| 摘要 |
PROBLEM TO BE SOLVED: To provide a portable type photographing device and photographing program that allow a calibration of a magnetic sensor to be easily executed even under an environment in which a magnetic sensor is inside a moving body such as an aircraft and the like affecting disturbance to a measurement of the magnetic sensor, and allow a photographing direction of a photograph object present in an arbitrary direction and a location thereof to be highly accurately acquired when an operator holds the portable type photographing device with a hand and photographs as measuring an azimuth angle on the basis of geomagnetism.SOLUTION: A portable type photographing device has a configuration to compute an azimuth angle of a photographing direction of a photographing device 10 using a three-axis magnetic field measurement value serving as a magnetic field measurement value measured by a magnetic field measuring instrument 14 and in an orthogonal three-axis direction about geomagnetism, in which a calibration unit 32 is configured to obtain an amount of correction of the magnetic field measurement value about the three-axis measurement value. When a user operates a calibration switch 20s, a calibration instruction unit 34 is configured to instruct a calibration start and a calibration end, and during calibration processing, the aircraft loading a portable type photographing device circles around, and an azimuth angle computation unit is configured to execute a computation of the azimuth angle of the photograph direction using the three-axis magnetic measurement value and the amount of correction of the magnetic measurement value. |
