def loadImages(image1, image2, texmatLeft, texmatRight, radius, height, length):
imageLeft = osgDB.readImageFile(image1)
imageRight = osgDB.readImageFile(image2)
if imageLeft.valid() and imageRight.valid() :
streamLeft = dynamic_cast<osg.ImageStream*>(imageLeft)
if streamLeft : streamLeft.play()
streamRight = dynamic_cast<osg.ImageStream*>(imageRight)
if streamRight : streamRight.play()
average_s = (imageLeft.s()+imageRight.s())*0.5
average_t = (imageLeft.t()+imageRight.t())*0.5
geodeLeft = createSectorForImage(imageLeft,texmatLeft,average_s,average_t, radius, height, length)
geodeLeft.setNodeMask(0x01)
geodeRight = createSectorForImage(imageRight,texmatRight,average_s,average_t, radius, height, length)
geodeRight.setNodeMask(0x02)
imageGroup = osg.Group()
imageGroup.addChild(geodeLeft)
imageGroup.addChild(geodeRight)
return imageGroup
else:
print "Warning: Unable to load both image files, '", image1, "' '", image2, "', required for stereo imaging."
return 0
def createState():
# read 4 2d images
image_0 = osgDB.readImageFile("Images/lz.rgb")
image_1 = osgDB.readImageFile("Images/reflect.rgb")
image_2 = osgDB.readImageFile("Images/tank.rgb")
image_3 = osgDB.readImageFile("Images/skymap.jpg")
if not image_0 or not image_1 or not image_2 or not image_3 :
print "Warning: could not open files."
return osg.StateSet()
if image_0.getPixelFormat() not =image_1.getPixelFormat() or image_0.getPixelFormat() not =image_2.getPixelFormat() or image_0.getPixelFormat() not =image_3.getPixelFormat() :
print "Warning: image pixel formats not compatible."
return osg.StateSet()
def build_world(root):
terrainGeode = osg.Geode()
# create terrain
stateset = osg.StateSet()
image = osgDB.readImageFile("Images/lz.rgb")
if image :
texture = osg.Texture2D()
texture.setImage(image)
stateset.setTextureAttributeAndModes(0,texture,osg.StateAttribute.ON)
terrainGeode.setStateSet( stateset )
size = 1000 # 10km
scale = size/39.0 # 10km
z_scale = scale*3.0
grid = osg.HeightField()
grid.allocate(38,39)
grid.setXInterval(scale)
grid.setYInterval(scale)
for(unsigned int r=0r<39++r)
for(unsigned int c=0c<38++c)
grid.setHeight(c,r,z_scale*vertex[r+c*39][2])
def createBase(center, radius):
geode = osg.Geode()
# set up the texture of the base.
stateset = osg.StateSet()
image = osgDB.readImageFile("Images/lz.rgb")
if image :
texture = osg.Texture2D()
texture.setImage(image)
stateset.setTextureAttributeAndModes(0,texture,osg.StateAttribute.ON)
geode.setStateSet( stateset )
grid = osg.HeightField()
grid.allocate(38,39)
grid.setOrigin(center+osg.Vec3(-radius,-radius,0.0))
grid.setXInterval(radius*2.0/(float)(38-1))
grid.setYInterval(radius*2.0/(float)(39-1))
minHeight = FLT_MAX
maxHeight = -FLT_MAX
r = unsigned int()
for(r=0r<39++r)
for(unsigned int c=0c<38++c)
h = vertex[r+c*39][2]
if h>maxHeight : maxHeight=h
if h<minHeight : minHeight=h
def loadSlide(new_ndx):
if new_ndx == _currentFile :
return
_currentFile = new_ndx
if _currentFile < 0 :
_currentFile = _files.size() - 1
elif _currentFile >= static_cast<int>(_files.size()) :
_currentFile = 0
obj = osgDB.readRefObjectFile(_files[_currentFile], _options)
tex = dynamic_cast<osg.Texture*>(obj)
if not tex :
stream = dynamic_cast<osg.ImageStream*>(obj)
if not stream :
stream = dynamic_cast<osg.ImageStream*>(osgDB.readImageFile(_files[_currentFile], _options))
if stream :
tex = osg.Texture2D(stream)
tex.setResizeNonPowerOfTwoHint(False)
if tex :
stream = dynamic_cast<osg.ImageStream*>(tex.getImage(0))
if stream :
stream.play()
v = ReplaceTextureVisitor(tex)
_node.accept(v)
def createButtonOk(theme, text, fontSize):
frame = osgWidget.Frame.createSimpleFrameFromTheme(
"ButtonOK",
osgDB.readImageFile(theme),
300.0,
50.0,
osgWidget.Frame.FRAME_TEXTURE
)
frame.getBackground().setColor(0.0, 0.0, 0.0, 0.0)
label = createLabel(text, "fonts/Vera.ttf", fontSize, osgWidget.Color(0,0,0,1))
box = osgWidget.Box("HBOX", osgWidget.Box.HORIZONTAL)
box.addWidget(label)
box.resize()
colorBack = frame.getEmbeddedWindow().getColor()
box.getBackground().setColor(colorBack)
frame.getEmbeddedWindow().setWindow(box)
box.setVisibilityMode(osgWidget.Window.VM_ENTIRE)
box.setEventMask(osgWidget.EVENT_NONE)
frame.resizeFrame(box.getWidth(), box.getHeight())
frame.resizeAdd(0, 0)
event = EventOK(frame)
frame.setUpdateCallback(event)
frame.addCallback(event)
return frame.release()
def makeStateSet(size):
set = osg.StateSet()
#/ Setup cool blending
set.setMode(GL_BLEND, osg.StateAttribute.ON)
fn = osg.BlendFunc()
fn.setFunction(osg.BlendFunc.SRC_ALPHA, osg.BlendFunc.DST_ALPHA)
set.setAttributeAndModes(fn, osg.StateAttribute.ON)
#/ Setup the point sprites
sprite = osg.PointSprite()
set.setTextureAttributeAndModes(0, sprite, osg.StateAttribute.ON)
#/ Give some size to the points to be able to see the sprite
point = osg.Point()
point.setSize(size)
set.setAttribute(point)
#/ Disable depth test to avoid sort problems and Lighting
set.setMode(GL_DEPTH_TEST, osg.StateAttribute.OFF)
set.setMode(GL_LIGHTING, osg.StateAttribute.OFF)
#/ The texture for the sprites
tex = osg.Texture2D()
tex.setImage(osgDB.readImageFile("Images/particle.rgb"))
set.setTextureAttributeAndModes(0, tex, osg.StateAttribute.ON)
return set
def createErrorMessage(themeMessage, themeButton, titleText, messageText, buttonText, font, fontSize):
frame = osgWidget.Frame.createSimpleFrameFromTheme(
"error",
osgDB.readImageFile(themeMessage),
300.0,
50.0,
osgWidget.Frame.FRAME_ALL
)
frame.getBackground().setColor(0.0, 0.0, 0.0, 0.0)
labelText = createLabel(messageText, font, fontSize, osgWidget.Color(0,0,0,1))
labelTitle = createLabel(titleText, font, fontSize+5, osgWidget.Color(0.4,0,0,1))
box = osgWidget.Box("VBOX", osgWidget.Box.VERTICAL)
buttonOK = createButtonOk(themeButton, buttonText, fontSize).embed()
buttonOK.setColor(osgWidget.Color(0,0,0,0))
buttonOK.setCanFill(False)
box.addWidget(buttonOK)
box.addWidget(labelText)
box.addWidget(labelTitle)
colorBack = frame.getEmbeddedWindow().getColor()
box.getBackground().setColor(colorBack)
frame.setWindow(box)
box.resize()
frame.resizeFrame(box.getWidth(), box.getHeight())
return frame.release()
def createTeapot():
geode = osg.Geode()
