# SpeedTreeImporter > AssetImporter for importing SpeedTree model assets. ## Definition * **Type:** Class * **Namespace:** [UnityEditor](/engine/6000.0/script-reference/unityeditor.md) * **Assembly:** UnityEditor * **Inherits from:** [AssetImporter](/engine/6000.0/script-reference/unityeditor/assetimporter.md) ```csharp public class SpeedTreeImporter : AssetImporter ``` ## Static Fields | Value | Description | | ----------------------------------------------------------------------------------------------------- | ----------------------------------------------------- | | [windQualityNames](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/windqualitynames.md) | Gets an array of name strings for wind quality value. | ## Constructors | Constructor | Description | | -------------------------------------------------------------------------------------------- | ----------------------------------------- | | [SpeedTreeImporter()](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/ctor.md) | Construct a new SpeedTreeImporter object. | ## Properties | Property | Description | | --------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | [alphaTestRef](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/alphatestref.md) | Gets and sets a default alpha test reference values. | | [animateCrossFading](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/animatecrossfading.md) | Indicates if the cross-fade LOD transition, applied to the last mesh LOD and the billboard, should be animated. | | [bestWindQuality](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/bestwindquality.md) | Returns the best-possible wind quality on this asset (configured in SpeedTree modeler). | | [billboardTransitionCrossFadeWidth](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/billboardtransitioncrossfadewidth.md) | Proportion of the last 3D mesh LOD region width which is used for cross-fading to billboard tree. | | [castShadows](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/castshadows.md) | Gets and sets an array of booleans to enable shadow casting for each LOD. | | [castShadowsByDefault](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/castshadowsbydefault.md) | Gets and sets a boolean to toggle whether the imported SpeedTree casts shadows. | | [defaultBillboardShader](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/defaultbillboardshader.md) | Returns the default SpeedTree billboard shader for the active render pipeline, or null if the asset is a SpeedTree v8 asset. | | [defaultShader](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/defaultshader.md) | Returns the default SpeedTree shader for the active render pipeline (either v7 or v8 according to the asset version). | | [enableBump](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/enablebump.md) | Gets and sets an array of booleans to enable normal mapping for each LOD. | | [enableBumpByDefault](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/enablebumpbydefault.md) | Gets and sets a boolean to enable normal mapping on the imported SpeedTree model. | | [enableHue](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/enablehue.md) | Gets and sets an array of booleans to enable hue variation effect for each LOD. | | [enableHueByDefault](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/enablehuebydefault.md) | Gets and sets a boolean to enable hue variation effect on the imported SpeedTree model. | | [enableSettingOverride](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/enablesettingoverride.md) | Gets and sets an array of booleans to customize importer settings for a specific LOD. | | [enableSmoothLODTransition](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/enablesmoothlodtransition.md) | Enables smooth LOD transitions. | | [enableSubsurface](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/enablesubsurface.md) | Gets and sets an array of booleans to enable the subsurface scattering effect for each LOD (affects only SpeedTree v8 assets). | | [enableSubsurfaceByDefault](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/enablesubsurfacebydefault.md) | Gets and sets a boolean to enable the subsurface scattering effect for the SpeedTree asset (affects only SpeedTree v8 assets). | | [fadeOutWidth](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/fadeoutwidth.md) | Proportion of the billboard LOD region