def testFrameAndAASeed( self ) : options = GafferArnold.ArnoldOptions() render = GafferArnold.ArnoldRender() render["in"].setInput( options["out"] ) render["mode"].setValue( render.Mode.SceneDescriptionMode ) render["fileName"].setValue( self.temporaryDirectory() + "/test.ass" ) for frame in ( 1, 2, 2.8, 3.2 ) : for seed in ( None, 3, 4 ) : with Gaffer.Context() as c : c.setFrame( frame ) options["options"]["aaSeed"]["enabled"].setValue( seed is not None ) options["options"]["aaSeed"]["value"].setValue( seed or 1 ) render["task"].execute() with IECoreArnold.UniverseBlock( writable = True ) : arnold.AiASSLoad( self.temporaryDirectory() + "/test.ass" ) self.assertEqual( arnold.AiNodeGetInt( arnold.AiUniverseGetOptions(), "AA_seed" ), seed or round( frame ) )
def testCropWindow(self):
r = GafferScene.Private.IECoreScenePreview.Renderer.create(
"IECoreArnold::Renderer", GafferScene.Private.IECoreScenePreview.
Renderer.RenderType.SceneDescription,
self.temporaryDirectory() + "/test.ass")
r.camera(
"testCamera",
IECore.Camera(
parameters={
"resolution": IECore.V2i(2000, 1000),
"cropWindow": IECore.Box2f(IECore.V2f(0),
IECore.V2f(1, 0.75)),
}))
r.option("camera", IECore.StringData("testCamera"))
r.render()
del r
with IECoreArnold.UniverseBlock():
arnold.AiASSLoad(self.temporaryDirectory() + "/test.ass")
options = arnold.AiUniverseGetOptions()
self.assertEqual(arnold.AiNodeGetInt(options, "xres"), 2000)
self.assertEqual(arnold.AiNodeGetInt(options, "yres"), 1000)
self.assertEqual(arnold.AiNodeGetInt(options, "region_min_x"), 0)
self.assertEqual(arnold.AiNodeGetInt(options, "region_min_y"), 0)
self.assertEqual(arnold.AiNodeGetInt(options, "region_max_x"),
1999)
self.assertEqual(arnold.AiNodeGetInt(options, "region_max_y"), 749)
def setUp(self):
self.output_file_name = os.path.join(tempfile.gettempdir(),
"result.exr")
ai.AiBegin()
ai.AiMsgSetConsoleFlags(ai.AI_LOG_NONE)
ai.AiMsgSetConsoleFlags(ai.AI_LOG_WARNINGS | ai.AI_LOG_ERRORS)
options = ai.AiUniverseGetOptions()
ai.AiNodeSetBool(options, "skip_license_check", True)
ai.AiNodeSetInt(options, "xres", 16)
ai.AiNodeSetInt(options, "yres", 16)
self.my_camera = ai.AiNode("persp_camera", "my_camera", None)
self.my_filter = ai.AiNode("gaussian_filter", "my_filter", None)
self.my_driver = ai.AiNode("driver_exr", "my_driver", None)
self.my_cryptomatte = ai.AiNode("cryptomatte", "my_cryptomatte", None)
ai.AiNodeSetStr(self.my_driver, "filename", self.output_file_name)
ai.AiNodeSetPtr(options, "aov_shaders", self.my_cryptomatte)
self.assertTrue(
self.my_cryptomatte,
("Cryptomatte node could not be created, plugin may not be "
"loaded in Python. (There may be binary compatibily issues "
"with Python). "))
def testResolution(self):
s = Gaffer.ScriptNode()
s["camera"] = GafferScene.Camera()
s["options"] = GafferScene.StandardOptions()
s["options"]["in"].setInput(s["camera"]["out"])
s["options"]["options"]["renderResolution"]["enabled"].setValue(True)
s["options"]["options"]["renderResolution"]["value"].setValue(
imath.V2i(200, 100))
s["options"]["options"]["resolutionMultiplier"]["enabled"].setValue(
True)
s["options"]["options"]["resolutionMultiplier"]["value"].setValue(2)
s["render"] = GafferArnold.ArnoldRender()
s["render"]["in"].setInput(s["options"]["out"])
s["render"]["mode"].setValue(s["render"].Mode.SceneDescriptionMode)
s["render"]["fileName"].setValue(self.temporaryDirectory() +
"/test.ass")
