def convert_sun_emitter(scene, assembly, emitter_name, element):
sun_params = {}
turbidity = element.find("float[@name='turbidity']")
if turbidity is not None:
sun_params["turbidity"] = float(turbidity.attrib["value"]) - 2.0
else:
sun_params["turbidity"] = 1.0
scale = element.find("float[@name='scale']")
if scale is not None:
sun_params["radiance_multiplier"] = float(scale.attrib["value"])
sun = asr.Light("sun_light", "sun_light", sun_params)
sun_direction = element.find("vector[@name='sunDirection']")
if sun_direction is not None:
from_direction = asr.Vector3d(0.0, 0.0, 1.0)
to_direction = asr.Vector3d(get_vector(sun_direction))
sun.set_transform(
asr.Transformd(
asr.Matrix4d.make_rotation(
asr.Quaterniond.make_rotation(from_direction,
to_direction))))
assembly.lights().insert(sun)
def test_roundtrip(self):
src_params = {'int': 1, 'float': 2.0, 'string': 'string'}
light = asr.Light('point_light', 'light', src_params)
dst_params = light.get_parameters()
self.assertEqual(src_params, dst_params)
def create_entities(self, scene):
lamp = self.bl_lamp
as_lamp_data = lamp.data.appleseed
type_mapping = {'POINT': 'point_light',
'SPOT': 'spot_light',
'HEMI': 'directional_light',
'SUN': 'sun_light'}
model = type_mapping[lamp.data.type]
light_params = {'intensity': "{0}_radiance".format(self.bl_lamp.name),
'intensity_multiplier': as_lamp_data.radiance_multiplier,
'exposure': as_lamp_data.exposure,
'cast_indirect_light': as_lamp_data.cast_indirect,
'importance_multiplier': as_lamp_data.importance_multiplier}
if model == 'spot_light':
self.__create_spot_lamp(as_lamp_data, lamp, light_params)
if model == 'sun_light':
self.__create_sun_lamp(as_lamp_data, light_params)
if model == 'directional_light':
light_params['irradiance'] = light_params.pop('intensity')
light_params['irradiance_multiplier'] = light_params.pop('intensity_multiplier')
self.__as_light = asr.Light(model, self.bl_lamp.name, light_params)
self.__as_light.set_transform(self._convert_matrix(self.bl_lamp.matrix_world))
radiance = self._convert_color(as_lamp_data.radiance)
lamp_radiance_name = "{0}_radiance".format(self.bl_lamp.name)
self.__as_light_radiance = asr.ColorEntity(lamp_radiance_name, {'color_space': 'linear_rgb'}, radiance)
def create_entities(self, depsgraph, deforms_length):
logger.debug(f"appleseed: Creating lamp entity for {self.orig_name}")
as_lamp_data = self.bl_lamp.data.appleseed
self.__lamp_model = self.__get_lamp_model()
if self.bl_lamp.data.type != 'AREA':
self.__radiance = self._convert_color(as_lamp_data.radiance)
lamp_radiance_name = f"{self.orig_name}_radiance"
self.__as_lamp_radiance = asr.ColorEntity(
lamp_radiance_name, {'color_space': 'linear_rgb'},
self.__radiance)
if self.__lamp_model == 'point_light':
self.__as_lamp_params = self.__get_point_lamp_params()
if self.__lamp_model == 'spot_light':
self.__as_lamp_params = self.__get_spot_lamp_params()
if self.__lamp_model == 'directional_light':
self.__as_lamp_params = self.__get_directional_lamp_params()
if self.__lamp_model == 'sun_light':
self.__as_lamp_params = self.__get_sun_lamp_params()
self.__as_lamp = asr.Light(self.__lamp_model, self.orig_name,
self.__as_lamp_params)
else:
shape_params = self._get_area_mesh_params()
mesh_name = f"{self.orig_name}_mesh"
self.__as_area_lamp_mesh = asr.create_primitive_mesh(
mesh_name, shape_params)
mat_name = f"{self.orig_name}_mat"
shader_name = f"{self.orig_name}_tree"
self.__instance_params = self._get_area_mesh_instance_params()
if not self.bl_lamp.data.use_nodes:
shader_name = f"{self.orig_name}_tree"
