boundary_segments() returns the boundary segments that separate
administrative entities or borders with the Atlantic Ocean in the Azores.
boundary_segments_25N() returns the boundary segments in the meter-based projection PTRA08
/ UTM zone 25N, i.e. those boundary segments in the western-most part of the
archipelago: Ilha das Flores and Ilha do Corvo.
boundary_segments_26N() returns the boundary segments in the meter-based projection PTRA08
/ UTM zone 26N, i.e. those boundary segments in the Central and Eastern groups of
the archipelago.
Usage
boundary_segments(crs = laea_azores_proj())
boundary_segments_25N()
boundary_segments_26N()Arguments
- crs
Coordinate reference system (CRS) passed on to st_transform(). Defaults to a custom CRS centered on the Azores, see
laea_azores_proj()for more details. Other possible options are"EPSG: 3035"for ETRS89-extended / LAEA Europe or"EPSG:4326"for WGS 84.
Value
A simple features (sf) object with seven fields:
idAn unique UUID identifier for the segment.
id_at_rightIdentifier for the entity at the right side of the boundary.
id_at_leftIdentifier for the entity at the left side of the boundary.
is_confirmedBoundary segment whose acceptance by the parties has not yet been officially communicated.
boundary_typeBoundary type: land or coast.
boundary_levelBoundary level: administrative level.
lengthBoundary segment length in kilometers.
Examples
boundary_segments()
#> Simple feature collection with 435 features and 7 fields
#> Geometry type: LINESTRING
#> Dimension: XY
#> Bounding box: xmin: -281288.2 ymin: -170294.3 xmax: 266022.8 ymax: 140634.8
#> Projected CRS: +proj=laea +lat_0=38.5 +lon_0=-28 +datum=WGS84 +units=m +no_defs
#> First 10 features:
#> id id_at_right id_at_left is_confirmed
#> 1 79a78e76-b51a-11ee-a363-e7b43cc53be6 480203 480204 FALSE
#> 2 79a78e6e-b51a-11ee-a363-2391ce4ab53a 480102 99 FALSE
#> 3 79a78e77-b51a-11ee-a363-cba47f6db28f 480101 99 FALSE
#> 4 79a78e60-b51a-11ee-a363-5f2ec40aacd2 480105 480104 FALSE
#> 5 79a78e66-b51a-11ee-a363-df6d1e97b6f5 480106 480103 FALSE
#> 6 79a78e63-b51a-11ee-a363-976ce071c264 480105 480107 FALSE
#> 7 79a78e6a-b51a-11ee-a363-b3e954880b78 480105 480102 FALSE
#> 8 79a78e6c-b51a-11ee-a363-e71e7ba0ed77 480106 480105 FALSE
#> 9 79a78e78-b51a-11ee-a363-efd6747583e6 480203 480101 FALSE
#> 10 79a78e61-b51a-11ee-a363-2fb0cd72c871 480104 99 FALSE
#> boundary_type boundary_level length geometry
#> 1 land 5 3.933896 LINESTRING (-275904.3 11412...
#> 2 coast 3 1.358153 LINESTRING (-281037.5 10791...
#> 3 coast 3 8.515972 LINESTRING (-280613.5 10913...
#> 4 land 5 3.342975 LINESTRING (-278341.5 10159...
#> 5 land 5 5.710350 LINESTRING (-271975.5 10410...
#> 6 land 5 1.612186 LINESTRING (-277962.5 10487...
#> 7 land 5 2.752975 LINESTRING (-277707.5 10633...
#> 8 land 5 2.029468 LINESTRING (-275382.9 10724...
#> 9 land 4 1.194702 LINESTRING (-279720.5 11380...
