How does the FME tester evaluate a feature?
The Tester accepts any feature. It evaluates each feature against one or more user-defined tests, and outputs the feature via the Passedport if it meets the defined conditions, or via the Failedport if it fails the defined conditions.
How are test clauses constructed in FME documentation?
The tests are constructed as a series of Test Clauses, which evaluate values or expressions based on a wide range of available Operatorsand test types. The Test Clauses can be combined with AND, OR, or more granularly with a Composite Test. Conditions may also be negated(testing for the opposite result). Creating Test Clauses
Which is the best way to use FME?
Filters features by test conditions to one or more output ports. Concatenates the values of any number of attributes, user parameters a… Replaces substrings matching a string or regular expression in the str… Download our fully-functional FME Desktop trial, free for 30 days. No credit card necessary.
How to calculate FME count for a feature?
You can probably achieve the results you want by aggregating the features and grouping by group_id using the Aggregator transformer. Ensure to store the results into a list. From there, you can analyse the lists using combinations of ListStatisticsCalculator, ListRangeExtractor and Tester transformers.
How to create a test clause in FME?
Depending on the type of test, at a minimum the clause will consist of a Left Valueand an Operator. If the chosen Operator needs more information (for example, testing for an attribute that is greater than certain value), a Right Valuefield is provided. The Test Clauses are created in a table, and numbered sequentially. Left Value Operator
Which is greater than or equal to 9 in FME?
[1,9]Greater than or equal to 1 and less than or equal to 9 (1,9]Greater than 1 and less than or equal to 9 (1,)Greater than 1 [,9]Less than or equal to 9 Note: This operator is not available when Mode is set to Case Sensitive or Case Insensitive, and those modes are not available when the operator is set to In Range.
When does left value begin with right value in FME?
Begins With Tests that the Left Value string begins with the Right Value string. Enter the string to be tested against. In Automatic mode, this operator is case insensitive. This operator is not available in Numeric mode. Example: If Right Value is Do: