I'm having difficulty processing external JSON data to build/dispaly a tree. The issue is that nodes are not built from received JSON file. The code only looks as at the JSON data as one object and does not create leafs(other nodes)
When adding the same JSON data as array inside HTML file, the same code creates nodes and displays the tree correctly.
Here is an extract of the code in question:
<body onload="myFunction()">
<script type="text/javascript" >
function myFunction()
{
d3.json("/data/mydata.json", function (error, data) {
var root2 = [data];
root = root2[0];
........... other stuff comes here .....
var nodes = tree.nodes(root.reverse());
The browser debugger gives me the following:
nodes
[Array[1]0: Object
childern: Array[2]
name: "Max"
parent: "null"
proto: Object
depth: 0
length: 1
x: 230
y: 0
proto: Array[0]
JOSN file is at the bottom
I appreciate your feedback in this regard.
[{
"name": "Max",
"parent": "null",
"size": 4938,
"childern": [
{
"name": "David",
"parent": "Max",
"Childern": [
{
"name": "Craig",
"parent": "David",
"size": 3938
},
{
"name": "Robin",
"parent": "David",
"size": 3812
},
{
"name": "Anna",
"parent": "David",
"size": 743
}
]
},
{
"name": "Peter",
"parent": "Max",
"Childern": [
{
"name": "Jeff",
"parent": "Peter",
"size": 3534
},
{
"name": "Buffy",
"parent": "Peter",
"size": 5731
}
]
}
]
}
]
Your external JSON file appears to have the 'children' element with a capital 'C' for the lower tiers of data, but with lower case 'c' at the top tier.
Additionally they were misspelled as 'Childern' which may have been causing problems (you will want to check your JavaScript to see how you spelled it there and make it consistent).
I was able to do a quick experiment with an external JSON file and I can confirm that you will get a problem similar to what you describe. So use lower case characters (or at least consistent characters and spelling) for the word 'children' in your data.
Try with the data per below;
[{
"name": "Max",
"parent": "null",
"size": 4938,
"children": [
{
"name": "David",
"parent": "Max",
"children": [
{
"name": "Craig",
"parent": "David",
"size": 3938
},
{
"name": "Robin",
"parent": "David",
"size": 3812
},
{
"name": "Anna",
"parent": "David",
"size": 743
}
]
},
{
"name": "Peter",
"parent": "Max",
"children": [
{
"name": "Jeff",
"parent": "Peter",
"size": 3534
},
{
"name": "Buffy",
"parent": "Peter",
"size": 5731
}
]
}
]
}
Related
I am taking a Github json file and parsing it with Java's regular expression library JsonPath. I am having a problem parsing arrays that do not have labels.
I need to send a email every time a particular file is changed in our repository.
Here is the Git Json:
{
"trigger": "push",
"payload": {
"type": "GitPush",
"before": "xxxxxxxx",
"after": "yyyyyyyy",
"branch": "branch-name",
"ref": "refs/heads/branch-name",
"repository": {
"id": 42,
"name": "repo",
"title": "repo",
"type": "GitRepository"
},
"beanstalk_user": {
"type": "Owner",
"id": 42,
"login": "username",
"email": "user#example.org",
"name": "Name Surname"
},
"commits": [
{
"type": "GitCommit",
"id": "ffffffff",
"message": "Important changes.",
"branch": "branch-name",
"author": {
"name": "Name Surname",
"email": "user#example.org"
},
"beanstalk_user": {
"type": "Owner",
"id": 42,
"login": "username",
"email": "user#example.org",
"name": "Name Surname"
},
"changed_files": {
"added": [
"NEWFILE",
],
"deleted": [
"Gemfile",
"NEWFILE"
],
"modified": [
"README.md",
"NEWFILE"
],
"copied": [
]
},
"changeset_url": "https://subdomain.github.com/repository-name/changesets/ffffffff",
"committed_at": "2014/08/18 13:30:29 +0000",
"parents": [
"afafafaf"
]
}
]
}
}
This is the expression I am using: to get the commits
$..changed_files
This return the whole changed files part but I can not explicitly choose the name "NEWFILE"
I tried
$..changed_files.*[?(#.added == "NEWFILE")]
$..changed_files.*[?(#.*== "NEWFILE")]
It just returns a empty array.
I just want it to return Newfile and what type of change. Any Ideas?
