message: Added Image1d alias for the depthbuffer
diff: @@ -115,6 +115,7 @@ public:
  // Note: The num_channels number needs to be repeated, not so nice.
  using Image3u = Image<std::array<std::uint8_t, 3>, 3>;
  using Image4u = Image<std::array<std::uint8_t, 4>, 4>;
  +using Image1d = Image<double, 1>;
  } /* namespace core */
  } /* namespace eos */
  