def convert_sphere_shape(scene, assembly, element):
# Radius.
radius_element = element.find("float[@name='radius']")
radius = float(radius_element.attrib["value"]) if radius_element is not None else 1.0
# Center.
center_element = element.find("point[@name='center']")
center = asr.Vector3d(get_vector(center_element)) if center_element is not None else asr.Vector3d(0.0)
# Object.
object_name = make_new_object_name(assembly)
object = asr.create_primitive_mesh(object_name, {
"primitive": "sphere",
"resolution_u": 32,
"resolution_v": 16,
"radius": radius
})
# Instance transform.
matrix = asr.Matrix4d.make_translation(center)
matrix_element = element.find("transform[@name='toWorld']/matrix")
if matrix_element is not None:
# todo: no idea what is the right multiplication order, untested.
matrix = matrix * get_matrix(matrix_element)
transform = asr.Transformd(matrix)
# Instance material.
material_name = process_shape_material(scene, assembly, object_name, element)
instance = make_object_instance(assembly, object, material_name, transform)
assembly.object_instances().insert(instance)
assembly.objects().insert(object)
def convert_disk_shape(scene, assembly, element):
# Radius.
radius_element = element.find("float[@name='radius']")
radius = float(
radius_element.attrib["value"]) if radius_element is not None else 1.0
# Object.
object_name = make_new_object_name(assembly)
object = asr.create_primitive_mesh(
object_name, {
"primitive": "disk",
"resolution_u": 1,
"resolution_v": 32,
"radius": radius
})
# Instance transform.
matrix = get_matrix(element.find("transform[@name='toWorld']/matrix"))
rotx = asr.Matrix4d.make_rotation(asr.Vector3d(1.0, 0.0, 0.0),
math.radians(90.0))
matrix = matrix * rotx
transform = asr.Transformd(matrix)
# Instance material.
material_name = process_shape_material(scene, assembly, object_name,
element)
instance = make_object_instance(assembly, object, material_name, transform)
assembly.object_instances().insert(instance)
assembly.objects().insert(object)
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 convert_rectangle_shape(scene, assembly, element):
# Object.
object_name = make_new_object_name(assembly)
object = asr.create_primitive_mesh(
object_name, {
"primitive": "grid",
"resolution_u": 1,
"resolution_v": 1,
"width": 2.0,
"height": 2.0
})
# Instance transform.
matrix = get_matrix(element.find("transform[@name='toWorld']/matrix"))
rotx = asr.Matrix4d.make_rotation(asr.Vector3d(1.0, 0.0, 0.0),
math.radians(90.0))
matrix = matrix * rotx
transform = asr.Transformd(matrix)
# Instance material.
material_name = process_shape_material(scene, assembly, object_name,
element)
instance = make_object_instance(assembly, object, material_name, transform)
assembly.object_instances().insert(instance)
assembly.objects().insert(object)
def convert_sensor(project, scene, element):
camera_params = {}
camera_matrix = None
frame_params = {
"camera": "camera",
"color_space": "srgb",
"tile_size": "32 32"
}
for child in element:
if child.tag == "float":
if child.attrib["name"] == "fov":
camera_params["horizontal_fov"] = child.attrib["value"]
elif child.tag == "transform":
camera_matrix = get_matrix(child.find("matrix"))
elif child.tag == "sampler":
convert_sampler(project, child)
elif child.tag == "film":
convert_film(camera_params, frame_params, child)
camera = asr.Camera("pinhole_camera", "camera", camera_params)
if camera_matrix is not None:
roty = asr.Matrix4d.make_rotation(asr.Vector3d(0.0, 1.0, 0.0),
math.radians(180.0))
camera_matrix = camera_matrix * roty
camera.transform_sequence().set_transform(
0.0, asr.Transformd(camera_matrix))
scene.cameras().insert(camera)
project.set_frame(asr.Frame("beauty", frame_params))
def convert_envmap_emitter(scene, emitter_name, element):
filepath = element.find("string[@name='filename']").attrib["value"]
texture_instance_name = create_texture(scene, "environment_map", filepath)
env_edf = asr.EnvironmentEDF("latlong_map_environment_edf",
"environment_edf",
{"radiance": texture_instance_name})
matrix_element = element.find("transform[@name='toWorld']/matrix")
if matrix_element is not None:
matrix = get_matrix(matrix_element)
roty = asr.Matrix4d.make_rotation(asr.Vector3d(0.0, 1.0, 0.0),
math.radians(-90.0))
matrix = matrix * roty
env_edf.transform_sequence().set_transform(0.0, asr.Transformd(matrix))
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"
}))
def __create_backdrop(self, preview_template_dir):
# Define the background plane
plane = asr.MeshObjectReader.read(
[], "plane_obj", {
'filename':
os.path.join(preview_template_dir,
'material_preview_ground.binarymesh')
})
plane_inst = asr.ObjectInstance(
"plane", {}, "plane_obj.part_0",
asr.Transformd(asr.Matrix4d.identity()), {'default': "plane_mat"})
plane_mat = asr.Material("generic_material", "plane_mat", {
'bsdf': "plane_bsdf",
'surface_shader': "base_shader"
})
plane_bsdf = asr.BSDF("lambertian_brdf", "plane_bsdf",
{'reflectance': "plane_tex"})
plane_tex = asr.Texture(
"disk_texture_2d", "plane_tex_tex", {
'filename':
os.path.join(preview_template_dir, "checker_texture.png"),
'color_space':
'srgb'
}, [])
plane_tex_inst = asr.TextureInstance(
"plane_tex", {}, "plane_tex_tex",
asr.Transformf(asr.Matrix4f.identity()))
return plane, plane_bsdf, plane_inst, plane_mat, plane_tex, plane_tex_inst
def __create_sphere(self, preview_template_dir):
