Request

Response

    Autodesk.Viewing.Extensions

    ModelBuilder

    Class that implements the API for building models dynamically. An instance of this class can be obtained after the Promise returned by Autodesk.Viewing.Extensions.SceneBuilder#addNewModel is resolved.

    new ModelBuilder(model, options)

    The constructor is invoked automatically by Autodesk.Viewing.Extensions.SceneBuilder.

    Parameters

    Expand all
    model*The model this build works on
    options
    object
    Options for the ModelBuilder
    conserveMemory
    boolean
    Set to true to turn on memory conservation mode. In this mode [addMesh()]`Autodesk.Viewing.Extensions.ModelBuilder#addMesh </en/docs/viewer/v7/reference/Extensions/ModelBuilder/#addMesh/>`_ is not available because a single mesh is shared among all of the fragments in the model.
    * Required

    Methods

    isConservingMemory()

    Returns

    typedescription
    boolean true when the model being manipulated is using the memory-optimized code path.

    addGeometry(geometry, numFragments)

    Add geometry to the model.

    Parameters

    geometry*
    THREE.BufferGeometry
    The geometry to add. This can be null or undefined to allocate a geometry id without geometry.
    numFragments
    number
    The number of fragments you expect this geometry to be used in. Default is 1. This is used to prioritize placing geometry on the GPU. Geometry used by more fragments gets a higher priority.
    * Required

    Returns

    typedescription
    number The id of the added geometry, or 0 if there was an error.

    changeGeometry(existingGeom, geometry, numFragments)

    Change geometry in a model.

    Parameters

    existingGeom*
    number, THREE.BufferGeometry
    The geometry or the id of the geometry to change
    geometry*
    THREE.BufferGeometry
    Geometry that replaces the existing geometry
    numFragments
    number
    The number of fragments using this geometry. If not given, then we will count the number in the model. This is used to prioritize placing geometry on the GPU. Geometry used by more fragments gets a higher priority.
    * Required

    Returns

    typedescription
    boolean True if the existing geometry is valid and the geometry was changed.

    findGeometryFragments(geometry)

    Find fragments using a specific geometry.

    Parameters

    geometry*
    number, THREE.BufferGeometry, Array.<(number|THREE.BufferGeometry)>
    The geometry or id(s) of the geometry to use in the search
    * Required

    Returns

    typedescription
    Array.<number> An array with the fragment ids for all fragments that were using the geometry. Null is returned if any geometry is invalid.

    removeGeometry(geometry)

    Remove geometry from the model.

    Parameters

    geometry*
    number, THREE.BufferGeometry, Array.<(number|THREE.BufferGeometry)>
    The geometry or id(s) of the geometry to remomve
    * Required

    Returns

    typedescription
    boolean True if all of the ids are valid and the geometry is removed.

    addMaterial(name, material)

    Add a material that can be used by a mesh in the model.

    Parameters

    name*
    string
    The name used for the material. This name must not be used for an existing material in the model.
    material*
    THREE.Material
    The material to add. This material must not be used in the model.
    * Required

    Returns

    typedescription
    boolean True if the material was added.

    changeMaterial(existingMaterial, material)

    Replaces an existing material with another one.

    Parameters

    existingMaterial*
    string, THREE.Material
    The material or name of the material to change. The material must be in the model.
    material*
    THREE.Material
    The material to replace the existing material. This material must not be used in the model.
    * Required

    Returns

    typedescription
    boolean True if the material is valid and the material was changed.

    findMaterial(name)

    Find a material

    Parameters

    name*
    string
    The name of the material
    * Required

    findMaterialFragments(materials)

    Return the fragments that are using materials.

    Parameters

    materials*
    string, THREE.Material, Array.<(string|THREE.Material)>
    The materials or names of the materials to use in the search.
    * Required

    Returns

    typedescription
    Array.<number> An array with the fragment ids for all fragments that were using the materials. Null is returned if any material name is invalid or all of the materials were not removed.

    removeMaterial(materials)

    Remove a material from the model. The caller should dispose the material if needed.