width which is used for fading out the billboard. | | [generateColliders](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/generatecolliders.md) | Gets and sets the boolean to toggle collider object generation during import. | | [generateRigidbody](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/generaterigidbody.md) | Gets and sets the boolean to toggle Rigidbody generation during import. | | [hasBillboard](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/hasbillboard.md) | Tells if there is a billboard LOD. | | [hasImported](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/hasimported.md) | Tells if the SPM file has been previously imported. | | [hueVariation](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/huevariation.md) | Gets and sets a default hue variation color and amount (in alpha). | | [isV8](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/isv8.md) | Returns true if the asset is a SpeedTree v8 asset. | | [LODHeights](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/lodheights.md) | Gets and sets an array of floats of each LOD's screen height value. | | [mainColor](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/maincolor.md) | Gets and sets a default main color. | | [materialFolderPath](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/materialfolderpath.md) | Returns the folder path where generated materials will be placed in. | | [materialLocation](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/materiallocation-1.md) | Material import location options. | | [receiveShadows](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/receiveshadows.md) | Gets and sets an array of booleans to enable shadow receiving for each LOD. | | [receiveShadowsByDefault](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/receiveshadowsbydefault.md) | Gets and sets a boolean to enable whether the SpeedTree asset receives shadows from other objects in your scene. | | [scaleFactor](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/scalefactor.md) | How much to scale the tree model compared to what is in the imported SpeedTree model file. | | [selectedWindQuality](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/selectedwindquality.md) | Gets and sets an integer corresponding to the SpeedTreeWind enum values. The value is clamped by [SpeedTreeImporter.bestWindQuality](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/bestwindquality.md) internally. | | [useLightProbes](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/uselightprobes.md) | Gets and sets an array of booleans to enable Light Probe lighting for each LOD. | | [useLightProbesByDefault](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/uselightprobesbydefault.md) | Gets and sets a boolean to enable light probe lighting for the imported SpeedTree model. | | [windQualities](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/windqualities.md) | Gets and sets an array of integers of the wind qualities on each LOD. Values will be clamped by [SpeedTreeImporter.bestWindQuality](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/bestwindquality.md) internally. | ## Methods | Method | Description | | ------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------- | | [GenerateMaterials](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/generatematerials.md) | Generates all necessary materials under materialFolderPath. If Version Control is enabled please first check out the folder. | | [SearchAndRemapMaterials](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/searchandremapmaterials.md) | Search the project for matching materials and use them instead of the internal materials. | ## Enums | Enum | Description | | ----------------------------------------------------------------------------------------------------------------------- | --------------------------------- | | [SpeedTreeImporter.MaterialLocation](/engine/6000.0/script-reference/unityeditor/speedtreeimporter/materiallocation.md) | Material import location options. | ## Inheritance **Inherited