knotR: Knot Diagrams using Bezier Curves

`k8_1` <- 
structure(list(minsymvec = structure(c(124.030680463425, -160.041512509797, 
-310.562168584986, -276.272607429758, -265.731556344226, -182.149166646413, 
-21.3170859266651, -264.221700801643, -368.24615957534, -280.803037869435, 
-141.855157369621, -10.5027880903394, -40.0377607768562, -568.140858601171, 
-479.64637322588, -316.536663237731, -25.8196022709061, 264.308561416189, 
5.64627567639295, -65.7371094975522, -207.805817978068, -343.149457512311, 
-574.342694589671, 62.9650494227754, -215.558899901549, -313.164304762204, 
-253.679794457234, -251.940237019441, -101.491446076978, -115.375597518784, 
-308.06976251731, -344.19672386828, -210.025221995624, -98.1747384440259, 
-42.0976513230181, -547.809636061233, -547.872225181117, -413.14381913517, 
-196.146354473915, 80.5835050657477, 275.107328064396, -28.9802947617043, 
-106.344940364331, -271.643079730779, -442.360942940119, -611.842749804202, 
-649.859697573739, 141.103674458757), .Names = c("handle_A5", 
"handle_A6", "handle_A7", "handle_A8", "handle_A9", "handle_A10", 
"handle_A12", "handle_A13", "handle_A14", "handle_A15", "handle_A16", 
"handle_A17", "handle_A23", "handle_A30", "handle_A31", "handle_A32", 
"handle_A33", "handle_A34", "handle_A36", "handle_A37", "handle_A38", 
"handle_A39", "handle_A40", "handle_A47", "node6", "node7", "node8", 
"node9", "node10", "node12", "node13", "node14", "node15", "node16", 
"node23", "node29", "node30", "node31", "node32", "node33", "node34", 
"node36", "node37", "node38", "node39", "node40", "node41", "node47"
), class = "minsymvec"), overunderobj = structure(c(2, 20, 5, 
16, 8, 13, 23, 11, 22, 3, 19, 6, 15, 9, 12, 24), .Dim = c(8L, 
2L)), symobj = structure(list(Mver = structure(c(10, 9, 23, 12, 
13, 14, 8, 7, 6, 15, 16, 24, 1, 11, 22, 21, 20, 2, 3, 4, 19, 
18), .Dim = c(11L, 2L)), xver = c(5, 17), Mhor = NULL, xhor = NULL, 
    Mrot = NULL, exact_h = NULL, exact_v = NULL, mcdonalds = FALSE, 
    celtic = FALSE, reefknot = FALSE, center_crossing = FALSE, 
    indep = structure(c(FALSE, FALSE, FALSE, FALSE, TRUE, TRUE, 
    TRUE, TRUE, TRUE, TRUE, FALSE, TRUE, TRUE, TRUE, TRUE, TRUE, 
    TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, TRUE, FALSE, FALSE, 
    FALSE, FALSE, FALSE, FALSE, TRUE, TRUE, TRUE, TRUE, TRUE, 
    FALSE, TRUE, TRUE, TRUE, TRUE, TRUE, FALSE, FALSE, FALSE, 
    FALSE, FALSE, FALSE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, 
    FALSE, TRUE, TRUE, TRUE, TRUE, TRUE, FALSE, TRUE, TRUE, TRUE, 
    TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, TRUE, 
    FALSE, FALSE, FALSE, FALSE, FALSE, TRUE, TRUE, TRUE, TRUE, 
    TRUE, TRUE, FALSE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, FALSE, 
    FALSE, FALSE, FALSE, FALSE, TRUE, FALSE), .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")