# add the teapot to the geode.
geode.addDrawable( Teapot )()
# add a reflection map to the teapot.
image = osgDB.readImageFile("Images/reflect.rgb")
if image :
texture = osg.Texture2D()
texture.setImage(image)
texgen = osg.TexGen()
texgen.setMode(osg.TexGen.SPHERE_MAP)
stateset = osg.StateSet()
stateset.setTextureAttributeAndModes(0,texture,osg.StateAttribute.ON)
stateset.setTextureAttributeAndModes(0,texgen,osg.StateAttribute.ON)
geode.setStateSet(stateset)
return geode
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):
viewer = osgViewer.Viewer()
wm = osgWidget.WindowManager(
viewer,
1280.0,
1024.0,
MASK_2D,
osgWidget.WindowManager.WM_PICK_DEBUG
#osgWidget.WindowManager.WM_NO_INVERT_Y
)
frame = osgWidget.Frame.createSimpleFrameFromTheme(
"frame",
osgDB.readImageFile("osgWidget/theme.png"),
40.0,
40.0,
osgWidget.Frame.FRAME_ALL
)
frame.getBackground().setColor(0.0, 0.0, 0.0, 0.0)
# This is our Transformers box. :)
box = osgWidget.Box("images", osgWidget.Box.VERTICAL)
img1 = osgWidget.Widget("im1", 512.0, 512.0)
img2 = osgWidget.Widget("im2", 512.0, 512.0)
img3 = osgWidget.Widget("im3", 512.0, 512.0)
img4 = osgWidget.Widget("im4", 512.0, 512.0)
img1.setImage("osgWidget/scrolled1.jpg", True)
img2.setImage("osgWidget/scrolled2.jpg", True)
img3.setImage("osgWidget/scrolled3.jpg", True)
img4.setImage("osgWidget/scrolled4.jpg", True)
img1.setMinimumSize(10.0, 10.0)
img2.setMinimumSize(10.0, 10.0)
img3.setMinimumSize(10.0, 10.0)
img4.setMinimumSize(10.0, 10.0)
box.addWidget(img1)
box.addWidget(img2)
box.addWidget(img3)
box.addWidget(img4)
box.setEventMask(osgWidget.EVENT_NONE)
#frame.getEmbeddedWindow().setWindow(box)
frame.setWindow(box)
frame.getEmbeddedWindow().setColor(1.0, 1.0, 1.0, 1.0)
frame.resize(300.0, 300.0)
frame.addCallback(osgWidget.Callback(scrollWindow, osgWidget.EVENT_MOUSE_SCROLL))
frame.addCallback(osgWidget.Callback(changeTheme, osgWidget.EVENT_KEY_DOWN))
wm.addChild(frame)
return osgWidget.createExample(viewer, wm)
def createMirrorTexturedState(filename):
dstate = osg.StateSet();
dstate.setMode(osg.GL_CULL_FACE,osg.StateAttribute.OFF|osg.StateAttribute.PROTECTED);
#// set up the texture.
image = osgDB.readImageFile(filename);
if (image):
texture = osg.Texture2D();
texture.setImage(image);
dstate.setTextureAttributeAndModes(0,texture,osg.StateAttribute.ON|osg.StateAttribute.PROTECTED);
return dstate;
def readCubeMap():
cubemap = osg.TextureCubeMap()
##define CUBEMAP_FILENAME(face) "nvlobby_" #face ".png"
##define CUBEMAP_FILENAME(face) "Cubemap_axis/" #face ".png"
#define CUBEMAP_FILENAME(face) "Cubemap_snow/" #face ".jpg"
imagePosX = osgDB.readImageFile(CUBEMAP_FILENAME(posx))
imageNegX = osgDB.readImageFile(CUBEMAP_FILENAME(negx))
imagePosY = osgDB.readImageFile(CUBEMAP_FILENAME(posy))
imageNegY = osgDB.readImageFile(CUBEMAP_FILENAME(negy))
imagePosZ = osgDB.readImageFile(CUBEMAP_FILENAME(posz))
imageNegZ = osgDB.readImageFile(CUBEMAP_FILENAME(negz))
if imagePosX and imageNegX and imagePosY and imageNegY and imagePosZ and imageNegZ :
cubemap.setImage(osg.TextureCubeMap.POSITIVE_X, imagePosX)
cubemap.setImage(osg.TextureCubeMap.NEGATIVE_X, imageNegX)
cubemap.setImage(osg.TextureCubeMap.POSITIVE_Y, imagePosY)
cubemap.setImage(osg.TextureCubeMap.NEGATIVE_Y, imageNegY)
cubemap.setImage(osg.TextureCubeMap.POSITIVE_Z, imagePosZ)
cubemap.setImage(osg.TextureCubeMap.NEGATIVE_Z, imageNegZ)
cubemap.setWrap(osg.Texture.WRAP_S, osg.Texture.CLAMP_TO_EDGE)
cubemap.setWrap(osg.Texture.WRAP_T, osg.Texture.CLAMP_TO_EDGE)
cubemap.setWrap(osg.Texture.WRAP_R, osg.Texture.CLAMP_TO_EDGE)
cubemap.setFilter(osg.Texture.MIN_FILTER, osg.Texture.LINEAR_MIPMAP_LINEAR)
cubemap.setFilter(osg.Texture.MAG_FILTER, osg.Texture.LINEAR)
return cubemap
def createMirrorTexturedState(filename):
dstate = osg.StateSet()
dstate.setMode(GL_CULL_FACE,osg.StateAttribute.OFF|osg.StateAttribute.PROTECTED)