self.__as_area_lamp_shadergroup = asr.ShaderGroup(shader_name)
self._set_shadergroup()
else:
self.__node_tree = NodeTreeTranslator(
self.bl_lamp.data.node_tree, self._asset_handler,
self.orig_name)
self.__node_tree.create_entities(depsgraph.scene_eval)
self.__as_area_lamp_material = asr.Material(
'osl_material', mat_name, {'osl_surface': shader_name})
def test_roundtrip(self):
src_params = {
'int': 1,
'positive_long': long(8 * 1024 * 1024 * 1024),
'negative_long': long(-8 * 1024 * 1024 * 1024),
'float': 2.0,
'string': 'string',
'bool': False,
'vector2d': asr.Vector2d(3.0, 4.0),
'vector3d': asr.Vector3d(3.0, 4.0, 5.0)
}
light = asr.Light('point_light', 'light', src_params)
dst_params = light.get_parameters()
self.assertEqual(src_params, dst_params)
def convert_sunsky_emitter(scene, assembly, emitter_name, element):
turbidity_element = element.find("float[@name='turbidity']")
if turbidity_element is not None:
turbidity = float(turbidity_element.attrib["value"]) - 2.0
else:
turbidity = 1.0
# Sky.
sun_direction = element.find("vector[@name='sunDirection']")
if sun_direction is not None:
d = get_vector(sun_direction)
sun_theta = math.acos(d[1])
sun_phi = math.atan2(d[2], d[0])
else:
sun_theta = 0.0
sun_phi = 0.0
env_edf = asr.EnvironmentEDF(
"hosek_environment_edf", "environment_edf", {
"sun_theta": math.degrees(sun_theta),
"sun_phi": math.degrees(sun_phi),
"turbidity": turbidity
})
scene.environment_edfs().insert(env_edf)
scene.environment_shaders().insert(
asr.EnvironmentShader("edf_environment_shader", "environment_shader",
{"environment_edf": 'environment_edf'}))
scene.set_environment(
asr.Environment(
"environment", {
"environment_edf": "environment_edf",
"environment_shader": "environment_shader"
}))
# Sun.
sun_params = {"environment_edf": "environment_edf", "turbidity": turbidity}
sun_scale = element.find("float[@name='sunScale']")
if sun_scale is not None:
sun_params["radiance_multiplier"] = float(sun_scale.attrib["value"])
sun = asr.Light("sun_light", "sun_light", sun_params)
assembly.lights().insert(sun)
def build_project():
# Create an empty project.
project = asr.Project('test project')
paths = project.get_search_paths()
paths.append('data')
project.set_search_paths(paths)
# Add default configurations to the project.
project.add_default_configurations()
# Set the number of samples. This is basically the quality parameter: the higher the number
# of samples, the smoother the image but the longer the rendering time.
# todo: fix.
conf = project.configurations()['final']
conf.insert_path('uniform_pixel_renderer.samples', 25)
# Create a scene.
scene = asr.Scene()
# Create an assembly.
assembly = asr.Assembly("assembly")
#------------------------------------------------------------------------
# Materials
#------------------------------------------------------------------------
# Create a color called "gray" and insert it into the assembly.
GrayReflectance = [0.5, 0.5, 0.5]
assembly.colors().insert(
asr.ColorEntity("gray", {'color_space': 'srgb'}, GrayReflectance))
# Create a BRDF called "diffuse_gray_brdf" and insert it into the assembly.
assembly.bsdfs().insert(
asr.BSDF("lambertian_brdf", "diffuse_gray_brdf",
{'reflectance': 'gray'}))
# Create a physical surface shader and insert it into the assembly.
assembly.surface_shaders().insert(
asr.SurfaceShader("physical_surface_shader",
"physical_surface_shader"))
# Create a material called "gray_material" and insert it into the assembly.
assembly.materials().insert(
asr.Material(
"gray_material", {
"surface_shader": "physical_surface_shader",
"bsdf": "diffuse_gray_brdf"
}))