# Define the sphere preview object.
sphere = asr.MeshObjectReader.read(self.__project.get_search_paths(), "sphere_obj",
{'filename': os.path.join(preview_template_dir, 'material_preview_sphere.binarymesh')})
sphere_inst = asr.ObjectInstance("sphere", {}, "sphere_obj.part_0", asr.Transformd(asr.Matrix4d.identity()),
{'default': "preview_mat"}, {'default': "preview_mat"})
return sphere, sphere_inst
def __create_project(self):
"""
Creates the base project.
"""
logger.debug("Creating appleseed project")
self.__project = asr.Project(self.bl_scene.name)
# Render settings.
self.__project.add_default_configurations()
# Create the scene.
self.__project.set_scene(asr.Scene())
# Create the environment.
self.__project.get_scene().set_environment(asr.Environment("environment", {}))
# Create the main assembly.
self.__project.get_scene().assemblies().insert(asr.Assembly("assembly", {}))
self.__main_assembly = self.__project.get_scene().assemblies()["assembly"]
# Instance the main assembly.
assembly_inst = asr.AssemblyInstance("assembly_inst",
{},
"assembly")
assembly_inst.transform_sequence().set_transform(0.0, asr.Transformd(asr.Matrix4d.identity()))
self.__project.get_scene().assembly_instances().insert(assembly_inst)
# Create default materials.
self.__create_default_material()
self.__create_null_material()
def _convert_matrix(m):
"""
Converts a Blender matrix to an appleseed matrix
We have the following conventions:
Both Blender and appleseed use right-hand coordinate systems.
Both Blender and appleseed use column-major matrices.
Both Blender and appleseed use pre-multiplication.
In Blender, given a matrix m, m[i][j] is the element at the i'th row, j'th column.
The only difference between the coordinate systems of Blender and appleseed is the up vector:
in Blender, up is Z+; in appleseed, up is Y+. So we need to add a -90 degree rotation along the x
axis to translate.
:param m: Input Blender object matrix
:return: appleseed transform of the modified matrix
"""
matrix = asr.Matrix4d([
m[0][0], m[0][1], m[0][2], m[0][3], m[1][0], m[1][1], m[1][2],
m[1][3], m[2][0], m[2][1], m[2][2], m[2][3], m[3][0], m[3][1],
m[3][2], m[3][3]
])
rotation_modify = asr.Matrix4d.make_rotation(
asr.Vector3d(1.0, 0.0, 0.0), math.radians(-90.0))
matrix = rotation_modify * matrix
return asr.Transformd(matrix)
def __create_camera(self, scene):
# Define the render camera
camera = asr.Camera('pinhole_camera', "preview_camera", {"film_width": 0.032,
"focal_length": 0.035,
"aspect_ratio": util.get_frame_aspect_ratio(scene)})
camera_matrix = asr.Matrix4d([1.0, 0.0, 0.0, -0.03582507744431496,
0.0, -4.371138828673793e-08, -1.0, -2.135615587234497,
0.0, 1.0, -4.371138828673793e-08, 0.5015512704849243,
0.0, 0.0, 0.0, 1.0])
camera.transform_sequence().set_transform(0.0, asr.Transformd(camera_matrix))
self.__project.get_scene().cameras().insert(camera)
def __create_lamp(self, preview_template_dir):
# Define the single area lamp used for illumination
lamp = asr.MeshObjectReader.read(self.__project.get_search_paths(), "lamp_obj",
{'filename': os.path.join(preview_template_dir, 'material_preview_lamp.binarymesh')})
lamp_matrix = asr.Matrix4d([0.8611875772476196, 0.508287250995636, 0.0, 0.0,
-0.508287250995636, 0.8611875772476196, 0.0, 0.0,
0.0, 0.0, 1.0, 0.0,
0.0, 0.0, 0.0, 1.0])
lamp_inst = asr.ObjectInstance("lamp", {}, "lamp_obj.part_0", asr.Transformd(lamp_matrix),
{'default': "lamp_mat"}, {'default': "lamp_mat"})
lamp_mat = asr.Material("generic_material", "lamp_mat", {'edf': "lamp_edf", 'surface_shader': "base_shader"})
lamp_edf = asr.EDF("diffuse_edf", "lamp_edf", {'radiance': 7})
return lamp, lamp_edf, lamp_inst, lamp_mat
def __create_project(self):
# Create the environment.
self.__project.get_scene().set_environment(asr.Environment("environment", {}))
# Create the main assembly.
self.__project.get_scene().assemblies().insert(asr.Assembly("assembly", {}))
self.__main_assembly = self.__project.get_scene().assemblies()["assembly"]
# Instance the main assembly.
assembly_inst = asr.AssemblyInstance("assembly_inst", {}, "assembly")
assembly_inst.transform_sequence().set_transform(0.0, asr.Transformd(asr.Matrix4d.identity()))
self.__project.get_scene().assembly_instances().insert(assembly_inst)
# Path to the .binarymesh models needed for the preview render
preview_template_dir = os.path.join(os.path.dirname(os.path.dirname(util.realpath(__file__))), "mat_preview")
return preview_template_dir
def convert_cube_shape(scene, assembly, element):
