Your input tree JSON files must be in this format:
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{ "$schema": "http://json-schema.org/draft-06/schema#", "definitions": { "node": { "type": "object", "required": [ "_meta" ], "properties": { "_meta": { "type": "object", "required": [ "id" ], "properties": { "id": { "type": [ "null", "string" ], "minLength": 1 }, "additionalProperties": { "type": "string" } } } }, "additionalProperties": { "$ref": "#/definitions/node" } }, "rootNode": { "type": "object", "minProperties": 1, "additionalProperties": { "$ref": "#/definitions/node" } } }, "$ref": "#/definitions/rootNode" } |
An example JSON file that matches the above JSON schema (also see the demo):
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{ "Archaeans": { "_meta": { "id": "1", "url": "https://en.wikipedia.org/wiki/Archaeans" } }, "Eukayotes": { "_meta": { "id": "2", "url": "https://en.wikipedia.org/wiki/Eukayotes" }, "Plants": { "_meta": { "id": "3", "url": "https://en.wikipedia.org/wiki/Plants" }, "Green algae": { "_meta": { "id": "4", "url": "https://en.wikipedia.org/wiki/Green algae" } }, "Mosses": { "_meta": { "id": "5", "url": "https://en.wikipedia.org/wiki/Mosses" } }, "Ferns": { "_meta": { "id": "6", "url": "https://en.wikipedia.org/wiki/Ferns" } }, "Conifers": { "_meta": { "id": "7", "url": "https://en.wikipedia.org/wiki/Conifers" } }, "Flowering": { "_meta": { "id": "8", "url": "https://en.wikipedia.org/wiki/Flowering" } } }, "Amoebas": { "_meta": { "id": "9", "url": "https://en.wikipedia.org/wiki/Amoebas" } }, "Funghi": { "_meta": { "id": "10", "url": "https://en.wikipedia.org/wiki/Funghi" }, "Mushroom": { "_meta": { "id": "11", "url": "https://en.wikipedia.org/wiki/Mushroom" } }, "Yeast": { "_meta": { "id": "12", "url": "https://en.wikipedia.org/wiki/Yeast" } }, "Mold": { "_meta": { "id": "13", "url": "https://en.wikipedia.org/wiki/Mold" } } }, "Animals": { "_meta": { "id": "14", "url": "https://en.wikipedia.org/wiki/Animals" }, "Arthropods": { "_meta": { "id": "15", "url": "https://en.wikipedia.org/wiki/Arthropods" }, "Roundworms": { "_meta": { "id": "16", "url": "https://en.wikipedia.org/wiki/Roundworms" } }, "Insects": { "_meta": { "id": "17", "url": "https://en.wikipedia.org/wiki/Insects" } }, "Crustaceans": { "_meta": { "id": "18", "url": "https://en.wikipedia.org/wiki/Crustaceans" } }, "Spiders": { "_meta": { "id": "19", "url": "https://en.wikipedia.org/wiki/Spiders" } }, "Scorpions": { "_meta": { "id": "20", "url": "https://en.wikipedia.org/wiki/Scorpions" } }, "Centipedes": { "_meta": { "id": "21", "url": "https://en.wikipedia.org/wiki/Centipedes" } } }, "Molluscs": { "_meta": { "id": "22", "url": "https://en.wikipedia.org/wiki/Molluscs" }, "Squids": { "_meta": { "id": "23", "url": "https://en.wikipedia.org/wiki/Squids" } }, "Octopus": { "_meta": { "id": "24", "url": "https://en.wikipedia.org/wiki/Octopus" } }, "Snails": { "_meta": { "id": "25", "url": "https://en.wikipedia.org/wiki/Snails" } }, "Clams": { "_meta": { "id": "26", "url": "https://en.wikipedia.org/wiki/Clams" } }, "Oysters": { "_meta": { "id": "27", "url": "https://en.wikipedia.org/wiki/Oysters" } } }, "Brachiopods": { "_meta": { "id": "28", "url": "https://en.wikipedia.org/wiki/Brachiopods" } }, "Tapeworms": { "_meta": { "id": "29", "url": "https://en.wikipedia.org/wiki/Tapeworms" } }, "Annelid": { "_meta": { "id": "30", "url": "https://en.wikipedia.org/wiki/Annelid" }, "Earthworms": { "_meta": { "id": "31", "url": "https://en.wikipedia.org/wiki/Earthworms" } }, "Leeches": { "_meta": { "id": "32", "url": "https://en.wikipedia.org/wiki/Leeches" } } }, "Echinoderms": { "_meta": { "id": "33", "url": "https://en.wikipedia.org/wiki/Echinoderms" }, "Starfish": { "_meta": { "id": "34", "url": "https://en.wikipedia.org/wiki/Starfish" } }, "Urchins": { "_meta": { "id": "35", "url": "https://en.wikipedia.org/wiki/Urchins" } }, "Sea