Function LoadFile

examples/nodejs/index.js:10–199

(filename)

const ifcapi = new IfcAPI();

async function LoadFile(filename) {
    // load model data as a string

    await ifcapi.Init();
    const ifcData = fs.readFileSync(filename);

    let modelID = ifcapi.OpenModel(ifcData);



    console.log(`Loaded model ${filename} to modelID ${modelID}`);

    let numLines = 0;


    //Data types

    // enum IfcTokenType : char
    // {
    // 	UNKNOWN = 0,
    // 	STRING = 1
    //  LABEL = 2
    // 	ENUM = 3
    // 	REAL = 4
    // 	REF = 5
    // 	EMPTY = 6
    // 	SET_BEGIN 
    // 	SET_END
    // 	LINE_END
    // };

    console.log(`Modify values`);

    //Change units
    let units = ifcapi.GetLineIDsWithType(modelID, IFCSIUNIT);
    for (let i = 0; i < units.size(); i++) {
        let expressID = units.get(i);
        const unit = await ifcapi.properties.getItemProperties(modelID, expressID);
        unit.Prefix = { type: 3, value: 'MILLI' };
        ifcapi.WriteLine(modelID, unit);
    }


    //IfcProduct edition
    let storeys = ifcapi.GetLineIDsWithType(modelID, IFCBUILDINGSTOREY);
    for (let i = 0; i < storeys.size(); i++) {
        numLines++;
        let expressID = storeys.get(i);
        const storey = await ifcapi.properties.getItemProperties(modelID, expressID);
        storey.Description = new IFC2X3.IfcText('Description')
        storey.Name = new IFC2X3.IfcLabel('Name')
        storey.LongName = new IFC2X3.IfcText('Long name');
        ifcapi.WriteLine(modelID, storey);
    }

    //IfcProperty edition
    let properties = ifcapi.GetLineIDsWithType(modelID, IFCPROPERTYSINGLEVALUE)
    for (let i = 0; i < properties.size(); i++) {