立体?マップ(3D?Map) vs Red Sheet

肉眼の場合は左右の地図を寄り目にして重ねると地図を立体で見ることができますが、練習が必要です。 
簡易型のVRゴーグルなどを使うと立体マップが見やすくなるかもしれません。

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