Bubble Chart

Bubble Chart allows you to compare large number of data points represented as bubbles and showcase the difference through its size. The bubble chart requires two values per data point. By default, bubble chart display data points as circles.

Add chart to the report

These types of charts are categorized under the Distribution category in item panel.

Drag and drop bubble chart from the item panel into design area.

Now, the bubble chart will be rendered in the design area and the chart properties will be listed in properties panel.

Create data

To present data in the chart, create a dataset and bind data to the chart data region. In this designing section, the following dataset query is used for dataset creation.

SELECT PC.Name AS ProdCat, PS.Name AS SubCat, DATEPART(yy, SOH.OrderDate) AS OrderYear, 'Q' + DATENAME(qq, SOH.OrderDate) AS OrderQtr,SUM(SOD.UnitPrice * SOD.OrderQty) AS Sales
FROM Production.ProductSubcategory PS INNER JOIN
Sales.SalesOrderHeader SOH INNER JOIN
Sales.SalesOrderDetail SOD ON SOH.SalesOrderID = SOD.SalesOrderID INNER JOIN
Production.Product P ON SOD.ProductID = P.ProductID ON PS.ProductSubcategoryID = P.ProductSubcategoryID INNER JOIN
Production.ProductCategory PC ON PS.ProductCategoryID = PC.ProductCategoryID
WHERE (SOH.OrderDate BETWEEN '1/1/2002' AND '12/31/2003')
GROUP BY DATEPART(yy, SOH.OrderDate), PC.Name, PS.Name, 'Q' + DATENAME(qq, SOH.OrderDate), PS.ProductSubcategoryID

Refer Create Data section and create dataset using the above query. AdventuresWorks database is used here.

Assign data

Bubble chart requires 3 fields (x, y and size) to plot a point. Here, size is used to specify the size of each bubble segment.

To configure data into bubble chart follow the below steps:

To bind data to a chart report item placed in the design area, focus on that report item.

Click Properties icon in the configuration panel, the property pane opens. Now, switch to DATA tab.

The available data in the report will be listed in the drop-down, choose a data in the drop-down list.

The numeric columns and numeric expressions are listed under the Measures section; other type of columns and dimension expressions are listed under the Dimensions section.

Drag and Drop Measure Element: Select and drag the numeric column (measure element) or the numeric expression column from the Measure section and drop it in the Y Values section.

You can add multiple numeric columns in the Y-value section.

Aggregate Options: Click the Settings icon (highlighted below) to open the aggregation type drop-down list.

You can set the aggregation type by which you can compute the selected column.

Expression field :

You can set the expression by which you want to visualize data in the bubble chart. Click the Settings icon (highlighted below) to open the aggregation type drop-down list.

Then click on the Expression menu to open the expression editor.

In expression editor, provide the required expression and click OK.

Now, the label in Y-Value section for the respective field will be displayed with <<Expr>> tag.

Drag and Drop Dimension Element: Select and drag the dimension element from the Dimensions section to measure against any of the selected numeric column(s) in Y Value(s) section, and drop into the Column section.

Grouping: You can group the added column element with another column, by adding the respective dimension element into Row(s) section.

Now, the chart design will look like below.

Size: The Bubble size can be defined by adding a value into the Size section

Format bubble chart

You can format the bubble chart for better illustration of the view that you require, through the settings available in Properties tab.

To format bubble chart follow the below steps:

1. Drag and drop the bubble chart into design area and resize it to required size.
2. Configure the data to the bubble chart.
3. Focus on the bubble chart and click Properties icon in the configuration panel, the property pane opens.

You can see the list of properties available for the widget with default value.

Name

Name property can be used to provide an unique name to the chart item in the report.

Basic Settings

Show Legend

A Legend is a text used to describe the data plotted. This allows you to toggle the visibility of legend in chart and also you can customize the legend text appearance. To set/reset legend properties, refer Show Legend property.

Choose Series

You can add multiple series to the chart and the available series will be listed in the Choose Series drop-down. To customize the series appearance choose the required series name in the drop-down.

