Method OpenModel

src/ts/web-ifc-api.ts:478–503

* Opens a model and returns a modelID number * @param data Buffer containing IFC data (bytes) * @param settings Settings for loading the model @see LoaderSettings * @returns ModelID or -1 if model fails to open

(data: Uint8Array, settings?: LoaderSettings)

   * @returns ModelID or -1 if model fails to open
   */
  OpenModel(data: Uint8Array, settings?: LoaderSettings): number {
    let s = this.CreateSettings(settings);
    let result = this.wasmModule.OpenModel(
      s,
      (destPtr: number, offsetInSrc: number, destSize: number) => {
        let srcSize = Math.min(data.byteLength - offsetInSrc, destSize);
        let dest = this.wasmModule.HEAPU8.subarray(destPtr, destPtr + srcSize);
        let src = data.subarray(offsetInSrc, offsetInSrc + srcSize);
        dest.set(src);
        return srcSize;
      }
    );
    this.deletedLines.set(result, new Set());
    var schemaName = this.GetHeaderLine(result, FILE_SCHEMA).arguments[0][0]
      .value;
    let id = this.LookupSchemaId(schemaName);
    if (id == -1) {
      Log.error("Unsupported Schema:" + schemaName);
      this.CloseModel(result);
      return -1;
    }
    this.modelSchemaList[result] = id;
    this.modelSchemaNameList[result] = schemaName;
    Log.debug("Parsing Model using " + schemaName + " Schema");
    return result;
  }

  /**
   * Opens a model and returns a modelID number