Table 1 Georeferencing of graphical documentation
From: Identifying disappeared historic buildings of port of Callao using georeferencing
Documentary source | Year | Length unit | Equivalency | Accuracy | Figure | |
|---|---|---|---|---|---|---|
Base | Orthophoto of the fortress | 2021 | meters | 1 m | 1 | Fig. 7 |
georeferenced | ‘Plano de la Fortaleza del Real Felipe del Callao, levantado de orden del Señor Don José Ramón Rodil por el Profesor D. Miguel Padilla de Peralta, en tiempo que estaba sitiada por el General enemigo Bolibar[sic], el Año de 1825’ [Plan of the Real Felipe Fortress in Callao, erected by order of Don José Ramón Rodil by Professor D. Miguel Padilla de Peralta, at a time that was besieged by the enemy General Bolívar, the Year 1825] | 1825 | Castilian rod | 0.835905 m | 0.99 | Fig. 5 |
Callao city before the 1746 earthquake | 1900 | French toesas | 1.949 m | 0.97 | Fig. 4 | |
Aerial photography of the port city of Callao | 2000 | meters | 1 m | 1 | Fig. 6 | |