    Parameters

    materials*
    string, THREE.Material, Array.<(string|THREE.Material)>
    The materials or names of the materials to remove. All of the names must be used for materials in the model.
    * Required

    Returns

    typedescription
    boolean True if all of the names are valid and all of the materials are removed.

    addMesh(mesh)

    Add a fragment to the model using a mesh. Meshes can only be added to the model when Autodesk.Viewing.Extensions.ModelBuilder#isConservingMemory is false. Note the following restrictions:

    • A mesh cannot be used multiple times.
    • The geometry for a mesh cannot be used in different models.
    • The material for a mesh cannot be used in different models.

    Parameters

    Expand all
    mesh*
    THREE.Mesh
    The mesh to be added.
    isLine
    boolean
    Optional bool to mark line geometry
    isWideLine
    boolean
    Optional bool to mark wide line geometry
    isPoint
    boolean
    Optional bool to mark point geometry
    fragId
    number
    The fragment id for the mesh. This must not be defined when addMesh() is called and the Viewer sets this property to the new fragment id.
    modeId
    number
    The id of the model. This must not be defined when addMesh() is called and the Viewer will set this to the id of the model for this ModelBuilder.
    dbId
    number
    An optional object id for the mesh. Meshes with the same object id are selected as a unit. Internal tables are maintained to link fragments and dbIds. If a mesh is in the scene you shouldn’t change this value direcly. Call Autodesk.Viewing.Extensions.ModelBuilder#changeFragmentsDbId to change it to insure the tables are updated.
    * Required

    Returns

    typedescription
    boolean True if the mesh was added.

    removeMesh(meshes)

    Remove a mesh from the model. Meshes can only be removed from the model when Autodesk.Viewing.Extensions.ModelBuilder#isConservingMemory is false.

    Parameters

    meshes*
    THREE.Mesh, Array.<THREE.Mesh>
    The meshes to be removed.
    * Required

    Returns

    typedescription
    boolean True if the mesh was removed.

    updateMesh(meshes, skipGeom, skipTransform)

    Use this method to inform the Viewer when you directly update a mesh you added to the model. If you change a mesh directly without calling this method, it may not display properly. You don’t need to call this if you use the ModelBuilder API to update a mesh.

    Parameters

    meshes*
    THREE.Mesh, Array.<THREE.Mesh>
    The meshes that were changed.
    skipGeom
    boolean
    Set to true if the geometry in the meshes wasn’t updated
    skipTransform
    boolean
    Set to true if the tranforms in the meshes weren’t update
    * Required

    Returns

    typedescription
    boolean True if the viewer was updated

    sceneUpdated(objectsMoved, skipRepaint)

    Signal viewer that scene was modified.

    Parameters

    objectsMoved
    boolean
    True if transforms or geometry was changed
    skipRepaint
    boolean
    True to skip repainting because of this change

    addFragment(geometry, material, transform, bbox)

    Add a fragment to a model. A fragment is the combination of a geometry, a material, and a transform.

    Parameters

    geometry*
    number, THREE.BufferGeometry
    The geometry or the id of the geometry for the fragment. Use a falsey value if the geometry for the fragment isn’t ready. If the geometry hasn’t been added to the model, this method will add it. Geometry must not be used in a different model.
    material*
    string, THREE.material
    The material or the name of the material instance for the fragment. A material name must be used by a material in the model, but a material will be added to the model if it hasn’t already.
    transform
    THREE.Matrix, Array.<number>
    The transform for the fragment. Default is the identity transform. If an array is used it is a 4x3 matrix in column major order.
    bbox
    THREE.Box3, Array.<number>
    Bounding box for the fragment. Default is calculated from the geometry bounding box and the transform. When Autodesk.Viewing.Extensions.ModelBuilder#isConservingMemory is true then this argument is ignored and the default is used. If an array is used it contains the minimum x, y, z followed by the maximum x, y, z.
    * Required

    Returns

    typedescription
    number The fragment id added or 0 if there was an error.

    changeFragmentGeometry(fragment, geometry, transform, bbox)

    Change the geometry and transform for a fragment.

