code: def __init__(self, parent):
      self._parent = parent
      self._pos_vbo = gloo.VertexBuffer()
      self._color_vbo = gloo.VertexBuffer()
      self._connect_ibo = gloo.IndexBuffer()
      self._connect = None
  
      Visual.__init__(
          self,
          vcode=self._shaders["vertex"],
          fcode=self._shaders["fragment"],
      )
      self.set_gl_state("translucent")
  
imports: from __future__ import division
  from functools import lru_cache
  import numpy
  from ...None import gloo, glsl
  from ...color import Color, ColorArray, get_colormap
  from ..shaders import Function
  from ..visual import Visual, CompoundVisual
  from ...util.profiler import Profiler
  from .dash_atlas import DashAtlas
label_desc: Use image node_id 1 to create a new _GLLineVisual object from inherited base classes: Visual with example: obj = _GLLineVisual(parent)