1{2 "family": "continuity",3 "about": "Antimeridian continuity and pole handling: the two properties an unwrapped ring has to keep. A ring never jumps a seam — consecutive points stay less than half a world apart — and its closing point joins the loop in the frame the walk ended in, which for a polar face is a whole world of longitude away from where it began. poleContained names the pole a cell circles, so the adapters can close the loop along the picture's own edge.",4 "cases": [5 {6 "name": "s2-ring-47a1cb",7 "ground": "test/sphere-8192x4096",8 "system": "s2",9 "call": "ring",10 "args": [11 "47a1cb"12 ],13 "expect": [14 [15 4365.879587614001,16 -918.033070463103517 ],18 [19 4366.264055785155,20 -917.13051438461121 ],22 [23 4366.649152033657,24 -916.228014324102125 ],26 [27 4365.439267285944,28 -916.102630053889629 ],30 [31 4364.229108312911,32 -915.977799606003133 ],34 [35 4363.847258433866,36 -916.880943598770637 ],38 [39 4363.4660320228095,40 -917.784142665446341 ],42 [43 4364.672945478729,44 -917.908331009537545 ],46 [47 4365.879587614001,48 -918.033070463103549 ]50 ]51 },52 {53 "name": "s2-ring-5",54 "ground": "test/sphere-8192x4096",55 "system": "s2",56 "call": "ring",57 "args": [58 "5"59 ],60 "expect": [61 [62 5120,63 -1245.539221441316464 ],65 [66 5206.791391784741,67 -1206.857581632384468 ],69 [70 5305.004995792349,71 -1168.274585506927772 ],73 [74 5415.699724331611,75 -1130.999169682623576 ],77 [78 5539.497502103825,79 -1096.583056593838180 ],81 [82 5676.235771003257,83 -1066.856321646860684 ],85 [86 5824.597481974296,87 -1043.757529041782488 ],89 [90 5981.866294638324,91 -1029.053528497070892 ],93 [94 6144,95 -102496 ],97 [98 6306.133705361676,99 -1029.0535284970708100 ],101 [102 6463.402518025706,103 -1043.7575290417824104 ],105 [106 6611.764228996744,107 -1066.8563216468606108 ],109 [110 6748.502497896175,111 -1096.5830565938381112 ],113 [114 6872.300275668389,115 -1130.9991696826235116 ],117 [118 6982.995004207652,119 -1168.2745855069277120 ],121 [122 7081.208608215259,123 -1206.8575816323844124 ],125 [126 7168,127 -1245.5392214413164128 ],129 [130 7254.791391784741,131 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