    Parameters

    fragment*
    number, THREE.Mesh
    The mesh or fragment id whose geometry is to be set.
    geometry*
    number, THREE.BufferGeometry
    The geometry or the id of the geometry for the fragment. Use a falsey value if the geometry for the fragment isn’t ready. If the geometry hasn’t been added to the model, this method will add it. Geometry must not be used in a different model.
    transform
    THREE.Matrix, Array.<number>
    The transform for the fragment. If not present the transform isn’t changed. If an array is used it is a 4x3 matrix in column major order.
    bbox
    THREE.Box3, Array.<number>
    Bounding box for the fragment. Default is calculated from the geometry bounding box and the transform. When Autodesk.Viewing.Extensions.ModelBuilder#isConservingMemory is true then this argument is ignored and the default is used. If an array is used it contains the minimum x, y, z followed by the maximum x, y, z.
    * Required

    Returns

    typedescription
    boolean True if the geometry id is valid and the fragment is changed.

    changeFragmentMaterial(fragment, material)

    Change the material for a fragment.

    Parameters

    fragment*
    number, THREE.Mesh
    The mesh or fragment id whose material is to be set.
    material*
    string, THREE.material
    The material or the name of the material for the fragment. A material name must be used by a material in the model, but a material will be added to the model if it hasn’t been.
    * Required

    Returns

    typedescription
    boolean True if the material id is valid and the fragment is changed.

    changeFragmentTransform(fragment, transform, bbox)

    Change the transform for a fragment.

    Parameters

    fragment*
    number, THREE.Mesh
    The mesh or fragment id whose material is to be set.
    transform*
    THREE.Matrix, Array.<number>
    The transform for the fragment. If an array is used it is a 4x3 matrix in column major order.
    bbox
    THREE.Box3, Array.<number>
    [bbox] Bounding box for the fragment. Default is calculated from the geometry bounding box and the transform. When Autodesk.Viewing.Extensions.ModelBuilder#isConservingMemory is true then this argument is ignored and the default is used. If an array is used it contains the minimum x, y, z followed by the maximum x, y, z.
    * Required

    Returns

    typedescription
    boolean True if the fragId is valid and the transform was changed.

    changeFragmentsDbId(fragments, dbId)

    Change the dbId of one or more fragments

    Parameters

    fragments*
    number, THREE.Mesh, Array.<(number|THREE.Mesh)>
    The meshes or ids of the fragments to be changed
    dbId*
    number
    The new dbId of the fragments. A 0 dbId will prevent an object from being selected. All fragments with the same dbId are selected as a single object. Changing the dbids on fragments will not change the display of objects that are already selected.
    * Required

    Returns

    typedescription
    boolean True if all of the fragment ids were valid and all of the fragments were changed.

    removeFragment(fragments)

    Remove fragments from the model

    Parameters

    fragments*
    number, THREE.Mesh, Array.<(number|THREE.Mesh)>
    The meshes or ids of the fragments to be removed
    * Required

    Returns

    typedescription
    boolean True if all of the fragment ids were valid and all of the fragments were removed.

    packNormals(geometry)

    Pack normals for geometry. Utility method automatically used when Autodesk.Viewing.Extensions.ModelBuilder#isConservingMemory is true.

