knotR: Knot Diagrams using Bezier Curves

`k8_19` <- 
structure(list(minsymvec = structure(c(58.8157386250376, -128.411566600606, 
-370.91107711265, -380.276894755106, -135.003727622329, -44.948734322007, 
-278.23875114861, -311.118727523249, -112.514188281304, -23.3166689856688, 
-90.9310467321672, -118.699784064535, -182.675249351735, -452.037293206561, 
-444.068429698609, 127.07509008394, 62.4995914687602, -179.222995420999, 
73.9616902060583, -168.307666840537, -204.323638602155, -401.863519052808, 
-292.110207672619, -74.1017407775627, -127.401326474568, -304.351465828051, 
-242.478961031868, -62.2086610838451, -62.6441961001171, -118.081244189117, 
-135.793730575002, -272.26750192502, -473.934695412154, -395.753075551318, 
123.291951667506, -18.0411489672885, -310.720194180955, -522.825326007621, 
-6.05229125029796, -233.785309777423), .Names = c("handle_A1", 
"handle_A2", "handle_A3", "handle_A4", "handle_A5", "handle_A8", 
"handle_A9", "handle_A10", "handle_A11", "handle_A15", "handle_A16", 
"handle_A22", "handle_A23", "handle_A24", "handle_A25", "handle_A28", 
"handle_A29", "handle_A30", "handle_A35", "handle_A36", "node2", 
"node3", "node4", "node5", "node8", "node9", "node10", "node15", 
"node16", "node21", "node22", "node23", "node24", "node25", "node28", 
"node29", "node30", "node31", "node35", "node36"), class = "minsymvec"), 
    overunderobj = structure(c(15, 13, 18, 5, 10, 1, 6, 2, 8, 
    20, 12, 11, 3, 7, 17, 16), .Dim = c(8L, 2L)), symobj = structure(list(
        Mver = structure(c(8, 9, 15, 2, 16, 3, 4, 10, 5, 14, 
        13, 7, 20, 6, 19, 18, 12, 17), .Dim = c(9L, 2L)), xver = c(1, 
        11), 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, TRUE, 
        TRUE, TRUE, TRUE, FALSE, FALSE, TRUE, TRUE, TRUE, TRUE, 
        FALSE, FALSE, FALSE, TRUE, TRUE, FALSE, FALSE, FALSE, 
        FALSE, FALSE, TRUE, TRUE, TRUE, TRUE, FALSE, FALSE, TRUE, 
        TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, TRUE, TRUE, FALSE, 
        FALSE, FALSE, FALSE, FALSE, TRUE, TRUE, TRUE, TRUE, FALSE, 
        FALSE, TRUE, TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, 
        TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, TRUE, TRUE, TRUE, 
        TRUE, TRUE, FALSE, FALSE, TRUE, TRUE, TRUE, TRUE, FALSE, 
        FALSE, FALSE, TRUE, TRUE, FALSE, FALSE, FALSE, 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", "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"))), .Names = c("Mver", "xver", "Mhor", "xhor", 
    "Mrot", "exact_h", "exact_v", "mcdonalds", "celtic", "reefknot", 
    "center_crossing", "indep"))), .Names = c("minsymvec", "overunderobj", 
"symobj"), class = "knot")