Last Modified Date: 26 Oct 2016
Step 1: Create a Calculated Field to use as our tooltip field
- Select Analysis > Create Calculated Field
- In the Create Calculated Field dialog box, do the following and click OK:
- Name the field. In the example, this field is called "Custom Tooltip for <field name>"
- Create a calculation similar to the following:
IF ZN(AGG()) = 0 THEN "" ELSE "" + STR(AGG()) + CHAR(10) END
- An example might look like the following formula when using the Sample - Superstore datasource:
IF ZN(SUM([Sales])) = 0 THEN "" ELSE "Sales: " + STR(SUM([Sales])) + CHAR(10) END
- This logic first converts all null values to zero, and if the value is equal to zero returns an empty string, otherwise it returns a string value of our tooltip.
- Be sure to match the aggregation to what was used in the view.
- Char(10) is a new line and this will make sense in our next step in order to streamline the tooltip as much as possible. Note: if this is the end of the tooltip the Char(10) is not necessary.
Step 2: Format our Tooltip for desired behavior.
- Drag our newly created calculated field onto the tooltip portion of the marks card.
- Edit our tooltip so that the formatting puts all our custom tooltip calculated fields in one line. For example:
<AGG(Custom Tooltip for some field)><AGG(Custom Tooltip for another field)>
The end result should look streamlined with nothing appearing for values that are null or zero.
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