public void sendCurveToMaya(string node_name, Point3DCollection controlVertices, List <double> knots, int degree, MFnNurbsCurveForm form) { var dn = new MFnDagNode(getDagNode(node_name)); var plCreate = dn.findPlug("create"); var plDynamoCreate = new MPlug(); try { plDynamoCreate = dn.findPlug("dynamoCreate"); } catch { var tAttr = new MFnTypedAttribute(); var ldaDynamoCreate = tAttr.create("dynamoCreate", "dc", MFnData.Type.kNurbsCurve, MObject.kNullObj); try { dn.addAttribute(ldaDynamoCreate, MFnDependencyNode.MAttrClass.kLocalDynamicAttr); plDynamoCreate = dn.findPlug(ldaDynamoCreate); var dagm = new MDagModifier(); dagm.connect(plDynamoCreate, plCreate); dagm.doIt(); } catch { return; } } var ncd = new MFnNurbsCurveData(); var oOwner = ncd.create(); var nc = new MFnNurbsCurve(); var p_aControlVertices = new MPointArray(); foreach (var p in controlVertices) { p_aControlVertices.Add(new MPoint(p.X, p.Y, p.Z)); } var d_aKnots = new MDoubleArray(); for (var i = 1; i < knots.Count - 1; ++i) { d_aKnots.Add(knots[i]); } nc.create(p_aControlVertices, d_aKnots, (uint)degree, (MFnNurbsCurve.Form)form, false, true, oOwner); plDynamoCreate.setMObject(oOwner); MGlobal.executeCommandOnIdle(string.Format("dgdirty {0}.create;", node_name)); }