    Parameters

    geometry*
    THREE.BufferGeometry
    * Required

    Returns

    typedescription
    THREE.BufferGeometry The geometry argument is returned
     
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    We use Call Tracking to provide customized phone numbers for our campaigns. This gives you faster access to our agents and helps us more accurately evaluate our performance. We may collect data about your behavior on our sites based on the phone number provided. Call Tracking Privacy Policy
    Wunderkind
    We use Wunderkind to deploy digital advertising on sites supported by Wunderkind. Ads are based on both Wunderkind data and behavioral data that we collect while you’re on our sites. The data we collect may include pages you’ve visited, trials you’ve initiated, videos you’ve played, purchases you’ve made, and your IP address or device ID. This information may be combined with data that Wunderkind has collected from you. We use the data that we provide to Wunderkind to better customize your digital advertising experience and present you with more relevant ads. Wunderkind Privacy Policy
    ADC Media
    We use ADC Media to deploy digital advertising on sites supported by ADC Media. Ads are based on both ADC Media data and behavioral data that we collect while you’re on our sites. The data we collect may include pages you’ve visited, trials you’ve initiated, videos you’ve played, purchases you’ve made, and your IP address or device ID. This information may be combined with data that ADC Media has collected from you. We use the data that we provide to ADC Media to better customize your digital advertising experience and present you with more relevant ads. ADC Media Privacy Policy
    AgrantSEM
    We use AgrantSEM to deploy digital advertising on sites supported by AgrantSEM. Ads are based on both AgrantSEM data and behavioral data that we collect while you’re on our sites. The data we collect may include pages you’ve visited, trials you’ve initiated, videos you’ve played, purchases you’ve made, and your IP address or device ID. This information may be combined with data that AgrantSEM has collected from you. We use the data that we provide to AgrantSEM to better customize your digital advertising experience and present you with more relevant ads. AgrantSEM Privacy Policy
    Bidtellect
    We use Bidtellect to deploy digital advertising on sites supported by Bidtellect. Ads are based on both Bidtellect data and behavioral data that we collect while you’re on our sites. The data we collect may include pages you’ve visited, trials you’ve initiated, videos you’ve played, purchases you’ve made, and your IP address or device ID. This information may be combined with data that Bidtellect has collected from you. We use the data that we provide to Bidtellect to better customize your digital advertising experience and present you with more relevant ads. Bidtellect Privacy Policy
    Bing
    We use Bing to deploy digital advertising on sites supported by Bing. Ads are based on both Bing data and behavioral data that we collect while you’re on our sites. The data we collect may include pages you’ve visited, trials you’ve initiated, videos you’ve played, purchases you’ve made, and your IP address or device ID. This information may be combined with data that Bing has collected from you. We use the data that we provide to Bing to better customize your digital advertising experience and present you with more relevant ads. Bing Privacy Policy
    G2Crowd
    We use G2Crowd to deploy digital advertising on sites supported by G2Crowd. Ads are based on both G2Crowd data and behavioral data that we collect while you’re on our sites. The data we collect may include pages you’ve visited, trials you’ve initiated, videos you’ve played, purchases you’ve made, and your IP address or device ID. This information may be combined with data that G2Crowd has collected from you. We use the data that we provide to G2Crowd to better customize your digital advertising experience and present you with more relevant ads. G2Crowd Privacy Policy
    NMPI Display
    We use NMPI Display to deploy digital advertising on sites supported by NMPI Display. Ads are based on both NMPI Display data and behavioral data that we collect while you’re on our sites. The data we collect may include pages you’ve visited, trials you’ve initiated, videos you’ve played, purchases you’ve made, and your IP address or device ID. This information may be combined with data that NMPI Display has collected from you. We use the data that we provide to NMPI Display to better customize your digital advertising experience and present you with more relevant ads. NMPI Display Privacy Policy
    VK
    We use VK to deploy digital advertising on sites supported by VK. Ads are based on both VK data and behavioral data that we collect while you’re on our sites. The data we collect may include pages you’ve visited, trials you’ve initiated, videos you’ve played, purchases you’ve made, and your IP address or device ID. This information may be combined with data that VK has collected from you. We use the data that we provide to VK to better customize your digital advertising experience and present you with more relevant ads. VK Privacy Policy
    Adobe Target
    We use Adobe Target to test new features on our sites and customize your experience of these features. To do this, we collect behavioral data while you’re on our sites. This data may include pages you’ve visited, trials you’ve initiated, videos you’ve played, purchases you’ve made, your IP address or device ID, your Autodesk ID, and others. You may experience a different version of our sites based on feature testing, or view personalized content based on your visitor attributes. Adobe Target Privacy Policy
