The top management of the Bakufu was greatly surprised at the high quality of the very accurate and precise maps which were drawn on the basis of local survey unlike the previous maps of Japan and decided to strengthen support for INO's survey operations.
従来の日本地図とは異なり、実測を元にした非常に正確・精密な地図の質の高さに幕府上層部も大いに驚き、伊能の測量事業への支援を強化することとなる。