Match determines whether an element (such as a 3D object, or an edge, point, or polygon) matches the filter requirements. Softimage uses the Match callback to filter selections in 3D views and the schematic. For subcomponent filters, however, Softimage will use Subset, if it exists, instead of Match to filter the selection.

Match returns True to keep an element, and False to filter the element out.

You can implement a custom filter by writing a single callback: the Match callback. All filters must implement Match, and can optionally implement two additional callbacks: Subset and Filter Callbacks.

Custom Filters

public class <filter_name>
{
        public bool Match( Context in_context )
        {
                ...
        }
}

CStatus <filter_name>_Match( CRef& in_context )
{ 
        ... 
}

function <filter_name>_Match( in_context )
{ 
        ... 
}

def <filter_name>_Match( in_context ):
        ...

Function <filter_name>_Match( in_context )
        ...
End Function

sub <filter_name>_Match 
{ 
        my $in_context = shift; 
}

<filter_name> is the name specified in the call to PluginRegistrar.RegisterFilter, with any spaces converted to underscores.

• Init (Filter)
• IsApplicable
• Subset
• Filter Callbacks