three-dimensional-covert/service/planeCoverService.js

 

import * as THREE from 'three'
import axios from 'axios'
import Decompress from './util/Decompress.js'
import Process from './util/Process.js'
import Model from './util/Model.js'

import Chunks from './util/Chunks.js' 

import PanoBoxFrame from './PanoBoxFrame.js'


const domain = `https://4dkk.4dage.com`;
const getModelBlob = async (url) => {
  const data = await axios({
    url: `${domain}${url}`,
    responseType: 'arraybuffer',
    method: 'GET'
  });

  if (data.status !== 200) {
    throw "无法获取场景数据，请确认场景码是否正确"
  } else if (!data.data) {
    throw "场景数据为空，请联系相关人员"
  } else {
    return data.data;
  }
}

 

/**
 * @param sceneNum 场景码
 * @param imgBoxsList 全景图shapes平面盒子数据格式：
 * [{
    "id":9703,
    "version":"4dage_1.0.0",
    "flag":null,
    "shapes":[{
      score: 0.5,
      color: [],
      bbox: [],
      label: "",
      category:"cabinet"
    }]
    }]
    @returns 返回三维立方体box
 */

function addToModel(chunks, player) {
    if (0 === chunks.length) {
        logger.warn('No geometry found for model, loading faux geometry, disabling outside mode')
   
        var chunk = new Chunk({
            geometry: new THREE.PlaneBufferGeometry(5, 5, 1, 1),
        })
        chunk.material.visible = !1
        chunk.rotateX(-Math.PI / 2)
        chunk.geometry.computeBoundingBox()
        chunks = [chunk]
    }
    chunks.forEach(function (mesh) { 
        var floorIndex = Chunks.parseFloor(mesh.name)
        player.model.addChunk(floorIndex, mesh)
    })
    player.model.floors.sort() 
}



function outputJson(boxCenvert, sceneNum, player){
  let json = {
    sceneNum, 
    boxes:boxCenvert.boxesSolid.map(e=> e.toJson()),
    boundingBox: {min:boxCenvert.safeBound.min.toArray(),max:boxCenvert.safeBound.max.toArray()}
  }
  
  return json
}

export const planeCover = async ({sceneNum, imgBoxsList}) => {
  const player = {
    model : new Model(), 
  } 
  const panoBlob = await getModelBlob(`/scene_view_data/${sceneNum}/images/vision.modeldata`)
  const damBlob = await getModelBlob(`/scene_view_data/${sceneNum}/images/dacf7dfa24ae47fab8fcebfe4dc41ab9_50k.dam`)

  var sweepLocations = Decompress.decompressModeldata(panoBlob)
  var modeldata = Process.visionModeldata(sweepLocations,  player.model.panos) 
  const panos = Process.panos(modeldata, player.model) 
  
  var meshdata = Decompress.decompressMesh(damBlob) 
  var chunks = Process.convertProtobufToSceneObject( meshdata, sceneNum) 
  addToModel(chunks, player)
  player.model.build()


  console.log(player.model) 
  console.log(imgBoxsList)




  let boxCenvert = new PanoBoxFrame(player, true, imgBoxsList) 
  console.log(boxCenvert.boxesSolid)

  

  return outputJson(boxCenvert, sceneNum, player);
}