# set up the texture.
image = osgDB.readImageFile(filename.c_str())
if image :
texture = osg.Texture2D()
texture.setImage(image)
dstate.setTextureAttributeAndModes(0,texture,osg.StateAttribute.ON|osg.StateAttribute.PROTECTED)
return dstate
def createShapes():
geode = osg.Geode()
# ---------------------------------------
# Set up a StateSet to texture the objects
# ---------------------------------------
stateset = osg.StateSet()
image = osgDB.readImageFile( "Images/lz.rgb" )
if image :
texture = osg.Texture2D()
texture.setImage(image)
texture.setFilter(osg.Texture.MIN_FILTER, osg.Texture.LINEAR)
stateset.setTextureAttributeAndModes(0,texture, osg.StateAttribute.ON)
stateset.setMode(GL_LIGHTING, osg.StateAttribute.ON)
geode.setStateSet( stateset )
radius = 0.8
height = 1.0
hints = osg.TessellationHints()
hints.setDetailRatio(0.5)
geode.addDrawable(osg.ShapeDrawable(osg.Sphere(osg.Vec3(0.0,0.0,0.0),radius),hints))
geode.addDrawable(osg.ShapeDrawable(osg.Box(osg.Vec3(2.0,0.0,0.0),2*radius),hints))
geode.addDrawable(osg.ShapeDrawable(osg.Cone(osg.Vec3(4.0,0.0,0.0),radius,height),hints))
geode.addDrawable(osg.ShapeDrawable(osg.Cylinder(osg.Vec3(6.0,0.0,0.0),radius,height),hints))
geode.addDrawable(osg.ShapeDrawable(osg.Capsule(osg.Vec3(8.0,0.0,0.0),radius,height),hints))
grid = osg.HeightField()
grid.allocate(38,39)
grid.setXInterval(0.28)
grid.setYInterval(0.28)
for(unsigned int r=0r<39++r)
for(unsigned int c=0c<38++c)
grid.setHeight(c,r,vertex[r+c*39][2])
def createBackground():
# we'll create a texture mapped quad to sit behind the Geometry
image = osgDB.readImageFile("Images/primitives.gif")
if not image : return NULL
# create Geometry object to store all the vertices and lines primitive.
polyGeom = osg.Geometry()
# note, anticlockwise ordering.
osg.Vec3 myCoords[] =
osg.Vec3(-1.22908,0.0,1.0),
osg.Vec3(-1.22908,0.0,-1.0),
osg.Vec3(1.22908,0.0,-1.0),
osg.Vec3(1.22908,0.0,1.0)
def createEarth():
hints = osg.TessellationHints()
hints.setDetailRatio(5.0)
sd = osg.ShapeDrawable(osg.Sphere(osg.Vec3(0.0,0.0,0.0), osg.WGS_84_RADIUS_POLAR), hints)
geode = osg.Geode()
geode.addDrawable(sd)
filename = osgDB.findDataFile("Images/land_shallow_topo_2048.jpg")
geode.getOrCreateStateSet().setTextureAttributeAndModes(0, osg.Texture2D(osgDB.readImageFile(filename)))
csn = osg.CoordinateSystemNode()
csn.setEllipsoidModel(osg.EllipsoidModel())
csn.addChild(geode)
return csn
def SetObjectTextureState(geodeCurrent, texture):
# retrieve or create a StateSet
stateTexture = geodeCurrent.getOrCreateStateSet()
# load texture.jpg as an image
imgTexture = osgDB.readImageFile( texture )
# if the image is successfully loaded
if imgTexture :
# create a two-dimensional texture object
texCube = osg.Texture2D()
# set the texture to the loaded image
texCube.setImage(imgTexture)
# set the texture to the state
stateTexture.setTextureAttributeAndModes(0,texCube,osg.StateAttribute.ON)
# set the state of the current geode
geodeCurrent.setStateSet(stateTexture)
"vec4 newZ = vec4( 0., 0., 1., 0. ) \n"
"mat4 mV = mat4( newX, newY, newZ, pos ) \n"
"gl_Position = ( gl_ModelViewProjectionMatrix * mV * gl_Vertex ) \n"
" \n"
vertexShader = osg.Shader()
vertexShader.setType( osg.Shader.VERTEX )
vertexShader.setShaderSource( vertexSource )
program = osg.Program()
program.addShader( vertexShader )
ss.setAttribute( program,
osg.StateAttribute.ON | osg.StateAttribute.PROTECTED )
iLogo = osgDB.readImageFile( "Images/osg128.png" )
if not iLogo.valid() :
osg.notify( osg.ALWAYS ), "Can't open image file osg128.png"
return( NULL )
texLogo = osg.Texture2D( iLogo )
texLogo.setFilter( osg.Texture2D.MIN_FILTER, osg.Texture2D.LINEAR )
texLogo.setFilter( osg.Texture2D.MAG_FILTER, osg.Texture2D.LINEAR )
ss.setTextureAttribute( 0, texLogo )
texLogoUniform = osg.Uniform( "osgLogo", 0 )
ss.addUniform( texLogoUniform )
return( ss.release() )
root.addChild(pyramidGeode)
# Now for adding a texture. Here we'll declare a texture instance and set
# its data variance as 'DYNAMIC'. (If we don't declare the texture as dynamic,
# some of the osg's optimization routines could remove it.) The texture class
# encapsulates OpenGL texture modes (wrap, filiter, etc.) as well as an
# osg.Image. The code below shows how to read an osg.Image instance from a
# file and associate this image with a texture.
KLN89FaceTexture = osg.Texture2D()
# protect from being optimized away as static state:
KLN89FaceTexture.setDataVariance(osg.Object.DYNAMIC)
# load an image by reading a file:
klnFace = osgDB.readImageFile("KLN89FaceB.tga")
if klnFace is None:
print " Couldn't find texture, quitting."
