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    Trim the Model
    In This Topic

    You can trim = remove object classes, individual objects and properties from the model. The removed properties are not exported to IFC.

    Trimming can be done manually in the application from the Model Trimmer workspace or automated using templates. The following instructions are for automating trimming with templates.

    Step 1 – Decide which object classes you need 

    Worksheet ModelView           
    Section Include/Exclude Objects Based on Object Class or Group

    Here you can define which Object Classes are relevant to your use case. It is a good approach to first exclude all Object Classes and then start including only the ones you need.

    Step 2 – Decide which object instances you need

    Worksheets

    Groups Worksheet
    Model View Worksheet

    Sections

    Define Groups Based on Property Values -section
    Include/Exclude Objects Based on Object Class or Group

    You can include and exclude individual objects (Object Instances) by defining object groups and including/excluding the groups.

    First you define a group that contains a set of objects, for example all spaces with a Space Name that starts with ‘Gross’. The name of this group could be for example 'Gross Area Spaces'. Please note that you can also create groups that use numeric and Yes/No operators as well as And/Or logic. You can find more information about groups here.

    Then you simply include/exclude the group just like you would include/exclude an object class.

    Step 3 – Decide which properties you need

    Worksheet ModelView           
    Section Include/Exclude Property

    Here you can define which properties are relevant to your use case. Again, it is a good approach to first exclude all properties for all Object Classes and then start including only the ones you need.