# Object.
object_name = make_new_object_name(assembly)
object = asr.create_primitive_mesh(object_name, {"primitive": "cube"})
# Instance transform.
matrix_element = element.find("transform[@name='toWorld']/matrix")
matrix = get_matrix(matrix_element) if matrix_element is not None else asr.Matrix4d.identity()
transform = asr.Transformd(matrix)
# Instance material.
material_name = process_shape_material(scene, assembly, object_name, element)
instance = make_object_instance(assembly, object, material_name, transform)
assembly.object_instances().insert(instance)
assembly.objects().insert(object)
def convert_obj_shape(project, scene, assembly, element):
# Read OBJ file from disk and create objects.
object_name = make_new_object_name(assembly)
filepath = element.find("string[@name='filename']").attrib["value"]
objects = asr.MeshObjectReader.read(project.get_search_paths(), object_name, {"filename": filepath})
# Instance transform.
matrix = get_matrix(element.find("transform[@name='toWorld']/matrix"))
transform = asr.Transformd(matrix)
# Instance material.
material_name = process_shape_material(scene, assembly, object_name, element)
for object in objects:
instance = make_object_instance(assembly, object, material_name, transform)
assembly.object_instances().insert(instance)
assembly.objects().insert(object)
def update_obj_instance(self):
self.__ass.object_instances().remove(self.__as_mesh_inst)
self.__as_mesh_inst_params = self.__get_mesh_inst_params()
self.__front_materials, self.__back_materials = self.__get_material_mappings(
)
mesh_name = self.__object_instance_mesh_name(self.orig_name)
self.__as_mesh_inst = asr.ObjectInstance(
self.__obj_inst_name, self.__as_mesh_inst_params, mesh_name,
asr.Transformd(asr.Matrix4d().identity()), self.__front_materials,
self.__back_materials)
self.__ass.object_instances().insert(self.__as_mesh_inst)
self.__as_mesh_inst = self.__ass.object_instances().get_by_name(
self.__obj_inst_name)
def convert(tree):
project = asr.Project("project")
# Search paths.
paths = project.get_search_paths()
paths.append("models")
paths.append("textures")
project.set_search_paths(paths)
# Add default configurations to the project.
project.add_default_configurations()
# Enable caustics.
project.configurations().get_by_name("final").insert_path(
"pt.enable_caustics", True)
project.configurations().get_by_name("interactive").insert_path(
"pt.enable_caustics", True)
# Create a scene.
scene = asr.Scene()
# Create an assembly.
assembly = asr.Assembly("assembly")
assembly.surface_shaders().insert(
asr.SurfaceShader("physical_surface_shader",
"physical_surface_shader"))
# Convert the Mitsuba scene.
convert_scene(project, scene, assembly, tree.getroot())
# Create an instance of the assembly.
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)
# Bind the scene to the project.
project.set_scene(scene)
return project
def update_object(self, context, depsgraph, as_assembly, textures_to_add,
as_texture_translators):
logger.debug("Updating translator for %s", self.appleseed_name)
mesh_name = self.__object_instance_mesh_name(
f"{self.appleseed_name}_obj")
self.__as_mesh_inst_params = self.__get_mesh_inst_params()
self.__front_materials, self.__back_materials = self.__get_material_mappings(
)
self.__ass.object_instances().remove(self.__as_mesh_inst)
self.__as_mesh_inst = asr.ObjectInstance(
self.appleseed_name, self.__as_mesh_inst_params, mesh_name,
asr.Transformd(asr.Matrix4d().identity()), self.__front_materials,
self.__back_materials)
self.__ass.object_instances().insert(self.__as_mesh_inst)
self.__as_mesh_inst = self.__ass.object_instances().get_by_name(
self.appleseed_name)
def _convert_matrix(m):
"""
Converts a Blender matrix to an appleseed matrix
We have the following conventions:
Both Blender and appleseed use right-hand coordinate systems.
Both Blender and appleseed use column-major matrices.
Both Blender and appleseed use pre-multiplication.
In Blender, given a matrix m, m[i][j] is the element at the i'th row, j'th column.
The only difference between the coordinate systems of Blender and appleseed is the up vector:
in Blender, up is Z+; in appleseed, up is Y+.
