getParamValue

val = getParamValue (string Param, [ integer Index =0 ] )

Use this function to retrieve the value of a specified measurement parameter for the last measured object. Typically applied after a measurement function called in the single measure mode.

Arguments

Param

A string specifying the name of the measurement parameter whose value is to be retrieved. See selectParam for the list of parameters supported by ImageWarp.

Index

An optional integer specifying the index of an element to be retrieved from a vector parameter. This argument is ignored for scalar parameters.

Default value: 0

Return value

The value of the specified parameter.

Error flags

ERR_OK

The flag set if successful.

ERR_FAILED

The flag set if failed.

Remark

To retrieve the measurement data from the Global Grid, use the Grid object.

Example

This set of statements measures the histogram of a sample image and retrieves the 128-th element of the histogram array:

setCurDir ("samples")

loadIm (1,"sample8.iwd")

measHistogram(1)

val=getParamValue("Histogram", 128)

Print "128-th bin: ",val