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Setting Data Source Using URL

FusionCharts lets you pass the complete JSON/XML chart data as a static string to the dataSource attribute. Alternatively, you can also save the chart data in a .json or .xml file and then pass the relative URL of this file as value to the dataSource attribute.

The only difference between the two methods is the value that is passed to the dataFormat attribute. For the first method, the dataFormat attribute takes json or xml as values, depending on the chart data. For the second method, the values will be jsonurl and xmlurl.

This article explains how you can set the chart data using the URL of the corresponding file.

Load data using JSON as URL

Let's build the same revenue chart which we built in the first example using JSON, and use a .json file as the data source.

FusionCharts will load here..

The data for this chart is represented in the table below:

Country No. of Oil Reserves
Venezuela 290
Saudi 260
Canada 180
Iran 140
Russia 115
UAE 100
US 30
China 30

The JSON representation for the above table looks as shown below:

{
    // Chart Configuration
    "chart": {
        "caption": "Countries With Most Oil Reserves [2017-18]",
        "subCaption": "In MMbbl = One Million barrels",
        "xAxisName": "Country",
        "yAxisName": "Reserves (MMbbl)",
        "numberSuffix": "K",
        "theme": "fusion",
    },
    // Chart Data
    "data": [{
        "label": "Venezuela",
        "value": "290"
    }, {
        "label": "Saudi",
        "value": "260"
    }, {
        "label": "Canada",
        "value": "180"
    }, {
        "label": "Iran",
        "value": "140"
    }, {
        "label": "Russia",
        "value": "115"
    }, {
        "label": "UAE",
        "value": "100"
    }, {
        "label": "US",
        "value": "30"
    }, {
        "label": "China",
        "value": "30"
    }]
}

Copy this into a file, name it oilReserves.json, and store it in the same folder as your HTML page.

If you are using multilingual characters in your JSON, make sure that you save the JSON data with UTF-8 encoding.

The code to render the above chart is given below:

// Include the core fusioncharts file from core  -
import FusionCharts from 'fusioncharts/core';

// Include the chart from viz folder
// E.g. - import ChartType from fusioncharts/viz/[ChartType]
import Column2D from 'fusioncharts/viz/column2d';

// Include the fusion theme
/import FusionTheme from 'fusioncharts/themes/es/fusioncharts.theme.fusion'

// Add the chart and theme as dependency
// E.g. FusionCharts.addDep(ChartType)
FusionCharts.addDep(Column2D);
FusionCharts.addDep(FusionTheme);

// Create an Instance with chart options
var chartInstance = new FusionCharts({
    type: 'Column2D',
    width: '700', // Width of the chart
    height: '400', // Height of the chart
    dataFormat: 'jsonurl',
    dataSource: 'https://static.fusioncharts.com/sample/oilReserves.json'
});
// Render
chartInstance.render();

The above chart has been rendered using the following steps:

  1. Included the necessary libraries and components using import. For example, fusioncharts library, etc.

  2. Stored the chart configuration in a JSON object. In the JSON object:

    • The chart type has been set to column2d. Find the complete list of chart types with their respective alias here.
    • The width and height of the chart has been set in pixels.

  3. To set the datasource using URL:

    • The value of the dataFormat has been set to jsonurl.
    • A static URL has been set to dataSource to render the above chart.

  4. Add a container (instance) for the chart.

When rendering your charts locally (without a web server, even if on the localhost), you will not be able to load data from XML or JSON files present on your hard-drive. This is due to security restrictions enforced by most modern browsers.

Load data using XML as URL

The XML representation for the above chart looks as shown below:

<chart caption='Countries With Most Oil Reserves [2017-18] ' subcaption='In MMbbl = One Million barrels ' xaxisname='Country ' yaxisname='Reserves (MMbbl) ' numberprefix='K ' theme='fusion '>
    <set label='Venezuela ' value='290 ' />
    <set label='Saudi ' value='260 ' />
    <set label='Canada ' value='180 ' />
    <set label='Iran ' value='140 ' />
    <set label='Russia ' value='115 ' />
    <set label='UAE ' value='100 ' />
    <set label='US ' value='30 ' />
    <set label='China ' value='30 ' />
</chart>

Copy this into a file called oilReserves.xml and store it in the same folder as your HTML page.

If you are using multilingual characters in your XML, make sure you save the XML data with UTF-8 encoding.

The code to render the above chart is given below:

// Include the core fusioncharts file from core  -
import FusionCharts from 'fusioncharts/core';

// Include the chart from viz folder
// E.g. - import ChartType from fusioncharts/viz/[ChartType]
import Column2D from 'fusioncharts/viz/column2d';

// Include the fusion theme
/import FusionTheme from 'fusioncharts/themes/es/fusioncharts.theme.fusion'

// Add the chart and theme as dependency
// E.g. FusionCharts.addDep(ChartType)
FusionCharts.addDep(Column2D);
FusionCharts.addDep(FusionTheme);

// Create an Instance with chart options
var chartInstance = new FusionCharts({
    type: 'Column2D',
    width: '700', // Width of the chart
    height: '400', // Height of the chart
    dataFormat: 'xmlurl',
    dataSource: 'https://static.fusioncharts.com/sample/oilReserves.xml'
});
// Render
chartInstance.render();

The above chart has been rendered using the following steps:

  1. Included the necessary libraries and components using import. For example, fusioncharts library, etc.

  2. Stored the chart configuration in an XML object. In the XML object:

    • The chart type has been set to column2d. Find the complete list of chart types with their respective alias here.
    • The width and height of the chart has been set in pixels.

  3. To set the datasource using URL:

    • The value of the dataFormat has been set to jsonurl.
    • A static URL has been set to dataSource to render the above chart.

  4. Add a container (instance) for the chart.