Especificar las opciones de guardado de archivos 3D

3D Opciones para guardar archivos

Existen varias sobrecargas de métodos Scene.save que aceptan un objeto SaveOptions. Este debe ser un objeto de una clase derivada de la clase SaveOptions. Cada formato de guardado tiene una clase correspondiente que contiene opciones de guardado para ese formato de guardado, por ejemplo, hay ColladaSaveOptions para el formato de guardado FileFormat.Collada.

Uso de las opciones de guardado Collada

El siguiente código muestra cómo establecer las opciones de guardado antes de guardar un archivo 3D en formato Collada.

from aspose.threed.formats import ColladaSaveOptions, ColladaTransformStyle

#  For complete examples and data files, please go to https:# github.com/aspose-3d/Aspose.3D-for-.NET
dataDir = "data-dir"
saveColladaopts = ColladaSaveOptions()
#  Generates indented XML document
saveColladaopts.indented = True
#  The style of node transformation
saveColladaopts.transform_style = ColladaTransformStyle.MATRIX
#  Configure the lookup paths to allow importer to find external dependencies.
saveColladaopts.lookup_paths = [[dataDir]]

Uso de las opciones de guardado Discreet3DS

El siguiente código muestra cómo configurar las opciones de guardado antes de guardar un archivo 3D en formato Discreet 3DS.

from aspose.threed.formats import Discreet3dsSaveOptions

#  For complete examples and data files, please go to https:# github.com/aspose-3d/Aspose.3D-for-.NET
#  The path to the documents directory.
dataDir = "data-dir"
#  Initialize an object
saveOpts = Discreet3dsSaveOptions()
#  The start base for generating new name for duplicated names.
saveOpts.duplicated_name_counter_base = 2
#  The format of the duplicated counter.
saveOpts.duplicated_name_counter_format = "NameFormat"
#  The separator between object's name and the duplicated counter.
saveOpts.duplicated_name_separator = "Separator"
#  Allows to export cameras
saveOpts.export_camera = True
#  Allows to export light
saveOpts.export_light = True
#  Flip the coordinate system
saveOpts.flip_coordinate_system = True
#  Prefer to use gamma-corrected color if a 3ds file provides both original color and gamma-corrected color.
saveOpts.gamma_corrected_color = True
#  Use high-precise color which each color channel will use 32bit float.
saveOpts.high_precise_color = True
#  Configure the look up paths to allow importer to find external dependencies.
saveOpts.lookup_paths = [[dataDir]]
#  Set the master scale
saveOpts.master_scale = 1.0

Uso de las opciones de guardado FBX

El siguiente código muestra cómo configurar las opciones de guardado antes de guardar un archivo 3D en un formato FBX.

from aspose.threed import FileFormat
from aspose.threed.formats import FbxSaveOptions

#  For complete examples and data files, please go to https:# github.com/aspose-3d/Aspose.3D-for-.NET
#  The path to the documents directory.
dataDir = "data-dir"
#  Initialize an object
saveOpts = FbxSaveOptions(FileFormat.FBX7500ASCII)
#  Generates the legacy material properties.
saveOpts.export_legacy_material_properties = True
#  Fold repeated curve data using FBX's animation reference count
saveOpts.fold_repeated_curve_data = True
#  Always generates material mapping information for geometries if the attached node contains materials.
saveOpts.generate_vertex_element_material = True
#  Configure the look up paths to allow importer to find external dependencies.
saveOpts.lookup_paths = [[dataDir]]
#  Generates a video object for texture.
saveOpts.video_for_texture = True

FBXSaveOptions también expone la propiedad enable_compression que se puede usar para comprimir datos binarios grandes en el archivo FBX. El valor predeterminado de esta propiedad es true. A continuación, el fragmento de código explica cómo puede trabajar con esta propiedad mientras guarda una escena.

from aspose.threed import FileFormat, Scene
from aspose.threed.formats import FbxSaveOptions

#  For complete examples and data files, please go to https:# github.com/aspose-3d/Aspose.3D-for-.NET
#  Load a 3D document into Aspose.3D
scene = Scene("data-dir"  + "document.fbx")
options = FbxSaveOptions(FileFormat.FBX7500ASCII)
options.enable_compression = false 
scene.save("out"  + "UncompressedDocument.fbx", options)

Uso de las opciones de Obj Save

El siguiente código muestra cómo configurar las opciones de guardado antes de guardar un archivo 3D en un formato Obj.