sys.exit(-1)
# Assign the texture to the image we read from file:
KLN89FaceTexture.setImage(klnFace)
# Textures can be associated with rendering StateSets. The next step is to
# create a StateSet, associate and enable our texture with this state set and
# assign the StateSet to our geometry.
# Create a StateSet with default settings:
stateOne = osg.StateSet()
# Assign texture unit 0 of our StateSet to the texture
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().setApplicationName(arguments.getApplicationName())
arguments.getApplicationUsage().setDescription(arguments.getApplicationName()+" example provides an interactive viewer for visualising point clouds..")
arguments.getApplicationUsage().setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...")
arguments.getApplicationUsage().addCommandLineOption("-h or --help","Display this information")
arguments.getApplicationUsage().addCommandLineOption("--sprites","Point sprites.")
arguments.getApplicationUsage().addCommandLineOption("--points","Sets the polygon mode to GL_POINT for front and back faces.")
# construct the viewer.
viewer = osgViewer.Viewer()
shader = False
while arguments.read("--shader") : shader = True
# if user request help write it out to cout.
if arguments.read("-h") or arguments.read("--help") :
arguments.getApplicationUsage().write(std.cout)
return 1
usePointSprites = False
while arguments.read("--sprites") : usePointSprites = True
forcePointMode = False
while arguments.read("--points") : forcePointMode = True
if arguments.argc()<=1 :
arguments.getApplicationUsage().write(std.cout,osg.ApplicationUsage.COMMAND_LINE_OPTION)
return 1
# read the scene from the list of file specified commandline args.
loadedModel = osgDB.readNodeFiles(arguments)
# if no model has been successfully loaded report failure.
if not loadedModel :
print arguments.getApplicationName(), ": No data loaded"
return 1
# optimize the scene graph, remove redundant nodes and state etc.
optimizer = osgUtil.Optimizer()
optimizer.optimize(loadedModel)
# set the scene to render
viewer.setSceneData(loadedModel)
stateset = loadedModel.getOrCreateStateSet()
if usePointSprites :
#/ Setup cool blending
fn = osg.BlendFunc()
stateset.setAttributeAndModes(fn, osg.StateAttribute.ON)
#/ Setup the point sprites
sprite = osg.PointSprite()
stateset.setTextureAttributeAndModes(0, sprite, osg.StateAttribute.ON)
#/ The texture for the sprites
tex = osg.Texture2D()
tex.setImage(osgDB.readImageFile("Images/particle.rgb"))
stateset.setTextureAttributeAndModes(0, tex, osg.StateAttribute.ON)
if forcePointMode :
#/ Set polygon mode to GL_POINT
pm = osg.PolygonMode(
osg.PolygonMode.FRONT_AND_BACK, osg.PolygonMode.POINT )
stateset.setAttributeAndModes( pm, osg.StateAttribute.ON | osg.StateAttribute.OVERRIDE)
# register the handler for modifying the point size
viewer.addEventHandler(KeyboardEventHandler(viewer.getCamera().getOrCreateStateSet()))
if shader :
stateset = loadedModel.getOrCreateStateSet()
#################################/
# vertex shader using just Vec4 coefficients
char vertexShaderSource[] =
"void main(void) \n"
" \n"
"\n"
" gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex\n"
"\n"
program = osg.Program()
stateset.setAttribute(program)
vertex_shader = osg.Shader(osg.Shader.VERTEX, vertexShaderSource)
program.addShader(vertex_shader)
#if 0
#################################
# fragment shader
#
char fragmentShaderSource[] =
"void main(void) \n"
" \n"
" gl_FragColor = gl_Color \n"
"\n"
terrainTile.setElevationLayer(hfl)
lastAppliedLayer = hfl
osg.notify(osg.NOTICE), "created osgTerrain.HeightFieldLayer"
else:
osg.notify(osg.NOTICE), "failed to create osgTerrain.HeightFieldLayer"
scale = 1.0
offset = 0.0
elif arguments.read(pos, "-d",filename) or arguments.read(pos, "--elevation-image",filename) :
osg.notify(osg.NOTICE), "--elevation-image ", filename
image = osgDB.readImageFile(filename)
if image.valid() :
imageLayer = osgTerrain.ImageLayer()
imageLayer.setImage(image)
imageLayer.setLocator(locator)
imageLayer.setValidDataOperator(validDataOperator)
imageLayer.setMagFilter(filter)
if offset not =0.0 or scale not =1.0 :
imageLayer.transform(offset,scale)
terrainTile.setElevationLayer(imageLayer)
lastAppliedLayer = imageLayer
osg.notify(osg.NOTICE), "created Elevation osgTerrain.ImageLayer"
++citr)
if not ((*citr)._trees.empty()) :
cellsNotEmpty.push_back(*citr)
_cells.swap(cellsNotEmpty)
osg.Geode* ForestTechniqueManager.createTerrain( osg.Vec3 origin, osg.Vec3 size)
geode = osg.Geode()
# ---------------------------------------
# Set up a StateSet to texture the objects
# ---------------------------------------
stateset = osg.StateSet()
image = osgDB.readImageFile("Images/lz.rgb")
if image :
texture = osg.Texture2D()
texture.setImage(image)
stateset.setTextureAttributeAndModes(0,texture,osg.StateAttribute.ON)
geode.setStateSet( stateset )
numColumns = 38
numRows = 39
r = unsigned int()
c = unsigned int()
