class_docstr: Simple monochrome waveform image.
      
class_docstr_tok: ["Simple","monochrome","waveform","image","."]
code: def post_process(self, output=None):
      a = 1
      for x in range(self.image_width):
          self.pixel[x, self.image_height / 2] = tuple(
              map(lambda p: p + a, self.pixel[x, self.image_height / 2])
          )
  
file_path: TimeSide/timeside/plugins/grapher/waveform_simple.py
imports: from timeside.core import implements, interfacedoc
  from timeside.core.api import IGrapher
  from timeside.core.grapher import Grapher
  from .utils import peaks
label_desc: Use image node_id 7 for calling the Waveform obj's underlying member method code with example usage: obj.post_process(output) without return types