knotR: Knot Diagrams using Bezier Curves

`k9_15` <-	
structure(list(minsymvec = structure(c(-38.9148242991402, -43.7770419721238, 
-2.81751994470899, -154.709905185811, -203.850449376118, -5.67449017884453, 
-151.579219949035, -240.319629188679, -71.7459724815988, -43.1357360940471, 
-43.1014375451133, -10.1338321725238, -119.68046426947, 184.409028073102, 
-149.758728328913, -271.537543167803, -538.717132525052, -351.821432211674, 
-209.467600489173, 107.963964329597, -382.038737310717, -116.286353762206, 
210.097219472728, 372.035498094927, -35.7885308550074, -51.0377866641953, 
-191.341670882791, -121.037117099511, -53.0997574246866, -192.768896261618, 
-196.578615451034, -39.3069556957024, -33.6091280499547, -51.6642132534929, 
-103.696119794822, 517.022512159315, 104.021112769717, -192.199964967753, 
-353.351564263166, -570.9175755431, -303.44812899084, -111.956666882907, 
208.859491596128, 345.303814903793, -459.047003371861, -45.9802999784076, 
262.701007429345, 432.318421254648), .Names = c("handle_A1", 
"handle_A4", "handle_A6", "handle_A7", "handle_A8", "handle_A10", 
"handle_A11", "handle_A12", "handle_A13", "handle_A17", "handle_A21", 
"handle_A23", "handle_A24", "handle_A28", "handle_A30", "handle_A31", 
"handle_A32", "handle_A34", "handle_A35", "handle_A36", "handle_A41", 
"handle_A45", "handle_A47", "handle_A48", "node4", "node6", "node7", 
"node8", "node10", "node11", "node12", "node17", "node21", "node23", 
"node24", "node25", "node28", "node30", "node31", "node32", "node34", 
"node35", "node36", "node37", "node41", "node45", "node47", "node48"
), class = "minsymvec"), overunderobj = structure(c(3, 23, 5, 
21, 7, 18, 10, 13, 16, 14, 4, 22, 6, 11, 9, 17, 24, 20), .Dim = c(9L, 
2L)), symobj = structure(list(Mver = structure(c(24, 12, 11, 
23, 4, 21, 6, 7, 10, 17, 8, 2, 14, 15, 3, 22, 5, 20, 19, 16, 
9, 18), .Dim = c(11L, 2L)), xver = c(1, 13), Mhor = NULL, xhor = NULL, 
    Mrot = NULL, exact_h = NULL, exact_v = NULL, mcdonalds = FALSE, 
    celtic = FALSE, reefknot = FALSE, center_crossing = FALSE, 
    indep = structure(c(TRUE, FALSE, FALSE, TRUE, FALSE, TRUE, 
    TRUE, TRUE, FALSE, TRUE, TRUE, TRUE, TRUE, FALSE, FALSE, 
    FALSE, TRUE, FALSE, FALSE, FALSE, TRUE, FALSE, TRUE, TRUE, 
    FALSE, FALSE, FALSE, TRUE, FALSE, TRUE, TRUE, TRUE, FALSE, 
    TRUE, TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, TRUE, FALSE, 
    FALSE, FALSE, TRUE, FALSE, TRUE, TRUE, FALSE, FALSE, FALSE, 
    TRUE, FALSE, TRUE, TRUE, TRUE, FALSE, TRUE, TRUE, TRUE, FALSE, 
    FALSE, FALSE, FALSE, TRUE, FALSE, FALSE, FALSE, TRUE, FALSE, 
    TRUE, TRUE, TRUE, FALSE, FALSE, TRUE, FALSE, TRUE, TRUE, 
    TRUE, FALSE, TRUE, TRUE, TRUE, TRUE, FALSE, FALSE, FALSE, 
    TRUE, FALSE, FALSE, FALSE, TRUE, FALSE, TRUE, TRUE), .Names = c("handle_A1", 
    "handle_A2", "handle_A3", "handle_A4", "handle_A5", "handle_A6", 
    "handle_A7", "handle_A8", "handle_A9", "handle_A10", "handle_A11", 
    "handle_A12", "handle_A13", "handle_A14", "handle_A15", "handle_A16", 
    "handle_A17", "handle_A18", "handle_A19", "handle_A20", "handle_A21", 
    "handle_A22", "handle_A23", "handle_A24", "handle_A25", "handle_A26", 
    "handle_A27", "handle_A28", "handle_A29", "handle_A30", "handle_A31", 
    "handle_A32", "handle_A33", "handle_A34", "handle_A35", "handle_A36", 
    "handle_A37", "handle_A38", "handle_A39", "handle_A40", "handle_A41", 
    "handle_A42", "handle_A43", "handle_A44", "handle_A45", "handle_A46", 
    "handle_A47", "handle_A48", "node1", "node2", "node3", "node4", 
    "node5", "node6", "node7", "node8", "node9", "node10", "node11", 
    "node12", "node13", "node14", "node15", "node16", "node17", 
    "node18", "node19", "node20", "node21", "node22", "node23", 
    "node24", "node25", "node26", "node27", "node28", "node29", 
    "node30", "node31", "node32", "node33", "node34", "node35", 
    "node36", "node37", "node38", "node39", "node40", "node41", 
    "node42", "node43", "node44", "node45", "node46", "node47", 
    "node48"))), .Names = c("Mver", "xver", "Mhor", "xhor", "Mrot", 
"exact_h", "exact_v", "mcdonalds", "celtic", "reefknot", "center_crossing", 
"indep"))), .Names = c("minsymvec", "overunderobj", "symobj"), class = "knot")