# compute z range of z values of grid data so we can scale it.
min_z = FLT_MAX
max_z = -FLT_MAX
bluemarble = 0 : osgDB: if (filename.empty()) else readNodeFile(filename.c_str())
if bluemarble :
bs = bluemarble.getBound()
s = 1.2*bb.radius()/bs.radius()
positioner = osg.MatrixTransform()
positioner.setMatrix(osg.Matrix.translate(-bs.center())*osg.Matrix.scale(s,s,s)*osg.Matrix.translate(bb.center()))
positioner.addChild(bluemarble)
xform.addChild(positioner)
else:
geode = osg.Geode()
stateset = geode.getOrCreateStateSet()
image = osgDB.readImageFile("Images/land_shallow_topo_2048.jpg")
if image :
texture = osg.Texture2D()
texture.setImage(image)
texture.setMaxAnisotropy(8)
stateset.setTextureAttributeAndModes(0,texture,osg.StateAttribute.ON)
material = osg.Material()
stateset.setAttribute(material)
# the globe
geode.addDrawable(osg.ShapeDrawable(osg.Sphere(bb.center(),bb.radius()*ratio)))
xform.addChild(geode)
return xform
image = (*itr).readImage(dr._fileName,dr._resolutionX,dr._resolutionY,s,t)
if image : return image
return 0
osg.Image* ImageReaderWriter.readImage_DynamicSampling(DataReference dr, float s,float t)
# record previous options.
previousOptions = osgDB.Registry.instance().getOptions()
options = osgDB.ImageOptions()
options._destinationImageWindowMode = osgDB.ImageOptions.PIXEL_WINDOW
options._destinationPixelWindow.set(0,0,dr._resolutionX,dr._resolutionY)
osgDB.Registry.instance().setOptions(options)
image = osgDB.readImageFile(dr._fileName)
# restore previous options.
osgDB.Registry.instance().setOptions(previousOptions)
s = options._sourcePixelWindow.windowWidth if (options.valid()) else 1.0
t = options._sourcePixelWindow.windowHeight if (options.valid()) else 1.0
return image
osgDB.ReaderWriter.ReadResult ImageReaderWriter.local_readNode( str fileName, Options*)
itr = _dataReferences.find(fileName)
if itr==_dataReferences.end() : return osgDB.ReaderWriter.ReadResult.FILE_NOT_HANDLED
label = osgWidget.Label("", "")
label.setFont(font)
label.setFontSize(size)
label.setFontColor(color)
label.setColor(osgWidget.Color(0,0,0,0))
label.setLabel(string)
label.setCanFill(True)
return label
osgWidget.Frame* MessageBox.createButtonOk( str theme,
str text,
str font,
int fontSize)
frame = osgWidget.Frame.createSimpleFrameFromTheme(
"ButtonOK",
osgDB.readImageFile(theme),
300.0,
50.0,
osgWidget.Frame.FRAME_TEXTURE
)
frame.getBackground().setColor(0.0, 0.0, 0.0, 0.0)
label = createLabel(text, font, fontSize, osgWidget.Color(0,0,0,1))
box = osgWidget.Box("HBOX", osgWidget.Box.HORIZONTAL)
box.addWidget(label)
box.resize()
colorBack = frame.getEmbeddedWindow().getColor()
box.getBackground().setColor(colorBack)
frame.getEmbeddedWindow().setWindow(box)
box.setVisibilityMode(osgWidget.Window.VM_ENTIRE)
return g
# Create a 1x1 quad in XZ plane
g = osg.createTexturedQuadGeometry(osg.Vec3f(0, 0, 0), osg.Vec3f(1, 0, 0),
osg.Vec3f(0, 0, 1), 0, 0, 1, 1)
g.getColorArray()[0] = osg.Vec4f(1, 1, 1,
0.5) # change color to semitransparent
# Add it to a geode
geode = osg.Geode()
geode.addDrawable(g)
# Add texture
i = osgDB.readImageFile("Images/osg256.png")
t = osg.Texture2D(i)
s = geode.stateSet
s.setTextureAttributeAndModes(0, t, osg.StateAttribute.Values.ON)
# Make sure blending is active and the geode is in the transparent (depth sorted) bin
s.setRenderingHint(osg.StateSet.TRANSPARENT_BIN)
s.setMode(osg.GL_BLEND, osg.StateAttribute.ON)
# Create viewer, add some standard handlers to it and run it
viewer = osgViewer.Viewer()
viewer.setUpViewInWindow(50, 50, 1024, 768)
viewer.addEventHandler(osgGA.StateSetManipulator(geode.stateSet))
viewer.addEventHandler(osgViewer.HelpHandler())
viewer.addEventHandler(osgViewer.StatsHandler())
viewer.setSceneData(geode)
def createLightPointsDatabase():
start = osgSim.LightPoint()
end = osgSim.LightPoint()
start._position.set(-500.0,-500.0,0.0)
start._color.set(1.0,0.0,0.0,1.0)
end._position.set(500.0,-500.0,0.0)
end._color.set(1.0,1.0,1.0,1.0)
transform = osg.MatrixTransform()
transform.setDataVariance(osg.Object.STATIC)
transform.setMatrix(osg.Matrix.scale(0.1,0.1,0.1))
start_delta = osg.Vec3(0.0,10.0,0.0)
end_delta = osg.Vec3(0.0,10.0,1.0)
noStepsX = 100
noStepsY = 100
# osgSim.BlinkSequence* bs = osgSim.BlinkSequence()
# bs.addPulse(1.0,osg.Vec4(1.0,0.0,0.0,1.0))
# bs.addPulse(0.5,osg.Vec4(0.0,0.0,0.0,0.0)) # off
# bs.addPulse(1.5,osg.Vec4(1.0,1.0,0.0,1.0))
# bs.addPulse(0.5,osg.Vec4(0.0,0.0,0.0,0.0)) # off
# bs.addPulse(1.0,osg.Vec4(1.0,1.0,1.0,1.0))
# bs.addPulse(0.5,osg.Vec4(0.0,0.0,0.0,0.0)) # off
# osgSim.Sector* sector = osgSim.ConeSector(osg.Vec3(0.0,0.0,1.0),osg.inDegrees(45.0),osg.inDegrees(45.0))
# osgSim.Sector* sector = osgSim.ElevationSector(-osg.inDegrees(45.0),osg.inDegrees(45.0),osg.inDegrees(45.0))
# osgSim.Sector* sector = osgSim.AzimSector(-osg.inDegrees(45.0),osg.inDegrees(45.0),osg.inDegrees(90.0))
# osgSim.Sector* sector = osgSim.AzimElevationSector(osg.inDegrees(180),osg.inDegrees(90), # azim range
# osg.inDegrees(0.0),osg.inDegrees(90.0), # elevation range
# osg.inDegrees(5.0))
for(int i=0i<noStepsY++i)
# osgSim.BlinkSequence* local_bs = osgSim.BlinkSequence(*bs)
# local_bs.setSequenceGroup(osgSim.BlinkSequence.SequenceGroup((double)i*0.1))
# start._blinkSequence = local_bs
# start._sector = sector
lpn = osgSim.LightPointNode()
#
set = lpn.getOrCreateStateSet()
if usePointSprites :
lpn.setPointSprite()