# Default camera should have the right resolution.
s["render"]["task"].execute()
with IECoreArnold.UniverseBlock(writable=True):
arnold.AiASSLoad(self.temporaryDirectory() + "/test.ass")
options = arnold.AiUniverseGetOptions()
self.assertEqual(arnold.AiNodeGetInt(options, "xres"), 400)
self.assertEqual(arnold.AiNodeGetInt(options, "yres"), 200)
# As should a camera picked from the scene.
s["options"]["options"]["renderCamera"]["enabled"].setValue(True)
s["options"]["options"]["renderCamera"]["value"].setValue("/camera")
s["render"]["task"].execute()
with IECoreArnold.UniverseBlock(writable=True):
arnold.AiASSLoad(self.temporaryDirectory() + "/test.ass")
options = arnold.AiUniverseGetOptions()
self.assertEqual(arnold.AiNodeGetInt(options, "xres"), 400)
self.assertEqual(arnold.AiNodeGetInt(options, "yres"), 200)
def createUniverseOptions(attributes): """ Method to define the render options This method is called to set the rendering parameters Args: attributes(dict): The dictionary with attribute name, (type,value) Returns: options(AiUniverseGetOptions): The variable with the render parameters set """ options = arnold.AiUniverseGetOptions() assignAttributes(options, attributes) return options
def _test_setup(self, outputs_init, correct_outputs):
""" Tests setup of outputs occurs correctly with a full precision driver
HALF aovs should be preserved, but no new AOVs should be set to HALF.
"""
options = ai.AiUniverseGetOptions()
orig_num = len(outputs_init)
ai.AiNodeSetArray(options, "outputs", self.list_to_array(outputs_init))
ai.AiRender()
found_outputs = self.array_to_list(
ai.AiNodeGetArray(options, "outputs"))
# check original aovs
self.assertEqual(correct_outputs[:orig_num], found_outputs[:orig_num])
# check addutional aovs
self.assertEqual(correct_outputs[orig_num:], found_outputs[orig_num:])
def _worker(data, new_data, redraw_event, mmap_size, mmap_name, state):
print("+++ _worker: started")
import os
import ctypes
dir = os.path.dirname(__file__)
if dir not in sys.path:
sys.path.append(dir)
import arnold
nodes = {}
lights = {}
nptrs = [] # nodes linked by AiNodeSetPtr
links = [] # nodes linked by AiNodeLink
def _AiNodeSetArray(node, param, value):
t, a = value
_len = len(a)
if t == arnold.AI_TYPE_VECTOR:
_len //= 3
elif t == arnold.AI_TYPE_UINT:
pass
_a = arnold.AiArrayConvert(_len, 1, t, ctypes.c_void_p(a.ctypes.data))
arnold.AiNodeSetArray(node, param, _a)
_AiNodeSet = {
'NodeSocketShader': lambda n, i, v: True,
'NodeSocketBool': lambda n, i, v: arnold.AiNodeSetBool(n, i, v),
'NodeSocketInt': lambda n, i, v: arnold.AiNodeSetInt(n, i, v),
'NodeSocketFloat': lambda n, i, v: arnold.AiNodeSetFlt(n, i, v),
'NodeSocketColor': lambda n, i, v: arnold.AiNodeSetRGBA(n, i, *v),
'NodeSocketVector': lambda n, i, v: arnold.AiNodeSetVec(n, i, *v),
'NodeSocketVectorXYZ':
lambda n, i, v: arnold.AiNodeSetVector(n, i, *v),