    Google Analytics (Advertising)
    We use Google Analytics (Advertising) to deploy digital advertising on sites supported by Google Analytics (Advertising). Ads are based on both Google Analytics (Advertising) data and behavioral data that we collect while you’re on our sites. The data we collect may include pages you’ve visited, trials you’ve initiated, videos you’ve played, purchases you’ve made, and your IP address or device ID. This information may be combined with data that Google Analytics (Advertising) has collected from you. We use the data that we provide to Google Analytics (Advertising) to better customize your digital advertising experience and present you with more relevant ads. Google Analytics (Advertising) Privacy Policy
    Trendkite
    We use Trendkite to deploy digital advertising on sites supported by Trendkite. Ads are based on both Trendkite data and behavioral data that we collect while you’re on our sites. The data we collect may include pages you’ve visited, trials you’ve initiated, videos you’ve played, purchases you’ve made, and your IP address or device ID. This information may be combined with data that Trendkite has collected from you. We use the data that we provide to Trendkite to better customize your digital advertising experience and present you with more relevant ads. Trendkite Privacy Policy
    Hotjar
    We use Hotjar to deploy digital advertising on sites supported by Hotjar. Ads are based on both Hotjar data and behavioral data that we collect while you’re on our sites. The data we collect may include pages you’ve visited, trials you’ve initiated, videos you’ve played, purchases you’ve made, and your IP address or device ID. This information may be combined with data that Hotjar has collected from you. We use the data that we provide to Hotjar to better customize your digital advertising experience and present you with more relevant ads. Hotjar Privacy Policy
    6 Sense
    We use 6 Sense to deploy digital advertising on sites supported by 6 Sense. Ads are based on both 6 Sense data and behavioral data that we collect while you’re on our sites. The data we collect may include pages you’ve visited, trials you’ve initiated, videos you’ve played, purchases you’ve made, and your IP address or device ID. This information may be combined with data that 6 Sense has collected from you. We use the data that we provide to 6 Sense to better customize your digital advertising experience and present you with more relevant ads. 6 Sense Privacy Policy
    Terminus
    We use Terminus to deploy digital advertising on sites supported by Terminus. Ads are based on both Terminus data and behavioral data that we collect while you’re on our sites. The data we collect may include pages you’ve visited, trials you’ve initiated, videos you’ve played, purchases you’ve made, and your IP address or device ID. This information may be combined with data that Terminus has collected from you. We use the data that we provide to Terminus to better customize your digital advertising experience and present you with more relevant ads. Terminus Privacy Policy
    StackAdapt
    We use StackAdapt to deploy digital advertising on sites supported by StackAdapt. Ads are based on both StackAdapt data and behavioral data that we collect while you’re on our sites. The data we collect may include pages you’ve visited, trials you’ve initiated, videos you’ve played, purchases you’ve made, and your IP address or device ID. This information may be combined with data that StackAdapt has collected from you. We use the data that we provide to StackAdapt to better customize your digital advertising experience and present you with more relevant ads. StackAdapt Privacy Policy
    The Trade Desk
    We use The Trade Desk to deploy digital advertising on sites supported by The Trade Desk. Ads are based on both The Trade Desk data and behavioral data that we collect while you’re on our sites. The data we collect may include pages you’ve visited, trials you’ve initiated, videos you’ve played, purchases you’ve made, and your IP address or device ID. This information may be combined with data that The Trade Desk has collected from you. We use the data that we provide to The Trade Desk to better customize your digital advertising experience and present you with more relevant ads. The Trade Desk Privacy Policy
    RollWorks
    We use RollWorks to deploy digital advertising on sites supported by RollWorks. Ads are based on both RollWorks data and behavioral data that we collect while you’re on our sites. The data we collect may include pages you’ve visited, trials you’ve initiated, videos you’ve played, purchases you’ve made, and your IP address or device ID. This information may be combined with data that RollWorks has collected from you. We use the data that we provide to RollWorks to better customize your digital advertising experience and present you with more relevant ads. RollWorks Privacy Policy

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    Your experience. Your choice.

    We care about your privacy. The data we collect helps us understand how you use our products, what information you might be interested in, and what we can improve to make your engagement with Autodesk more rewarding.

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    Explore the benefits of a customized experience by managing your privacy settings for this site or visit our Privacy Statement to learn more about your options.