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Borders and Backgrounds

A chart's background refers to the whole area on which it is drawn, and it is enclosed by the chart border, the rectangle around a chart's background.

Border and Background

Show/Hide Chart Borders

By default, the chart borders are visible for 2D charts. To hide the chart border, set the showBorder attribute to 0. Set this attribute to 1 (default) to show the border around the canvas of the chart.

Refer to the code below:

{
    "chart": {
        "showBorder": "1",
    }
}

The chart without border will look like as shown below:

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Click here to edit the above chart.

Customize Chart Borders

To customize the chart border, the following attributes are used:

  • Specify the hex code of the border color using the borderColor attribute.

  • Set the thickness of the border using the borderThickness attribute.

  • Set the transparency of the border using the borderAlpha attribute.

Refer to the code below:

{
    "chart": {
        "borderColor": "#666666",
        "borderThickness": "4",
        "borderAlpha": "80"
    }
}

The chart will look like as shown below:

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Click here to edit the above chart.

Customize Chart Background

To customize the chart background, the following attributes are used:

  • Set the hex code of the color of the background using the bgColor attribute.

  • Set the transparency of the background using the bgAlpha attribute.

Refer to the code below:

{
    "chart": {
        "bgColor": "#DDDDDD",
        "bgAlpha": "50"
    }
}

The chart will look like as shown below:

FusionCharts will load here..

Click here to edit the above chart.

Use Gradient Background

When using a gradient fill for the background, you can configure three aspects:

  • Set gradient transparency

  • Set ratio of color distribution

  • Set the gradient angle

To do so, the following attributes are used:

  • Set the hex codes of the gradient colors separated by a comma using the bgColor attribute.

  • Set the transparency of the background using the bgAlpha attribute.

  • Set the radius of each color in the gradient using the bgRatio attribute.

  • Set the angle in degrees of each color using the bgAngle attribute.

Refer to the code below:

{
    "chart": {
        "bgColor": "EEEEEE,CCCCCC",
        "bgratio": "60,40",
        "bgAlpha": "70,80",
        "bgAngle": "180"
    }
}

The chart will look like as shown in the image below:

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Click here to edit the above chart.

Use External Image

You can specify an external image (GIF, JPEG or PNG only) as the background of the chart. Use the bgImage attribute to specify the URL of the external image as shown in the code below:

{
    "chart":{
        "bgImage":"http://upload.wikimedia.org/wikipedia/commons/7/79/Misc_fruit.jpg"
    }
}

The chart will look like as shown below:

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Click here to edit the above chart.

Customize Background Image

You can even customize the external image rendered as the chart background. To do so, the following attributes are used:

  • Set the transparency level of the background image using the bgImageApha attribute.

  • Specify a display mode using the bgImageDisplayMode attribute. Possible values are stretch, tile, fit, fill, center and none.

  • Set the alignment of the image using the bgImageHAlign and the bgImageVAlign attributes. Possible values for these attributes are top, middle and bottom.

  • Increase or decrease the scale of the image using the bgImageScale attribute.

Refer to the code below:

{
    "chart":{
        "bgImage":"pizza.jpg",
        "bgImageAlpha":"30",
        "bgImageScale":"50",
        "bgImageVAlign":"bottom",
        "bgImageHAlign":"middle",
        "bgImageDisplayMode":"center",
    }
}

The chart will look like as shown in the image below:

FusionCharts will load here..

Click here to edit the above chart.

Note that alignment attributes are ignored for center and stretch display modes and bgImageScale attribute works only for none, center and tile display modes.