Loader →

PDBLoader

A loader for the PDB format.

The Protein Data Bank file format is a textual file describing the three-dimensional structures of molecules.

Code Example

const loader = new PDBLoader();
const pdb = await loader.loadAsync( 'models/pdb/ethanol.pdb' );
const geometryAtoms = pdb.geometryAtoms;
const geometryBonds = pdb.geometryBonds;
const json = pdb.json;

Import

PDBLoader is an addon, and must be imported explicitly, see Installation#Addons.

import { PDBLoader } from 'three/addons/loaders/PDBLoader.js';

Constructor

new PDBLoader( manager : LoadingManager )

Constructs a new PDB loader.

manager

The loading manager.

Methods

.load( url : string, onLoad : function, onProgress : onProgressCallback, onError : onErrorCallback )

Starts loading from the given URL and passes the loaded PDB asset to the onLoad() callback.

url

The path/URL of the file to be loaded. This can also be a data URI.
onLoad

Executed when the loading process has been finished.
onProgress

Executed while the loading is in progress.
onError

Executed when errors occur.
Overrides: Loader#load

.parse( text : string ) : Object

Parses the given PDB data and returns an object holding the atoms and bond geometries as well as the raw atom data as JSON.

text

The raw PDB data as a string.
Overrides: Loader#parse
Returns: The result object.

Source

examples/jsm/loaders/PDBLoader.js