Figure 1
Map of the Ajuda cemetery with its two parts. On the right is the 18th-century foundation and on the left is the 1940s addition.
Figure 2
Map of the Ajuda cemetery in 1911 by Silva Pinto.
Figure 3
View from one of the streets in 1942 and in 2023 (courtesy of the Lisbon Historical Archive).
Figure 4
Evolution periods of the tombstones (photos by authors).
Figure 5
Line of sight from door 2 looking into tomb D2.
Figure 6
General Betweenness score of the 18th century part of the cemetery.
Figure 7
The 18th century part of Ajuda cemetery heat map with the tombs’ occupation in 1875.
Figure 8
Betweenness score calculated from the node at door 1 (red squares – tombs until 1900; light blue squares – tombs after 1900).
Figure 9
Distinguishable tombs built before 1900.
Figure 10
Line of sight from the cemetery entrance to the distinguishable tombs pre-1900.
Figure 11
Line of sight from the cemetery entrance to the group of tombs B5, all of them dating pre-1875.
Figure 12
1942 entrance of the cemetery with a view of monument B3.
Figure 13
Heat map of the 18th-century part of the Ajuda cemetery with the tombs’ occupation before 1900 and with the viewshed from the entrance to the distinguishable tombs post-1900 (light blue squares).
Figure 14
Betweenness score calculated from both doors (door 1 and door 2) with the distinguishable tombs: red squares – tombs until 1900; light blue squares – tombs after 1900).
Figure 15
The 18th century part of Ajuda cemetery heat map with the tombs’ occupation pre-1900 with the line of sight for tomb D6.
Figure 16
Line of sight from the entrance to the tallest monument in the cemetery.
Figure 17
Betweenness score calculated for the entire cemetery with all the distinguishable tombs (red squares).