#> 10 coast 3 8.311823 LINESTRING (-278341.5 10159...
boundary_segments_25N()
#> Simple feature collection with 31 features and 7 fields
#> Geometry type: LINESTRING
#> Dimension: XY
#> Bounding box: xmin: 648953 ymin: 4359450 xmax: 664413.8 ymax: 4399078
#> Projected CRS: PTRA08 / UTM zone 25N
#> First 10 features:
#> id id_at_right id_at_left is_confirmed
#> 1 79a78e76-b51a-11ee-a363-e7b43cc53be6 480203 480204 FALSE
#> 2 79a78e6e-b51a-11ee-a363-2391ce4ab53a 480102 99 FALSE
#> 3 79a78e77-b51a-11ee-a363-cba47f6db28f 480101 99 FALSE
#> 4 79a78e60-b51a-11ee-a363-5f2ec40aacd2 480105 480104 FALSE
#> 5 79a78e66-b51a-11ee-a363-df6d1e97b6f5 480106 480103 FALSE
#> 6 79a78e63-b51a-11ee-a363-976ce071c264 480105 480107 FALSE
#> 7 79a78e6a-b51a-11ee-a363-b3e954880b78 480105 480102 FALSE
#> 8 79a78e6c-b51a-11ee-a363-e71e7ba0ed77 480106 480105 FALSE
#> 9 79a78e78-b51a-11ee-a363-efd6747583e6 480203 480101 FALSE
#> 10 79a78e61-b51a-11ee-a363-2fb0cd72c871 480104 99 FALSE
#> boundary_type boundary_level length geometry
#> 1 land 5 3.933896 LINESTRING (654137.1 437209...
#> 2 coast 3 1.358153 LINESTRING (649354 4365619,...
#> 3 coast 3 8.515972 LINESTRING (649710.2 436685...
#> 4 land 5 3.342975 LINESTRING (652394.7 435945...
#> 5 land 5 5.710350 LINESTRING (658613.6 436230...
#> 6 land 5 1.612186 LINESTRING (652592.2 436275...
#> 7 land 5 2.752975 LINESTRING (652766.4 436422...
#> 8 land 5 2.029468 LINESTRING (655037.9 436525...
#> 9 land 4 1.194702 LINESTRING (650344.1 437156...
#> 10 coast 3 8.311823 LINESTRING (652394.7 435945...
boundary_segments_26N()
#> Simple feature collection with 404 features and 7 fields
#> Geometry type: LINESTRING
#> Dimension: XY
#> Bounding box: xmin: 340225.2 ymin: 4088680 xmax: 676927.7 ymax: 4328069
#> Projected CRS: PTRA08 / UTM zone 26N
#> First 10 features:
#> id id_at_right id_at_left is_confirmed
#> 1 e748fa72-b51c-11ee-a363-fb2e161626db 420204 420404 TRUE
#> 2 f108a5f0-b51b-11ee-a363-0b4741708d0a 430207 430204 FALSE
#> 3 f108a675-b51b-11ee-a363-1f0934833848 470108 99 FALSE
#> 4 f108a5f1-b51b-11ee-a363-6316321cdd58 430114 430118 FALSE
#> 5 e748fa4a-b51c-11ee-a363-d3eb99b0b6b9 420307 420312 TRUE
#> 6 e748fa9b-b51c-11ee-a363-1f313c6d8468 420308 99 TRUE
#> 7 f108a5fc-b51b-11ee-a363-ef6ebf00de6e 430110 430114 FALSE
#> 8 e748fa4d-b51c-11ee-a363-133f6865a6e9 420301 420312 TRUE
#> 9 e748fa5c-b51c-11ee-a363-cb752a0eb160 420507 420510 TRUE
#> 10 f108a679-b51b-11ee-a363-cba67cac0def 470107 470108 FALSE
#> boundary_type boundary_level length geometry
#> 1 land 4 1.0521307 LINESTRING (658386.7 418386...
#> 2 land 5 5.6535874 LINESTRING (494322.6 428420...
#> 3 coast 3 1.7670014 LINESTRING (358612.2 426702...
#> 4 land 5 7.2484001 LINESTRING (478486.8 428490...
#> 5 land 5 2.3889660 LINESTRING (617598.8 417968...
#> 6 coast 3 5.5915585 LINESTRING (619063.3 418784...
#> 7 land 5 3.7559291 LINESTRING (478486.8 428490...
#> 8 land 5 2.5385317 LINESTRING (616433.9 418126...
#> 9 land 5 0.7240755 LINESTRING (636895.5 418204...
#> 10 land 5 2.6172060 LINESTRING (358612.2 426702...