# Set point sprite texture in LightPointNode StateSet.
tex = osg.Texture2D()
tex.setImage(osgDB.readImageFile("Images/particle.rgb"))
set.setTextureAttributeAndModes(0, tex, osg.StateAttribute.ON)
#set.setMode(GL_BLEND, osg.StateAttribute.ON)
#osg.BlendFunc *fn = osg.BlendFunc()
#fn.setFunction(osg.BlendFunc.SRC_ALPHA, osg.BlendFunc.DST_ALPHA)
#set.setAttributeAndModes(fn, osg.StateAttribute.ON)
#
addToLightPointNode(*lpn,start,end,noStepsX)
start._position += start_delta
end._position += end_delta
transform.addChild(lpn)
root.addChild(pyramidGeode)
# Now for adding a texture. Here we'll declare a texture instance and set
# its data variance as 'DYNAMIC'. (If we don't declare the texture as dynamic,
# some of the osg's optimization routines could remove it.) The texture class
# encapsulates OpenGL texture modes (wrap, filiter, etc.) as well as an
# osg.Image. The code below shows how to read an osg.Image instance from a
# file and associate this image with a texture.
KLN89FaceTexture = osg.Texture2D()
# protect from being optimized away as static state:
KLN89FaceTexture.setDataVariance(osg.Object.DYNAMIC)
# load an image by reading a file:
klnFace = osgDB.readImageFile("KLN89FaceB.tga")
if klnFace is None:
print " Couldn't find texture, quitting."
sys.exit(-1)
# Assign the texture to the image we read from file:
KLN89FaceTexture.setImage(klnFace)
# Textures can be associated with rendering StateSets. The next step is to
# create a StateSet, associate and enable our texture with this state set and
# assign the StateSet to our geometry.
# Create a StateSet with default settings:
stateOne = osg.StateSet()
# Assign texture unit 0 of our StateSet to the texture
def createModel():
# create the root node which will hold the model.
root = osg.Group()
# add the drawable into a single goede to be shared...
center = osg.Billboard()
center.setMode(osg.Billboard.POINT_ROT_EYE)
center.addDrawable(
createSquare(osg.Vec3(-0.5,0.0,-0.5),osg.Vec3(1.0,0.0,0.0),osg.Vec3(0.0,0.0,1.0),osgDB.readImageFile("Images/reflect.rgb")),
osg.Vec3(0.0,0.0,0.0))
x_arrow = osg.Billboard()
x_arrow.setMode(osg.Billboard.AXIAL_ROT)
x_arrow.setAxis(osg.Vec3(1.0,0.0,0.0))
x_arrow.setNormal(osg.Vec3(0.0,-1.0,0.0))
x_arrow.addDrawable(
createSquare(osg.Vec3(-0.5,0.0,-0.5),osg.Vec3(1.0,0.0,0.0),osg.Vec3(0.0,0.0,1.0),osgDB.readImageFile("Cubemap_axis/posx.png")),
osg.Vec3(5.0,0.0,0.0))
y_arrow = osg.Billboard()
y_arrow.setMode(osg.Billboard.AXIAL_ROT)
y_arrow.setAxis(osg.Vec3(0.0,1.0,0.0))
y_arrow.setNormal(osg.Vec3(1.0,0.0,0.0))
y_arrow.addDrawable(
createSquare(osg.Vec3(0.0,-0.5,-0.5),osg.Vec3(0.0,1.0,0.0),osg.Vec3(0.0,0.0,1.0),osgDB.readImageFile("Cubemap_axis/posy.png")),
osg.Vec3(0.0,5.0,0.0))
z_arrow = osg.Billboard()
z_arrow.setMode(osg.Billboard.AXIAL_ROT)
z_arrow.setAxis(osg.Vec3(0.0,0.0,1.0))
z_arrow.setNormal(osg.Vec3(0.0,-1.0,0.0))
z_arrow.addDrawable(
createSquare(osg.Vec3(-0.5,0.0,-0.5),osg.Vec3(1.0,0.0,0.0),osg.Vec3(0.0,0.0,1.0),osgDB.readImageFile("Cubemap_axis/posz.png")),
osg.Vec3(0.0,0.0,5.0))
axis = osg.Geode()
axis.addDrawable(createAxis(osg.Vec3(0.0,0.0,0.0),osg.Vec3(5.0,0.0,0.0),osg.Vec3(0.0,5.0,0.0),osg.Vec3(0.0,0.0,5.0)))
root.addChild(center)
root.addChild(x_arrow)
root.addChild(y_arrow)
root.addChild(z_arrow)
root.addChild(axis)
return root
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)))
char fragmentShaderSource[] =
"varying vec2 texCoord\n"
"uniform sampler2D baseTexture\n"
"void main(void)\n"
"\n"
" gl_FragColor = texture2D(baseTexture, texCoord) \n"
"\n"
program = osg.Program()
program.addShader(osg.Shader(osg.Shader.VERTEX, vertexShaderSource))
program.addShader(osg.Shader(osg.Shader.FRAGMENT, fragmentShaderSource))
stateset = geometry.getOrCreateStateSet()
stateset.setAttribute(program)
image = osgDB.readImageFile("Images/lz.rgb")
texture = osg.Texture2D(image)
texture.setFilter(osg.Texture.MIN_FILTER, osg.Texture.LINEAR)
texture.setFilter(osg.Texture.MAG_FILTER, osg.Texture.LINEAR)
stateset.setTextureAttribute(0, texture)
baseTextureSampler = osg.Uniform("baseTexture",0)
stateset.addUniform(baseTextureSampler)
return group
int main(int argc, char *argv[])