Members:** * [AssetImporter.GetImportLog(string)](/engine/6000.0/script-reference/unityeditor/assetimporter/getimportlog.md) * [AssetImporter.SetAssetBundleNameAndVariant(string, string)](/engine/6000.0/script-reference/unityeditor/assetimporter/setassetbundlenameandvariant.md) * [AssetImporter.GetAtPath(string)](/engine/6000.0/script-reference/unityeditor/assetimporter/getatpath.md) * [AssetImporter.SaveAndReimport()](/engine/6000.0/script-reference/unityeditor/assetimporter/saveandreimport.md) * [AssetImporter.AddRemap(SourceAssetIdentifier, Object)](/engine/6000.0/script-reference/unityeditor/assetimporter/addremap.md) * [AssetImporter.RemoveRemap(SourceAssetIdentifier)](/engine/6000.0/script-reference/unityeditor/assetimporter/removeremap.md) * [AssetImporter.GetExternalObjectMap()](/engine/6000.0/script-reference/unityeditor/assetimporter/getexternalobjectmap.md) * [AssetImporter.SupportsRemappedAssetType(Type)](/engine/6000.0/script-reference/unityeditor/assetimporter/supportsremappedassettype.md) * [AssetImporter.assetPath](/engine/6000.0/script-reference/unityeditor/assetimporter/assetpath.md) * [AssetImporter.importSettingsMissing](/engine/6000.0/script-reference/unityeditor/assetimporter/importsettingsmissing.md) * [AssetImporter.userData](/engine/6000.0/script-reference/unityeditor/assetimporter/userdata.md) * [AssetImporter.assetBundleName](/engine/6000.0/script-reference/unityeditor/assetimporter/assetbundlename.md) * [AssetImporter.assetBundleVariant](/engine/6000.0/script-reference/unityeditor/assetimporter/assetbundlevariant.md) * [Object.GetInstanceID()](/engine/6000.0/script-reference/unityengine/object/getinstanceid.md) * [Object.GetHashCode()](/engine/6000.0/script-reference/unityengine/object/gethashcode.md) * [Object.InstantiateAsync\(T)](/engine/6000.0/script-reference/unityengine/object/instantiateasync.md) * [Object.InstantiateAsync\(T, Transform)](/engine/6000.0/script-reference/unityengine/object/instantiateasync.md) * [Object.InstantiateAsync\(T, Vector3, Quaternion)](/engine/6000.0/script-reference/unityengine/object/instantiateasync.md) * [Object.InstantiateAsync\(T, Transform, Vector3, Quaternion)](/engine/6000.0/script-reference/unityengine/object/instantiateasync.md) * [Object.InstantiateAsync\(T, int)](/engine/6000.0/script-reference/unityengine/object/instantiateasync.md) * [Object.InstantiateAsync\(T, int, Transform)](/engine/6000.0/script-reference/unityengine/object/instantiateasync.md) * [Object.InstantiateAsync\(T, int, Vector3, Quaternion)](/engine/6000.0/script-reference/unityengine/object/instantiateasync.md) * [Object.InstantiateAsync\(T, int, ReadOnlySpan\, ReadOnlySpan\)](/engine/6000.0/script-reference/unityengine/object/instantiateasync.md) * [Object.InstantiateAsync\(T, int, Transform, Vector3, Quaternion)](/engine/6000.0/script-reference/unityengine/object/instantiateasync.md) * [Object.InstantiateAsync\(T, int, Transform, Vector3, Quaternion, CancellationToken)](/engine/6000.0/script-reference/unityengine/object/instantiateasync.md) * [Object.InstantiateAsync\(T, int, Transform, ReadOnlySpan\, ReadOnlySpan\)](/engine/6000.0/script-reference/unityengine/object/instantiateasync.md) * [Object.InstantiateAsync\(T, int, Transform, ReadOnlySpan\, ReadOnlySpan\, CancellationToken)](/engine/6000.0/script-reference/unityengine/object/instantiateasync.md) * [Object.InstantiateAsync\(T, InstantiateParameters, CancellationToken)](/engine/6000.0/script-reference/unityengine/object/instantiateasync.md) * [Object.InstantiateAsync\(T, int, InstantiateParameters, CancellationToken)](/engine/6000.0/script-reference/unityengine/object/instantiateasync.md) * [Object.InstantiateAsync\(T, Vector3, Quaternion, InstantiateParameters, CancellationToken)](/engine/6000.0/script-reference/unityengine/object/instantiateasync.md) * [Object.InstantiateAsync\(T, int, Vector3, Quaternion, InstantiateParameters, CancellationToken)](/engine/6000.0/script-reference/unityengine/object/instantiateasync.md) * [Object.InstantiateAsync\(T, int, ReadOnlySpan\, ReadOnlySpan\, InstantiateParameters, CancellationToken)](/engine/6000.0/script-reference/unityengine/object/instantiateasync.md) * [Object.Instantiate(Object, Vector3, Quaternion)](/engine/6000.0/script-reference/unityengine/object/instantiate.md#instantiate\(object-vector3-quaternion\)) * [Object.Instantiate(Object, Vector3, Quaternion, Transform)](/engine/6000.0/script-reference/unityengine/object/instantiate.md#instantiate\(object-vector3-quaternion-transform\)) * [Object.Instantiate(Object)](/engine/6000.0/script-reference/unityengine/object/instantiate.md#instantiate\(object\)) * [Object.Instantiate(Object, Scene)](/engine/6000.0/script-reference/unityengine/object/instantiate.md#instantiate\(object-scene\)) * [Object.Instantiate\(T, InstantiateParameters)](/engine/6000.0/script-reference/unityengine/object/instantiate.md) * [Object.Instantiate\(T, Vector3, Quaternion, InstantiateParameters)](/engine/6000.0/script-reference/unityengine/object/instantiate.md) * [Object.Instantiate(Object, Transform)](/engine/6000.0/script-reference/unityengine/object/instantiate.md#instantiate\(object-transform\)) * [Object.Instantiate(Object, Transform, bool)](/engine/6000.0/script-reference/unityengine/object/instantiate.md#instantiate\(object-transform-bool\)) * [Object.Instantiate\(T)](/engine/6000.0/script-reference/unityengine/object/instantiate.md) * [Object.Instantiate\(T, Vector3, Quaternion)](/engine/6000.0/script-reference/unityengine/object/instantiate.md) * [Object.Instantiate\(T, Vector3, Quaternion, Transform)](/engine/6000.0/script-reference/unityengine/object/instantiate.md) * [Object.Instantiate\(T, Transform)](/engine/6000.0/script-reference/unityengine/object/instantiate.md) * [Object.Instantiate\(T, Transform, bool)](/engine/6000.0/script-reference/unityengine/object/instantiate.md) * [Object.Destroy(Object, float)](/engine/6000.0/script-reference/unityengine/object/destroy.md) * [Object.DestroyImmediate(Object, bool)](/engine/6000.0/script-reference/unityengine/object/destroyimmediate.md) * [Object.FindObjectsByType(Type, FindObjectsSortMode)](/engine/6000.0/script-reference/unityengine/object/findobjectsbytype.md#findobjectsbytype\(type-findobjectssortmode\)) * [Object.FindObjectsByType(Type, FindObjectsInactive, FindObjectsSortMode)](/engine/6000.0/script-reference/unityengine/object/findobjectsbytype.md#findobjectsbytype\(type-findobjectsinactive-findobjectssortmode\)) * [Object.DontDestroyOnLoad(Object)](/engine/6000.0/script-reference/unityengine/object/dontdestroyonload.md) * [Object.FindObjectsByType\(FindObjectsSortMode)](/engine/6000.0/script-reference/unityengine/object/findobjectsbytype.md#findobjectsbytypet\(findobjectssortmode\)) * [Object.FindObjectsByType\(FindObjectsInactive, FindObjectsSortMode)](/engine/6000.0/script-reference/unityengine/object/findobjectsbytype.md#findobjectsbytypet\(findobjectsinactive-findobjectssortmode\)) * [Object.FindFirstObjectByType\()](/engine/6000.0/script-reference/unityengine/object/findfirstobjectbytype.md#findfirstobjectbytypet\(\)) * [Object.FindAnyObjectByType\()](/engine/6000.0/script-reference/unityengine/object/findanyobjectbytype.md#findanyobjectbytypet\(\)) * [Object.FindFirstObjectByType\(FindObjectsInactive)](/engine/6000.0/script-reference/unityengine/object/findfirstobjectbytype.md#findfirstobjectbytypet\(findobjectsinactive\)) * [Object.FindAnyObjectByType\(FindObjectsInactive)](/engine/6000.0/script-reference/unityengine/object/findanyobjectbytype.md#findanyobjectbytypet\(findobjectsinactive\)) * [Object.FindFirstObjectByType(Type)](/engine/6000.0/script-reference/unityengine/object/findfirstobjectbytype.md#findfirstobjectbytype\(type\)) * [Object.FindAnyObjectByType(Type)](/engine/6000.0/script-reference/unityengine/object/findanyobjectbytype.md#findanyobjectbytype\(type\)) * [Object.FindFirstObjectByType(Type, FindObjectsInactive)](/engine/6000.0/script-reference/unityengine/object/findfirstobjectbytype.md#findfirstobjectbytype\(type-findobjectsinactive\)) * [Object.FindAnyObjectByType(Type, FindObjectsInactive)](/engine/6000.0/script-reference/unityengine/object/findanyobjectbytype.md#findanyobjectbytype\(type-findobjectsinactive\)) * [Object.ToString()](/engine/6000.0/script-reference/unityengine/object/tostring.md) * [Object.name](/engine/6000.0/script-reference/unityengine/object/name.md) * [Object.hideFlags](/engine/6000.0/script-reference/unityengine/object/hideflags.md) ### Operators | Operator | Description | | ---------------------------------------------------------------------------------- | ----------------------------------------------------------------------- | | [operator ==](/engine/6000.0/script-reference/unityengine/object/op-equality.md) | Compares two object references to see if they refer to the same object. | | [bool](/engine/6000.0/script-reference/unityengine/object/op-implicit.md) | Determines whether the object exists. | | [operator !=](/engine/6000.0/script-reference/unityengine/object/op-inequality.md) | Compares if two objects refer to a different object. |