from aspose.threed.formats import ObjSaveOptions

#  For complete examples and data files, please go to https:# github.com/aspose-3d/Aspose.3D-for-.NET
#  The path to the documents directory.
dataDir = "data-dir"
#  Initialize an object
saveObjOpts = ObjSaveOptions()
#  Import materials from external material library file
saveObjOpts.enable_materials = True
#  Flip the coordinate system.
saveObjOpts.flip_coordinate_system = True
#  Configure the look up paths to allow importer to find external dependencies.
saveObjOpts.lookup_paths = [[dataDir]]
#  Serialize W component in model's vertex position
saveObjOpts.serialize_w = True
#  Generate comments for each section
saveObjOpts.verbose = True

Uso de las opciones de guardado STL

El siguiente código muestra cómo establecer las opciones de guardado antes de guardar un archivo 3D en formato STL.

from aspose.threed.formats import StlSaveOptions

#  For complete examples and data files, please go to https:# github.com/aspose-3d/Aspose.3D-for-.NET
#  The path to the documents directory.
dataDir = "data-dir"
#  Initialize an object
saveSTLOpts = StlSaveOptions()
#  Flip the coordinate system.
saveSTLOpts.flip_coordinate_system = True
#  Configure the look up paths to allow importer to find external dependencies.
saveSTLOpts.lookup_paths = [[dataDir]]

Uso de las opciones de guardado U3D

El siguiente código muestra cómo configurar las opciones de guardado antes de guardar un documento en formato U3D.

from aspose.threed.formats import U3dSaveOptions

#  For complete examples and data files, please go to https:# github.com/aspose-3d/Aspose.3D-for-.NET
#  The path to the documents directory.
dataDir = "data-dir"
#  Initialize an object
saveU3DOptions = U3dSaveOptions()
#  Export normal data.
saveU3DOptions.export_normals = True
#  Export the texture coordinates.
saveU3DOptions.export_texture_coordinates = True
#  Export the vertex diffuse color.
saveU3DOptions.export_vertex_diffuse = True
#  Export vertex specular color
saveU3DOptions.export_vertex_specular = True
#  Flip the coordinate system.
saveU3DOptions.flip_coordinate_system = True
#  Configure the look up paths to allow importer to find external dependencies.
saveU3DOptions.lookup_paths = [[dataDir]]
#  Compress the mesh data
saveU3DOptions.mesh_compression = True

Uso de las opciones de guardado glTF

El siguiente código muestra cómo configurar las opciones de guardado antes de guardar un documento en formato glTF.

from aspose.threed import FileContentType, FileFormat, Scene
from aspose.threed.entities import Sphere
from aspose.threed.formats import GltfSaveOptions

#  For complete examples and data files, please go to https:# github.com/aspose-3d/Aspose.3D-for-.NET
#  Initialize Scene object
scene = Scene()
#  Create a child node
scene.root_node.create_child_node("sphere", Sphere())
#  Set glTF saving options. The code example embeds all assets into the target file usually a glTF file comes with some dependencies, a bin file for model's vertex/indices, two .glsl files for vertex/fragment shaders
#  Use opt.EmbedAssets to tells the Aspose.3D API to export scene and embed the dependencies inside the target file.
opt = GltfSaveOptions(FileContentType.ASCII)
opt.embed_assets = True
#  Use KHR_materials_common extension to define the material, thus no GLSL files are generated.
opt.use_common_materials = True
#  Customize the name of the buffer file which defines model
opt.buffer_file = "mybuf.bin"
#  Save GlTF file
scene.save("out"  + "glTFSaveOptions_out.gltf", opt)
#  Save a binary glTF file using KHR_binary_glTF extension
scene.save("out"  + "glTFSaveOptions_out.glb", FileFormat.GLTF_BINARY)
#  Developers may use saving options to create a binary glTF file using KHR_binary_glTF extension
opts = GltfSaveOptions(FileContentType.BINARY)
scene.save("out"  + "Test_out.glb", opts)

PrettyPrint en glTF Guardar opciones

También puede utilizar la propiedad PrettyPrint de la clase GLTFSaveOptions para la impresión JSON comprensible para el ser humano. El siguiente código muestra cómo usar esta funcionalidad.

from aspose.threed import FileFormat, Scene
from aspose.threed.entities import Sphere
from aspose.threed.formats import GltfSaveOptions

#  For complete examples and data files, please go to https:# github.com/aspose-3d/Aspose.3D-for-.NET
#  Initialize 3D scene
scene = Scene(Sphere())
#  Initialize GltfSaveOptions
opt = GltfSaveOptions(FileFormat.GLTF2)
#  The JSON content of GLTF file is indented for human reading, default value is false
opt.pretty_print = True
#  Save 3D Scene
scene.save("data-dir"  + "prettyPrintInGltfSaveOption.gltf", opt)

Guardar dependencias de una escena 3D en el sistema de archivos real

Los desarrolladores pueden requerir guardar todas las dependencias de escena 3D en el sistema de archivos real. Pueden definir la ruta de un directorio local, guardar en el objeto MemoryFileSystem o simplemente descartar dependencias. La propiedad FileSystem se agrega en las clases de opción all save.

