I want to create an angular nvd3 multibar chart using the following json data.
json:
[
{
"ccpProducts": "CME",
"color": "red",
"values": [
{
"dates": "2015-07-01 00:00:00.0",
"noOfTrades": 5281
}
]
},
{
"ccpProducts": "LCH",
"color": "#6b486b",
"values": [
{
"dates": "2015-07-01 00:00:00.0",
"noOfTrades": 5281
}
]
}
]
Since values is an array of objects, you can't access its attributes via their index like you are doing (object properties are not ordered):
// d[0] and d[1] are undefined!
x: function(d){ return new d[0]; },
y: function(d){ return d[1]; }
Instead you should do this:
x: function(d){ return new d['dates']; },
y: function(d){ return d['numOfTrades']; }
You could also transform the format of the data in bar.json.
Related
I am actually new to this highcharts . Been trying to render a line chart . I am facing issues while transforming the data returned by back-end to the data required by highcharts.
Can someone suggest me how to transform the below data object to the data required by line charts.Trying to plot a graph that compares current and previous values
Help would be appreaciated.
Object
{"data":
[
{"currentVal":3488,"prevVal":0,"timestamp":1554181200000},
{"currentVal":3453,"prevVal":3,"timestamp":1554481200000},
{"currentVal":3456,"prevVal":2,"timestamp":1554581200000}
]
}
As per the documnentaion the line charts data accepts the following structure.
"data": [
{
"name": "currentVal",
"data": [ 7,7,8]
},
{
"name": "prevVal",
"data": [1,6,7]
}
]
}
I would want the help in transforming the object that mentioned in the top
The simplest way to transform the object:
var obj = {
data: [{
"currentVal": 3488,
"prevVal": 3000,
"timestamp": 1554181200000
}, {
"currentVal": 3453,
"prevVal": 3123,
"timestamp": 1554481200000
}, {
"currentVal": 3456,
"prevVal": 3341,
"timestamp": 1554581200000
}]
};
Highcharts.chart('container', {
xAxis: {
type: 'datetime'
},
series: [{
name: "currentVal",
data: obj.data.map(elem => [
elem.timestamp, elem.currentVal
])
}, {
name: "prevVal",
data: obj.data.map(elem => [
elem.timestamp, elem.prevVal
])
}]
});
Demo:
https://jsfiddle.net/BlackLabel/y8efg4hx/1/
https://jsfiddle.net/BlackLabel/0fzjsuLw/1/
i am beginner in angular and chartjs. I want to load same data file in different chart. so i create a json file. and i want to load it my chart.
My code is like below
external_data.json
[{
"data": "[13, 22, 30, 40, 50]",
"label": "Africa",
"borderColor": "#3e95cd",
"fill": "false"
}, {
"data": "[47, 14, 37, 67, 80]",
"label": "Asia",
"borderColor": "#8e5ea2",
"fill": "false"
}]
line-chart.component.ts
var ctx = document.getElementById("line-chart");
new Chart(ctx, {
type: 'line',
data: {
labels: [1850, 1900, 1950, 2000, 2050],
datasets: // i want get json here
}
});
this is folder structure
Juse mention the path as follows,
loaddata() {
this.Items = this.http.get("../data/external_data.json")
.map(res => res.json());
}
and assign this.Items to your array
I want to build a combination chart with a column chart with multiple series and a line chart. Problem is that I am getting High charts data from nested JSON response. For that I initialized array and that array is giving in series in plotoptions highcharts as you can see in the below code.
My code is like this:
var crime_data=[];
for(var i=0;i<result.themes.length;i++){
var crime={};
var test2 = result.themes[i];
var test = test2[Object.keys(test2)];
crime.name = Object.keys(result.themes[i]);
crime.data = [];
for(var k=0;k<test.yearTheme.length;k++){
var test3=test.yearTheme[k];
var test5=test3.individualValueVariable;
for(var j=0;j<test5.length;j++){
crime.data.push(test5[j].count);
};
};
crime_data.push(crime);
};
var crimeChart = new Highcharts.Chart({
chart: {
renderTo: 'container1',
type:'column'
},
title: {
text: 'Crime'
},
xAxis: {
categories: month,
crosshair: true
},
yAxis: {
min: 0,
title: {
text: 'Count'
}
},
credits: {
enabled: false
},
tooltip: {
shared: true,
},
plotOptions: {
column: {
pointPadding: 0.2,
borderWidth: 0,
depth: 25,
allowPointSelect: true,
cursor: 'pointer',
point: {
},
}
},
series: crime_data
});
This is Column chart I am getting when i write chart type column.
