Parameter

Description

Custom Features

Displays a list of the created custom features.

Name

Displays the name of the created custom feature.

+
Add

Adds a new custom feature that can be defined with the options on the right side.


Delete

Deletes the currently selected feature.

Define Custom Feature

Name

Defines the name of the feature.

Unit

Specifies the unit of the feature as free text input. This input is optional.

Define Operands

Displays and defines the operands used for the calculation of the custom feature.

Operand

Displays the name of the operand.

Class

Selects the class that is used for the definition of the operand. For a single region class, also the classes of the children can be selected.

Feature

Displays all available predefined measurement features for the selected class and selects which measurement feature should be used for the definition of the current operand. If you activate the checkbox behind the selection dropdown, the selected feature is also set visible in the result table.

Expression

Displays the expression of the Operand(s) defined by the Class and Feature selection.

+
Add

Adds a new operand to the list.


Delete

Deletes the currently selected operand.

Define Custom Expression

Defines the mathematical calculation of the feature, using the Operands and mathematical operators, e.g. 100*(a/b+Math.Pow(c,2)).

+

Adds the mathematical operator for summation to the calculation.

-

Adds the mathematical operator for subtraction to the calculation.

*

Adds the mathematical operator for multiplication to the calculation.

/

Adds the mathematical operator for division to the calculation.

Pow

Adds the mathematical operator to calculate the power of a certain base value. Note that this operator requires two input values (the base and power value) separated by a comma, e.g. Math.Pow (2,3), which corresponds to 23.

Sqrt

Adds the mathematical operator to calculate the square root of a value.

Abs

Adds the mathematical operator to return the absolute number, i.e. non negative values.

PI

Adds a mathematical operator for Pi.

Verify Expression

Checks the syntax of the Expression.

OK

Adds the defined custom features and closes the dialog.

Cancel

Closes the dialog without saving the changes.