def testReferenceExistingShader( self ) :
r = IECoreArnold.Renderer()
r.display( "test", "ieDisplay", "rgba", { "driverType" : "ImageDisplayDriver", "handle" : "test" } )
with IECore.WorldBlock( r ) :
shader = arnold.AiNode( "standard" )
arnold.AiNodeSetStr( shader, "name", "red_shader" )
arnold.AiNodeSetFlt( shader, "emission", 1 )
arnold.AiNodeSetRGB( shader, "emission_color", 1, 0, 0 )
r.shader( "surface", "reference:red_shader", {} )
r.sphere( 1, -1, 1, 360, {} )
image = IECore.ImageDisplayDriver.removeStoredImage( "test" )
e = IECore.PrimitiveEvaluator.create( image )
result = e.createResult()
e.pointAtUV( IECore.V2f( 0.5, 0.5 ), result )
self.assertAlmostEqual( result.floatPrimVar( e.A() ), 1, 5 )
self.assertAlmostEqual( result.floatPrimVar( e.R() ), 1, 5 )
self.assertEqual( result.floatPrimVar( e.G() ), 0 )
self.assertEqual( result.floatPrimVar( e.B() ), 0 )
def testReferenceExistingShader(self):
r = IECoreArnold.Renderer()
r.display("test", "ieDisplay", "rgba", {
"driverType": "ImageDisplayDriver",
"handle": "test"
})
with IECore.WorldBlock(r):
shader = arnold.AiNode("standard")
arnold.AiNodeSetStr(shader, "name", "red_shader")
arnold.AiNodeSetFlt(shader, "emission", 1)
arnold.AiNodeSetRGB(shader, "emission_color", 1, 0, 0)
r.shader("surface", "reference:red_shader", {})
r.sphere(1, -1, 1, 360, {})
image = IECoreImage.ImageDisplayDriver.removeStoredImage("test")
dimensions = image.dataWindow.size() + IECore.V2i(1)
index = dimensions.x * int(dimensions.y * 0.5) + int(
dimensions.x * 0.5)
self.assertAlmostEqual(image["A"][index], 1, 5)
self.assertAlmostEqual(image["R"][index], 1, 5)
self.assertEqual(image["G"][index], 0)
self.assertEqual(image["B"][index], 0)
def GetNode(user_data, i):
ptype, pval = user_data.get("type")
n = arnold.AiNode(pval)
if n:
name = "sample_%s" % pval
arnold.AiNodeSetStr(n, "name", name)
ne = arnold.AiNodeGetNodeEntry(n)
for k, v in user_data.iteritems():
if k == "type":
continue
ptype, pval = v
pe = arnold.AiNodeEntryLookUpParameter(ne, k)
if pe:
if ptype == arnold.AI_TYPE_BOOLEAN:
arnold.AiNodeSetBool(n, k, pval)
elif ptype == arnold.AI_TYPE_INT:
arnold.AiNodeSetInt(n, k, pval)
elif ptype == arnold.AI_TYPE_UINT:
arnold.AiNodeSetUInt(n, k, pval)
elif ptype == arnold.AI_TYPE_FLOAT:
arnold.AiNodeSetFlt(n, k, pval)
elif ptype == arnold.AI_TYPE_POINT:
arnold.AiNodeSetPnt(n, k, pval.x, pval.y, pval.z)
elif ptype == arnold.AI_TYPE_POINT2:
arnold.AiNodeSetPnt2(n, k, pval.x, pval.y)
elif ptype == arnold.AI_TYPE_VECTOR:
arnold.AiNodeSetVec(n, k, pval.x, pval.y, pval.z)
elif ptype == arnold.AI_TYPE_RGB:
arnold.AiNodeSetRGB(n, k, pval.r, pval.g, pval.b)
elif ptype == arnold.AI_TYPE_RGBA:
arnold.AiNodeSetRGBA(n, k, pval.r, pval.g, pval.b, pval.a)
elif ptype == arnold.AI_TYPE_STRING:
arnold.AiNodeSetStr(n, k, pval)
return name
else:
return None
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 set_rgb(self, param, r, g, b):
if self.is_valid():
arnold.AiNodeSetRGB(self.data, param, r, g, b)
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()