version()
'SageMath version 8.6, Release Date: 2019-01-15'
The smallest failing example I could construct is:
DiGraph({1: [10]}).show(method='js')
It shows the graph as 10->1 instead of 1->10
In the html source you'd see:
"links": [{... "target": 0, ... "source": 1, ...}], ... "nodes": [{"group":
"0", "name": "1"}, {"group": "0", "name": "10"}]}
What works correctly on the other hand:
DiGraph({1: [10]}).show(method='matplotlib')
DiGraph({1: [2]}, ).show(method='js')
DiGraph({'1': ['10']}).show(method='js')
In the html code of the last example target and source are swapped:
"links": [{... "target": 1, ... "source": 0, ...}], ... "nodes": [{"group":
"0", "name": "1"}, {"group": "0", "name": "10"}]}
Another failing example is:
Graph({1: [2], 2: [7], 3: [10], 5: [7]}).show(method='js')
showing the nodes as:
2-3-10-7, 1-5
Replacing 10 by 9 results in the correct graph:
1-2-7-5, 3-9
Cheers,
Stefan
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