class_docstr: **Bases:** :class:`GLGraphicsItem <pyqtgraph.opengl.GLGraphicsItem.GLGraphicsItem>`
  
  Displays a 3D triangle mesh. 
docstr: Set the default color to use when no vertex or face colors are specified.
docstr_tok: ["Set","the","default","color","to","use","when","no","vertex","or","face","colors","are","specified","."]
code: def setColor(self, c):
      """Set the default color to use when no vertex or face colors are specified."""
      self.opts["color"] = c
      self.update()
  
file_path: pyqtgraph/pyqtgraph/opengl/items/GLMeshItem.py
imports: from OpenGL.GL import *
  import numpy
  from ...Qt import QtGui
  from ..None import shaders
  from ..GLGraphicsItem import GLGraphicsItem
  from ..MeshData import MeshData
label_desc: Use image node_id 4 for calling the GLMeshItem obj's underlying member method code with example usage: obj.setColor(c) without return types