"""
matrix = asr.Matrix4d([m[0][0], m[0][1], m[0][2], m[0][3],
m[1][0], m[1][1], m[1][2], m[1][3],
m[2][0], m[2][1], m[2][2], m[2][3],
m[3][0], m[3][1], m[3][2], m[3][3]])
return asr.Transformd(matrix)
def flush_entities(self, as_scene, as_assembly, as_project):
logger.debug("appleseed: Flushing world entity to project")
if self.__as_env_type != 'none':
self.__as_env_edf.transform_sequence().set_transform(
0.0,
asr.Transformd(self._convert_matrix(asr.Matrix4d.identity())))
for index, color in enumerate(self.__as_colors):
color_name = color.get_name()
as_scene.colors().insert(color)
self.__as_colors[index] = as_scene.colors().get_by_name(
color_name)
as_env_edf_name = self.__as_env_edf.get_name()
as_scene.environment_edfs().insert(self.__as_env_edf)
self.__as_env_edf = as_scene.environment_edfs().get_by_name(
as_env_edf_name)
as_env_shader_name = self.__as_env_shader.get_name()
as_scene.environment_shaders().insert(self.__as_env_shader)
self.__as_env_shader = as_scene.environment_shaders().get_by_name(
as_env_shader_name)
as_scene.set_environment(self.__as_env)
def create_entities(self, scene):
as_sky = self.bl_scene.world.appleseed_sky
env_type = as_sky.env_type
if env_type == 'sunsky':
env_type = as_sky.sun_model
if env_type == 'constant':
self.__colors.append(
asr.ColorEntity(
'horizon_radiance_color', {'color_space': 'linear_rgb'},
self._convert_color(self.bl_scene.world.horizon_color)))
elif env_type in ('gradient', 'constant_hemisphere'):
self.__colors.append(
asr.ColorEntity(
'horizon_radiance_color', {'color_space': 'srgb'},
self._convert_color(self.bl_scene.world.horizon_color)))
self.__colors.append(
asr.ColorEntity(
'zenith_radiance_color', {'color_space': 'linear_rgb'},
self._convert_color(self.bl_scene.world.zenith_color)))
if env_type in ('latlong_map', 'mirrorball_map'):
try:
filename = self.asset_handler.process_path(
as_sky.env_tex.filepath, AssetType.TEXTURE_ASSET)
except:
logger.warning("No Texture Selected!")
filename = ""
tex_inst_params = {
'addressing_mode': 'wrap',
'filtering_mode': 'bilinear'
}
self.__env_tex = asr.Texture(
'disk_texture_2d', 'environment_tex', {
'filename': filename,
'color_space': as_sky.env_tex_colorspace
}, [])
self.__env_tex_inst = asr.TextureInstance(
'environment_tex_inst', tex_inst_params, 'environment_tex',
asr.Transformf(asr.Matrix4f.identity()))
if env_type == 'latlong_map':
edf_params = {
'radiance': "environment_tex_inst",
'radiance_multiplier': as_sky.env_tex_mult,
'exposure': as_sky.env_exposure
}
elif env_type == 'mirrorball_map':
edf_params = {
'radiance': "environment_tex_inst",
'exposure': as_sky.env_exposure,
'radiance_multiplier': as_sky.env_tex_mult
}
elif env_type == 'constant':
edf_params = {'radiance': 'horizon_radiance_color'}
elif env_type == 'gradient':
edf_params = {
'horizon_radiance': "horizon_radiance_color",
'zenith_radiance': "zenith_radiance_color"
}
elif env_type == 'constant_hemisphere':
edf_params = {
'lower_hemi_radiance': "horizon_radiance_color",
'upper_hemi_radiance': "zenith_radiance_color"
}
else:
edf_params = {
'ground_albedo': as_sky.ground_albedo,
'sun_phi': as_sky.sun_phi,
'sun_theta': as_sky.sun_theta,
'turbidity': as_sky.turbidity,
'turbidity_multiplier': as_sky.turbidity_multiplier,
'luminance_multiplier': as_sky.luminance_multiplier,
'luminance_gamma': as_sky.luminance_gamma,
'saturation_multiplier': as_sky.saturation_multiplier,
'horizon_shift': as_sky.horizon_shift
}
self.__as_env_edf = asr.EnvironmentEDF(env_type + "_environment_edf",
"sky_edf", edf_params)
self.__as_env_shader = asr.EnvironmentShader(
"edf_environment_shader", "sky_shader", {
'environment_edf': 'sky_edf',
'alpha_value': as_sky.env_alpha
})
self.__as_env = asr.Environment("sky", {
"environment_edf": "sky_edf",
"environment_shader": "sky_shader"
})
self.__as_env_edf.transform_sequence().set_transform(
0.0, asr.Transformd(self._convert_matrix(asr.Matrix4d.identity())))
def flush_entities(self, assembly):
# Compute tangents if needed.
if self.__export_mode != ProjectExportMode.PROJECT_EXPORT:
if self.bl_obj.data.appleseed.smooth_tangents and self.bl_obj.data.appleseed.export_uvs:
asr.compute_smooth_vertex_tangents(self.__mesh_object)
asr_obj_props = self.bl_obj.appleseed
mesh_name = self.__mesh_object.get_name()
object_instance_params = {'visibility': {'camera': asr_obj_props.camera_visible,
'light': asr_obj_props.light_visible,
'shadow': asr_obj_props.shadow_visible,
'diffuse': asr_obj_props.diffuse_visible,
'glossy': asr_obj_props.glossy_visible,
'specular': asr_obj_props.specular_visible,
'transparency': asr_obj_props.transparency_visible},
'medium_priority': asr_obj_props.medium_priority,
'ray_bias_method': asr_obj_props.object_ray_bias_method,
'ray_bias_distance': asr_obj_props.object_ray_bias_distance}
if asr_obj_props.object_sss_set != "":
object_instance_params['sss_set_id'] = asr_obj_props.object_sss_set
if self.__export_mode == ProjectExportMode.PROJECT_EXPORT:
# Replace the MeshObject by an empty one referencing
# the binarymesh files we saved before.
params = {}
if len(self.__mesh_filenames) == 1:
# No motion blur. Write a single filename.
params['filename'] = "_geometry/" + self.__mesh_filenames[0]
else:
