Contour

Contour plots are a way to show a three-dimensional surface on a two-dimensional plane.

Set up

1. Add a data source.

2. Define the X- and Y-Axis to plot.

3. Shading is defined by the Z-axis and the color gradient. Use the Tick interval to set the gap in the number of display labels for the z-axis.

Basics

Data Source

Data sources

Show Scale Bar

Display scale for the response (contour) variable, Z-axis.

Type

Select between contour or heatmap

X-, Y- and Z-Axis

Column

Select data column from Data Source.

Type

Select axis type: linear, category or date; category and date are only available for heatmap Type contour charts.

Use Range

Min

Max

Set axis range values, axis will default to data range if not set.

Z-axis

Determines the line interpolation and contour colors as defined by range Min and Max, or default data minimum and maximum.

Title

Label

Label Size

Give axis a name and set the font size.

Layout

Background

Set color background of chart

Top

Bottom

Left

Right

Set chart margins (pixels)

Pad

Set central chart image padding (pixels)

Contour Palette

Sets the number of colors used in the range; range values will be spread evenly across the number of defined colors.

Show Annotation

Adds overlay of contour values

Tick Interval

Define tick label frequency on gradient bar.

Tooltip

Show Tooltip

Default to display of x-, y- and z-axis (shade) values; defined in Custom Tooltip.

Custom Tooltip

Create a custom tooltip; default sample tooltip used by Show Tooltip.

Image

Source

Replace map with an image sourced from an URL. Can be a view state parameter

Style, Margins, Format

Line Smoothing

Determines line smoothing; a value of zero reflects no smoothing, 100 is maximum smoothing.

Style for common settings