockyVertObj
static osg.Shader* BlockyFragObj
static osg.Program* ErodedProgram
static osg.Shader* ErodedVertObj
static osg.Shader* ErodedFragObj
static osg.Program* MarbleProgram
static osg.Shader* MarbleVertObj
root = osg.Group()
# create outline effect
outline = osgFX.Outline()
root.addChild(outline)
outline.setWidth(8)
outline.setColor(osg.Vec4(1,1,0,1))
outline.addChild(outlineModel)
if testOcclusion :
# load occluder
occludedModelFilename = "cow.osgt"
occludedModel = osgDB.readNodeFile(occludedModelFilename)
if not occludedModel :
osg.notify(osg.FATAL), "Unable to load model '", occludedModelFilename, "'\n"
return -1
# occluder offset
bsphere = outlineModel.getBound()
occluderOffset = osg.Vec3(0,1,0) * bsphere.radius() * 1.2
# occluder behind outlined model
modelTransform0 = osg.PositionAttitudeTransform()
modelTransform0.setPosition(bsphere.center() + occluderOffset)
modelTransform0.addChild(occludedModel)
root.addChild(modelTransform0)
# occluder in front of outlined model
modelTransform1 = osg.PositionAttitudeTransform()
modelTransform1.setPosition(bsphere.center() - occluderOffset)
arguments = osg.ArgumentParser( argc, argv )
root = osg.Group()
# Child 0: We'll replace this every frame with an updated representation
# 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 )
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()
camera.addChild(geode)
return camera
class SnapImage (osg.Camera.DrawCallback) :
SnapImage( str filename):
_filename(filename),
_snapImage(False)
_image = osg.Image()
virtual void operator () (osg.RenderInfo renderInfo)
if not _snapImage : return
osg.notify(osg.NOTICE), "Camera callback"
camera = renderInfo.getCurrentCamera()
viewport = camera.getViewport() if (camera) else 0
osg.notify(osg.NOTICE), "Camera callback ", camera, " ", viewport
if viewport and _image.valid() :
_image.readPixels(int(viewport.x()),int(viewport.y()),int(viewport.width()),int(viewport.height()),
GL_RGBA,
GL_UNSIGNED_BYTE)
osgDB.writeImageFile(*_image, _filename)
osg.notify(osg.NOTICE), "Taken screenshot, and written to '", _filename, "'"
_snapImage = False
def main(argv):
# use an ArgumentParser object to manage the program arguments.
arguments = osg.ArgumentParser(argv)
# construct the viewer.
viewer = osgViewer.Viewer()
# load the nodes from the commandline arguments.
loadedModel = osgDB.readNodeFiles(arguments)
# if not loaded assume no arguments passed in, try use default mode instead.
if not loadedModel : loadedModel = osgDB.readNodeFile("cow.osgt")
if not loadedModel :
print arguments.getApplicationName(), ": No data loaded"
return 1
if arguments.read("--dome") or arguments.read("--puffer") :
setDomeCorrection(viewer, arguments)
viewer.setSceneData( loadedModel )
elif arguments.read("--faces") :
setDomeFaces(viewer, arguments)
viewer.setSceneData( loadedModel )
else:
distortionNode = createDistortionSubgraph( loadedModel, viewer.getCamera().getClearColor())
viewer.setSceneData( distortionNode )
while arguments.read("--sky-light") :
viewer.setLightingMode(osg.View.SKY_LIGHT)
if viewer.getLightingMode()==osg.View.HEADLIGHT :
viewer.getLight().setPosition(osg.Vec4(0.0,0.0,0.0,1.0))
# load the nodes from the commandline arguments.
if not viewer.getSceneData() :
osg.notify(osg.NOTICE), "Please specify a model filename on the command line."
return 1
# set up 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() )
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 )
keyswitchManipulator.selectMatrixManipulator(num)
++keyForAnimationPath
viewer.setCameraManipulator( keyswitchManipulator )
viewer.setThreadingModel(osgViewer.Viewer.SingleThreaded)
# add the state manipulator
viewer.addEventHandler( osgGA.StateSetManipulator(viewer.getCamera().getOrCreateStateSet()) )
# add the stats handler
viewer.addEventHandler(osgViewer.StatsHandler)()
return viewer.run()
def main(argv):
# use an ArgumentParser object to manage the program arguments.
arguments = osg.ArgumentParser(argv)
# construct the viewer.
viewer = osgViewer.Viewer()
# load the nodes from the commandline arguments.
loadedModel = osgDB.readNodeFiles(arguments)
# if not loaded assume no arguments passed in, try use default mode instead.
if not loadedModel : loadedModel = osgDB.readNodeFile("cow.osgt")
if not loadedModel :
osg.notify(osg.NOTICE), "Please specifiy a model filename on the command line."