# Motion blur. Write one filename per motion pose.
params['filename'] = {}
for i, f in enumerate(self.__mesh_filenames):
params['filename'][str(i)] = "_geometry/" + f
self.__mesh_object = asr.MeshObject(mesh_name, params)
self._xform_seq.optimize()
logger.debug(
"Flushing object %s, num instances = %s, num xform keys = %s",
self.appleseed_name,
self._num_instances,
self._xform_seq.size())
if self.__export_mode == ProjectExportMode.INTERACTIVE_RENDER:
# We always create assemblies when doing IPR to allow quick xform edits.
needs_assembly = True
else:
# Only create an assembly if the object is instanced or has xform motion blur.
needs_assembly = self._num_instances > 1 or self._xform_seq.size() > 1
if needs_assembly:
logger.debug("Creating assembly for object %s, name: %s", mesh_name, self.assembly_name)
ass = asr.Assembly(self.assembly_name)
logger.debug("Creating object instance for object %s, name: %s", mesh_name, self.appleseed_name)
obj_inst = asr.ObjectInstance(
self.appleseed_name,
object_instance_params,
self.__object_instance_mesh_name(mesh_name),
asr.Transformd(asr.Matrix4d().identity()),
self.__front_materials,
self.__back_materials)
ass.objects().insert(self.__mesh_object)
self.__mesh_object = ass.objects().get_by_name(mesh_name)
obj_inst_name = obj_inst.get_name()
ass.object_instances().insert(obj_inst)
self.__obj_inst = ass.object_instances().get_by_name(obj_inst_name)
assembly_instance_name = self.assembly_name + "_inst"
logger.debug("Creating assembly instance for object %s, name: %s", mesh_name, assembly_instance_name)
ass_name = self._insert_entity_with_unique_name(assembly.assemblies(), ass, ass.get_name())
self.__ass = assembly.assemblies().get_by_name(ass_name)
ass_inst = asr.AssemblyInstance(
assembly_instance_name,
{},
ass_name)
ass_inst.set_transform_sequence(self._xform_seq)
ass_inst_name = self._insert_entity_with_unique_name(assembly.assembly_instances(), ass_inst, ass_inst.get_name())
self.__ass_inst = assembly.assembly_instances().get_by_name(ass_inst_name)
if self.__alpha_tex is not None:
self.__ass.textures().insert(self.__alpha_tex)
if self.__alpha_tex_inst is not None:
self.__ass.texture_instances().insert(self.__alpha_tex_inst)
else:
logger.debug("Creating object instance for object %s, name: %s", mesh_name, self.appleseed_name)
mesh_name = self._insert_entity_with_unique_name(assembly.objects(), self.__mesh_object, mesh_name)
self.__mesh_object = assembly.objects().get_by_name(mesh_name)
obj_inst = asr.ObjectInstance(
self.appleseed_name,
object_instance_params,
self.__object_instance_mesh_name(mesh_name),
self._xform_seq.get_earliest_transform(),
self.__front_materials,
self.__back_materials)
obj_inst_name = self._insert_entity_with_unique_name(assembly.object_instances(), obj_inst, obj_inst.get_name())
self.__obj_inst = assembly.object_instances().get_by_name(obj_inst_name)
if self.__alpha_tex is not None:
assembly.textures().insert(self.__alpha_tex)
if self.__alpha_tex_inst is not None:
assembly.texture_instances().insert(self.__alpha_tex_inst)
def build_project():
# Create an empty project.
project = asr.Project('test project')
# 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', 16)
# Create a scene.
scene = asr.Scene()
# Create an assembly.
assembly = asr.Assembly("assembly")
#------------------------------------------------------------------------
# Materials
#------------------------------------------------------------------------
for i in range(0, 10):
assembly.bsdfs().insert(
asr.BSDF(
"glossy_brdf", "glossy" + str(i), {
"mdf": "ggx",
"reflectance": 1.0,
"roughness": i / 9.0,
"energy_compensation": 0.0
}))
assembly.bsdfs().insert(
asr.BSDF(
"glossy_brdf", "glossy_ec" + str(i), {
"mdf": "ggx",
"reflectance": 1.0,
"roughness": i / 9.0,
"energy_compensation": 1.0
}))
for i in range(0, 10):
assembly.materials().insert(
asr.Material("generic_material", "mat" + str(i),
{"bsdf": "glossy" + str(i)}))
assembly.materials().insert(
asr.Material("generic_material", "mat_ec" + str(i),
{"bsdf": "glossy_ec" + str(i)}))
#------------------------------------------------------------------------
# Geometry
#------------------------------------------------------------------------
object_name = "sphere"
object = asr.MeshObject(object_name, {
"primitive": "sphere",
"radius": 0.4
})
assembly.objects().insert(object)
obj_instance_params = {'visibility': {"glossy": False, "shadow": False}}
for i in range(0, 10):
instance_name = object_name + "_inst" + str(i)
material_names = {"default": "mat" + str(i)}
mat = asr.Matrix4d.make_translation(asr.Vector3d(-5.0 + i, -0.5, 0.0))
instance = asr.ObjectInstance(instance_name,
obj_instance_params, object_name,
asr.Transformd(mat), material_names)
assembly.object_instances().insert(instance)
for i in range(0, 10):
instance_name = object_name + "_ec_inst" + str(i)
material_names = {"default": "mat_ec" + str(i)}
mat = asr.Matrix4d.make_translation(asr.Vector3d(-5.0 + i, 0.5, 0.0))
instance = asr.ObjectInstance(instance_name,
obj_instance_params, object_name,
asr.Transformd(mat), material_names)
assembly.object_instances().insert(instance)
