parameters: (self, pixel, depth)
return_statement: return scale * bearing
docstring: Project a pixel to a fronto-parallel plane at a given depth.
docstring_summary: Project a pixel to a fronto-parallel plane at a given depth.
docstring_tokens: Project a pixel to a fronto - parallel plane at a given depth .
function: def back_project(self, pixel, depth):
          """Project a pixel to a fronto-parallel plane at a given depth."""
          bearing = self.pixel_bearing(pixel)
          scale = depth / bearing[2]
          return scale * bearing
function_tokens: def back_project ( self , pixel , depth ) : bearing = self . pixel_bearing ( pixel ) scale = depth / bearing [ 2 ] return scale * bearing