You can use the following JsonPath to retrieve the commits which list "NEWFILE" as an added file :
$.payload.commits[?(#.changed_files.added.indexOf("NEWFILE") != -1)]
I'm want to make my json to csv so that i can upload it on google sheets and make it as json api. Whenever i have change data i will just change it on google sheets. But I'm having problems on converting my json file to csv because it changes the variables whenever i convert it. I'm using https://toolslick.com/csv-to-json-converter to convert my json file to csv.
What is the best way to convert json nested to csv ?
JSON
{
"options": [
{
"id": "1",
"value": "Jumbo",
"shortcut": "J",
"textColor": "#FFFFFF",
"backgroundColor": "#00000"
},
{
"id": "2",
"value": "Hot",
"shortcut": "D",
"textColor": "#FFFFFF",
"backgroundColor": "#FFFFFF"
}
],
"categories": [
{
"id": "1",
"order": 1,
"name": "First Category",
"active": true
},
{
"id": "2",
"order": 2,
"name": "Second Category",
"shortcut": "MT",
"active": true
}
],
"products": [
{
"id": "03c6787c-fc2a-4aa8-93a3-5e0f0f98cfb2",
"categoryId": "1",
"name": "First Product",
"shortcut": "First",
"options": [
{
"optionId": "1",
"price": 23
},
{
"optionId": "2",
"price": 45
}
],
"active": true
},
{
"id": "e8669cea-4c9c-431c-84ba-0b014f0f9bc2",
"categoryId": "2",
"name": "Second Product",
"shortcut": "Second",
"options": [
{
"optionId": "1",
"price": 11
},
{
"optionId": "2",
"price": 20
}
],
"active": true
}
],
"discounts": [
{
"id": "1",
"name": "S",
"type": 1,
"amount": 20,
"active": true
},
{
"id": "2",
"name": "P",
"type": 1,
"amount": 20,
"active": true
},
{
"id": "3",
"name": "G",
"type": 2,
"amount": 5,
"active": true
}
]
}
Using python, this can be easily done or almost done. Maybe this code will help you in some way to understand that.
import json,csv
data = []
with open('your_json_file_here.json') as file:
for line in file:
data.append(json.loads(line))
length = len(data)
with open('create_new_file.csv','w') as f:
writer = csv.writer(f)
writers = csv.DictWriter(f, fieldnames=['header1','header2'])
writers.writeheader()
for iter in range(length):
writer.writerow((data[iter]['specific_col_name1'],data[iter]['specific_col_name2']))
f.close()
A friend wrote a program in VBA, which generates a json data. I am trying to visualize that data via the pack-layout. We extracted the rules by what the json data is being created from the json data here: http://bl.ocks.org/mbostock/7607535
I went through the data many times myself, I just can't seem to find the problem why it is not being visualized. The browser console claims a problem in line 33 with the token "]" but in my eyes the parenthesis are right and I can't seem to find another mistake.
The visualization works properly with the data from where we extracted the rules.
The question now is, which mistake in the json file prevents the code from being visualized?
Would be amazing if somebody can see this, since we cannot see it. Thanks in advance!
The generated json data looks like this:
{
"name": "While",
"children": [
{"name": "While", "size": 27},
{
"name": "If",
"children": [
{"name": "If", "size": 22},
{
"name": "If",
"children": [
{"name": "If", "size": 3}
]
},
{
"name": "If",
"children": [
{"name": "If", "size": 3}
]
},
{
"name": "If",
"children": [
{"name": "If", "size": 3}
]
},
{
"name": "If",
"children": [
{"name": "If", "size": 3}
]
},
]
},
]
}
You have two commas(,) at the end of some arrays within that JSON of yours - that makes it invalid and prone to errors.
Just edit it and it will work. Use https://jsonformatter.curiousconcept.com/ to check.
The error lies with the script that generates it :)
Here's the fixed version of your JSON:
{
"name": "While",
"children": [{
"name": "While",
"size": 27
}, {
"name": "If",
"children": [{
"name": "If",
"size": 22
}, {
"name": "If",
"children": [{
"name": "If",
"size": 3
}]
}, {
"name": "If",
"children": [{
"name": "If",
"size": 3
}]
}, {
"name": "If",
"children": [{
"name": "If",
"size": 3
}]
}, {
"name": "If",
"children": [{
"name": "If",
"size": 3
}]
}]
}]
}
I want to index & search nested json in solr. Here is my json code
{
"id": "44444",
"headline": "testing US",
"generaltags": [
{
"type": "person",
"name": "Jayalalitha",
"relevance": "0.334",
"count": 1
},
{
"type": "person",
"name": "Kumar",
"relevance": "0.234",
"count": 1
}
],
"socialtags": {
"type": "SocialTag",
"name": "US",
"importance": 2
},
"topic": {
"type": "Topic",
"name": "US",
"score": "0.936"
}
}
When I try to Index, I'm getting the error "Error parsing JSON field value. Unexpected OBJECT_START"
When we tried to use Multivalued Field & index, we couldn't able to search using the multivalued field? Its returning "Undefined Field"
Also Please advice if I need to do any changes in schema.xml file?
