This page contains EDMInterface API sample code to show how to exploit the powerful features of EDMqueryMethods. To run these samples, you need to create an EDMdatabase and compile the following schemas.

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The Industry Foundation Classes (IFC) data model to describe building and construction industry data

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Defines the EDMqueryMethods CheckModelCapacityUsed(), CheckEDMserverVersion() and GetMaxModelInstances(). Extends the IFC2x3 EXPRESS Schema

You will also need to import the following data set into the EDMmodel named IFC_WALL_01 in the DataRepository

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Sample population with one instance of IFCWALLSTANDARDCASE, identified by a GUID

Sample 1: EDMqueryMethod with output in QueryResult table

This sample shows how to execute an EDMqueryMethod and pick up the result in a QueryResult table allocated in the calling clients heap memory. In the sample, input arguments to the Query are provided as SELECT type parameters. To run this sample, you need to have the EDMquerySchema IFC_Query_Samples_01 installed the EDMmodelServer. You also need to import the sample population IfcWall_01.ifc. Note that the QueryResult table shows instances of the VIEW_ENTITY type defined in the EDMqueryShema.