IfcApi
IfcLoader
IfcViewerApi

IfcLoader.getSpatialStructure

简介:

IfcLoader是一个用于加载、解析和处理IFC文件的JavaScript库。getSpatialStructure是IfcLoader的一个方法,用于获取IFC模型的空间结构。

方法原型:

IfcLoader.getSpatialStructure(model)

参数介绍:

  • model:IFC模型数据,可以是字符串或Object类型。

示例代码:

以下代码演示了如何使用IfcLoader.getSpatialStructure方法获取IFC模型的空间结构:

import * as THREE from 'three';
import { IfcLoader } from 'ifc-loader';

// Load IFC file
const loader = new IfcLoader();
loader.load('./model.ifc', function(model) {

  // Get spatial structure of IFC model
  const spatialStructure = loader.getSpatialStructure(model);

  // Create Three.js scene
  const scene = new THREE.Scene();

  // Loop through spatial structure to create Three.js objects
  for (let i = 0; i < spatialStructure.length; i++) {
    const element = spatialStructure[i];

    // Get element's position and size
    const position = new THREE.Vector3(
      element.location.x,
      element.location.y,
      element.location.z
    );
    const size = new THREE.Vector3(
      element.size.x,
      element.size.y,
      element.size.z
    );

    // Create Three.js object (e.g. box or sphere)
    const geometry = new THREE.BoxGeometry(size.x, size.y, size.z);
    const material = new THREE.MeshBasicMaterial({ color: 0xff0000 });
    const object = new THREE.Mesh(geometry, material);

    // Set object's position
    object.position.copy(position);

    // Add object to Three.js scene
    scene.add(object);
  }

  // Render Three.js scene
  const renderer = new THREE.WebGLRenderer();
  renderer.setSize(window.innerWidth, window.innerHeight);
  document.body.appendChild(renderer.domElement);
  renderer.render(scene, camera);
});

本示例代码加载IFC模型,使用IfcLoader.getSpatialStructure方法获取IFC模型的空间结构,并使用Three.js将IFC模型的元素渲染为Three.js对象。