Refer Series section, to customize each series using the properties panel.

Appearance

The border style, color, width and background color properties can be used to style the chart and customize its appearance in the report design. These properties are listed under the Appearance category in the properties panel.

Chart Area

Chart Area properties such as border width, color, and background color can be used to customize the area of the chart design.

These properties are listed under Chart Area category.

Use Color Palette property to customize the color of the chart.

Title

The chart title can be customized by editing the Title Text property of the chart.

To show/hide the chart title, toggle the Show Chart Title checkbox.

Using these properties the font color, font text, font style, border, background and position of the title can be customized in the chart design.

No Data

No Data property is used to display static text when dataset results with a empty or zero rows at run time.

To set/reset no data message properties, refer No Data Message property section.

Category Axis

Category axis displays the text labels instead of numbers. To use the categorical axis, toggle the Enable Axis checkbox under Category Axis category in the chart properties.

To set/reset axis properties, refer Axis Properties property.

Value Axis

Value axis uses numerical scale and displays numbers as labels. To use the value axis, toggle the Enable Axis checkbox under Value Axis category in the chart properties.

To set/reset axis properties, refer Axis Properties property.

Grid line

The Grid line properties can be set to category and value axis.

Category Axis

To show the grid line for category axis, enable the Category Axis checkbox.

You can also enable the Minor Grid Lines and customize the major and minor gridline style and color in the Advanced Options menu.

Value Axis

To show the grid line for value axis, enable the Value Axis checkbox.

You can also enable the Minor Grid Lines and customize the major and minor gridline style and color in the Advanced Options menu.

Page break

The page break property can be used to control the amount of information on each page when you preview the report. Follow the below steps to apply page break property for chart report item.

1. The Break Location property specifies where the page break should occur. Choose any Break Location type in the drop-down.

2. To prevent predefined page breaks from being applied during report preview, enable the Break Disabled property checkbox. You can also control the application of page breaks during report preview by using expressions. For details on setting and resetting page breaks dynamically, refer to the Set Expression and Reset Expression sections.

   

3. To restart page numbering on each page, enable the Page Number Reset property checkbox.

Data Element

Data element can be used to control visibility of a report item when exporting the report in XML format. The Data element properties are listed in the properties panel, under the Data Element category.

Name

You can assign a custom name for the chart element using the Name field. The chart report item will be exported with the provided name.

Note: The name cannot contain spaces, and it must begin with a letter followed by letters, numbers, or the underscore character (_).

Output

On exporting the report, the visibility of the chart can be controlled using the Output property. Choosing the following options for the Output property will perform the respective operations:

• Auto or Output - Exports the chart report item
• NoOutput - Does not export the chart report item

Miscellaneous

Page name

The page name property is used to name the first worksheet of the Excel workbook, when exporting the report to excel format.

You can set the static or dynamic text as page name. To set and reset dynamic text, refer Set Expression and Reset Expression section.

Document Map

A document map is a navigational feature that displays a separate side pane with set of navigational links in hierarchical structure when you view a report. A user can click the content in the list, to navigate to the report page that displays that item. Refer Document Map section to configure document map in the report design.

You can set the static or dynamic text as value for document map property. To set and reset dynamic text, refer Set Expression and Reset Expression section.

Bookmark

Bookmark links allows the users to navigate to different parts of a SSRS report. You can add bookmarks to each textbox, image, table or chart or to the unique group values displayed in a tablix which can direct the users to specified locations in the report. The value of bookmark property can be your own strings or an expression. Refer Bookmark section to configure bookmark in the report design.

You can set the static or dynamic text as value for bookmark property. To set and reset dynamic text, refer Set Expression and Reset Expression section.

Custom attributes

This property can be used to set the values for chart custom properties. To create and assign values for custom properties using properties panel refer Custom Properties section.

Tooltip

Tooltip property can be used to display informative text or value, when the user hovers over on the report item in report preview. To set tooltip for chart item using properties panel refer Tooltip section.

Preview report

1. The final report design looks like below.
2. Now, the report preview can be visualized like below.

Download the above report design from link.