'NodeSocketString': lambda n, i, v: arnold.AiNodeSetStr(n, i, v),
'ArnoldNodeSocketColor': lambda n, i, v: arnold.AiNodeSetRGB(n, i, *v),
'ArnoldNodeSocketByte': lambda n, i, v: arnold.AiNodeSetByte(n, i, v),
'ArnoldNodeSocketProperty': lambda n, i, v: True,
'BOOL': lambda n, p, v: arnold.AiNodeSetBool(n, p, v),
'BYTE': lambda n, p, v: arnold.AiNodeSetByte(n, p, v),
'INT': lambda n, p, v: arnold.AiNodeSetInt(n, p, v),
'FLOAT': lambda n, p, v: arnold.AiNodeSetFlt(n, p, v),
'VECTOR2': lambda n, p, v: arnold.AiNodeSetVec2(n, p, *v),
'RGB': lambda n, p, v: arnold.AiNodeSetRGB(n, p, *v),
'RGBA': lambda n, p, v: arnold.AiNodeSetRGBA(n, p, *v),
'VECTOR': lambda n, p, v: arnold.AiNodeSetVec(n, p, *v),
'STRING': lambda n, p, v: arnold.AiNodeSetStr(n, p, v),
'MATRIX':
lambda n, p, v: arnold.AiNodeSetMatrix(n, p, arnold.AtMatrix(*v)),
'ARRAY': _AiNodeSetArray,
'LINK': lambda n, p, v: links.append((n, p, v)),
'NODE': lambda n, p, v: nptrs.append((n, p, v)),
}
arnold.AiBegin()
try:
# arnold.AiMsgSetConsoleFlags(arnold.AI_LOG_ALL)
# arnold.AiMsgSetConsoleFlags(0x000E)
#
# from pprint import pprint as pp
# pp(data)
## Nodes
for node in data['nodes']:
nt, np = node
anode = arnold.AiNode(nt)
for n, (t, v) in np.items():
_AiNodeSet[t](anode, n, v)
nodes[id(node)] = anode
for light in data['lights']:
nt, np = light
anode = arnold.AiNode(nt)
for n, (t, v) in np.items():
_AiNodeSet[t](anode, n, v)
lights[id(light)] = anode
options = arnold.AiUniverseGetOptions()
for n, (t, v) in data['options'].items():
_AiNodeSet[t](options, n, v)
for n, p, v in nptrs:
arnold.AiNodeSetPtr(n, p, nodes[id(v)])
for n, p, v in links:
arnold.AiNodeLink(nodes[id(v)], p, n)
## Outputs
filter = arnold.AiNode("gaussian_filter")
arnold.AiNodeSetStr(filter, "name", "__filter")
driver = arnold.AiNode("driver_display_callback")
arnold.AiNodeSetStr(driver, "name", "__driver")
#arnold.AiNodeSetBool(driver, "rgba_packing", False)
outputs_aovs = (b"RGBA RGBA __filter __driver", )
outputs = arnold.AiArray(len(outputs_aovs), 1, arnold.AI_TYPE_STRING,
*outputs_aovs)
arnold.AiNodeSetArray(options, "outputs", outputs)
sl = data['sl']
del nodes, nptrs, links, data
if platform.system() == "Darwin" or "Linux":
_rect = lambda w, h: numpy.frombuffer(mmap.mmap(-1, w * h * 4 * 4),
dtype=numpy.float32).reshape(
[h, w, 4])
rect = _rect(*mmap_size)
if platform.system() == "Windows":
_rect = lambda n, w, h: numpy.frombuffer(
mmap.mmap(-1, w * h * 4 * 4, n), dtype=numpy.float32).reshape(
[h, w, 4])
rect = _rect(mmap_name, *mmap_size)
def _callback(x, y, width, height, buffer, data):
#print("+++ _callback:", x, y, width, height, ctypes.cast(buffer, ctypes.c_void_p))
if buffer:
try:
if new_data.poll():
arnold.AiRenderInterrupt()
else:
#print("+++ _callback: tile", x, y, width, height)
_buffer = ctypes.cast(buffer,
ctypes.POINTER(ctypes.c_uint16))
a = numpy.ctypeslib.as_array(_buffer,