This is my Line Chart I am getting when i changed type column to spline in chart in highcharts.
And this is my JSON data(Highcharts data):
{
"boundaries": {
"boundary": [
{
"boundaryId": "55083021003",
"boundaryType": "USA_CITY",
"boundaryRef": "C1"
}
]
},
"themes": [
{
"AssaultCrimeTheme": {
"boundaryRef": "C1",
"individualValueVariable": [
{
"name": "2013 Assault Crime",
"description": "Assault Crime for 2013",
"count": 18901
},
{
"name": "2014 Assault Crime",
"description": "Assault Crime for 2014",
"count": 17707
}
]
}
},
{
"BurglaryCrimeTheme": {
"boundaryRef": "C1",
"individualValueVariable": [
{
"name": "2013 Burglary Crime",
"description": "Burglary Crime for 2013",
"count": 17743
},
{
"name": "2014 Burglary Crime",
"description": "Burglary Crime for 2014",
"count": 14242
}
]
}
}
]
}
I want to combine both of them in the same container with same data.The problem is in how to tell highcharts multiple series should be represented with line and with column type with same data.For this when i write series:[{ data: crime_data ,type: spline }] instead of series:crime_data In that case I am not getting Highcharts data. Can anyone Please help me how should i do this.Please suggest me.
Pass your data, like below format. add type of chart in each data series;
Here i replaced type value but with same data.
[{
type: 'line',
name: 'AssaultCrimeTheme',
data: [3, 2, 1, 3, 4]
}, {
type: 'line',
name: 'BurglaryCrimeTheme',
data: [2, 3, 5, 7, 6]
}, {
type: 'column',
name: 'AssaultCrimeTheme',
data: [3, 2, 1, 3, 4]
}, {
type: 'column',
name: 'BurglaryCrimeTheme',
data: [2, 3, 5, 7, 6]
},]
Here is fiddle for more details.
Here is a complete example using your data.
const json = {
"boundaries": {
"boundary": [{
"boundaryId": "55083021003",
"boundaryType": "USA_CITY",
"boundaryRef": "C1"
}]
},
"themes": [{
"AssaultCrimeTheme": {
"boundaryRef": "C1",
"individualValueVariable": [{
"name": "2013 Assault Crime",
"description": "Assault Crime for 2013",
"count": 18901
}, {
"name": "2014 Assault Crime",
"description": "Assault Crime for 2014",
"count": 17707
}]
}
}, {
"BurglaryCrimeTheme": {
"boundaryRef": "C1",
"individualValueVariable": [{
"name": "2013 Burglary Crime",
"description": "Burglary Crime for 2013",
"count": 17743
}, {
"name": "2014 Burglary Crime",
"description": "Burglary Crime for 2014",
"count": 14242
}]
}
}]
}
// Create categories object in order filter duplicates
const cats = {}
const series = json.themes.map((o) => {
const key = Object.keys(o)[0]
return {
name: key,
data: o[key].individualValueVariable.map((o) => {
cats[o.name] = 1
return { category: o.name, y: o.count }
})
}
})
// Convert categories object to array
const categories = Object.keys(cats)
// Chart options
const options = {
chart: {type: 'column'},
xAxis: {categories: categories},
series: series
}
// Create chart
const chart = Highcharts.chart('container', options)
console.log(series, categories)
Live example: https://jsfiddle.net/Lo323gq3/
Output below:
I'm having trouble getting to object in json file.
I'm using
.controller("ListController", ["$scope", "$http", function($scope, $http){
$http.get('../scripts/bbtv.json').success(function(data) {
$scope.artists = data;
});
}])
The data gets in the variable, but I can't access any object of it. Here is part of the json file. For example how to print out {{programmeField.titleField.valueField}} ?
