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Word cloud chart options

Word cloud visualizations can be used to highlight popular values or show the frequency of text data using font size and color.

Word cloud charts require exactly one dimension and one measure. More dimensions or measures prevent the visualization from rendering.

To create a word cloud visualization, click the ellipsis (…) in the Visualization bar and choose Word Cloud. Click the gear in the upper right corner of the visualization tab to format your visualization.

This example shows the popularity of clothing categories based on the amount of clothing sold in each category, using the Category dimension and the Order Count measure from the Order Items Explore:

The Fashion Hoodies & Sweatshirts category is the most popular value; it is assigned the first color in the palette and displays with a larger font size than the other values in the chart. The Shorts and Active categories are the second and third most popular categories; they take on the second and third colors in the palette and display with larger font sizes than less popular values.

Style menu options

Colors

You can define the color palette for a chart in the Color Configuration section.

Collection

A collection lets you create themed visualizations and dashboards that look good together. All of Looker's built-in color collections appear on the Color collections documentation page. Your Looker admin may also create a custom color collection for your organization.

You can choose a color collection from the Collection drop-down menu. The Palette section will update with a palette from your chosen color collection.

Palette

Once you've selected a color collection, you can choose a different palette from the collection, or customize your palette, by clicking the color palette itself. This opens the palette picker and displays all of the palettes from the collection.

Colors are assigned to each series in order. For a categorical palette, the first color in the palette is assigned to the first series, and so on. For a sequential or diverging palette, the color at the left end of the palette is assigned to the first series and the colors for each remaining series move to the right on the palette. If your query returns more data series than colors listed, the colors repeat from the beginning of the palette, first as a lighter version of each color, then as a darker version of each color.

Creating a custom color palette

To create a custom color palette, select the Custom tab on the palette picker. You can edit your palette in several ways:

To change a selected color, or edit all colors at once, input hex strings, such as #2ca6cd, or CSS color names, such as mediumblue, into the color value box at the bottom of the picker.

To bring up a color picker to select a color, click the color wheel to the right of the color value box. The corresponding hex value for that color appears in the color value box:

If you click EDIT ALL, the color value box populates with the hex codes of the color palette you've chosen or customized. Copying and pasting this list is the best way to copy custom color palettes from one chart to another.

Reverse colors

You can reverse the colors used on a palette. For a categorical palette, this applies the last color in the palette to the first series, the second-to-last color in the palette to the second series, and so on. For a sequential or diverging palette, this applies the color at the right end of the palette to the first series and move left on the palette for the remaining series.

Rotate Text

By default, the words in a word cloud visualization display both horizontally and vertically (see the introductory section for an example). To display all text horizontally, disable the Rotate Text option in the Style menu for the visualization.

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