#------------------------------------------------------------------------
# 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 a color called "gray" and insert it into the scene.
Gray = [0.5, 0.5, 0.5]
scene.colors().insert(
asr.ColorEntity("gray", {
'color_space': 'linear_rgb',
'multiplier': 1.0
}, Gray))
# Create an environment EDF called "gray_edf" and insert it into the scene.
scene.environment_edfs().insert(
asr.EnvironmentEDF("constant_environment_edf", "gray_edf",
{'radiance': 'gray'}))
# Create an environment shader called "gray_shader" and insert it into the scene.
scene.environment_shaders().insert(
asr.EnvironmentShader("edf_environment_shader", "gray_shader",
{'environment_edf': 'gray_edf'}))
# Create an environment called "sky" and bind it to the scene.
scene.set_environment(
asr.Environment("sky", {
"environment_edf": "gray_edf",
"environment_shader": "gray_shader"
}))
#------------------------------------------------------------------------
# Camera
#------------------------------------------------------------------------
params = {
'film_dimensions': asr.Vector2f(0.0640, 0.0200),
'focal_length': 0.035
}
camera = asr.Camera("pinhole_camera", "camera", params)
mat = asr.Matrix4d.make_translation(
asr.Vector3d(-0.444315058060864, -0.071277492791890,
5.674764299781837))
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', 'resolution': asr.Vector2i(640, 200)}
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 flush_entities(self, as_assembly, as_project):
logger.debug("Flushing entity for %s", self.appleseed_name)
for instance in self.__instances.values():
instance.optimize()
mesh_name = f"{self.appleseed_name}_obj"
if self.__export_mode == ProjectExportMode.PROJECT_EXPORT:
# Replace the MeshObject by an empty one referencing
# the binarymesh files we saved before.
params = {}
if len(self.__mesh_filenames) == 1:
# No motion blur. Write a single filename.
params['filename'] = "_geometry/" + self.__mesh_filenames[0]
else:
# Motion blur. Write one filename per motion pose.
params['filename'] = {}
for i, f in enumerate(self.__mesh_filenames):
params['filename'][str(i)] = "_geometry/" + f
self.__as_mesh = asr.MeshObject(mesh_name, params)
mesh_name = self.__object_instance_mesh_name(
f"{self.appleseed_name}_obj")
if self.__export_mode == ProjectExportMode.INTERACTIVE_RENDER or len(
self.__instances) > 1:
self.__has_assembly = True
else:
for instance in self.__instances.values():
xform_seq = instance
if xform_seq.size() > 1:
self.__has_assembly = True
if self.__has_assembly:
self.__as_mesh_inst = asr.ObjectInstance(
self.appleseed_name, self.__as_mesh_inst_params, mesh_name,
asr.Transformd(asr.Matrix4d().identity()),
self.__front_materials, self.__back_materials)
ass_name = f"{self.appleseed_name}_ass"
self.__ass = asr.Assembly(ass_name)
self.__ass.objects().insert(self.__as_mesh)
self.__as_mesh = self.__ass.objects().get_by_name(mesh_name)
self.__ass.object_instances().insert(self.__as_mesh_inst)
self.__as_mesh_inst = self.__ass.object_instances().get_by_name(
self.appleseed_name)
as_assembly.assemblies().insert(self.__ass)
self.__ass = as_assembly.assemblies().get_by_name(ass_name)
for key, transform_matrix in self.__instances.items():
ass_inst_name = f"{key}_ass_inst"
ass_inst = asr.AssemblyInstance(ass_inst_name, {}, ass_name)
ass_inst.set_transform_sequence(transform_matrix)
as_assembly.assembly_instances().insert(ass_inst)
self.__instances[key] = as_assembly.assembly_instances(
).get_by_name(ass_inst_name)
else:
self.__as_mesh_inst = asr.ObjectInstance(
self.appleseed_name, self.__as_mesh_inst_params, mesh_name,
xform_seq.get_earliest_transform(), self.__front_materials,
self.__back_materials)
as_assembly.objects().insert(self.__as_mesh)
self.__as_mesh = as_assembly.objects().get_by_name(mesh_name)
as_assembly.object_instances().insert(self.__as_mesh_inst)
self.__as_mesh_inst = as_assembly.object_instances().get_by_name(
self.appleseed_name)
def update_lamp(self, depsgraph, as_main_assembly, as_scene, as_project):
logger.debug(f"appleseed: Updating lamp entity for {self.orig_name}")
as_lamp_data = self.bl_lamp.data.appleseed
current_model = self.__lamp_model
self.__lamp_model = self.__get_lamp_model()
if current_model == self.__lamp_model:
if self.__lamp_model != 'area_lamp':
# Check if the radiance has changed.
current_radiance = self.__radiance
self.__radiance = self._convert_color(as_lamp_data.radiance)
if current_radiance != self.__radiance:
as_main_assembly.colors().remove(self.__as_lamp_radiance)
lamp_radiance_name = f"{self.orig_name}_radiance"
self.__as_lamp_radiance = asr.ColorEntity(
lamp_radiance_name, {'color_space': 'linear_rgb'},
self.__radiance)
as_main_assembly.colors().insert(self.__as_lamp_radiance)
self.__as_lamp_radiance = as_main_assembly.colors(
).get_by_name(lamp_radiance_name)
