To set Insulation Symbology Based on Insulation Material using Named expression in OpenPlant Modeler. 

Background

OpenPlant component symbology is managed in the typical MicroStation fashion. It is controlled through a combination of Named Expressions (used to read attributes and assign the Element Templates accordingly) and Element Templates (where symbology is defined for the elements identified by the Named Expression). For defining symbology based on Insulation Material, below are the steps to follow. 

Steps to Accomplish

1. All of component symbology settings are usually set in OPmodeler.dgnlib file, located in WorkSpace\Projects\%project_name%\DataSet\Dgnlibs folder. Navigate to mentioned path to open the file.
2. In menu select Element -> Element Templates.
   
   
   
3. Browse to OpenPlant -> Piping section.
4. Create Symbology for Insulation Material
5. Set symbology as per requirement. See below has been set for few existing Services.
   
   For Insulation Material – Calcium Silicate:
   
   
   
   For Insulation Material – Fiber Glass:
   
   
   
   Note – Similarly for other Insulation Material, symbology can be defined. Ensure that Insulation material should defined under correct hierarchy, i.e under OpenPlant > Piping. 
   
   
6. In Main menu open Utilities -> Named Expressions. 
   
   
   
   
7. For Pipeline Insulation, it is requires update for OP_SYMBOLOGY_PIPING_INSULATION
   
   OP_SYMBOLOGY_PIPING_INSULATION:
   "BY_LEVEL_AND_TEMPLATE:" & PIPELINE.NAME & ":OpenPlant\Piping\" & OPITEM.INSULATION & ":Insulation"




8. Save Expression and close the dialog box.
9. Save and close the DGNLIB file.
10. Launch OpenPlant Modeler and verify results with working DGN file. 
    
    
    
    
    
    

See Also

http://communities.bentley.com/products/plant/design___engineering/w/plant_design_and_engineering__wiki/4870.named-expressions-managing-component-symbology-in-openplant-modeler

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