class_docstr: Visual displaying windbarbs.
code: def _prepare_transforms(self, view):
      xform = view.transforms.get_transform()
      view.view_program.vert["transform"] = xform
  
file_path: vispy/vispy/visuals/windbarb.py
imports: import numpy
  from vispy.color import ColorArray
  from vispy.gloo import VertexBuffer
  from vispy.visuals.shaders import Variable
  from vispy.visuals.visual import Visual
label_desc: Use image node_id 3 for calling the WindbarbVisual obj's underlying member method code with example usage: obj._prepare_transforms(view) without return types