# Update lamp parameters.
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.set_parameters(self.__as_lamp_params)
else:
self.__ass.object_instances().remove(self.__as_area_lamp_inst)
self.__ass.objects().remove(self.__as_area_lamp_mesh)
shape_params = self._get_area_mesh_params()
mesh_name = f"{self.orig_name}_mesh"
mat_name = f"{self.orig_name}_mat"
self.__as_area_lamp_mesh = asr.create_primitive_mesh(
mesh_name, shape_params)
self.__instance_params = self._get_area_mesh_instance_params()
self.__as_area_lamp_inst = asr.ObjectInstance(
self.__as_area_lamp_inst_name, self.__instance_params,
mesh_name, asr.Transformd(asr.Matrix4d().identity()),
{"default": mat_name}, {"default": "__null_material"})
self.__ass.objects().insert(self.__as_area_lamp_mesh)
self.__as_area_lamp_mesh = self.__ass.objects().get_by_name(
mesh_name)
self.__ass.object_instances().insert(self.__as_area_lamp_inst)
self.__as_area_lamp_inst = self.__ass.object_instances(
).get_by_name(self.__as_area_lamp_inst_name)
if self.bl_lamp.data.use_nodes:
if self.__as_area_lamp_shadergroup is not None:
as_main_assembly.shader_groups().remove(
self.__as_area_lamp_shadergroup)
self.__as_area_lamp_shadergroup = None
self.__node_tree = NodeTreeTranslator(
self.bl_lamp.data.node_tree, self._asset_handler,
self.orig_name)
self.__node_tree.create_entities(depsgraph.scene_eval)
else:
self.__node_tree.update_nodetree(depsgraph.scene_eval)
else:
if self.__node_tree is not None:
self.__node_tree.delete_nodetree(as_main_assembly)
self.__node_tree = None
shader_name = f"{self.orig_name}_tree"
self.__as_area_lamp_shadergroup = asr.ShaderGroup(
shader_name)
self._set_shadergroup()
else:
self._set_shadergroup()
else:
# Delete current light.
if current_model != 'area_lamp':
self.__ass.lights().remove(self.__as_lamp)
as_main_assembly.colors().remove(self.__as_lamp_radiance)
else:
self.__ass.objects().remove(self.__as_area_lamp_mesh)
self.__ass.object_instances().remove(self.__as_area_lamp_inst)
as_main_assembly.materials().remove(
self.__as_area_lamp_material)
if self.__as_area_lamp_shadergroup is not None:
as_main_assembly.shader_groups().remove(
self.__as_area_lamp_shadergroup)
self.__as_area_lamp_shadergroup = None
else:
self.__node_tree.delete_nodetree(as_main_assembly)
# Create new light.
self.create_entities(depsgraph, 0)
if self.__lamp_model != 'area_lamp':
radiance_name = self.__as_lamp_radiance.get_name()
as_main_assembly.colors().insert(self.__as_lamp_radiance)
self.__as_lamp_radiance = as_main_assembly.colors(
).get_by_name(radiance_name)
self.__ass.lights().insert(self.__as_lamp)
self.__as_lamp = self.__ass.lights().get_by_name(
self.orig_name)
else:
mat_name = f"{self.orig_name}_mat"
mesh_name = f"{self.orig_name}_mesh"
self.__as_area_lamp_inst_name = f"{self.orig_name}_inst"
as_main_assembly.materials().insert(
self.__as_area_lamp_material)
self.__as_area_lamp_material = as_main_assembly.materials(
).get_by_name(mat_name)
if self.__as_area_lamp_shadergroup is not None:
shadergroup_name = self.__as_area_lamp_shadergroup.get_name(
)
as_main_assembly.shader_groups().insert(
self.__as_area_lamp_shadergroup)
self.__as_area_lamp_shadergroup = as_main_assembly.shader_groups(
).get_by_name(shadergroup_name)
else:
self.__node_tree.flush_entities(as_scene, as_main_assembly,
as_project)
self.__as_area_lamp_inst = asr.ObjectInstance(
self.__as_area_lamp_inst_name, self.__instance_params,
mesh_name, asr.Transformd(asr.Matrix4d().identity()),
{"default": mat_name}, {"default": "__null_material"})
self.__ass.objects().insert(self.__as_area_lamp_mesh)
self.__as_area_lamp_mesh = self.__ass.objects().get_by_name(
mesh_name)
self.__ass.object_instances().insert(self.__as_area_lamp_inst)
self.__as_area_lamp_inst = self.__ass.object_instances(
).get_by_name(self.__as_area_lamp_inst_name)
def flush_entities(self, as_scene, as_main_assembly, as_project):
logger.debug(
f"appleseed: Flushing lamp entity for {self.orig_name} to project")
self.__instance_lib.optimize_xforms()
needs_assembly = self.__export_mode == ProjectExportMode.INTERACTIVE_RENDER or self.__instance_lib.needs_assembly(
)
if self.__lamp_model != 'area_lamp':
radiance_name = self.__as_lamp_radiance.get_name()
as_main_assembly.colors().insert(self.__as_lamp_radiance)
self.__as_lamp_radiance = as_main_assembly.colors().get_by_name(
radiance_name)
if needs_assembly:
self.__ass_name = f"{self.orig_name}_ass"
self.__ass = asr.Assembly(self.__ass_name)
self.__ass.lights().insert(self.__as_lamp)
self.__as_lamp = self.__ass.lights().get_by_name(
self.orig_name)
as_main_assembly.assemblies().insert(self.__ass)
self.__ass = as_main_assembly.assemblies().get_by_name(
self.__ass_name)
self.flush_instances(as_main_assembly)
else:
self.__as_lamp.set_transform(
self.__instance_lib.get_single_transform())
as_main_assembly.lights().insert(self.__as_lamp)
