Intrinsic for converting RGB to RGBA by using a 3D lookup table. The incoming r,g,b values are use as normalized x,y,z coordinates into a 3D allocation. The 8 nearest values are sampled and linearly interpolated. The result is placed in the output.
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Last updated 2025-02-10 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-02-10 UTC."],[],[],null,["# ScriptIntrinsic3DLUT\n\nAdded in [API level 18](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) \nDeprecated in [API level 31](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)\n\nScriptIntrinsic3DLUT\n====================\n\n*** ** * ** ***\n\nKotlin \\|[Java](/reference/android/renderscript/ScriptIntrinsic3DLUT \"View this page in Java\") \n\n```\nclass ScriptIntrinsic3DLUT : ScriptIntrinsic\n```\n\n|---|---|---|---|------------------------------------------------|\n| [kotlin.Any](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-any/index.html) |||||\n| ↳ | [android.renderscript.BaseObj](/reference/kotlin/android/renderscript/BaseObj) ||||\n| | ↳ | [android.renderscript.Script](/reference/kotlin/android/renderscript/Script) |||\n| | | ↳ | [android.renderscript.ScriptIntrinsic](/reference/kotlin/android/renderscript/ScriptIntrinsic) ||\n| | | | ↳ | [android.renderscript.ScriptIntrinsic3DLUT](#) |\n\n*** ** * ** ***\n\n| **This class was deprecated in API level 31.**\n|\n| Renderscript has been deprecated in API level 31. Please refer to the [migration guide](https://developer.android.com/guide/topics/renderscript/migration-guide) for the proposed alternatives.\n\nIntrinsic for converting RGB to RGBA by using a 3D lookup table. The incoming r,g,b values are use as normalized x,y,z coordinates into a 3D allocation. The 8 nearest values are sampled and linearly interpolated. The result is placed in the output.\n\nSummary\n-------\n\n| Public methods ||\n|------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| static [ScriptIntrinsic3DLUT](#)! | [create](#create(android.renderscript.RenderScript,%20android.renderscript.Element))`(`rs:` `[RenderScript](/reference/kotlin/android/renderscript/RenderScript)!`, `e:` `[Element](/reference/kotlin/android/renderscript/Element)!`)` Supported elements types are [Element.U8_4](/reference/kotlin/android/renderscript/Element#U8_4(android.renderscript.RenderScript)) The defaults tables are identity. |\n| [Unit](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html) | [forEach](#forEach(android.renderscript.Allocation,%20android.renderscript.Allocation))`(`ain:` `[Allocation](/reference/kotlin/android/renderscript/Allocation)!`, `aout:` `[Allocation](/reference/kotlin/android/renderscript/Allocation)!`)` Invoke the kernel and apply the lookup to each cell of ain and copy to aout. |\n| [Unit](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html) | [forEach](#forEach(android.renderscript.Allocation,%20android.renderscript.Allocation,%20android.renderscript.Script.LaunchOptions))`(`ain:` `[Allocation](/reference/kotlin/android/renderscript/Allocation)!`, `aout:` `[Allocation](/reference/kotlin/android/renderscript/Allocation)!`, `opt:` `[Script.LaunchOptions](/reference/kotlin/android/renderscript/Script.LaunchOptions)!`)` Invoke the kernel and apply the lookup to each cell of ain and copy to aout. |\n| [Script.KernelID](/reference/kotlin/android/renderscript/Script.KernelID)! | [getKernelID](#getKernelID())`()` Get a KernelID for this intrinsic kernel. |\n| [Unit](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html) | [setLUT](#setLUT(android.renderscript.Allocation))`(`lut:` `[Allocation](/reference/kotlin/android/renderscript/Allocation)!`)` Sets the [android.renderscript.Allocation](/reference/kotlin/android/renderscript/Allocation) to be used as the lookup table. |\n\nPublic methods\n--------------\n\n### create\n\nAdded in [API level 18](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) \n\n```\nstatic fun create(\n rs: RenderScript!, \n e: Element!\n): ScriptIntrinsic3DLUT!\n```\n\n**Deprecated:** *Deprecated in Java.*\n\nSupported elements types are [Element.U8_4](/reference/kotlin/android/renderscript/Element#U8_4(android.renderscript.RenderScript)) The defaults tables are identity.\n\n| Parameters ||\n|------|--------------------------------------------------------------------------------------------------|\n| `rs` | [RenderScript](/reference/kotlin/android/renderscript/RenderScript)!: The RenderScript context |\n| `e` | [Element](/reference/kotlin/android/renderscript/Element)!: Element type for intputs and outputs |\n\n| Return ||\n|----------------------------|----------------------|\n| [ScriptIntrinsic3DLUT](#)! | ScriptIntrinsic3DLUT |\n\n### forEach\n\nAdded in [API level 18](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) \n\n```\nfun forEach(\n ain: Allocation!, \n aout: Allocation!\n): Unit\n```\n\n**Deprecated:** *Deprecated in Java.*\n\nInvoke the kernel and apply the lookup to each cell of ain and copy to aout.\n\n| Parameters ||\n|--------|-------------------------------------------------------------------------------------|\n| `ain` | [Allocation](/reference/kotlin/android/renderscript/Allocation)!: Input allocation |\n| `aout` | [Allocation](/reference/kotlin/android/renderscript/Allocation)!: Output allocation |\n\n### forEach\n\nAdded in [API level 21](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) \nDeprecated in [API level 31](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) \n\n```\nfun forEach(\n ain: Allocation!, \n aout: Allocation!, \n opt: Script.LaunchOptions!\n): Unit\n```\n\n**Deprecated:** *Deprecated in Java.*\n\nInvoke the kernel and apply the lookup to each cell of ain and copy to aout.\n\n| Parameters ||\n|--------|-----------------------------------------------------------------------------------------------------------------|\n| `ain` | [Allocation](/reference/kotlin/android/renderscript/Allocation)!: Input allocation |\n| `aout` | [Allocation](/reference/kotlin/android/renderscript/Allocation)!: Output allocation |\n| `opt` | [Script.LaunchOptions](/reference/kotlin/android/renderscript/Script.LaunchOptions)!: Launch options for kernel |\n\n### getKernelID\n\nAdded in [API level 18](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) \n\n```\nfun getKernelID(): Script.KernelID!\n```\n\n**Deprecated:** *Deprecated in Java.*\n\nGet a KernelID for this intrinsic kernel.\n\n| Return ||\n|----------------------------------------------------------------------------|--------------------------------------|\n| [Script.KernelID](/reference/kotlin/android/renderscript/Script.KernelID)! | Script.KernelID The KernelID object. |\n\n### setLUT\n\nAdded in [API level 18](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) \n\n```\nfun setLUT(lut: Allocation!): Unit\n```\n\n**Deprecated:** *Deprecated in Java.*\n\nSets the [android.renderscript.Allocation](/reference/kotlin/android/renderscript/Allocation) to be used as the lookup table. The lookup table must use the same [android.renderscript.Element](/reference/kotlin/android/renderscript/Element) as the intrinsic."]]
