code: def _prepare_transforms(self, view):
      # Note we use the "additive" GL blending settings so that we do not
      # have to sort the mesh triangles back-to-front before each draw.
      tr = view.transforms
      view_vert = view.view_program.vert
      view_vert["visual_to_doc"] = tr.get_transform(
          "visual", "document"
      )
      view_vert["doc_to_visual"] = tr.get_transform(
          "document", "visual"
      )
      view_vert["doc_to_render"] = tr.get_transform(
          "document", "render"
      )
  
imports: from vispy import app, gloo, visuals, scene, io
label_desc: Use image node_id 2 for calling the MyMeshVisual obj's underlying member method code with example usage: obj._prepare_transforms(view) without return types