code: def apply_transformation(self):
      pgl.glLoadIdentity()
      pgl.glTranslatef(self._x, self._y, -self._dist)
      if self._rot is not None:
          pgl.glMultMatrixf(self._rot)
      pgl.glScalef(*self._get_scale())
  
file_path: sympy/sympy/plotting/pygletplot/plot_camera.py
imports: import pyglet.gl
  from sympy.plotting.pygletplot.plot_rotation import get_spherical_rotatation
  from sympy.plotting.pygletplot.util import get_model_matrix, model_to_screen, screen_to_model, vec_subs
label_desc: Use image node_id 8 for calling the PlotCamera obj's underlying member method code with example usage: obj.apply_transformation() without return types