measured map; surveyed map
A map created from direct field measurements rather than from existing maps or estimates. Used in surveying, geography, and civil engineering contexts.
This surveyed map was created based on field surveys.
Comparing the measured map with existing maps reveals changes in the terrain.
測量図 is a broader term for a survey map, often used interchangeably with 実測図, but 実測図 emphasizes that the map is based on actual field measurements.
Compound of 実測 (actual measurement) and 図 (map, diagram).