// Scripts to add vertex attributes to maya for export to RMan.
// Tal Lancaster  01/19/02
//
// Usage: addConnVertexAttr ("particleShape1", "rmanFidPP", "doubleArray", "particleId");
  
// Function from Pixar mtorMapNurbsColor.mel example
//
global proc string addVertexAttr (string $attr, string $obj, string $attrType)
// description:
//  create a dynamic attribute on the object given by $obj.
//  the attribute will be of type $attrtype (typically "doubleArray")
//  the attribute will be named: $attr (typically something like "rmanFtest")
{
    string $attrs[] = `listAttr -st $attr $obj`;
    if ($attrs[0] == "")
    {
	// doesn't exist, so create attribute
	addAttr -ln $attr -dt $attrType $obj;
    }
    return ($obj + "." + $attr);
}

global proc addConnVertexAttr (string $obj, string $nattr, string $attrType, string $cattr)
{
	string $attr = addVertexAttr ($nattr, $obj, $attrType);
	connectAttr -f ($obj + "." + $cattr) $attr;
}