class_docstr: Return the input data passed through an unsharp mask.
class_docstr_tok: ["Return","the","input","data","passed","through","an","unsharp","mask","."]
code: def __init__(self, name):
      ## Define the input / output terminals available on this node
      terminals = {
          "dataIn": dict(
              io="in"
          ),  # each terminal needs at least a name and
          "dataOut": dict(
              io="out"
          ),  # to specify whether it is input or output
      }  # other more advanced options are available
      # as well..
  
      CtrlNode.__init__(self, name, terminals=terminals)
  
file_path: pyqtgraph/pyqtgraph/examples/FlowchartCustomNode.py
imports: import numpy
  import pyqtgraph
  import pyqtgraph.flowchart.library
  from pyqtgraph.flowchart import Flowchart, Node
  from pyqtgraph.flowchart.library.common import CtrlNode
  from pyqtgraph.Qt import QtWidgets
label_desc: Use image node_id 1 to create a new UnsharpMaskNode object from inherited base classes: CtrlNode with example: obj = UnsharpMaskNode(name)