#------------------------------------------------------------------------
# Geometry
#------------------------------------------------------------------------
# Load the scene geometry from disk.
objects = asr.MeshObjectReader.read(project.get_search_paths(), "cube",
{'filename': 'scene.obj'})
# Insert all the objects into the assembly.
for object in objects:
# Create an instance of this object and insert it into the assembly.
instance_name = object.get_name() + "_inst"
material_names = {
"default": "gray_material",
"default2": "gray_material"
}
instance = asr.ObjectInstance(instance_name, {}, object.get_name(),
asr.Transformd(asr.Matrix4d.identity()),
material_names)
assembly.object_instances().insert(instance)
# Insert this object into the scene.
assembly.objects().insert(object)
#------------------------------------------------------------------------
# Light
#------------------------------------------------------------------------
# Create a color called "light_intensity" and insert it into the assembly.
LightRadiance = [1.0, 1.0, 1.0]
assembly.colors().insert(
asr.ColorEntity("light_intensity", {
'color_space': 'srgb',
'multiplier': 30.0
}, LightRadiance))
# Create a point light called "light" and insert it into the assembly.
light = asr.Light("point_light", "light", {'intensity': 'light_intensity'})
light.set_transform(
asr.Transformd(asr.Matrix4d.translation(asr.Vector3d(0.6, 2.0, 1.0))))
assembly.lights().insert(light)
# Create an instance of the assembly and insert it into the scene.
assembly_inst = asr.AssemblyInstance("assembly_inst", {},
assembly.get_name())
assembly_inst.transform_sequence().set_transform(
0.0, asr.Transformd(asr.Matrix4d.identity()))
scene.assembly_instances().insert(assembly_inst)
# Insert the assembly into the scene.
scene.assemblies().insert(assembly)
#------------------------------------------------------------------------
# Environment
#------------------------------------------------------------------------
# Create a color called "sky_radiance" and insert it into the scene.
SkyRadiance = [0.75, 0.80, 1.0]
scene.colors().insert(
asr.ColorEntity("sky_radiance", {
'color_space': 'srgb',
'multiplier': 0.5
}, SkyRadiance))
# Create an environment EDF called "sky_edf" and insert it into the scene.
scene.environment_edfs().insert(
asr.EnvironmentEDF("constant_environment_edf", "sky_edf",
{'radiance': 'sky_radiance'}))
# Create an environment shader called "sky_shader" and insert it into the scene.
scene.environment_shaders().insert(
asr.EnvironmentShader("edf_environment_shader", "sky_shader",
{'environment_edf': 'sky_edf'}))
# Create an environment called "sky" and bind it to the scene.
scene.set_environment(
asr.Environment("sky", {
"environment_edf": "sky_edf",
"environment_shader": "sky_shader"
}))
#------------------------------------------------------------------------
# Camera
#------------------------------------------------------------------------
# Create a pinhole camera with film dimensions 0.980 x 0.735 in (24.892 x 18.669 mm).
params = {
'film_dimensions': asr.Vector2f(0.024892, 0.018669),
'focal_length': 0.035
}
camera = asr.Camera("pinhole_camera", "camera", params)
# Place and orient the camera. By default cameras are located in (0.0, 0.0, 0.0)
# and are looking toward Z- (0.0, 0.0, -1.0).
mat = asr.Matrix4d.rotation(asr.Vector3d(1.0, 0.0, 0.0),
math.radians(-20.0))
mat = mat * asr.Matrix4d.translation(asr.Vector3d(0.0, 0.8, 11.0))
camera.transform_sequence().set_transform(0.0, asr.Transformd(mat))
# Bind the camera to the scene.
scene.set_camera(camera)
#------------------------------------------------------------------------
# Frame
#------------------------------------------------------------------------
# Create a frame and bind it to the project.
params = {
'camera': scene.get_camera().get_name(),
'resolution': asr.Vector2i(640, 480),
'color_space': 'srgb'
}
project.set_frame(asr.Frame("beauty", params))
# Bind the scene to the project.
project.set_scene(scene)
return project
def build_project():
# Create an empty project.
project = asr.Project("4-point-lights")
paths = project.get_search_paths()
paths.append("data")
project.set_search_paths(paths)
# Add default configurations to the project.
project.add_default_configurations()