self.__as_lamp = as_main_assembly.lights().get_by_name(
self.obj_name)
else:
mat_name = f"{self.orig_name}_mat"
mesh_name = f"{self.orig_name}_mesh"
self.__as_area_lamp_inst_name = f"{self.orig_name}_inst"
as_main_assembly.materials().insert(self.__as_area_lamp_material)
self.__as_area_lamp_material = as_main_assembly.materials(
).get_by_name(mat_name)
if self.__as_area_lamp_shadergroup is not None:
shadergroup_name = self.__as_area_lamp_shadergroup.get_name()
as_main_assembly.shader_groups().insert(
self.__as_area_lamp_shadergroup)
self.__as_area_lamp_shadergroup = as_main_assembly.shader_groups(
).get_by_name(shadergroup_name)
else:
self.__node_tree.flush_entities(as_scene, as_main_assembly,
as_project)
if needs_assembly:
self.__as_area_lamp_inst = asr.ObjectInstance(
self.__as_area_lamp_inst_name, self.__instance_params,
mesh_name, asr.Transformd(asr.Matrix4d().identity()),
{"default": mat_name}, {"default": "__null_material"})
self.__ass_name = f"{self.orig_name}_ass"
self.__ass = asr.Assembly(self.__ass_name)
self.__ass.objects().insert(self.__as_area_lamp_mesh)
self.__as_area_lamp_mesh = self.__ass.objects().get_by_name(
mesh_name)
self.__ass.object_instances().insert(self.__as_area_lamp_inst)
self.__as_area_lamp_inst = self.__ass.object_instances(
).get_by_name(self.__as_area_lamp_inst_name)
as_main_assembly.assemblies().insert(self.__ass)
self.__ass = as_main_assembly.assemblies().get_by_name(
self.__ass_name)
self.flush_instances(as_main_assembly)
else:
self.__as_area_lamp_inst = asr.ObjectInstance(
self.__as_area_lamp_inst_name, self.__instance_params,
mesh_name, self.__instance_lib.get_single_transform(),
{"default": mat_name}, {"default": "__null_material"})
as_main_assembly.objects().insert(self.__as_area_lamp_mesh)
self.__as_area_lamp_mesh = as_main_assembly.objects(
).get_by_name(mesh_name)
as_main_assembly.object_instances().insert(
self.__as_area_lamp_inst)
self.__as_mesh_inst = as_main_assembly.object_instances(
).get_by_name(self.__as_area_lamp_inst_name)
def _convert_matrix(self, m):
matrix = asr.Matrix4d(super()._convert_matrix(m))
return asr.Transformd(matrix)
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("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))
#------------------------------------------------------------------------
# COLOR
#------------------------------------------------------------------------
assembly.colors().insert(asr.ColorEntity("light_color",
{
"color_space": "linear_rgb",
"multiplier": 1.0,
"wavelength_range": "400.0 700.0"
},
[1.000000, 0.830634, 0.378440]))
#------------------------------------------------------------------------
# EDF
#------------------------------------------------------------------------
# Create light edfs.
assembly.edfs().insert(asr.EDF(
"diffuse_edf",
"light_material_edf",
{
"cast_indirect_light": "true",
"importance_multiplier": "1.0",
"light_near_start": "0.0",
"radiance": "light_color",
"radiance_multiplier": "9"
}))
#------------------------------------------------------------------------
# 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"
}
}))
# Create light material.
assembly.materials().insert(asr.Material(
"generic_material",
"light_material",
{
"bump_amplitude": "1.0",
"displacement_method": "bump",
"edf": "light_material_edf",
"normal_map_up": "z",
"shade_alpha_cutouts": "false"
}))
#------------------------------------------------------------------------
# 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": {}},
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
lights = asr.MeshObjectReader.read(project.get_search_paths(), "rectangle", {"filename": "rectangle.obj"})
for light in lights:
if Color == "white":
step = float(PlaneSize) / GridLightsCount
light_count = 0
grid_range = np.linspace((-PlaneSize + step) / 2, (PlaneSize - step) / 2, GridLightsCount)
for j in grid_range:
for i in grid_range:
# Create an instance of this light and insert it into the assembly.
instance_name = light.get_name() + "_inst_" + str(light_count)
light_count = light_count + 1
material_front = {"material_slot_0": "01 - Default_mat"}
material_back = {"material_slot_0": "light_material"}
light_position = asr.Vector3d(i, j, light_z_distance)
mat = orientation * asr.Matrix4d.make_translation(light_position)
instance = asr.ObjectInstance(
instance_name,
{"visibility":
{
"camera": "false",
"diffuse": "true",
"glossy": "true",
"light": "true",
"probe": "true",
"shadow": "true",
"specular": "true",
"subsurface": "true",
"transparency": "true"
}},
light.get_name(),
asr.Transformd(mat),
material_front,
material_back)
assembly.object_instances().insert(instance)
else:
print("Unknown Color: {0}".format(Color))
return
# Insert this light into the scene.
assembly.objects().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.
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
