Set class from existing measurements in QuPath

setClassFromMeasurements.groovy

import qupath.lib.scripting.QP
import qupath.lib.objects.classes.PathClass

def pathClasses = getQuPath().getAvailablePathClasses()
print(pathClasses)
for (def detection : QP.getDetectionObjects()) {
def measurementList = detection.getMeasurementList()
// if cluster ID is 1, the name will appear as c1
// Change prefix variable to set a diff prefix
def preFix = 'c'
newClassID = preFix+(measurementList.getMeasurementValue("Clusters") as int).toString()
def newClass = PathClassFactory.getPathClass(newClassID)
if (!pathClasses.contains(newClass)){
    pathClasses.add(newClass)}
detection.setPathClass(newClass)
}

// Fire update event
QP.getCurrentHierarchy().fireHierarchyChangedEvent(this)
println("Done")