# Set the number of samples. This is basically the quality parameter: the higher the number
# of samples, the smoother the image but the longer the rendering time.
# todo: fix.
conf = project.configurations()["final"]
conf.insert_path("uniform_pixel_renderer.samples", 1)
# Create a scene.
scene = asr.Scene()
# Create an assembly.
assembly = asr.Assembly("assembly")
# Prepare the orientation of all the objects in the scene.
orientation = asr.Matrix4d.make_rotation(asr.Vector3d(1.0, 0.0, 0.0),
math.radians(-90.0))
#------------------------------------------------------------------------
# Materials
#------------------------------------------------------------------------
# Create a material called "01 - Default_mat" and insert it into the assembly.
assembly.materials().insert(
asr.Material(
"disney_material", "01 - Default_mat", {
"alpha_map": "1",
"layer1": {
"anisotropic": "0",
"base_color": "[1, 1, 1]",
"clearcoat": "0",
"clearcoat_gloss": "0",
"layer_name": "layer1",
"layer_number": "0",
"mask": "1.0",
"metallic": "0",
"roughness": "1",
"sheen": "0",
"sheen_tint": "0",
"specular": "0",
"specular_tint": "0",
"subsurface": "0.0"
}
}))
#------------------------------------------------------------------------
# Geometry
#------------------------------------------------------------------------
# Load the scene geometry from disk.
objects = asr.MeshObjectReader.read(project.get_search_paths(), "plane",
{"filename": "Plane001.binarymesh"})
# Insert all the objects into the assembly.
for object in objects:
# Create an instance of this object and insert it into the assembly.
instance_name = object.get_name() + "_inst"
material_name = {"material_slot_0": "01 - Default_mat"}
mat = orientation * asr.Matrix4d.make_translation(
asr.Vector3d(0.0, 0.0, 0.0))
instance = asr.ObjectInstance(
instance_name, {
"visibility": {
"camera": "true",
"diffuse": "true",
"glossy": "true",
"light": "true",
"probe": "true",
"shadow": "true",
"specular": "true",
"subsurface": "true",
"transparency": "true"
}
}, object.get_name(), asr.Transformd(mat), material_name,
material_name)
assembly.object_instances().insert(instance)
# Insert this object into the scene.
assembly.objects().insert(object)
#------------------------------------------------------------------------
# Lights
#------------------------------------------------------------------------
# Create a list of colors and for each of them create a light.
light_colors = {
"white": [1.0, 1.0, 1.0],
"red": [1.0, 0.0, 0.0],
"green": [0.0, 1.0, 0.0],
"blue": [0.0, 0.0, 1.0]
}
light_positions = [
asr.Vector3d(25.0, -25.0, 5.0),
asr.Vector3d(-25.0, -25.0, 5.0),
asr.Vector3d(25.0, 25.0, 5.0),
asr.Vector3d(-25.0, 25.0, 5.0)
]
for key in light_colors:
color_name = "color_" + key
# Add colors to the project.
assembly.colors().insert(
asr.ColorEntity(color_name, {
"color_space": "linear_rgb",
"multiplier": 1.0
}, light_colors[key]))
idx = light_colors.keys().index(key)
light_name = "light_" + key
# Create the light.
light = asr.Light(
"max_omni_light", light_name, {
"decay_exponent": "0",
"decay_start": "40",
"intensity": color_name,
"intensity_multiplier": "3.14159"
})
mat = orientation * asr.Matrix4d.make_translation(light_positions[idx])
light.set_transform(asr.Transformd(mat))
assembly.lights().insert(light)
#------------------------------------------------------------------------
# Assembly instance
#------------------------------------------------------------------------
# Create an instance of the assembly and insert it into the scene.
assembly_inst = asr.AssemblyInstance("assembly_inst", {},
assembly.get_name())
assembly_inst.transform_sequence().set_transform(
0.0, asr.Transformd(asr.Matrix4d.identity()))
scene.assembly_instances().insert(assembly_inst)