return 1
# to do scribe mode we create a top most group to contain the
# original model, and then a second group contains the same model
# but overrides various state attributes, so that the second instance
# is rendered as wireframe.
rootnode = osg.Group()
decorator = osg.Group()
rootnode.addChild(loadedModel)
rootnode.addChild(decorator)
decorator.addChild(loadedModel)
# set up the state so that the underlying color is not seen through
# and that the drawing mode is changed to wireframe, and a polygon offset
# is added to ensure that we see the wireframe itself, and turn off
# so texturing too.
stateset = osg.StateSet()
polyoffset = osg.PolygonOffset()
polyoffset.setFactor(-1.0)
polyoffset.setUnits(-1.0)
polymode = osg.PolygonMode()
polymode.setMode(osg.PolygonMode.FRONT_AND_BACK,osg.PolygonMode.LINE)
stateset.setAttributeAndModes(polyoffset,osg.StateAttribute.OVERRIDE|osg.StateAttribute.ON)
stateset.setAttributeAndModes(polymode,osg.StateAttribute.OVERRIDE|osg.StateAttribute.ON)
#if 1
material = osg.Material()
stateset.setAttributeAndModes(material,osg.StateAttribute.OVERRIDE|osg.StateAttribute.ON)
stateset.setMode(GL_LIGHTING,osg.StateAttribute.OVERRIDE|osg.StateAttribute.OFF)
#else:
# version which sets the color of the wireframe.
material = osg.Material()
material.setColorMode(osg.Material.OFF) # switch glColor usage off
# turn all lighting off
material.setAmbient(osg.Material.FRONT_AND_BACK, osg.Vec4(0.0,0.0,0.0,1.0))
material.setDiffuse(osg.Material.FRONT_AND_BACK, osg.Vec4(0.0,0.0,0.0,1.0))
material.setSpecular(osg.Material.FRONT_AND_BACK, osg.Vec4(0.0,0.0,0.0,1.0))
# except emission... in which we set the color we desire
material.setEmission(osg.Material.FRONT_AND_BACK, osg.Vec4(0.0,1.0,0.0,1.0))
stateset.setAttributeAndModes(material,osg.StateAttribute.OVERRIDE|osg.StateAttribute.ON)
stateset.setMode(GL_LIGHTING,osg.StateAttribute.OVERRIDE|osg.StateAttribute.ON)
#endif
stateset.setTextureMode(0,GL_TEXTURE_2D,osg.StateAttribute.OVERRIDE|osg.StateAttribute.OFF)
# osg.LineStipple* linestipple = osg.LineStipple()
# linestipple.setFactor(1)
# linestipple.setPattern(0xf0f0)
# stateset.setAttributeAndModes(linestipple,osg.StateAttribute.OVERRIDE_ON)
decorator.setStateSet(stateset)
# run optimization over the scene graph
optimzer = osgUtil.Optimizer()
optimzer.optimize(rootnode)
# add a viewport to the viewer and attach the scene graph.
viewer.setSceneData( rootnode )
return viewer.run()
lock = OpenThreads.ScopedLock<OpenThreads.Mutex>(_mutex)
for(Files.iterator fitr = files.begin()
not = files.end()
++fitr)
if _existingFilenameNodeMap.count(*fitr)==0 : newFiles.insert(*fitr)
for(FilenameNodeMap.iterator litr = _existingFilenameNodeMap.begin()
not = _existingFilenameNodeMap.end()
++litr)
if files.count(litr.first)==0 :
removedFiles.insert(litr.first)
#if 0
if not newFiles.empty() or not removedFiles.empty() :
osg.notify(osg.NOTICE), "void operator () files.size()=", files.size()
#endif
# first load the files.
nodesToAdd = FilenameNodeMap()
if not newFiles.empty() :
typedef std.vector< osg.GraphicsThread > GraphicsThreads
threads = GraphicsThreads()
for(unsigned int i=0 i<= osg.GraphicsContext.getMaxContextID() ++i)
gc = osg.GraphicsContext.getCompileContext(i)
gt = gc.getGraphicsThread() if (gc) else 0
if gt : threads.push_back(gt)
if _operationQueue.valid() :
def handle(ea, aa):
if not _gt : return False
switch(ea.getEventType())
case(osgGA.GUIEventAdapter.KEYDOWN):
if ea.getKey() == ord("g") :
osg.notify(osg.NOTICE), "Gaussian"
_gt.setFilterMatrixAs(osgTerrain.GeometryTechnique.GAUSSIAN)
return True
elif ea.getKey() == ord("s") :
osg.notify(osg.NOTICE), "Smooth"
_gt.setFilterMatrixAs(osgTerrain.GeometryTechnique.SMOOTH)
return True
elif ea.getKey() == ord("S") :
osg.notify(osg.NOTICE), "Sharpen"
_gt.setFilterMatrixAs(osgTerrain.GeometryTechnique.SHARPEN)
return True
elif ea.getKey() == ord("+") :
_gt.setFilterWidth(_gt.getFilterWidth()*1.1)
osg.notify(osg.NOTICE), "Filter width = ", _gt.getFilterWidth()
return True
elif ea.getKey() == ord("-") :
_gt.setFilterWidth(_gt.getFilterWidth()/1.1)
osg.notify(osg.NOTICE), "Filter width = ", _gt.getFilterWidth()
return True
elif ea.getKey() == ord(">") :
_gt.setFilterBias(_gt.getFilterBias()+0.1)
osg.notify(osg.NOTICE), "Filter bias = ", _gt.getFilterBias()
return True
elif ea.getKey() == ord("<") :
_gt.setFilterBias(_gt.getFilterBias()-0.1)
osg.notify(osg.NOTICE), "Filter bias = ", _gt.getFilterBias()
return True
break
