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Snap to grid with sf in R
The Next CEO of Stack OverflowHow best to fix a non-noded intersection problem in PostGIS?Create raster with grid cells values based on area covered by polygonsHow to snap a road network to a hexagonal grid in QGIS?How to enable/disable snapping functionality with PyQGIS?Identifying differences in polygons across shape filesLeaflet: Snap to gridOdd output for PostGIS st_snapCreating polygon grid from SpatialPoints in R?PostGIS - Snapping a point to a line doesn't workst_intersection failing for overlapping multipolygons in sfSnapping geometries to a layer without distortion
Is there a snap to grid function available in sf for R similar to ST_SnapToGrid(geometry geomA, float size)in PostGIS? It is mentioned as a solution to non-noded intersection problem for PostGIS and am looking for a solution in R. Using other snap options with just the polygon lead to geometry errors (even with small tolerance).
r snapping sf
edited Feb 4 at 6:30
Aaron♦
38.3k20110256
asked Jan 9 at 21:01
user3386170user3386170
653522
add a comment |
Is there a snap to grid function available in sf for R similar to ST_SnapToGrid(geometry geomA, float size)in PostGIS? It is mentioned as a solution to non-noded intersection problem for PostGIS and am looking for a solution in R. Using other snap options with just the polygon lead to geometry errors (even with small tolerance).
r snapping sf
edited Feb 4 at 6:30
Aaron♦
38.3k20110256
asked Jan 9 at 21:01
user3386170user3386170
653522
Perhaps all coordinates can be rounded to certain precision, for the same effect as ST_SnapToGrid
– Michael Dorman
Feb 3 at 13:17
I'm not sure I understand your suggestion. I ran into errors when I tried to simplify my features as bits of some polygons were missing bits of other polygons orst_snap.
– user3386170
Feb 3 at 19:07
I've posted example below
– Michael Dorman
Feb 4 at 6:20
add a comment |
Is there a snap to grid function available in sf for R similar to ST_SnapToGrid(geometry geomA, float size)in PostGIS? It is mentioned as a solution to non-noded intersection problem for PostGIS and am looking for a solution in R. Using other snap options with just the polygon lead to geometry errors (even with small tolerance).
r snapping sf
edited Feb 4 at 6:30
Aaron♦
38.3k20110256
asked Jan 9 at 21:01
user3386170user3386170
653522
Is there a snap to grid function available in sf for R similar to ST_SnapToGrid(geometry geomA, float size)in PostGIS? It is mentioned as a solution to non-noded intersection problem for PostGIS and am looking for a solution in R. Using other snap options with just the polygon lead to geometry errors (even with small tolerance).
r snapping sf
r snapping sf
edited Feb 4 at 6:30
Aaron♦
38.3k20110256
asked Jan 9 at 21:01
user3386170user3386170
653522
edited Feb 4 at 6:30
Aaron♦
38.3k20110256
asked Jan 9 at 21:01
user3386170user3386170
653522
edited Feb 4 at 6:30
Aaron♦
38.3k20110256
edited Feb 4 at 6:30
Aaron♦
38.3k20110256
edited Feb 4 at 6:30
Aaron♦
38.3k20110256
38.3k20110256
asked Jan 9 at 21:01
user3386170user3386170
653522
asked Jan 9 at 21:01
user3386170user3386170
653522
asked Jan 9 at 21:01
user3386170user3386170
653522
653522
Perhaps all coordinates can be rounded to certain precision, for the same effect as ST_SnapToGrid
– Michael Dorman
Feb 3 at 13:17
I'm not sure I understand your suggestion. I ran into errors when I tried to simplify my features as bits of some polygons were missing bits of other polygons orst_snap.
– user3386170
Feb 3 at 19:07
I've posted example below
– Michael Dorman
Feb 4 at 6:20
add a comment |
Perhaps all coordinates can be rounded to certain precision, for the same effect as ST_SnapToGrid
– Michael Dorman
Feb 3 at 13:17
I'm not sure I understand your suggestion. I ran into errors when I tried to simplify my features as bits of some polygons were missing bits of other polygons orst_snap.
– user3386170
Feb 3 at 19:07
I've posted example below
– Michael Dorman
Feb 4 at 6:20
Perhaps all coordinates can be rounded to certain precision, for the same effect as ST_SnapToGrid
– Michael Dorman
Feb 3 at 13:17
Perhaps all coordinates can be rounded to certain precision, for the same effect as ST_SnapToGrid
– Michael Dorman
Feb 3 at 13:17
I'm not sure I understand your suggestion. I ran into errors when I tried to simplify my features as bits of some polygons were missing bits of other polygons or
st_snap.– user3386170
Feb 3 at 19:07
I'm not sure I understand your suggestion. I ran into errors when I tried to simplify my features as bits of some polygons were missing bits of other polygons or
st_snap.– user3386170
Feb 3 at 19:07
I've posted example below
– Michael Dorman
Feb 4 at 6:20
I've posted example below
– Michael Dorman
Feb 4 at 6:20
add a comment |
2 Answers
2
active
oldest
votes
Rounding coordinates may be equivalent to snapping all of the shapes coordinates to a regular grid.
Before -
> pnt = st_point(c(0,0))
> pol = st_buffer(pnt, 1)
> plot(pol)
After -
> pol[[1]] = round(pol[[1]], 1)
> plot(pol)
answered Feb 4 at 6:19
Michael DormanMichael Dorman
1187
I'll try this later and mark it as accepted once I've checked that it works, but it looks promising!