Cucumbers": { "_meta": { "id": "36", "url": "https://en.wikipedia.org/wiki/Sea Cucumbers" } }, "Crinoids": { "_meta": { "id": "37", "url": "https://en.wikipedia.org/wiki/Crinoids" } } }, "Vertebrates": { "_meta": { "id": "38", "url": "https://en.wikipedia.org/wiki/Vertebrates" }, "Sharks, rays": { "_meta": { "id": "39", "url": "https://en.wikipedia.org/wiki/Sharks, rays" } }, "Ray-fin fishes": { "_meta": { "id": "40", "url": "https://en.wikipedia.org/wiki/Ray-fin fishes" } }, "Tetrapods": { "_meta": { "id": "41", "url": "https://en.wikipedia.org/wiki/Tetrapods" }, "Amphibians": { "_meta": { "id": "42", "url": "https://en.wikipedia.org/wiki/Amphibians" } }, "Reptiles": { "_meta": { "id": "43", "url": "https://en.wikipedia.org/wiki/Reptiles" }, "Turtles": { "_meta": { "id": "44", "url": "https://en.wikipedia.org/wiki/Turtles" } }, "Lizards": { "_meta": { "id": "45", "url": "https://en.wikipedia.org/wiki/Lizards" } }, "Snakes": { "_meta": { "id": "46", "url": "https://en.wikipedia.org/wiki/Snakes" } }, "Crocodiles": { "_meta": { "id": "47", "url": "https://en.wikipedia.org/wiki/Crocodiles" } }, "Dinosaurs": { "_meta": { "id": "48", "url": "https://en.wikipedia.org/wiki/Dinosaurs" }, "Birds": { "_meta": { "id": "49", "url": "https://en.wikipedia.org/wiki/Birds" } } } }, "Mammals": { "_meta": { "id": "50", "url": "https://en.wikipedia.org/wiki/Mammals" }, "Dogs": { "_meta": { "id": "51", "url": "https://en.wikipedia.org/wiki/Dogs" } }, "Bats": { "_meta": { "id": "52", "url": "https://en.wikipedia.org/wiki/Bats" } }, "Humans": { "_meta": { "id": "53", "url": "https://en.wikipedia.org/wiki/Humans" } } } } } } }, "Bacteria": { "_meta": { "id": "54", "url": "https://en.wikipedia.org/wiki/Bacteria" }, "Salmonella": { "_meta": { "id": "55", "url": "https://en.wikipedia.org/wiki/Salmonella" } }, "E.coli": { "_meta": { "id": "56", "url": "https://en.wikipedia.org/wiki/E.coli" } }, "Staphylococcus": { "_meta": { "id": "57", "url": "https://en.wikipedia.org/wiki/Staphylococcus" } } } } |
Note
_meta.idmust be present, but can be null.- Each
_meta.idmust be globally unique. _meta.urlwill become a clickable link, and should represent items in that category so the user merging the tree’s can determine if the items in both nodes are semantically equal.- You can add any amount of
_meta.*keys, as long as the values are strings. This is useful for meta data such as a sum of price, count of items etc. This data is useful when determining the best merge operation for that node.- It could be better to merge a category with few or no items into a parent category in order to show only categories with a meaningful amount of items in the output tree.
The above tree structure in plain text looks like this:
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* Archaeans * Eukayotes * Plants * Green algae * Mosses * Ferns * Conifers * Flowering * Amoebas * Funghi * Mushroom * Yeast * Mold * Animals * Arthropods * Roundworms * Insects * Crustaceans * Spiders * Scorpions * Centipedes * Molluscs * Squids * Octopus * Snails * Clams * Oysters * Brachiopods * Tapeworms * Annelid * Earthworms * Leeches * Echinoderms * Starfish * Urchins * Sea Cucumbers * Crinoids * Vertebrates * Sharks, rays * Ray-fin fishes * Tetrapods * Amphibians * Reptiles * Turtles * Lizards * Snakes * Crocodiles * Dinosaurs * Birds * Mammals * Dogs * Bats * Humans * Bacteria * Salmonella * E.coli * Staphylococcus |