{
"channelField": [
{
"displaynameField": [
{
"valueField": "bTV"
}
],
"idField": "BBTV"
}
],
"programmeField": [
{
"titleField": [
{
"langField": "BULG",
"valueField": "Тази сутрин"
}
],
"subtitleField": [],
"creditsField": {
"moderatorField": [
"Антон Хекимян"
]
},
"categoryField": [
{
"langField": "BULG",
"valueField": "Информационно предаване"
},
{
"langField": "BULG",
"valueField": "Сутрешен блок"
}
],
"languageField": {
"valueField": "BULG"
},
"lengthField": {
"unitsField": 1,
"valueField": "180"
},
"videoField": {
"presentField": "yes",
"colourField": "yes",
"aspectField": "4:3",
"qualityField": "800x600"
},
"audioField": {
"presentField": "yes",
"stereoField": "no",
"dolbyDigitalField": "no",
"dolbySurroundField": "no"
},
"startField": "20151216063000 +0200",
"stopField": "20151216093000 +0200",
"channelField": "BBTV",
"clumpidxField": "0/1",
"_photos": [
{
"_id": "5f38a2ab2fedd6b0e48da60b833bb4ddb69d3a1c",
"_url": "***.jpg",
"_type": "Letterbox"
}
],
"_deleted": false,
"_id": "189397717",
"_contentId": 45207610,
"_broadcastdate": "20151216"
}
}
JSON is a transport format. Once it's decoded, it's a native data structure, like any other structure. Since you're in JS, use JS conventions, and follow the bracketing/bracing. Note the labelling on the objects/arrays below:
data = { "channelField": [
a b
{ "displaynameField": [
c d
{ "valueField": "bTV"
e
}
],
"idField": "BBTV"
data.channelField[0].displaynameField[0].valueField -> "bTV"
a b c d e
Since your "programmeField" and "titleField" are array, use programmeField[0].titleField[0].valueField
In future you can copy your json to http://jsonviewer.stack.hu/ and the click on the Viewer tab.
Try create Leaflet Map with clustering markers in my app. Using for this Angular Leaflet Directive plugin.
It's work with example controller and JSON data, but I have other JSON with other data format and have problem with get lattitude and longitude parameters for creating markers array on my map.
My Controller
app.controller("BasicFirstController", [ "$scope", "$http", function($scope, $http) {
var addressPointsToMarkers = function(points) {
return points.map(function(ap) {
return {
layer: 'realworld',
lat: ap[0],
lng: ap[1],
message: ap[2]
};
});
};
angular.extend($scope, {
center: {
lat: 53.13207624721133,
lng: 26.01689853383789,
zoom: 15
},
events: {
map: {
enable: ['moveend', 'popupopen'],
logic: 'emit'
},
marker: {
enable: [],
logic: 'emit'
}
},
layers: {
baselayers: {
osm: {
name: 'OSM',
url: 'http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',
type: 'xyz'
},
overlays: {
realworld: {
name: "Real world data",
type: "markercluster",
visible: true
}
}
}
});
$http.get("sample.json").success(function(data) {
$scope.markers = addressPointsToMarkers(data);
});
}]);
Work with this JSON format
[
[-37.8839, 175.3745188667, "571"],
[-37.8869090667, 175.3657417333, "486"],
[-37.8894207167, 175.4015351167, "807"],
[-37.8927369333, 175.4087452333, "899"],
[-37.90585105, 175.4453463833, "1273"]
]
Need work with this JSON format
{
"posts": [
{
"ID": "1",
"title": "Title",
"tag": "tag1",
"lat": "53.11691211703813",
"lng": "26.03631556034088",
"thumb": "getImage-24-100x100.jpg",
"fullimg": "getImage-24.jpg",
"imgs": [
{
"imgurl": "getImage-24-300x200.jpg"
}
],
"place": "Place",
"type": "Photo",
"period": "War",
"year": "1985",
"url": "site.com",
"author": "author"
},
{
"ID": "2",
"title": "Title2",
"tag": "tag2",
"lat": "53.11691211703813",
"lng": "26.03631556034088",
"thumb": "getImage-24-100x100.jpg",
"fullimg": "getImage-24.jpg",
"imgs": [
{
"imgurl": "getImage-24-300x200.jpg"
}
],
"place": "Place",
"type": "Photo",
"period": "War",
"year": "1935",
"url": "site.com",
"author": "author"
}
]
}
How get data with lat and lng from JSON for markers array?
Here is what worked for me with a JSON file sent from server, to publish ALL markers at once:
Then with $HTTP I can "get" the data, but you will have to loop through it and push details to a new $scope array:
$scope.markers = []
$http.get('JSONfilePath').then(function (responseData) {
for (var i = 0; i < responseData.data.length; i++){
$scope.markers.push({
lat: responseData.data[i].latitude,
lng: responseData.data[i].longitude
})
}
})
In the HTML file, it's pretty straight forward:
<leaflet lf-center="center" defaults="defaults" markers="markers" width="90%" height="800px"></leaflet>