knotR: Knot Diagrams using Bezier Curves

`perko_B` <-
structure(list(minsymvec = structure(c(-110.070386746157, -193.703140641817, 
-212.71812994784, -255.23654475815, -100.267194367009, 78.6821434106123, 
20.4062531929717, -92.6253048614154, -61.9513333059919, 136.843847787313, 
331.018212566636, 342.939327108051, 290.825182289983, 123.549136100737, 
108.179420458926, 11.5646137129414, -98.3982686071762, -283.681863887823, 
-372.136037544935, -389.249216151906, -152.674887244718, -43.5977741848944, 
-70.9634874754916, -64.1248864043471, 119.797060191909, 301.817530293283, 
284.042433522875, 65.462308139511, 209.727927843656, 111.842605530023, 
-15.9067845827121, -295.7787402009, -479.289569636596, -326.398586584117, 
-187.139808012982, -96.6832704406841, 49.6807074237528, 52.7374044513772, 
95.058450742176, 255.867735989579, 314.279362630985, 203.793990484276, 
26.687730548679, -212.873198257853, -267.835867619497, -245.001702076291, 
-118.212098108663, 7.04306128403176, 101.564410797601, 8.85946448307249, 
-122.58427386059, -294.658947059988, -369.724333291908, -179.276703932425, 
99.1289665351723, -135.404455570359, -210.522420142414, -228.777995703294, 
-218.880108428825, -15.3925823173095, 65.0421532928535, -17.5004178191598, 
-96.5218496938189, 16.8305753096842, 202.019508778074, 353.812408791826, 
336.505917029121, 222.524279505869, 112.378783696532, 87.2787566687967, 
-20.3784624506674, -165.596574271369, -323.277093978693, -374.853770025565, 
-312.849435905357, -114.374218065078, -45.7444857768809, -78.3055876796645, 
-11.1681433074499, 190.846024294392, 307.748552848781, 217.680340817755, 
183.812825471847, -1.18029746096247, -123.962759998881, -362.49257548163, 
-446.164739904222, -272.991578561119, -153.664532029628, -46.7434665385594, 
58.2140952230733, 58.5392142116784, 155.200586635043, 263.282576107313, 
293.560160672263, 140.096253198388, -73.0636388262047, -231.547670045746, 
-263.596426433102, -204.462394334301, -100.47860405851, 71.1555315162277, 
75.8512943398612, -47.0137398967307, -182.296084861596, -327.800599439687, 
-318.321058732268, -83.7291319830612, 161.479175696163, 242.229428981153
), .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", "handle_A49", 
"handle_A50", "handle_A51", "handle_A52", "handle_A53", "handle_A54", 
"handle_A55", "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", 
"node29", "node30", "node31", "node32", "node33", "node34", "node35", 
"node36", "node37", "node38", "node39", "node40", "node41", "node42", 
"node43", "node44", "node45", "node46", "node47", "node48", "node49", 
"node50", "node51", "node52", "node53", "node54", "node55", "node56"
), class = "minsymvec"), overunderobj = structure(c(14, 27, 6, 
24, 8, 22, 2, 18, 16, 10, 28, 11, 25, 17, 23, 9, 21, 4, 7, 15
), .Dim = c(10L, 2L)), symobj = structure(list(Mver = NULL, xver = 28, 
    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, TRUE, TRUE, 
    TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, 
    TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, 
    TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, 
    TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, 
    TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, FALSE, TRUE, 
    TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, 
    TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, 
    TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, FALSE, TRUE, TRUE, TRUE, 
    TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, 
    TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, TRUE, 
    TRUE, TRUE, TRUE, 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", "handle_A49", "handle_A50", "handle_A51", "handle_A52", 
    "handle_A53", "handle_A54", "handle_A55", "handle_A56", "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", "node49", "node50", 
    "node51", "node52", "node53", "node54", "node55", "node56"
    ))), .Names = c("Mver", "xver", "Mhor", "xhor", "Mrot", "exact_h", 
"exact_v", "mcdonalds", "celtic", "reefknot", "center_crossing", 
"indep"))), .Names = c("minsymvec", "overunderobj", "symobj"), class = "knot")