shape=(height, width, 4))
rect[y:y + height, x:x + width] = a
redraw_event.set()
return
finally:
arnold.AiFree(buffer)
elif not new_data.poll():
return
arnold.AiRenderAbort()
print("+++ _callback: abort")
cb = arnold.AtDisplayCallBack(_callback)
arnold.AiNodeSetPtr(driver, "callback", cb)
class _Dict(dict):
def update(self, u):
for k, v in u.items():
if isinstance(v, dict):
self[k] = _Dict.update(self.get(k, {}), v)
else:
self[k] = u[k]
return self
while state.value != ABORT:
for _sl in range(*sl):
arnold.AiNodeSetInt(options, "AA_samples", _sl)
res = arnold.AiRender(arnold.AI_RENDER_MODE_CAMERA)
if res == arnold.AI_SUCCESS:
break
if state.value == ABORT:
#print("+++ _worker: abort")
break
data = _Dict()
_data = new_data.recv()
print(_data)
while _data is not None:
# from pprint import pprint as pp
# print("+++ _worker: data")
# pp(_data)
data.update(_data)
if not new_data.poll():
_nodes = data.get('nodes')
if _nodes is not None:
for name, params in _nodes.items():
node = arnold.AiNodeLookUpByName(name)
for n, (t, v) in params.items():
_AiNodeSet[t](node, n, v)
opts = data.get('options')
if opts is not None:
for n, (t, v) in opts.items():
_AiNodeSet[t](options, n, v)
size = data.get('mmap_size')
if size is not None:
rect = _rect(mmap_name, *size)
break
_data = new_data.recv()
finally:
arnold.AiEnd()
print("+++ _worker: finished")
def testRenderRegion( self ) : s = Gaffer.ScriptNode() s["camera"] = GafferScene.Camera() s["options"] = GafferScene.StandardOptions() s["options"]["in"].setInput( s["camera"]["out"] ) s["options"]["options"]["renderCamera"]["enabled"].setValue( True ) s["options"]["options"]["renderCamera"]["value"].setValue( "/camera" ) s["render"] = GafferArnold.ArnoldRender() s["render"]["in"].setInput( s["options"]["out"] ) s["render"]["mode"].setValue( s["render"].Mode.SceneDescriptionMode ) s["render"]["fileName"].setValue( self.temporaryDirectory() + "/test.ass" ) # Default region s["render"]["task"].execute() with IECoreArnold.UniverseBlock( writable = True ) : arnold.AiASSLoad( self.temporaryDirectory() + "/test.ass" ) options = arnold.AiUniverseGetOptions() self.assertEqual( arnold.AiNodeGetInt( options, "xres" ), 640 ) self.assertEqual( arnold.AiNodeGetInt( options, "yres" ), 480 ) self.assertEqual( arnold.AiNodeGetInt( options, "region_min_x" ), 0 ) self.assertEqual( arnold.AiNodeGetInt( options, "region_max_x" ), 639 ) self.assertEqual( arnold.AiNodeGetInt( options, "region_min_y" ), 0 ) self.assertEqual( arnold.AiNodeGetInt( options, "region_max_y" ), 479 ) # Apply Crop Window s["options"]["options"]["renderCropWindow"]["enabled"].setValue( True ) s["options"]["options"]["renderCropWindow"]["value"].setValue( imath.Box2f( imath.V2f( 0.25, 0.5 ), imath.V2f( 0.75, 1.0 ) ) ) s["render"]["task"].execute() with IECoreArnold.UniverseBlock( writable = True ) : arnold.AiASSLoad( self.temporaryDirectory() + "/test.ass" ) options = arnold.AiUniverseGetOptions() self.assertEqual( arnold.AiNodeGetInt( options, "xres" ), 640 ) self.assertEqual( arnold.AiNodeGetInt( options, "yres" ), 480 ) self.assertEqual( arnold.AiNodeGetInt( options, "region_min_x" ), 160 ) self.assertEqual( arnold.AiNodeGetInt( options, "region_max_x" ), 479 ) self.assertEqual( arnold.AiNodeGetInt( options, "region_min_y" ), 240 ) self.assertEqual( arnold.AiNodeGetInt( options, "region_max_y" ), 479 ) # Test Empty Crop Window s["options"]["options"]["renderCropWindow"]["value"].setValue( imath.Box2f() ) s["render"]["task"].execute() with IECoreArnold.UniverseBlock( writable = True ) : arnold.AiASSLoad( self.temporaryDirectory() + "/test.ass" ) options = arnold.AiUniverseGetOptions() self.assertEqual( arnold.AiNodeGetInt( options, "xres" ), 640 ) self.assertEqual( arnold.AiNodeGetInt( options, "yres" ), 480 ) # Since Arnold doesn't support empty regions, we default to one pixel in the corner self.assertEqual( arnold.AiNodeGetInt( options, "region_min_x" ), 0 ) self.assertEqual( arnold.AiNodeGetInt( options, "region_max_x" ), 0 ) self.assertEqual( arnold.AiNodeGetInt( options, "region_min_y" ), 479 ) self.assertEqual( arnold.AiNodeGetInt( options, "region_max_y" ), 479 ) # Apply Overscan s["options"]["options"]["renderCropWindow"]["enabled"].setValue( False ) s["options"]["options"]["overscan"]["enabled"].setValue( True ) s["options"]["options"]["overscan"]["value"].setValue( True ) s["options"]["options"]["overscanTop"]["enabled"].setValue( True ) s["options"]["options"]["overscanTop"]["value"].setValue( 0.1 ) s["options"]["options"]["overscanBottom"]["enabled"].setValue( True ) s["options"]["options"]["overscanBottom"]["value"].setValue( 0.2 ) s["options"]["options"]["overscanLeft"]["enabled"].setValue( True ) s["options"]["options"]["overscanLeft"]["value"].setValue( 0.3 ) s["options"]["options"]["overscanRight"]["enabled"].setValue( True ) s["options"]["options"]["overscanRight"]["value"].setValue( 0.4 ) s["render"]["task"].execute() with IECoreArnold.UniverseBlock( writable = True ) : arnold.AiASSLoad( self.temporaryDirectory() + "/test.ass" ) options = arnold.AiUniverseGetOptions() self.assertEqual( arnold.AiNodeGetInt( options, "xres" ), 640 ) self.assertEqual( arnold.AiNodeGetInt( options, "yres" ), 480 ) self.assertEqual( arnold.AiNodeGetInt( options, "region_min_x" ), -192 ) self.assertEqual( arnold.AiNodeGetInt( options, "region_max_x" ), 640 + 255 ) self.assertEqual( arnold.AiNodeGetInt( options, "region_min_y" ), -48 ) self.assertEqual( arnold.AiNodeGetInt( options, "region_max_y" ), 480 + 95 )
def renderGeo(self):
arnold.AiBegin()
arnold.AiMsgSetLogFileName(self._logFile)
arnold.AiMsgSetConsoleFlags(arnold.AI_LOG_ALL)
# create a sphere geometric primitive
sph = arnold.AiNode("sphere")
arnold.AiNodeSetStr(sph, "name", "mysphere")