You are nesting child documents within your document. You need to use the proper syntax for nested child documents in JSON:
[
{
"id": "1",
"title": "Solr adds block join support",
"content_type": "parentDocument",
"_childDocuments_": [
{
"id": "2",
"comments": "SolrCloud supports it too!"
}
]
},
{
"id": "3",
"title": "Lucene and Solr 4.5 is out",
"content_type": "parentDocument",
"_childDocuments_": [
{
"id": "4",
"comments": "Lots of new features"
}
]
}
]
Have a look at this article which describes JSON child documents and block joins.
Using the format mentioned by #qux you will face "Expected: OBJECT_START but got ARRAY_START at [16]",
"code": 400
as when JSON starting with [....] will parsed as a JSON array
{
"id": "44444",
"headline": "testing US",
"generaltags": [
{
"type": "person",
"name": "Jayalalitha",
"relevance": "0.334",
"count": 1
},
{
"type": "person",
"name": "Kumar",
"relevance": "0.234",
"count": 1
}
],
"socialtags": {
"type": "SocialTag",
"name": "US",
"importance": 2
},
"topic": {
"type": "Topic",
"name": "US",
"score": "0.936"
}
}
The above format is correct.
Regarding searching. Kindly use the index to search for the elements of the JSON array.
The workaround for this can be keeping the whole JSON object inside other JSON object and the indexing it
I was suggesting to keep the whole data inside another JSON object. You can try the following way
{
"data": [
{
"id": "44444",
"headline": "testing US",
"generaltags": [
{
"type": "person",
"name": "Jayalalitha",
"relevance": "0.334",
"count": 1
},
{
"type": "person",
"name": "Kumar",
"relevance": "0.234",
"count": 1
}
],
"socialtags": {
"type": "SocialTag",
"name": "US",
"importance": 2
},
"topic": {
"type": "Topic",
"name": "US",
"score": "0.936"
}
}
]
}
see the syntax in http://yonik.com/solr-nested-objects/
$ curl http://localhost:8983/solr/demo/update?commitWithin=3000 -d '
[
{id : book1, type_s:book, title_t : "The Way of Kings", author_s : "Brandon Sanderson",
cat_s:fantasy, pubyear_i:2010, publisher_s:Tor,
_childDocuments_ : [
{ id: book1_c1, type_s:review, review_dt:"2015-01-03T14:30:00Z",
stars_i:5, author_s:yonik,
comment_t:"A great start to what looks like an epic series!"
}
,
{ id: book1_c2, type_s:review, review_dt:"2014-03-15T12:00:00Z",
stars_i:3, author_s:dan,
comment_t:"This book was too long."
}
]
}
]'
supported from solr 5.3
I have code from example 1.js (link give below)
here that variable json contains json data,instead of specify this data in this file i want to refer from another file which will help me making the protovis treemap dynamic.
I am new to json i don't know how to refer store json data from another file into a variable
full code is available in this link http://thejit.org/static/v20/Jit/Examples/Treemap/example1.js
function init(){
//init data
var json = {
"children": [
{
"children": [
{
"children": [],
"data": {
"playcount": "276",
"$color": "#8E7032",
"image": "http://userserve-ak.last.fm/serve/300x300/11403219.jpg",
"$area": 276
},
"id": "album-Thirteenth Step",
"name": "Thirteenth Step"
},
{
"children": [],
"data": {
"playcount": "271",
"$color": "#906E32",
"image": "http://userserve-ak.last.fm/serve/300x300/11393921.jpg",
"$area": 271
},
"id": "album-Mer De Noms",
"name": "Mer De Noms"
}
],
"data": {
"playcount": 547,
"$area": 547
},
"id": "artist_A Perfect Circle",
"name": "A Perfect Circle"
},
{
"children": [
{
"children": [],
"data": {
"playcount": "209",
"$color": "#AA5532",
"image": "http://userserve-ak.last.fm/serve/300x300/32349839.jpg",
"$area": 209
},
"id": "album-Above",
"name": "Above"
}
],
"data": {
"playcount": 209,
"$area": 209
},
"id": "artist_Mad Season",
"name": "Mad Season"
}
......