/usr/share/dx/samples/data/irregular.dx is in dxsamples 4.2.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 | # The following example describes an irregular grid. Note that the values
# of the "positions" component and "connections" component are irregular,
# and so must be enumerated.
#
# The irregular positions, which are 24 three-dimensional points.
object 1 class array type float rank 1 shape 3 items 24 data follows
0 0 0
0 0 1
0 0 2
0 2 0
0 2 1
0 2 2
1 0.841471 0
1 0.841471 1
1 0.841471 2
1 2.841471 0
1 2.841471 1
1 2.841471 2
2 0.9092974 0
2 0.9092974 1
2 0.9092974 2
2 2.909297 0
2 2.909297 1
2 2.909297 2
3 0.14112 0
3 0.14112 1
3 0.14112 2
3 2.14112 0
3 2.14112 1
3 2.14112 2
# The irregular connections, which are 30 tetrahedra
object 2 class array type int rank 1 shape 4 items 30 data follows
10 3 4 1
3 10 9 6
10 1 7 6
6 1 3 10
6 1 0 3
10 1 4 5
5 1 8 10
8 5 2 1
10 8 7 1
5 8 11 10
15 6 9 10
10 6 13 15
13 10 7 6
15 13 12 6
10 13 16 15
17 10 11 8
10 17 16 13
17 8 14 13
13 8 10 17
13 8 7 10
22 15 16 13
15 22 21 18
22 13 19 18
18 13 15 22
18 13 12 15
22 13 16 17
17 13 20 22
20 17 14 13
22 20 19 13
17 20 23 22
attribute "element type" string "tetrahedra"
attribute "ref" string "positions"
# The data, which is in a one-to-one correspondence with the positions
object 3 class array type float rank 0 items 24 data follows
1 3.4 5 2 3.4
5.1 0.3 4.5 1 2.3
4.1 2.1 6 8 9.1
2.3 4.5 5 3 4.3
1.2 1.2 3 3.2
attribute "dep" string "positions"
# the field, with three components: "positions", "connections", and
# "data"
object "irregular positions irregular connections" class field
component "positions" value 1
component "connections" value 2
component "data" value 3
end
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