Sorts features by a specific column and extracts the top x percent
Examples
mifFile <- system.file(
"extdata", "testdata", "barnsbury",
"barnsbury_small_axial_original.mif",
package = "alcyon"
)
sfMap <- st_read(mifFile,
geometry_column = 1L, quiet = TRUE
)
shapeGraph <- as(sfMap, "AxialShapeGraph")
shapeGraph <- allToAllTraverse(
shapeGraph,
traversalType = TraversalType$Topological,
radii = c("n", "3"),
includeBetweenness = TRUE
)
getTopFeatures(shapeGraph, "Connectivity", 0.1)
#> Simple feature collection with 6 features and 28 fields
#> Geometry type: LINESTRING
#> Dimension: XY
#> Bounding box: xmin: 973 ymin: -2058 xmax: 1359 ymax: -1581
#> CRS: NA
#> Depthmap_Ref Connectivity Data_Map_Ref Line_Length
#> 17 16 7 16 213.8832
#> 4 3 8 3 210.3450
#> 6 5 8 5 145.4648
#> 20 19 9 19 226.0022
#> 10 9 10 9 273.1483
#> 13 12 12 12 193.4942
#> geometry Data Map Ref Line Length Choice Choice R3
#> 17 LINESTRING (1236 -1847, 127... 16 213.8831 327 116
#> 4 LINESTRING (1200 -1581, 127... 3 210.3450 515 179
#> 6 LINESTRING (1223 -1898, 126... 5 145.4648 529 219
#> 20 LINESTRING (973 -1752, 1199... 19 226.0022 445 179
#> 10 LINESTRING (988 -1876, 1261... 9 273.1483 724 268
#> 13 LINESTRING (1167 -1874, 135... 12 193.4942 593 304
#> Choice [Norm] Choice [Norm] R3 Entropy Entropy R3 Harmonic Mean Depth
#> 17 0.2048872 0.1171717 1.973692 1.460506 5.223067
#> 4 0.3226817 0.1349925 1.758874 1.463609 14.419703
#> 6 0.3314536 0.1651584 1.731490 1.433642 14.256503
#> 20 0.2788221 0.2294872 2.044582 1.536169 5.368661
#> 10 0.4536341 0.2021116 1.864475 1.511067 4.842767
#> 13 0.3715539 0.2812211 1.941796 1.550662 20.000000
#> Harmonic Mean Depth R3 Integration [HH] Integration [HH] R3
#> 17 16.04494 2.105129 2.527273
#> 4 18.51018 2.361852 2.543419
#> 6 18.11097 2.548314 2.793591
#> 20 16.57253 1.936718 2.447779
#> 10 20.46512 2.482972 2.748533
#> 13 20.00000 2.420898 2.956538
#> Integration [P-value] Integration [P-value] R3 Integration [Tekl]
#> 17 0.5558915 0.7177534 0.7369218
#> 4 0.6236832 0.6906281 0.7561645
#> 6 0.6729213 0.7585587 0.7694319
#> 20 0.5114202 0.7217177 0.7235790
#> 10 0.6556669 0.7463239 0.7648444
#> 13 0.6392753 0.8283008 0.7604254
#> Integration [Tekl] R3 Intensity Intensity R3 Mean Depth Mean Depth R3
#> 17 0.7713465 1.257958 1.244135 2.614035 2.222222
#> 4 0.7702533 1.259441 1.175322 2.438596 2.288461
#> 6 0.7878321 1.339019 1.266384 2.333333 2.173077
#> 20 0.7673109 1.197836 1.340062 2.754386 2.200000
#> 10 0.7847281 1.404410 1.312894 2.368421 2.192308
#> 13 0.8015020 1.425622 1.519016 2.403509 2.063830
#> Node Count Node Count R3 Relativised Entropy Relativised Entropy R3
#> 17 58 46 1.641994 1.710227
#> 4 58 53 1.662805 1.783778
#> 6 58 53 1.593437 1.692109
#> 20 58 41 1.723361 1.641913
#> 10 58 53 1.526621 1.657888
#> 13 58 48 1.524789 1.500373