A pie chart shows how each part of your data contributes to the whole, making it easy to compare proportions at a glance. You can add data to a pie chart and configure its appearance on a DataV screen.
Prerequisites
You have created a DataV screen. For more information, see Create a data visualization screen.
Example
Data configuration
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In the component library area, under Chart, find the Pie Chart and drag it to the canvas.
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Click Please select a dataset and add data as shown in the following figure.
Additional operations are available:
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Configure field styles in batches (①). For more information, see Configure field styles in batches.
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Filter data (②). For more information, see Filter data.
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Refresh data periodically (③). For more information, see Refresh data periodically.
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Switch the dataset (④). For more information, see Switch a dataset.
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Edit the dataset (⑤). For more information, see Edit a dataset.
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Process data (⑥). For more information, see Create a calculated field, Create a dimension group, and Create a placeholder.
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Duplicate a field (⑦). For more information, see Duplicate a field and convert the field to a dimension.
Chart styles
Position and size
In the configuration panel, adjust the following component settings:
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Adjust the alignment of the component. Options include left, center, and right.
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Set the component's position using its X and Y coordinates. The origin is the top-left corner.
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Set the component's rotation angle.
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Set the component's size using its width (W) and height (H).
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Lock the component to prevent changes to its size and position.
Slice
Configure the appearance of individual slices:
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Set a color for each slice.
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Adjust the radius of the slices by setting the radius ratio.
Legend
Configure the legend display:
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Adjust the position of the legend. Options include Top, Bottom, Left, and Right.
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Adjust the spacing between legend items.
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Set the shape of the legend icons. Options include circle, rectangle, rounded rectangle, or triangle.
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Set the style of the legend text, including color, font size, and bold or italic formatting.
Data labels
Configure data label display and formatting:
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Select the data to display on each slice. Options include: dimension value, measure, and percentage.
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Set the number of decimal places for the percentage to 0, 1, or 2.
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Set the layout of the data labels to horizontal or vertical.
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For vertical layouts, you can align the text left, center, or right.
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Set the style of the data labels, including color, font size, and bold or italic formatting.
