Heat Map


Heat Map is a graphical representation of data where each data value is represented as a color. It enables users to quickly compare large volumes of data and identify anomalies.


../../_images/heatmap.png


Data Fields


The data fields required are:


Field

Multiplicity

Dimension (X-axis)

0 - 1

Comparison (Y-axis)

0 - 1

Measurement

1

Extension

Unlimited


Chart Style


Axis Style


Formats the horizontal and vertical axes of the heat map. You can hide any axis by clicking their respective preview button eye.


Field

Description

Name

Specify the name to be used for the axis label

Dynamic Unit [1]

Select this to automatically use the unit that suits your data values

Label Settings

Choose the type, format and the orientation of the tick mark labels

Axis Font

Styles the font of the tick mark labels

Axis Line

Styles the axis line. Axis line is disabled by default, select preview button eye to enable it.

Grid Line

Styles the grid lines. Grid lines are disabled by default, select preview button eye to enable them.

Show Scalar Bar

Select this to show a bar that can limit the range of data displayed on each axis. This enables you to show only a part of the heat map.

[1] Only available for Y-Axis.


Heat Map Style


Cell Style


Formats the appearance of the heat map cells. Only available in Advanced Mode.


Field

Description

Coloring method
Specify the method to set cell colors for specific values in heat maps, including Gradient and Segmented.

  • Gradient: specify the maximum and minimum displayed values and corresponding colors, and display value distribution with gradient colors. For detailed configuration, see Gradient Coloring Configuration.

  • Segmented: configure the cell colors for each value segment or string separately. or detailed configuration, see Segmented Coloring Configuration.

Color Mapping

Specify the range of data values

Auto

Select this to use the theme color as the color mapping

Border

Configure the style of cell borders. Border is disabled by default, select preview button eye to enable

Mark Min Value

Select this to mark the cell(s) that contain the minimum value with the text “Min”

Mark Max Value

Select this to mark the cell(s) that contain the maximum value with the text “Max”


Gradient Coloring Configuration


Field

Description

Auto

Apply the default gradient effect of the current theme.

Min

Specify the minimum value displayed on the heat map and the corresponding color.

Max

Specify the maximum value displayed on the heat map and the corresponding color.

Segmented Coloring Configuration


Field

Description

Segment

Select the Edit Rule button, and configure the formatting rules for segments.

Matching Type

The object type of each segment, including Value Range (for values) and Matching String (for non-values).

Default Style

The default color of heat map cells (only available for the Value Range type).

Formatting Rules

Select Add to create a formatting rule and specify the value range or string and the corresponding cell color.

Other Settings


Legend Style


Formats the legend. You can hide the legend by clicking preview button eye.


Field

Description

Position

Select the position to display the legend

Legend Font

Configure the font of the legend text

Size

Specify the size of the legend bar. Select Auto to automatically set the optimal size for the legend bar

Sliding Precision
  • Specify the minimum interval to move the scale bar:

    • 0: the minimum interval is “1”

    • 1: the minimum interval is “0.1”

    • 2: the minimum interval is “0.01”

  • The default value is 0