如何删除有关IFC模型解析过程中的诊断信息

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产品 InstalSystem 5
文章类型 TIP&TRICK
版本的最新内容 2021-08-26


Problem description

In some cases, due to the quality of the imported IFC model and the complexity of the project situation, the following operations:

may not be successful. Problems related to the correct interpretation of objects from IFC models into the native construction components of the InstalSystem 5 package are diagnosed by the program with precise error or warning messages.

Attention! When doing 建筑热负荷计算 the structure of which is based on an IFC model, it is worthwhile to analyse the model and consider which building components should be interpreted using the automatic functions available in the program. Components excluded from the interpretation should be drawn in a simplified manner in order to obtain the same (or similar) result for the value of 传热耗热量.


The most common errors and warnings include:

  • 无法识别墙 - 墙所在的楼层标高范围内不包括此楼层.
    This error message is displayed when:
    • During a 基于IFC文件创建墙体 operation the program detects that the elevations of the interpreted components ifcWall, ifcWallStandardCase or ifcCurtainWall do not agree with the elevations of 楼层 components. 更多信息，见： BIM - Creating storeys based on data from IFC model.
  • 无法识别窗/门/墙洞，因为没有插入此图元的墙.
    This error message is displayed when:
    • During a 基于IFC文件创建窗、门和墙洞 operation the program finds that the elevations of the interpreted components ifcWindow, ifcDoor or ifcOpeningElement do not agree with the elevations of 墙 component within which 窗, 门, Opening in wall components are to be placed.
  • 无效的部件类型.
    This error message is displayed when:
    • IFC objects marked by the user before calling the interpreting operation are of other type than the one required by that operation.
  • 无法从IFC图元生成屋顶 .
    This error message is displayed when:
    • The program is not able to create a 屋顶 component by interpreting ifcRoof and ifcSlab components or other type of component marked for 基于IFC文件创建屋顶 operation.
  • ifcPlate is a component of a IfcCurtainWall and cannot be interpreted separately.
    This error message is displayed when:
    • During a 基于IFC文件创建墙体 operation the program detects that the ifcPlate selected for intepretation is a component of an IfcCurtainWall.
  • 无法识别房间 - 房间所在的楼层不包括此楼层的标高范围内.
    This warning message is displayed when:
    • During a 基于IFC文件创建房间 operation the program detects that the elevations of the ifcSpace components to be interpreted do not agree with the elevations of 楼层 components. 更多信息，见： BIM - Creating storeys based on data from IFC model.

Solution

Upon clicking the error or warning message in the 诊断 window, the objects from the IFC model that cause problems with interpretation are highlighted in 2D编辑器, 3D视图 and Project browser. If the message applies to more than one component, then these are grouped in the 部件 field list.

Elimination of each error requires an analysis of the correctness of object definitions in the IFC model. If it is not possible to solve the identified problems and the design situation requires it, it is possible to approach the interpretation of the components in a hybrid manner, i.e. interpret the selected objects by applying the automatic functions storey by storey, component by component, and then manually supplement the created building structure with the required structural components. 更多信息，见： Preparation of building structure.

Attention! It is a good idea to interpret the structure in several turns. It is not recommended, especially for complex buildings, to perform the interpretation of a whole group of IFC elements/objects in a single operation. This approach allows for more complete control over potentially occurring problems indicated by messages in the Diagnostics window and facilitates the resolution of these problems.


无法识别墙 - 墙所在的楼层标高范围内不包括此楼层

  • In the 一般参数 window, 楼层管理 tab, verify the correctness of the storeys arrangement created from an IFC model. Firstly, the data of the 楼层 component should be analysed and, if necessary, corrected with regard to 位置 and 尺寸. 更多信息，见： BIM - Creating storeys based on data from IFC model.
    1. 位置 and 尺寸 of a 楼层.

无法识别窗/门/墙洞，因为没有插入此图元的墙

  • When the elevation range of a 墙 or a Curtain wall does not agree with the elevation of an interpreted ifcWindow, ifcDoor or ifcOpeningElement, the 墙 or Curtain wall component must be modified by changing the storeys range for the component in the 参数表 window and the value in the 下沿偏移 or 上沿偏移 field.
    2. Changing the position of a 墙.

无效的部件类型

Attention! It is also possible to partially interpret other components from the IFC model (not listed above, and representing the building structure) into native components of InstalSystem 5 using the functions mentioned above. This applies to such components as, for instance, IfcBuildingElementProxy, IfcColumn, IfcStair, IfcStairFlight, IfcCovering. In most IFC models, they represent the complex architecture of the building, rather than the structure needed to perform 建筑热负荷计算. Such additional interpretation should therefore be preceded by a detailed analysis of the model and, if the design situation requires it, be carried out. The created construction components can be manually modified by the user in further steps, deleted if necessary and supplemented by manually inserted construction components from InstalSystem 5.


无法从IFC图元生成屋顶

  • Append the project with manually inserted 屋顶 components based on 2D plan view of the IFC model and on the 捕捉 function, and then add roof edges appropriately using the 添加屋顶边缘 function. 更多信息，见： Inserting a roof.

IfcPlate is a component of a ifcCurtainWall and cannot be interpreted separately

  • The parent component of the ifcCurtainWall type, which includes the indicated ifcPlate component, should be interpreted.

无法识别房间 - 房间所在的楼层不包括此楼层的标高范围内

  • Verify the correctness of the storeys arrangement created from the IFC model in the 一般参数 window, 楼层管理 tab. First, the data of the 楼层 component should be analysed and, if necessary, corrected with regard to the values of 位置 and 尺寸. 更多信息，见： BIM - Creating storeys based on data from IFC model.


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