# use an ArgumentParser object to manage the program arguments.
arguments = osg.ArgumentParser(argv)
# construct the viewer.
pos = osg.Vec3(0.0,0.0,0.0)
topleft = pos
bottomright = pos
xyPlane = fullscreen
useAudioSink = False
while arguments.read("--audio") : useAudioSink = True
#if USE_SDL
numAudioStreamsEnabled = 0
#endif
for(int i=1i<arguments.argc()++i)
if arguments.isString(i) :
image = osgDB.readImageFile(arguments[i])
imagestream = dynamic_cast<osg.ImageStream*>(image)
if imagestream :
audioStreams = imagestream.getAudioStreams()
if useAudioSink and not audioStreams.empty() :
audioStream = audioStreams[0]
osg.notify(osg.NOTICE), "AudioStream read [", audioStream.getName(), "]"
#if USE_SDL
if numAudioStreamsEnabled==0 :
audioStream.setAudioSink(SDLAudioSink(audioStream))
++numAudioStreamsEnabled
#endif
imagestream.play()
Character.Character():
_positionRatio(0.5),
_numLives(3),
_numCatches(0)
void Character.setCharacter( str filename, str name, osg.Vec3 origin, osg.Vec3 width, osg.Vec3 catchPos, float positionRatio)
_origin = origin
_width = width
_positionRatio = positionRatio
_numLives = 3
_numCatches = 0
_characterSize = _width.length()*0.2
image = osgDB.readImageFile(filename)
if image :
pos = osg.Vec3(-0.5*_characterSize,0.0,0.0)
width = osg.Vec3(_characterSize*((float)image.s())/(float)(image.t()),0.0,0.0)
height = osg.Vec3(0.0,0.0,_characterSize)
geometry = osg.createTexturedQuadGeometry(pos,width,height)
stateset = geometry.getOrCreateStateSet()
stateset.setTextureAttributeAndModes(0,osg.Texture2D(image),osg.StateAttribute.ON)
stateset.setMode(GL_BLEND,osg.StateAttribute.ON)
stateset.setRenderingHint(osg.StateSet.TRANSPARENT_BIN)
geode = osg.Geode()
geode.addDrawable(geometry)
_character = osg.PositionAttitudeTransform()
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().setApplicationName(arguments.getApplicationName())
arguments.getApplicationUsage().setDescription(arguments.getApplicationName()+" example demonstrates the use of ImageStream for rendering movies as textures.")
arguments.getApplicationUsage().setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...")
arguments.getApplicationUsage().addCommandLineOption("-h or --help","Display this information")
arguments.getApplicationUsage().addCommandLineOption("--texture2D","Use Texture2D rather than TextureRectangle.")
arguments.getApplicationUsage().addCommandLineOption("--shader","Use shaders to post process the video.")
arguments.getApplicationUsage().addCommandLineOption("--interactive","Use camera manipulator to allow movement around movie.")
arguments.getApplicationUsage().addCommandLineOption("--flip","Flip the movie so top becomes bottom.")
#if defined(WIN32) or defined(__APPLE__)
arguments.getApplicationUsage().addCommandLineOption("--devices","Print the Video input capability via QuickTime and exit.")
#endif
useTextureRectangle = True
useShader = False
# construct the viewer.
viewer = osgViewer.Viewer(arguments)
if arguments.argc()<=1 :
arguments.getApplicationUsage().write(std.cout,osg.ApplicationUsage.COMMAND_LINE_OPTION)
return 1
#if defined(WIN32) or defined(__APPLE__)
# if user requests devices video capability.
if arguments.read("-devices") or arguments.read("--devices") :
# Force load QuickTime plugin, probe video capability, exit
osgDB.readImageFile("devices.live")
return 1
#endif
while arguments.read("--texture2D") : useTextureRectangle=False
while arguments.read("--shader") : useShader=True
mouseTracking = False
while arguments.read("--mouse") : mouseTracking=True
# if user request help write it out to cout.
if arguments.read("-h") or arguments.read("--help") :
arguments.getApplicationUsage().write(std.cout)
return 1
fullscreen = not arguments.read("--interactive")
flip = arguments.read("--flip")
geode = osg.Geode()
stateset = geode.getOrCreateStateSet()
stateset.setMode(GL_LIGHTING,osg.StateAttribute.OFF)
if useShader :
#useTextureRectangle = False
static char *shaderSourceTextureRec =
"uniform vec4 cutoff_color\n"
"uniform samplerRect movie_texture\n"
"void main(void)\n"
"\n"
" vec4 texture_color = textureRect(movie_texture, gl_TexCoord[0].st) \n"
" if all(lessThanEqual(texture_color,cutoff_color)) : discard \n"
" gl_FragColor = texture_color\n"
"\n"
static char *shaderSourceTexture2D =
"uniform vec4 cutoff_color\n"
"uniform sampler2D movie_texture\n"
"void main(void)\n"
"\n"
" vec4 texture_color = texture2D(movie_texture, gl_TexCoord[0].st) \n"
" if all(lessThanEqual(texture_color,cutoff_color)) : discard \n"
" gl_FragColor = texture_color\n"
"\n"
# Add primitive set
g.addPrimitiveSet(osg.DrawArrays(osg.PrimitiveSet.QUADS, 0, 4))
return g
# Create a 1x1 quad in XZ plane
g = osg.createTexturedQuadGeometry(osg.Vec3f(0,0,0), osg.Vec3f(1,0,0), osg.Vec3f(0,0,1), 0, 0, 1, 1)
g.getColorArray()[0] = osg.Vec4f(1,1,1,0.5) # change color to semitransparent
# Add it to a geode
geode = osg.Geode()
geode.addDrawable(g)
# Add texture
i = osgDB.readImageFile("Images/osg256.png")
t = osg.Texture2D(i)
s = geode.stateSet
s.setTextureAttributeAndModes(0, t, osg.StateAttribute.Values.ON)
# Make sure blending is active and the geode is in the transparent (depth sorted) bin
s.setRenderingHint(osg.StateSet.TRANSPARENT_BIN)
s.setMode(osg.GL_BLEND, osg.StateAttribute.ON)
# Create viewer, add some standard handlers to it and run it
viewer = osgViewer.Viewer()
viewer.setUpViewInWindow(50, 50, 1024, 768);
viewer.addEventHandler(osgGA.StateSetManipulator(geode.stateSet))
viewer.addEventHandler(osgViewer.HelpHandler())
viewer.addEventHandler(osgViewer.StatsHandler())
viewer.setSceneData(geode)
MarbleProgram.setName( "marble" )
_programList.push_back( MarbleProgram )
MarbleVertObj = osg.Shader( osg.Shader.VERTEX )
MarbleFragObj = osg.Shader( osg.Shader.FRAGMENT )
MarbleProgram.addShader( MarbleFragObj )
MarbleProgram.addShader( MarbleVertObj )
ss.setAttributeAndModes(MarbleProgram, osg.StateAttribute.ON)
ss.addUniform( osg.Uniform("NoiseTex", TEXUNIT_NOISE) )
ss.addUniform( osg.Uniform("SineTex", TEXUNIT_SINE) )
