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		[page:Loader] &rarr;

		<h1>[name]</h1>

		<p class="desc">A loader for loading a `.pdb` resource.<br>
		The [link:http://en.wikipedia.org/wiki/Protein_Data_Bank_(file_format) Protein Data Bank] file format is a textual file describing the three-dimensional structures of molecules.
		</p>

		<h2>Import</h2>

		<p>
			[name] is an add-on, and must be imported explicitly.
			See [link:#manual/introduction/Installation Installation / Addons].
		</p>

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

		<h2>Code Example</h2>

		<code>
		// instantiate a loader
		const loader = new PDBLoader();

		// load a PDB resource
		loader.load(
			// resource URL
			'models/pdb/caffeine.pdb',
			// called when the resource is loaded
			function ( pdb ) {

				const geometryAtoms = pdb.geometryAtoms;
				const geometryBonds = pdb.geometryBonds;
				const json = pdb.json;

				console.log( 'This molecule has ' + json.atoms.length + ' atoms' );

			},
			// called when loading is in progresses
			function ( xhr ) {

				console.log( ( xhr.loaded / xhr.total * 100 ) + '% loaded' );

			},
			// called when loading has errors
			function ( error ) {

				console.log( 'An error happened' );

			}
		);
		</code>

		<h2>Examples</h2>
		<p>
			[example:webgl_loader_pdb]
		</p>

		<h2>Constructor</h2>

		<h3>[name]( [param:LoadingManager manager] )</h3>
		<p>
		[page:LoadingManager manager] — The [page:LoadingManager loadingManager] for the loader to use. Default is [page:LoadingManager THREE.DefaultLoadingManager].
		</p>
		<p>
		Creates a new [name].
		</p>

		<h2>Properties</h2>
		<p>See the base [page:Loader] class for common properties.</p>

		<h2>Methods</h2>
		<p>See the base [page:Loader] class for common methods.</p>

		<h3>[method:undefined load]( [param:String url], [param:Function onLoad], [param:Function onProgress], [param:Function onError] )</h3>
		<p>
		[page:String url] — A string containing the path/URL of the `.pdb` file.<br />
		[page:Function onLoad] — (optional) A function to be called after loading is successfully completed. The function receives the object having the following properties. [page:BufferGeometry geometryAtoms], [page:BufferGeometry geometryBonds] and the [page:Object JSON] structure.<br />
		[page:Function onProgress] — (optional) A function to be called while the loading is in progress. The argument will be the XMLHttpRequest instance, which contains [page:Integer total] and [page:Integer loaded] bytes. If the server does not set the Content-Length header; .[page:Integer total] will be 0.<br />
		[page:Function onError] — (optional) A function to be called if an error occurs during loading. The function receives the error as an argument.<br />
		</p>
		<p>
		Begin loading from url and call onLoad with the parsed response content.
		</p>

		<h3>[method:Object parse]( [param:String text] )</h3>
		<p>
		[page:String text] — The textual `pdb` structure to parse.
		</p>
		<p>
		Parse a `pdb` text and return a `JSON` structure.<br />
		</p>

		<h2>Source</h2>

		<p>
			[link:https://github.com/mrdoob/three.js/blob/master/examples/jsm/loaders/PDBLoader.js examples/jsm/loaders/PDBLoader.js]
		</p>
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