Could someone share the method to extract vertices and triangles data from an STL format model in ThreeJS?
Could someone share the method to extract vertices and triangles data from an STL format model in ThreeJS?
If you want to import an STL file into your project, the STLLoader class is what you need. Simply create an instance of the loader and use it to load the STL asset from a specific path. Upon successful loading in the onLoad() callback, you will receive a representation of the geometry data in the form of BufferGeometry.
const loader = new STLLoader();
loader.load( './models/stl/ascii/slotted_disk.stl', function ( geometry ) {
const material = new THREE.MeshBasicMaterial();
const mesh = new THREE.Mesh( geometry, material );
scene.add( mesh );
} );
Remember that the geometry is non-indexed, meaning each face/triangle is defined by three consecutive vertices within the position buffer attribute.
For a complete example, check out:
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