# Insert the assembly into the scene.
scene.assemblies().insert(assembly)
#------------------------------------------------------------------------
# Environment
#------------------------------------------------------------------------
# Create an environment called "env" and bind it to the scene.
scene.set_environment(asr.Environment("env", {}))
#------------------------------------------------------------------------
# Camera
#------------------------------------------------------------------------
# Create an orthographic camera with film dimensions 128 x 128 in.
params = {
"controller_target": "0 0 0",
"film_dimensions": "128 128",
"near_z": "-0.1",
"shutter_close_time": "1.0",
"shutter_open_time": "0.0"
}
camera = asr.Camera("orthographic_camera", "camera", params)
# Place and orient the camera. By default cameras are located in (0.0, 0.0, 0.0)
# and are looking toward Z- (0.0, 0.0, -1.0).
mat = orientation * asr.Matrix4d.make_translation(
asr.Vector3d(0.0, 0.0, 0.0))
camera.transform_sequence().set_transform(0.0, asr.Transformd(mat))
# Bind the camera to the scene.
scene.cameras().insert(camera)
#------------------------------------------------------------------------
# Frame
#------------------------------------------------------------------------
# Create a frame and bind it to the project.
params = {
"camera": "camera",
"clamping": "false",
"color_space": "srgb",
"filter": "box",
"filter_size": "0.5",
"gamma_correction": "1.0",
"pixel_format": "float",
"premultiplied_alpha": "true",
"resolution": "512 512",
"tile_size": "64 64"
}
project.set_frame(asr.Frame("beauty", params))
# Bind the scene to the project.
project.set_scene(scene)
return project
def build_project():
# Create an empty project.
project = asr.Project("grid-point-lights-generator")
paths = project.get_search_paths()
paths.append("data")
project.set_search_paths(paths)
# Add default configurations to the project.
project.add_default_configurations()
# Set the number of samples. This is basically the quality parameter: the higher the number
# of samples, the smoother the image but the longer the rendering time.
# todo: fix.
conf = project.configurations()["final"]
conf.insert_path("uniform_pixel_renderer.samples", 1)
# Create a scene.
scene = asr.Scene()
# Create an assembly.
assembly = asr.Assembly("assembly")
# Prepare the orientation of all the objects in the scene.
orientation = asr.Matrix4d.make_rotation(asr.Vector3d(1.0, 0.0, 0.0),
math.radians(-90.0))
#------------------------------------------------------------------------
# Materials
#------------------------------------------------------------------------
# Create a material called "01 - Default_mat" and insert it into the assembly.
assembly.materials().insert(
asr.Material(
"disney_material", "01 - Default_mat", {
"alpha_map": "1",
"layer1": {
"anisotropic": "0",
"base_color": "[1, 1, 1]",
"clearcoat": "0",
"clearcoat_gloss": "0",
"layer_name": "layer1",
"layer_number": "0",
"mask": "1.0",
"metallic": "0",
"roughness": "1",
"sheen": "0",
"sheen_tint": "0",
"specular": "0",
"specular_tint": "0",
"subsurface": "0.0"
}
}))
#------------------------------------------------------------------------
# Geometry
#------------------------------------------------------------------------
# Load the scene geometry from disk.
objects = asr.MeshObjectReader.read(project.get_search_paths(), "plane",
{"filename": "Plane001.binarymesh"})
# Insert all the objects into the assembly.
for object in objects:
# Create an instance of this object and insert it into the assembly.
instance_name = object.get_name() + "_inst"
material_name = {"material_slot_0": "01 - Default_mat"}
mat = orientation * asr.Matrix4d.make_translation(
asr.Vector3d(0.0, 0.0, 0.0))
instance = asr.ObjectInstance(
instance_name, {
"visibility": {
"camera": "true",
"diffuse": "true",
"glossy": "true",
"light": "true",
"probe": "true",
"shadow": "true",
"specular": "true",
"subsurface": "true",
"transparency": "true"
}
}, object.get_name(), asr.Transformd(mat), material_name,
material_name)
assembly.object_instances().insert(instance)
