/*

	This example illustrates how to get the number of instances within operator's

	port groups.

*/

NewScene( null, false );

var arc = CreatePrim( "Arc", "NurbsCurve" );

// Duplicate arc 3 times and translate in z by 45

var args = new Array(19);

args[0] = arc;                                       // source object

args[1] = 3;                                         // number of copies

args[9] = siApplyRepeatXForm;                        // Xform

args[15] = 90;                                       // Rz

var arcs = Application.ExecuteScriptCommand( "Duplicate", args );

// Create mesh from curves	

ApplyOp( "CrvNet", arc +","+arcs(1)+";"+arcs(0)+","+arcs(2) );

// Get mesh from selection 

var mesh = Selection(0);

// Get boolean operator from cube's construction history

var e = new Enumerator( mesh.ActivePrimitive.ConstructionHistory );

var op;

for ( ; !e.atEnd(); e.moveNext() )           

if ( e.item().Type == "curvenet" )

{

op = e.item();

break;

}

// Print the number of ports in each group

Application.LogMessage( op.Name + ": num port groups = " + op.GetNumPortGroups() );

for ( var i=0; i<op.GetNumPortGroups(); i++ )

Application.LogMessage( op.Name + ": num instances in group " + i + " = " + op.GetNumInstancesInGroup(i) );

//INFO : "Curve Net: num port groups = 3"

//INFO : "Curve Net: num instances in group 0 = 2"

//INFO : "Curve Net: num instances in group 1 = 2"

//INFO : "Curve Net: num instances in group 2 = 1"