#ifdef INTERNAL_3DLABS #[
# regular GL 1.x texturing for comparison.
ss = ModelInstance()
tex0 = osg.Texture2D()
tex0.setImage( osgDB.readImageFile( "images/3dl-ge100.png" ) )
ss.setTextureAttributeAndModes(0, tex0, osg.StateAttribute.ON)
#endif #]
reloadShaderSource()
#ifdef INTERNAL_3DLABS #[
# add logo overlays
rootNode.addChild( osgDB.readNodeFile( "3dl_ogl.logo" ) )
#endif #]
return rootNode
#####################################/
#####################################/
def main():
viewer = osgViewer.Viewer()
# Declare a group to act as root node of a scene:
root = osg.Group()
# Declare a box class (derived from shape class) instance
# This constructor takes an osg.Vec3 to define the center
# and a float to define the height, width and depth.
# (an overloaded constructor allows you to specify unique
# height, width and height values.)
unitCube = osg.Box( osg.Vec3(0,0,0), 1.0)
unitCube.setDataVariance(osg.Object.DYNAMIC)
# Declare an instance of the shape drawable class and initialize
# it with the unitCube shape we created above.
# This class is derived from 'drawable' so instances of this
# class can be added to Geode instances.
unitCubeDrawable = osg.ShapeDrawable(unitCube)
# Declare a instance of the geode class:
basicShapesGeode = osg.Geode()
# Add the unit cube drawable to the geode:
basicShapesGeode.addDrawable(unitCubeDrawable)
# Add the goede to the scene:
root.addChild(basicShapesGeode)
unitSphere = osg.Sphere( osg.Vec3(0,0,0), 1.0)
unitSphereDrawable = osg.ShapeDrawable(unitSphere)
unitSphereDrawable.setColor( osg.Vec4(0.1, 0.1, 0.1, 0.1) )
unitSphereXForm = osg.PositionAttitudeTransform()
unitSphereXForm.setPosition(osg.Vec3(3.0,0,0))
unitSphereGeode = osg.Geode()
root.addChild(unitSphereXForm)
unitSphereXForm.addChild(unitSphereGeode)
unitSphereGeode.addDrawable(unitSphereDrawable)
pyramidGeode = createPyramid()
pyramidXForm = osg.PositionAttitudeTransform()
pyramidXForm.setPosition(osg.Vec3(0,-3.0,0))
root.addChild(pyramidXForm)
pyramidXForm.addChild(pyramidGeode)
KLN89FaceTexture = osg.Texture2D()
# protect from being optimized away as static state:
KLN89FaceTexture.setDataVariance(osg.Object.DYNAMIC)
klnFace = osgDB.readImageFile("../NPS_Data/Textures/KLN89FaceB.tga")
if klnFace is None:
print " couldn't find texture, quitting."
sys.exit(-1)
KLN89FaceTexture.setImage(klnFace)
# Declare a state set for 'BLEND' texture mode
blendStateSet = osg.StateSet()
# Declare a TexEnv instance, set the mode to 'BLEND'
blendTexEnv = osg.TexEnv()
blendTexEnv.setMode(osg.TexEnv.BLEND)
# Turn the attribute of texture 0 'ON'
blendStateSet.setTextureAttributeAndModes(0,KLN89FaceTexture,osg.StateAttribute.ON)
# Set the texture texture environment for texture 0 to the
# texture envirnoment we declared above:
blendStateSet.setTextureAttribute(0,blendTexEnv)
decalStateSet = osg.StateSet()
decalTexEnv = osg.TexEnv()
decalTexEnv.setMode(osg.TexEnv.DECAL)
decalStateSet.setTextureAttributeAndModes(0,KLN89FaceTexture,osg.StateAttribute.ON)
decalStateSet.setTextureAttribute(0,decalTexEnv)
root.setStateSet(blendStateSet)
unitSphereGeode.setStateSet(decalStateSet)
# OSG1 viewer.setUpViewer(osgProducer.Viewer.STANDARD_SETTINGS)
viewer.setSceneData( root )
viewer.setCameraManipulator(osgGA.TrackballManipulator())
viewer.realize()
while not viewer.done():
viewer.frame()
return 0
moonPositioned = osg.MatrixTransform()
moonPositioned.setMatrix(osg.Matrix.translate(osg.Vec3( 0.0, _RorbitMoon, 0.0 ) )*
osg.Matrix.scale(1.0, 1.0, 1.0)*
osg.Matrix.rotate(osg.inDegrees( tilt ),0.0,0.0,1.0))
return moonPositioned
# end SolarSystem.createTranslationAndTilt
osg.Geode* SolarSystem.createSpace( str name, str textureName )
spaceSphere = osg.Sphere( osg.Vec3( 0.0, 0.0, 0.0 ), _radiusSpace )
sSpaceSphere = osg.ShapeDrawable( spaceSphere )
if not textureName.empty() :
image = osgDB.readImageFile( textureName )
if image :
sSpaceSphere.getOrCreateStateSet().setTextureAttributeAndModes( 0, osg.Texture2D( image ), osg.StateAttribute.ON )
# reset the object color to white to allow the texture to set the colour.
sSpaceSphere.setColor( osg.Vec4(1.0,1.0,1.0,1.0) )
geodeSpace = osg.Geode()
geodeSpace.setName( name )
geodeSpace.addDrawable( sSpaceSphere )
return( geodeSpace )
# end SolarSystem.createSpace
