在Forge中从Revit导出IFC：自定义设置及外部设置复用咨询

Great questions! Let’s dive into each one with practical details based on hands-on experience with Forge and Revit APIs:

1. Can Forge export IFC from Revit models using custom settings not built into the model? #

Absolutely yes! The Forge Design Automation API for Revit lets you bypass the model’s built-in IFC export settings by directly leveraging Revit’s .NET API to define your own export configuration.

Here’s the breakdown:

• You’ll create a custom Revit plugin (or script) that instantiates an IFCExportOptions object.
• Set specific properties on this object to match your needs:
  • For IFC4 format: options.IFCVersion = IFCVersion.IFC4;
  • To include first-level boundaries: Adjust properties like options.ExportBaseQuantities or use category-specific filters to ensure those elements are included (depending on your exact definition of "一级边界").
• Package this logic into a Design Automation Activity, then trigger a WorkItem to run it against your target Revit model. The export uses your custom settings, not the ones saved in the model itself.

This approach is perfect when you need consistent export rules across multiple models without modifying their internal settings.

2. Can Revit export/load settings files be automatically applied to other Revit files? #

Yes, and Forge Design Automation makes this straightforward for batch or automated workflows.

Revit allows saving IFC export settings to a .exportsettings file, and you can load these settings programmatically via the Revit API:

• In your Design Automation script, use the IFCExportOptions.LoadFromExportSettingsFile() method to load your pre-saved settings file.
• Apply this loaded configuration to export IFC from any target Revit file, even if that file doesn’t have the settings built-in.
• To streamline this, you can upload your .exportsettings file to Forge OSS (Object Storage Service) and reference it as an input parameter in your Design Automation WorkItem. The script will pull the settings file, load it, and apply it to the model automatically.

This is ideal for standardizing export rules across a portfolio of Revit files without manually configuring each one.

内容的提问来源于stack exchange，提问作者Razyo