# Insert this object into the scene.
assembly.objects().insert(object)
#------------------------------------------------------------------------
# Lights
#------------------------------------------------------------------------
light_z_distance = 1.0
if color == "white":
assembly.colors().insert(
asr.ColorEntity("white", {
"color_space": "linear_rgb",
"multiplier": 1.0
}, [1.0, 1.0, 1.0]))
step = float(plane_size) / grid_lights_count
light_count = 0
grid_range = np.linspace(-plane_size / 2 + step, plane_size / 2 - step,
grid_lights_count)
for j in grid_range:
for i in grid_range:
# Create a point light called "light" and insert it into the assembly.
light_name = "light_" + str(light_count)
light_count = light_count + 1
light = asr.Light("point_light", light_name, {
"intensity": "white",
"intensity_multiplier": "3"
})
light_position = asr.Vector3d(i, j, light_z_distance)
mat = orientation * asr.Matrix4d.make_translation(
light_position)
light.set_transform(asr.Transformd(mat))
assembly.lights().insert(light)
elif color == "mix":
for i in xrange(0, grid_lights_count * grid_lights_count):
s = random.uniform(0, 1)
if s < 0.65:
ran = random.gauss(1, 0.01)
elif s < 0.9:
ran = random.gauss(0.3, 0.1)
else:
ran = random.gauss(0.7, 0.01)
random_color = list(colorsys.hls_to_rgb(ran, 0.5, 1.0))
assembly.colors().insert(
asr.ColorEntity("color_" + str(i), {
"color_space": "linear_rgb",
"multiplier": 1.0
}, random_color))
step = float(plane_size) / grid_lights_count
light_count = 0
grid_range = np.linspace(-plane_size / 2 + step, plane_size / 2 - step,
grid_lights_count)
for j in grid_range:
for i in grid_range:
# Create a point light called "light" and insert it into the assembly.
light_name = "light_" + str(light_count)
color_name = "color_" + str(light_count)
light_count = light_count + 1
light = asr.Light("point_light", light_name, {
"intensity": color_name,
"intensity_multiplier": "3"
})
light_position = asr.Vector3d(i, j, light_z_distance)
mat = orientation * asr.Matrix4d.make_translation(
light_position)
light.set_transform(asr.Transformd(mat))
assembly.lights().insert(light)
else:
print("Unknown color: {0}".format(color))
return
#------------------------------------------------------------------------
# Assembly instance
#------------------------------------------------------------------------
# Create an instance of the assembly and insert it into the scene.
assembly_inst = asr.AssemblyInstance("assembly_inst", {},
assembly.get_name())
assembly_inst.transform_sequence().set_transform(
0.0, asr.Transformd(asr.Matrix4d.identity()))
scene.assembly_instances().insert(assembly_inst)
# Insert the assembly into the scene.
scene.assemblies().insert(assembly)
#------------------------------------------------------------------------
# Environment
#------------------------------------------------------------------------
# Create an environment called "env" and bind it to the scene.
scene.set_environment(asr.Environment("env", {}))
#------------------------------------------------------------------------
# Camera
#------------------------------------------------------------------------
# Create an orthographic camera.
params = {
"controller_target": "0 0 0",
"film_dimensions": "128 128",
"near_z": "-0.1",
"shutter_close_time": "1.0",
"shutter_open_time": "0.0"
}
camera = asr.Camera("orthographic_camera", "camera", params)
# Place and orient the camera.
mat = orientation * asr.Matrix4d.make_translation(
asr.Vector3d(0.0, 0.0, 0.0))
camera.transform_sequence().set_transform(0.0, asr.Transformd(mat))
# Bind the camera to the scene.
scene.cameras().insert(camera)
#------------------------------------------------------------------------
# Frame
#------------------------------------------------------------------------
# Create a frame and bind it to the project.
params = {
"camera": "camera",
"clamping": "false",
"color_space": "srgb",
"filter": "box",
"filter_size": "0.5",
"gamma_correction": "1.0",
"pixel_format": "float",
"premultiplied_alpha": "true",
"resolution": "512 512",
"tile_size": "64 64"
}
project.set_frame(asr.Frame("beauty", params))
# Bind the scene to the project.
project.set_scene(scene)
return project
