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 testProceduralsShareInstances(self):
class PlaneProcedural(IECore.Renderer.Procedural):
def __init__(self):
IECore.Renderer.Procedural.__init__(self)
def bound(self):
return IECore.Box3f(IECore.V3f(-10, -10, -0.01),
IECore.V3f(10, 10, 0.01))
def render(self, renderer):
IECore.MeshPrimitive.createPlane(
IECore.Box2f(IECore.V2f(-10),
IECore.V2f(10))).render(renderer)
def hash(self):
h = IECore.MurmurHash()
return h
def arnoldMessageCallback(logMask, severity, msg, tabs):
self.__arnoldMessages.append(msg)
r = IECoreArnold.Renderer()
messageCallback = arnold.AtMsgCallBack(arnoldMessageCallback)
arnold.AiMsgSetCallback(messageCallback)
self.__arnoldMessages = []
arnold.AiMsgSetConsoleFlags(arnold.AI_LOG_ALL)
with IECore.WorldBlock(r):
r.concatTransform(
IECore.M44f.createTranslated(IECore.V3f(0, 0, -5)))
for i in range(0, 100):
r.procedural(PlaneProcedural())
# we can't check for the existence of ginstances by examining the nodes after rendering,
# because it seems that after rendering, arnold reports the type of ginstances
# as being the type of the thing they point to, rather than "ginstance". so instead we
# check for evidence in the log.
polyMeshStats = [
m for m in self.__arnoldMessages if m.startswith("polymeshes")
][0]
self.failUnless("99" in polyMeshStats)
# check that there are no bounding box warnings
boundingBoxWarnings = [
m for m in self.__arnoldMessages if "bounding box" in m
]
self.assertEqual(len(boundingBoxWarnings), 0)
def render_ass(ass, remove_ass=False):
imagefilename = None
ai.AiBegin()
ai.AiLoadPlugins(os.environ['ARNOLD_PLUGIN_PATH'])
ai.AiASSLoad (ass, ai.AI_NODE_ALL)
ai.AiRender()
ai.AiEnd()
# read out file
ai.AiBegin()
ai.AiMsgSetConsoleFlags(ai.AI_LOG_ALL)
ai.AiASSLoad(ass, ai.AI_NODE_ALL)
iter = ai.AiUniverseGetNodeIterator(ai.AI_NODE_ALL)
while not ai.AiNodeIteratorFinished(iter):
node = ai.AiNodeIteratorGetNext(iter)
if ai.AiNodeIs( node, "driver_jpeg" ):
imagefilename = ai.AiNodeGetStr( node, "filename" )
ai.AiNodeIteratorDestroy(iter)
ai.AiEnd()
if remove_ass:
os.remove(ass)
return imagefilename
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 _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 = {}
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
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")
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
_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_float))
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()
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 renderGeo(self):
""" This method calls the arnold functions to setup and scene and render the image
"""
# Beging the arnold session
arnold.AiBegin()
# Set the log for debugging
arnold.AiMsgSetLogFileName(self.log)
arnold.AiMsgSetConsoleFlags(arnold.AI_LOG_ALL)
# Set the attributes for shader
attributes = {
"Kd_color":
("rgb", (self._color[0], self._color[1], self._color[2])),
"Ks": ("float", 0.05),
"Ko": ("float", .5),
}
# Create a simple shader
shader = _arnoldRenderUtils.createSimpleShader("standard", "myshader1",
attributes)
# Set the attributes for a geo
attributes = {
"center": ("vector", (0.0, 4.0, 0.0)),
"radius": ("float", 5.0),
"shader": ("pointer", shader)
}
# Create a simple sphere and set the shader created above
sph = _arnoldRenderUtils.createGeometry("sphere", "mysphere",
attributes)
# Set camera attributes
attributes = {
"position": ("vector", (0.0, 10.0, 35.0)),
"look_at": ("vector", (0.0, 3.0, 0.0)),
"fov": ("float", 45.0),
}
# create a perspective camera
camera = _arnoldRenderUtils.createCamera("persp_camera",
"scene_Camera", attributes)
# Set light attributes
attributes = {
"position": ("vector", (0.0, 30.0, 0.0)),
"intensity": ("float", 10.0),
"radius": ("float", 4.0),
}
# Create point lights with different attributes
point_lightA = _arnoldRenderUtils.createLight("point_light",
"pointLight_A",
attributes)
# Point Light B
attributes["position"] = ("vector", (0.0, -30.0, 0.0))
point_lightB = _arnoldRenderUtils.createLight("point_light",
"pointLight_B",
attributes)
# Point light C
attributes = {
"position": ("vector", (0.0, 4.0, 20.0)),
"intensity": ("float", 5.0),
"radius": ("float", 15.0),
}
point_lightC = _arnoldRenderUtils.createLight("point_light",
"pointLight_C",
attributes)
# Set attributes for render Parameters
attributes = {
"AA_samples": ("integer", 8),
"xres": ("integer", 480),
"yres": ("integer", 360),
"GI_diffuse_depth": ("integer", 4),
"camera": ("pointer", camera),
}
# Set the render options
options = _arnoldRenderUtils.createUniverseOptions(attributes)
# Set the driver attributes
attributes = {
"filename": ("string", os.path.basename(self.image)),
"gamma": ("float", 2.2),
}
driver = _arnoldRenderUtils.createOutputDriver("driver_jpeg",
"scene_driver",
attributes)
# Create a filter
filter = _arnoldRenderUtils.createFilter("gaussian_filter",
"scene_filter", {})
# Create an output array with the filter and driver
outputArrayElements = ["RGBA RGBA scene_filter scene_driver"]
outputs_array = _arnoldRenderUtils.createOutputArray(
arnold.AI_TYPE_STRING, outputArrayElements, {})
attributes = {
"outputs": ("array", outputs_array),
}
_arnoldRenderUtils.assignAttributes(options, attributes)
# render the image
arnold.AiRender(arnold.AI_RENDER_MODE_CAMERA)
# Arnold session shutdown
arnold.AiEnd()
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()