arnold.AiNodeSetVec(sph, "center", 0.0, 4.0, 0.0)
arnold.AiNodeSetFlt(sph, "radius", 5.0)
# create a red standard shader
shader1 = arnold.AiNode("standard")
arnold.AiNodeSetStr(shader1, "name", "myshader1")
arnold.AiNodeSetRGB(shader1, "Kd_color", self._color[0],
self._color[1], self._color[2])
arnold.AiNodeSetFlt(shader1, "Ks", 0.05)
# assign the shaders to the geometric objects
arnold.AiNodeSetPtr(sph, "shader", shader1)
# create a perspective camera
camera = arnold.AiNode("persp_camera")
arnold.AiNodeSetStr(camera, "name", "mycamera")
# position the camera (alternatively you can set 'matrix')
arnold.AiNodeSetVec(camera, "position", 0.0, 10.0, 35.0)
arnold.AiNodeSetVec(camera, "look_at", 0.0, 3.0, 0.0)
arnold.AiNodeSetFlt(camera, "fov", 45.0)
# create a point light source
light = arnold.AiNode("point_light")
arnold.AiNodeSetStr(light, "name", "pointLight_A")
# // position the light (alternatively use 'matrix')
arnold.AiNodeSetVec(light, "position", 0.0, 30.0, 0.0)
arnold.AiNodeSetFlt(light, "intensity", 10.0)
# alternatively, use 'exposure'
arnold.AiNodeSetFlt(light, "radius", 4.0)
# for soft shadows
# create a point light source
light = arnold.AiNode("point_light")
arnold.AiNodeSetStr(light, "name", "pointLight_B")
# // position the light (alternatively use 'matrix')
arnold.AiNodeSetVec(light, "position", 0.0, -30.0, 0.0)
arnold.AiNodeSetFlt(light, "intensity", 10.0)
# alternatively, use 'exposure'
arnold.AiNodeSetFlt(light, "radius", 4.0)
# for soft shadows
# create a point light source
light = arnold.AiNode("point_light")
arnold.AiNodeSetStr(light, "name", "pointLight_C")
# // position the light (alternatively use 'matrix')
arnold.AiNodeSetVec(light, "position", 0.0, 4.0, 20.0)
arnold.AiNodeSetFlt(light, "intensity", 5.0)
# alternatively, use 'exposure'
arnold.AiNodeSetFlt(light, "radius", 15.0)
# for soft shadows
# // get the global options node and set some options
options = arnold.AiUniverseGetOptions()
arnold.AiNodeSetInt(options, "AA_samples", 8)
arnold.AiNodeSetInt(options, "xres", 480)
arnold.AiNodeSetInt(options, "yres", 360)
arnold.AiNodeSetInt(options, "GI_diffuse_depth", 4)
# // set the active camera (optional, since there is only one camera)
arnold.AiNodeSetPtr(options, "camera", camera)
# create an output driver node
driver = arnold.AiNode("driver_jpeg")
arnold.AiNodeSetStr(driver, "name", "mydriver")
arnold.AiNodeSetStr(driver, "filename", self._sceneName)
arnold.AiNodeSetFlt(driver, "gamma", 2.2)
# create a gaussian filter node
filter = arnold.AiNode("gaussian_filter")
arnold.AiNodeSetStr(filter, "name", "myfilter")
# assign the driver and filter to the main (beauty) AOV,
# which is called "RGBA" and is of type RGBA
outputs_array = arnold.AiArrayAllocate(1, 1, arnold.AI_TYPE_STRING)
arnold.AiArraySetStr(outputs_array, 0, "RGBA RGBA myfilter mydriver")
arnold.AiNodeSetArray(options, "outputs", outputs_array)