Descarte guardar los archivos de material

from aspose.threed import Scene
from aspose.threed.entities import Sphere
from aspose.threed.formats import ObjSaveOptions
from aspose.threed.shading import PhongMaterial
from aspose.threed.utilities import DummyFileSystem

#  For complete examples and data files, please go to https:# github.com/aspose-3d/Aspose.3D-for-.NET
#  The code example uses the DummyFileSystem, so the material files are not created.
#  Initialize Scene object
scene = Scene()
#  Create a child node
scene.root_node.create_child_node("sphere", Sphere()).material = PhongMaterial()
#  Set saving options
opt = ObjSaveOptions()
opt.file_system = DummyFileSystem()
#  Save 3D scene
scene.save("out"  + "DiscardSavingMaterial_out.obj", opt)

Guardar dependencias en el directorio local

from aspose.threed import Scene
from aspose.threed.entities import Sphere
from aspose.threed.formats import ObjSaveOptions
from aspose.threed.shading import PhongMaterial
from aspose.threed.utilities import LocalFileSystem

#  For complete examples and data files, please go to https:# github.com/aspose-3d/Aspose.3D-for-.NET
#  The code example uses the LocalFileSystem class to save dependencies to the local directory.
dataDir = "data-dir"
#  Initialize Scene object
scene = Scene()
#  Create a child node
scene.root_node.create_child_node("sphere", Sphere()).material = PhongMaterial()
#  Set saving options
opt = ObjSaveOptions()
opt.file_system = LocalFileSystem(dataDir)
#  Save 3D scene
scene.save("out"  + "SavingDependenciesInLocalDirectory_out.obj", opt)

Guardar dependencias en el objeto MemoryFileSystem

from aspose.threed import Scene
from aspose.threed.entities import Sphere
from aspose.threed.formats import ObjSaveOptions
from aspose.threed.shading import PhongMaterial
from aspose.threed.utilities import MemoryFileSystem

#  For complete examples and data files, please go to https:# github.com/aspose-3d/Aspose.3D-for-.NET
#  The code example uses the MemoryFileSystem to intercepts the dependencies writing.
#  Initialize Scene object
scene = Scene()
#  Create a child node
scene.root_node.create_child_node("sphere", Sphere()).material = PhongMaterial()
#  Set saving options
opt = ObjSaveOptions()
mfs = MemoryFileSystem()
opt.file_system = mfs
#  Save 3D scene
scene.save("out"  + "SavingDependenciesInMemoryFileSystem_out.obj", opt)
#  Get the test.mtl file content
mtl = mfs.get_file_content("SavingDependenciesInMemoryFileSystem_out.mtl")
with open("out"  + "Material.mtl", "wb") as f:
    f.write(mtl)

Uso de las opciones de guardado Google Draco (.drc)

El siguiente código muestra cómo configurar las opciones de guardado antes de guardar un modelo 3D en formato DRC.

from aspose.threed import Scene
from aspose.threed.entities import Sphere
from aspose.threed.formats import DracoCompressionLevel, DracoSaveOptions

#  For complete examples and data files, please go to https:# github.com/aspose-3d/Aspose.3D-for-.NET
#  Initialize Scene object
scene = Scene()
#  Create a child node
scene.root_node.create_child_node("sphere", Sphere())
#  Initialize .DRC saving options.
opts = DracoSaveOptions()
#  Quantization bits for position
opts.position_bits = 14
#  Quantization bits for texture coordinate
opts.texture_coordinate_bits = 8
#  Quantization bits for vertex color
opts.color_bits = 10
#  Quantization bits for normal vectors
opts.normal_bits = 7
#  Set compression level
opts.compression_level = DracoCompressionLevel.OPTIMAL
#  Save Google Draco (.drc) file
scene.save("out"  + "DRCSaveOptions_out.drc", opts)

Uso de las opciones de guardado RVM

El siguiente código muestra cómo configurar las opciones de guardado antes de guardar un modelo 3D en formato RVM.

from aspose.threed import Scene
from aspose.threed.entities import Box
from aspose.threed.formats import RvmSaveOptions

#  For complete examples and data files, please go to https:# github.com/aspose-3d/Aspose.3D-for-.NET
dataDir = "data-dir"
scene = Scene()
node = scene.root_node.create_child_node("Box", Box())
node.set_property("rvm:Refno", "=3462123")
node.set_property("rvm:Description", "This is the description of the box")
options = RvmSaveOptions()
options.attribute_prefix = "rvm:"
options.export_attributes = true 
# The RVM attribute's prefix is rvm:, all properties that starts with rvm: will be exported to .att file(the prefix will be removed)
opt = options
scene.save(dataDir + "test.rvm", opt)
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