Method for determining, using an optronic system, positions in a scene, and associated optronic system

A method of determining at least one position by an optronic system in a scene, the scene comprising reference elements of known geographic coordinates, the optronic system comprising the following elements integrated into said optronic system:

• a. a digital imager,
• b. a memory in which is stored, for at least each reference element of the scene, an indicator representative of said point associated with the geographic coordinates of said point,
• c. a display element for displaying the indicators stored in the memory,
• d. a measurement module comprising at least one element chosen from among:
• a compass, a goniometer and a telemeter,
• e. a calculation unit,
• the method being implemented by the elements integrated in the optronic system and comprising:
• a. a data collection phase relative to at least one reference element of the scene, the collection phase comprising, for each reference element, the steps of:
• i. pointing, by the digital imager, of the reference element in the scene,
• j. acquisition, by the measurement module, of at least one measurement relative to the reference element pointed in the scene following reception of a first acquisition command,
• k. pointing, on the display element, from among the stored indicators, an indicator representative of the reference element pointed in the scene,
• l. acquisition, by the calculation unit, of the geographic coordinates associated with the pointed indicator following reception of a second acquisition command,
• m. storage of a reference datum comprising the at least one acquired measurement and the acquired geographic coordinates,
• b. a phase of determining the position of the optronic system as a function of the reference data stored for the at least one reference element.