Nevron Vision for SQL Server Reporting Services
Chart / Chart Panels / Charting Types / Bubble Chart
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    Bubble Chart
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    Bubble Charts display multi dimensional data as points in a Cartesian coordinate system. The size of each point is determined by an additional size value. The actual size of the bubble is interpolated to be in the MinSize - MaxSize range (see below). Following is a description of the bubble chart settings:

     Settings
    Sub Type - the following table summarizes the different subtypes of the bubble chart:
    Subtype X Dimension Type Z Dimension Type Data Requirements Description
    First in Chart Next in Chart
    Series Categorical Categorical Y
    Size    		 Y
    Size    		 Shows series behind each other.
    XY Scatter Numeric Categorical Y
    X
    Size    		 Y
    X
    Size    		 Besides the Y value, each data point has a X coordinate at which it is positioned.
    XYZ Scatter Numeric Numeric Y
    X
    Z
    Size    		 Y
    X
    Z
    Size    		 Besides the value, each data point has a X and Z coordinate at which it is positioned in the XZ plane.

    All subtypes support a Label value for each data point. The Y dimension is always Numeric.

    Shape - defines the shape of the bubbles. Possible values are: Bar, Cylinder, Cone, Inverted Cone, Pyramid, Inverted Pyramid, Sphere, Ellipse, Cross, Diagonal Cross, Line Cross, Line Diagonal Cross and Star.

    Min Size - controls the size of the bubble with the smallest Size value. 

    Max Size - controls the size of the bubble with the largest Size value.

     Automatic Data Labels Positioning

    The automatic positioning of data labels is the data point center.

     Automatic Legend Mode

    The automatic legend mode in all subtypes evaluates to series (e.g. the series is displayed in the legend).

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