class_docstr: Downsample by selecting every Nth sample.
class_docstr_tok: ["Downsample","by","selecting","every","Nth","sample","."]
code: def processData(self, data):
      return data[:: self.ctrls["n"].value()]
  
imports: import numpy
  from ...None import Point, PolyLineROI
  from ...None import functions
  from ...None import metaarray
  from .None import functions
  from .common import CtrlNode, PlottingCtrlNode, metaArrayWrapper
label_desc: Use image node_id 1 for calling the Subsample obj's underlying member method code with example usage: obj.processData(data) and returns: data