IVisualizationPanelOptions

Visualization Panel configuration. Pass it as the third argument to the VisualizationPanel constructor:

import { VisualizationPanel } from "survey-analytics";

const vizPanel = new VisualizationPanel(
  surveyQuestions,
  surveyResults,
  vizPanelOptions
);

allowChangeAnswersOrder allowDragDrop allowDynamicLayout allowHideEmptyAnswers allowHideQuestions allowSelection allowShowMissingAnswers allowShowPercentages allowTopNAnswers allowTransposeData answersOrder dataProvider defaultChartType hideEmptyAnswers labelTruncateLength layoutEngine percentagePrecision showOnlyPercentages showPercentages stripHtmlFromTitles survey

allowChangeAnswersOrder property

Allows users to sort answers by answer count. Applies only to bar and scatter charts.

This property adds a Sorting dropdown to each bar and scatter chart.

Default value: true

Type:: boolean readonly

Implemented in:: IVisualizationPanelOptions

See also:: answersOrder

allowDragDrop property

Specifies whether users can drag and drop charts. Applies only if allowDynamicLayout is true.

Default value: true

Type:: boolean readonly

Implemented in:: IVisualizationPanelOptions

See also:: layoutEngine

allowDynamicLayout property

Specifies whether to arrange charts based on the available screen space and allow users to reorder them via drag and drop.

If this property is disabled, charts are displayed one under another, and users cannot drag and drop them. If you want to disable only drag and drop, set the allowDragDrop property to false.

Default value: true

View Demo

Type:: boolean readonly

Implemented in:: IVisualizationPanelOptions

See also:: layoutEngine

allowHideEmptyAnswers property

Allows users to hide answers with zero count in bar and scatter charts.

This property adds a Hide Empty Answers button to each bar and scatter chart.

Default value: false

Type:: boolean readonly

Implemented in:: IVisualizationPanelOptions

allowHideQuestions property

Allows users to change the visibility of individual charts.

This property adds a Hide button to each chart.

Default value: true

Type:: boolean readonly

Implemented in:: IVisualizationPanelOptions

allowSelection property

Allows users to cross-filter charts. The filter applies when users select a series point.

Default value: true

Type:: boolean readonly

Implemented in:: IVisualizationPanelOptions

allowShowMissingAnswers property

Allows users to show the number of respondents who did not answer a particular question.

This property adds a Show Missing Answers button to each chart.

Default value: false

Type:: boolean readonly

Implemented in:: IVisualizationPanelOptions

allowShowPercentages property

Allows users to switch between absolute and percentage values in bar charts.

This property adds a Show Percentages button to each bar chart.

Default value: false

Type:: boolean readonly

Implemented in:: IVisualizationPanelOptions

See also:: showPercentages * , showOnlyPercentages * , percentagePrecision

allowTopNAnswers property

Allows users to select whether to show top 5, 10, or 20 answers by answer count.

This property adds a Top N Answers dropdown to each chart.

Default value: false

Type:: boolean readonly

Implemented in:: IVisualizationPanelOptions

allowTransposeData property

Allows users to transpose a visualized matrix question.

This property adds a Transpose button to charts that visualize matrixes. When users select Per Values, matrix rows go to chart arguments and matrix columns form chart series. When users select Per Columns, matrix rows form chart series and matrix columns go to chart arguments.

Default value: false

Type:: boolean readonly

Implemented in:: IVisualizationPanelOptions

answersOrder property

Specifies how to sort answers in bar and scatter charts.

Accepted values:

"default" (default) - Do not sort answers.
"asc" - Sort answers by ascending answer count.
"desc" - Sort answers by descending answer count.

Users can change this property value if you enable the allowChangeAnswersOrder property.

Type:: "default" | "asc" | "desc" readonly

Implemented in:: IVisualizationPanelOptions

See also:: allowChangeAnswersOrder

dataProvider property

A common data provider for all visualizers.

Type:: DataProvider readonly

Implemented in:: IVisualizationPanelOptions

defaultChartType property

Default chart type.

Accepted values depend on the question type as follows:

Boolean: "bar" | "pie" | "doughnut"
Date, Number: "bar" | "scatter"
Matrix: "bar" | "pie" | "doughnut" | "stackedbar"
Rating: "bar" | "scatter" | "gauge" | "bullet"
Radiogroup, Checkbox, Dropdown, Image Picker: "bar" | "pie" | "doughnut" | "scatter"

To set a type for an individual chart, access this chart in the visualizers array and set its chartType property to one of the values described above:

const vizPanel = new SurveyAnalytics.VisualizationPanel( ... );
vizPanel.visualizers[0].chartType = "stackedbar";

Type:: string readonly

Implemented in:: IVisualizationPanelOptions

hideEmptyAnswers property

Hides answers with zero count in bar and scatter charts.

Users can change this property value if you enable the allowHideEmptyAnswers property.

Default value: false

Type:: boolean readonly

Implemented in:: IVisualizationPanelOptions

See also:: allowHideEmptyAnswers

labelTruncateLength property

The number of label characters after which truncation starts.

Set this property to -1 to disable truncation.

Default value: 27

Type:: number readonly

Implemented in:: IVisualizationPanelOptions

layoutEngine property

A layout engine used to arrange charts on the Visualization Panel.

You can use this property to integrate a third-party layout engine with SurveyJS Dashboard.

Type:: LayoutEngine readonly

Implemented in:: IVisualizationPanelOptions

See also:: allowDynamicLayout

percentagePrecision property

Specifies percentage precision.

Default value: 0

Type:: number readonly

Implemented in:: IVisualizationPanelOptions

See also:: allowShowPercentages * , showPercentages * , showOnlyPercentages

showOnlyPercentages property

Specifies whether bar charts display only percentages, without absolute values.

Applies only if the allowShowPercentages or showPercentages property is enabled.

Default value: false

Type:: boolean readonly

Implemented in:: IVisualizationPanelOptions

See also:: allowShowPercentages * , showPercentages * , percentagePrecision

showPercentages property

Specifies whether bar charts display percentages in addition to absolute values.

Users can change this property value if you enable the allowShowPercentages property.

Default value: false

Type:: boolean readonly

Implemented in:: IVisualizationPanelOptions

See also:: allowShowPercentages * , showOnlyPercentages * , percentagePrecision

stripHtmlFromTitles property

Removes HTML tags from survey element titles.

Survey element titles can contain HTML markup and are specified by users. An attacker can inject malicious code into the titles. To guard against it, keep this property set to true.

Default value: true

Type:: boolean readonly

Implemented in:: IVisualizationPanelOptions

survey property

Pass a survey instance to use survey locales in the Visualization Panel.

Type:: SurveyModel readonly

Implemented in:: IVisualizationPanelOptions

IVisualizationPanelOptions

Properties

Methods

Events

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