getParamSize

val = getParamSize ( string Param )

Use this function to retrieve the size of a specified measurement parameter of the vector type.

Arguments

Param

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

Return value

The number of elements in the specified vector parameter. For scalar parameters the function returns 1.

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 collects the line profile from a sample image and reports the size of the profile array.

setCurDir ("samples")

loadIm (1,"sample8.iwd")

setProfile(1,"SH_LINE",10,10,115,210)

measProfile(1)

Print "Profile size: ", getParamSize("Profile")