– user3386170
Feb 4 at 14:31
add a comment |
The R equivalent of the ST_SnapToGrid in PostGIS is in the lwgeom package:
# Snap to grid of 5000 m
lwgeom::st_snap_to_grid(x, 5000)
Works well to solve the non-noded intersection problem, and is quicker than applying a buffer of the same tolerance.
answered 2 days ago
avianattackarmadaavianattackarmada
1212
New contributor
avianattackarmada is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
Rounding coordinates may be equivalent to snapping all of the shapes coordinates to a regular grid.
Before -
> pnt = st_point(c(0,0))
> pol = st_buffer(pnt, 1)
> plot(pol)
After -
> pol[[1]] = round(pol[[1]], 1)
> plot(pol)
answered Feb 4 at 6:19
Michael DormanMichael Dorman
1187
I'll try this later and mark it as accepted once I've checked that it works, but it looks promising!
– user3386170
Feb 4 at 14:31
add a comment |
Rounding coordinates may be equivalent to snapping all of the shapes coordinates to a regular grid.
Before -
> pnt = st_point(c(0,0))
> pol = st_buffer(pnt, 1)
> plot(pol)
After -
> pol[[1]] = round(pol[[1]], 1)
> plot(pol)
answered Feb 4 at 6:19
Michael DormanMichael Dorman
1187
I'll try this later and mark it as accepted once I've checked that it works, but it looks promising!
– user3386170
Feb 4 at 14:31
add a comment |
Rounding coordinates may be equivalent to snapping all of the shapes coordinates to a regular grid.
Before -
> pnt = st_point(c(0,0))
> pol = st_buffer(pnt, 1)
> plot(pol)
After -
> pol[[1]] = round(pol[[1]], 1)
> plot(pol)
answered Feb 4 at 6:19
Michael DormanMichael Dorman
1187
Rounding coordinates may be equivalent to snapping all of the shapes coordinates to a regular grid.
Before -
> pnt = st_point(c(0,0))
> pol = st_buffer(pnt, 1)
> plot(pol)
After -
> pol[[1]] = round(pol[[1]], 1)
> plot(pol)
answered Feb 4 at 6:19
Michael DormanMichael Dorman
1187
answered Feb 4 at 6:19
Michael DormanMichael Dorman
1187
answered Feb 4 at 6:19
Michael DormanMichael Dorman
1187
answered Feb 4 at 6:19
Michael DormanMichael Dorman
1187
1187
I'll try this later and mark it as accepted once I've checked that it works, but it looks promising!
– user3386170
Feb 4 at 14:31
add a comment |
I'll try this later and mark it as accepted once I've checked that it works, but it looks promising!
– user3386170
Feb 4 at 14:31
I'll try this later and mark it as accepted once I've checked that it works, but it looks promising!
– user3386170
Feb 4 at 14:31
I'll try this later and mark it as accepted once I've checked that it works, but it looks promising!
– user3386170
Feb 4 at 14:31
add a comment |
The R equivalent of the ST_SnapToGrid in PostGIS is in the lwgeom package:
# Snap to grid of 5000 m
lwgeom::st_snap_to_grid(x, 5000)
Works well to solve the non-noded intersection problem, and is quicker than applying a buffer of the same tolerance.
answered 2 days ago
avianattackarmadaavianattackarmada
1212
New contributor
avianattackarmada is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
The R equivalent of the ST_SnapToGrid in PostGIS is in the lwgeom package:
# Snap to grid of 5000 m
lwgeom::st_snap_to_grid(x, 5000)
Works well to solve the non-noded intersection problem, and is quicker than applying a buffer of the same tolerance.
answered 2 days ago
avianattackarmadaavianattackarmada
1212
New contributor
avianattackarmada is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
The R equivalent of the ST_SnapToGrid in PostGIS is in the lwgeom package:
# Snap to grid of 5000 m
lwgeom::st_snap_to_grid(x, 5000)
Works well to solve the non-noded intersection problem, and is quicker than applying a buffer of the same tolerance.
answered 2 days ago
avianattackarmadaavianattackarmada
1212
New contributor
avianattackarmada is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
The R equivalent of the ST_SnapToGrid in PostGIS is in the lwgeom package:
# Snap to grid of 5000 m
lwgeom::st_snap_to_grid(x, 5000)
Works well to solve the non-noded intersection problem, and is quicker than applying a buffer of the same tolerance.
answered 2 days ago
avianattackarmadaavianattackarmada
1212
New contributor
avianattackarmada is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
answered 2 days ago
avianattackarmadaavianattackarmada
1212
New contributor
avianattackarmada is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
answered 2 days ago
avianattackarmadaavianattackarmada
1212
answered 2 days ago
avianattackarmadaavianattackarmada
1212
1212
New contributor
avianattackarmada is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
avianattackarmada is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
avianattackarmada is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
add a comment |
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Perhaps all coordinates can be rounded to certain precision, for the same effect as ST_SnapToGrid
– Michael Dorman
Feb 3 at 13:17
I'm not sure I understand your suggestion. I ran into errors when I tried to simplify my features as bits of some polygons were missing bits of other polygons or
st_snap.– user3386170
Feb 3 at 19:07
I've posted example below
– Michael Dorman
Feb 4 at 6:20