def main(argv):
viewer = osgViewer.Viewer()
wm = osgWidget.WindowManager(
viewer,
1280.0,
1024.0,
MASK_2D
)
canvas = osgWidget.Canvas("canvas")
canvas.attachMoveCallback()
canvas.attachScaleCallback()
canvas.addWidget(
createWidget("w1", 0.2, osgWidget.Widget.LAYER_LOW),
0.0,
0.0
)
canvas.addWidget(
createWidget("w2", 0.4, osgWidget.Widget.LAYER_MIDDLE),
200.0,
0.0
)
canvas.addWidget(
createWidget("w3", 0.6, osgWidget.Widget.LAYER_HIGH),
400.0,
0.0
)
wm.addChild(canvas)
program = osg.Program()
program.addShader(osg.Shader.readShaderFile(
osg.Shader.VERTEX,
osgDB.findDataFile("osgWidget/osgwidgetshader-vert.glsl")
))
program.addShader(osg.Shader.readShaderFile(
osg.Shader.FRAGMENT,
osgDB.findDataFile("osgWidget/osgwidgetshader-frag.glsl")
))
canvas.getGeode().getOrCreateStateSet().setAttribute(program)
return osgWidget.createExample(viewer, wm)
def main(argv):
viewer = osgViewer.Viewer()
wm = osgWidget.WindowManager(viewer, 1280.0, 1024.0, MASK_2D)
canvas = osgWidget.Canvas("canvas")
canvas.attachMoveCallback()
canvas.attachScaleCallback()
canvas.addWidget(createWidget("w1", 0.2, osgWidget.Widget.LAYER_LOW), 0.0,
0.0)
canvas.addWidget(createWidget("w2", 0.4, osgWidget.Widget.LAYER_MIDDLE),
200.0, 0.0)
canvas.addWidget(createWidget("w3", 0.6, osgWidget.Widget.LAYER_HIGH),
400.0, 0.0)
wm.addChild(canvas)
program = osg.Program()
program.addShader(
osg.Shader.readShaderFile(
osg.Shader.VERTEX,
osgDB.findDataFile("osgWidget/osgwidgetshader-vert.glsl")))
program.addShader(
osg.Shader.readShaderFile(
osg.Shader.FRAGMENT,
osgDB.findDataFile("osgWidget/osgwidgetshader-frag.glsl")))
canvas.getGeode().getOrCreateStateSet().setAttribute(program)
return osgWidget.createExample(viewer, wm)
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
"\n"
"void main(void) \n"
" \n"
" gl_FragColor = texture2D( baseTexture, texcoord) \n"
"\n"
vertex_shader = osg.Shader(osg.Shader.VERTEX, vertexShaderSource)
program.addShader(vertex_shader)
fragment_shader = osg.Shader(osg.Shader.FRAGMENT, fragmentShaderSource)
program.addShader(fragment_shader)
#else:
# get shaders from source
program.addShader(osg.Shader.readShaderFile(osg.Shader.VERTEX, osgDB.findDataFile("shaders/forest.vert")))
program.addShader(osg.Shader.readShaderFile(osg.Shader.FRAGMENT, osgDB.findDataFile("shaders/forest.frag")))
#endif
baseTextureSampler = osg.Uniform("baseTexture",0)
stateset.addUniform(baseTextureSampler)
group.addChild(createShaderGraph(cell,stateset))
group.addChild(createHUDWithText("Using OpenGL Shader to create a forest\n\nPress left cursor key to select osg.Vertex/FragmentProgram based forest\nPress right cursor key to select osg.Vertex/Geometry/FragmentProgram based forest"))
_techniqueSwitch.addChild(group)
print "done."
print "Creating Geometry Shader based forest..."
stateset = osg.StateSet(*dstate, osg.CopyOp.DEEP_COPY_ALL)
static osg.StateSet*
ModelInstance()
static float zvalue = 0.0
static osg.Node* masterModel = CreateModel()
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
osg.notify(osg.INFO), "app found not "
cxapp = xapp.c_str()
osg.notify(osg.INFO), "char* = ", cxapp
system = return(cxapp)
osg.notify(osg.INFO), "app not found not "
return 1
# end printList()
void readConfFile( char* confFile) # read confFile 1
osg.notify(osg.INFO), "Start reading confFile"
fileName = osgDB.findDataFile(confFile)
if fileName.empty() :
osg.notify(osg.INFO), "Config file not found", confFile
return
in = osgDB.ifstream(fileName.c_str())
if not in :
osg.notify(osg.INFO), "File ", fileName, " can not be opened not "
exit(1)
imageBuffer = str()
appBuffer = str()
while not in.eof() :
std.getline(in, imageBuffer)
std.getline(in, appBuffer)