# finally, render the image!
arnold.AiRender(arnold.AI_RENDER_MODE_CAMERA)
# // Arnold session shutdown
arnold.AiEnd()
def __init__(self):
super().__init__()
self.data = arnold.AiUniverseGetOptions()
def renderGeo(self):
""" This method calls the arnold functions to setup and scene and render the image
"""
arnold.AiBegin()
arnold.AiMsgSetLogFileName(self.log)
arnold.AiMsgSetConsoleFlags(arnold.AI_LOG_ALL)
attributes = {
"Kd_color": ("rgb", (self._color[0], self._color[1], self._color[2])),
"Ks": ("float", 0.05),
"Ko": ("float", .5),
}
shader = createSimpleShader("standard", "myshader1", attributes)
attributes = {
"center": ("vector", (0.0, 4.0, 0.0)),
"radius": ("float", 5.0),
"shader": ("pointer", shader)
}
sph = createGeometry("sphere", "mysphere", attributes)
# attributes["center"] = ("vector", (1.0, 2.0, 3.0))
# sph1 = createGeometry("sphere", "mysphere", attributes)
# assignAttributes(sph, {"radius": ("float", 0.9)})
# arnold.AiNodeSetRGB(shader1, "Kd_color", self._color[0], self._color[1], self._color[2])
# arnold.AiNodeSetFlt(shader1, "Ks", 0.05)
# # assign the shaders to the geometric objects
# arnold.AiNodeSetPtr(sph, "shader", shader1)
# create a perspective camera
camera = arnold.AiNode("persp_camera")
arnold.AiNodeSetStr(camera, "name", "mycamera")
arnold.AiNodeSetVec(camera, "position", 0.0, 10.0, 35.0)
arnold.AiNodeSetVec(camera, "look_at", 0.0, 3.0, 0.0)
arnold.AiNodeSetFlt(camera, "fov", 45.0)
# create a point light source
light = arnold.AiNode("point_light")
arnold.AiNodeSetStr(light, "name", "pointLight_A")
arnold.AiNodeSetVec(light, "position", 0.0, 30.0, 0.0)
arnold.AiNodeSetFlt(light, "intensity", 10.0)
arnold.AiNodeSetFlt(light, "radius", 4.0)
# create a point light source
light = arnold.AiNode("point_light")
arnold.AiNodeSetStr(light, "name", "pointLight_B")
arnold.AiNodeSetVec(light, "position", 0.0, -30.0, 0.0)
arnold.AiNodeSetFlt(light, "intensity", 10.0)
arnold.AiNodeSetFlt(light, "radius", 4.0)
# create a point light source
light = arnold.AiNode("point_light")
arnold.AiNodeSetStr(light, "name", "pointLight_C")
arnold.AiNodeSetVec(light, "position", 0.0, 4.0, 20.0)
arnold.AiNodeSetFlt(light, "intensity", 5.0)
arnold.AiNodeSetFlt(light, "radius", 15.0)
# get the global options node and set some options
options = arnold.AiUniverseGetOptions()
arnold.AiNodeSetInt(options, "AA_samples", 8)
arnold.AiNodeSetInt(options, "xres", 480)
arnold.AiNodeSetInt(options, "yres", 360)
arnold.AiNodeSetInt(options, "GI_diffuse_depth", 4)
arnold.AiNodeSetPtr(options, "camera", camera)
# create an output driver node
driver = arnold.AiNode("driver_jpeg")
arnold.AiNodeSetStr(driver, "name", "mydriver")
# arnold.AiNodeSetStr(driver, "filepath", os.path.dirname(self.image))
arnold.AiNodeSetStr(driver, "filename", os.path.basename(self.image))
arnold.AiNodeSetFlt(driver, "gamma", 2.2)
# create a gaussian filter node
filter = arnold.AiNode("gaussian_filter")
arnold.AiNodeSetStr(filter, "name", "myfilter")
# assign the driver and filter to the main (beauty) AOV,
# which is called "RGBA" and is of type RGBA
outputs_array = arnold.AiArrayAllocate(1, 1, arnold.AI_TYPE_STRING)
arnold.AiArraySetStr(outputs_array, 0, "RGBA RGBA myfilter mydriver")
arnold.AiNodeSetArray(options, "outputs", outputs_array)
# finally, render the image!
arnold.AiRender(arnold.AI_RENDER_MODE_CAMERA)
# // Arnold session shutdown
arnold.AiEnd()
