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PLYGaussianSplatLoader: a dedicated loader for Gaussian splat PLYs (#34278) #2369

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Merged
Methuselah96 merged 2 commits into from
Aug 21, 2026
Merged

PLYGaussianSplatLoader: a dedicated loader for Gaussian splat PLYs (#34278) #2369

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ff66952
Update three.js
Methuselah96 Aug 21, 2026
9274072
Update declarations
Methuselah96 Aug 21, 2026
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2 changes: 1 addition & 1 deletion three.js
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Submodule three.js updated 6 files
+386 −0 examples/jsm/loaders/PLYGaussianSplatLoader.js
+0 −177 examples/jsm/utils/GaussianSplatUtils.js
+1 −0 examples/tags.json
+150 −0 test/unit/addons/loaders/PLYGaussianSplatLoader.tests.js
+0 −135 test/unit/addons/utils/GaussianSplatUtils.tests.js
+1 −0 test/unit/three.addons.unit.js
9 changes: 9 additions & 0 deletions types/three/examples/jsm/loaders/PLYGaussianSplatLoader.d.ts
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Original file line number Diff line number Diff line change
@@ -0,0 +1,9 @@
import { BufferGeometry, Loader, LoadingManager } from "three";

declare class PLYGaussianSplatLoader extends Loader<BufferGeometry> {
constructor(manager?: LoadingManager);

parse(data: ArrayBuffer | string): BufferGeometry;
}

export { PLYGaussianSplatLoader };
34 changes: 0 additions & 34 deletions types/three/examples/jsm/utils/GaussianSplatUtils.d.ts
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Original file line number Diff line number Diff line change
@@ -1,16 +1,7 @@
import { BufferGeometry } from "three";

export const GAUSSIAN_SPLAT_PLY_PROPERTY_MAPPING: {
scale: string[];
rotation: string[];
f_dc: string[];
opacity: string[];
};

export const SH_C0: number;

export const SH_DEGREE_TO_COMPONENTS: number[];

export const SH_BAND_COMPONENTS: number[];

export const SH_BAND_WORDS: number[];
Expand Down Expand Up @@ -51,18 +42,6 @@ export function writeCovariance(
qw: number,
): void;

export interface GaussianSplatPLYPropertyMapping {
scale: string[];
rotation: string[];
f_dc: string[];
opacity: string[];
f_rest?: string[] | undefined;
}

export function getGaussianSplatPLYPropertyMapping(
sphericalHarmonicsDegree?: number,
): GaussianSplatPLYPropertyMapping;

export interface PackedSphericalHarmonicsBand {
packed: Uint32Array;
bytes: Uint8ClampedArray;
Expand All @@ -87,16 +66,3 @@ export function createGaussianSplatGeometry(
colors: Uint8Array | Uint8ClampedArray,
sphericalHarmonics?: GaussianSplatSphericalHarmonics,
): BufferGeometry;

export interface CreateGaussianSplatGeometryFromPLYGeometryOptions {
scaleAttribute?: string | undefined;
rotationAttribute?: string | undefined;
sh0Attribute?: string | undefined;
shRestAttribute?: string | undefined;
opacityAttribute?: string | undefined;
}

export function createGaussianSplatGeometryFromPLYGeometry(
geometry: BufferGeometry,
options?: CreateGaussianSplatGeometryFromPLYGeometryOptions,
): BufferGeometry;
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