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Finding overlapping polygons in two shapefiles and deleting them in R?
Merging more than two shapefiles in QGISHow to merge overlapped shapefiles without one layer's overlapping area?Matching (joining) two slightly incompatible polygon shapefilesCounting polygons in one layer that are overlapping/touching/contained in each polygon in separate layer of contiguous polygons using QGIS?Overlapping polygons in the same table/ layerR- Polygons overlapping PolygonsDeleting overlapping lines using ArcGIS Desktop?ArcMap Way to merge two shapefiles and take the average of their polygons that overlap?Polygon Shapefile Overlap with a RasterCalculating area difference between two polygon shapefiles using QGIS
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I have two shapefiles with more than 1000 polygons each, and they represent two types of agricultural fields in the same area, which means they should be different types.
Some of the polygons are partly or completely overlapped - what I want to do is to delete those polygons - from both shapefiles - that are overlapped. Are there any methods for doing this in R using pachage sf or rgdal?
shapefile r polygon overlapping-features
edited 7 hours ago
PolyGeo♦
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asked 11 hours ago
Julie W.Julie W.
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I have two shapefiles with more than 1000 polygons each, and they represent two types of agricultural fields in the same area, which means they should be different types.
Some of the polygons are partly or completely overlapped - what I want to do is to delete those polygons - from both shapefiles - that are overlapped. Are there any methods for doing this in R using pachage sf or rgdal?
shapefile r polygon overlapping-features
edited 7 hours ago
PolyGeo♦
54.5k17 gold badges84 silver badges255 bronze badges
asked 11 hours ago
Julie W.Julie W.
91 bronze badge
New contributor
Julie W. is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Clarification needed. You have two shapefiles, call them A and B. You want to create two new shapefiles, A' and B' where A' is the set of all features from A that do not touch or overlap or intersect any features in B, and where B' is similar for features in B not overlapping any features in A? Or is there a possibility of features in A overlapping with other features in A?
– Spacedman
10 hours ago
add a comment |
I have two shapefiles with more than 1000 polygons each, and they represent two types of agricultural fields in the same area, which means they should be different types.
Some of the polygons are partly or completely overlapped - what I want to do is to delete those polygons - from both shapefiles - that are overlapped. Are there any methods for doing this in R using pachage sf or rgdal?
shapefile r polygon overlapping-features
edited 7 hours ago
PolyGeo♦
54.5k17 gold badges84 silver badges255 bronze badges
asked 11 hours ago
Julie W.Julie W.
91 bronze badge
New contributor
Julie W. is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
I have two shapefiles with more than 1000 polygons each, and they represent two types of agricultural fields in the same area, which means they should be different types.
Some of the polygons are partly or completely overlapped - what I want to do is to delete those polygons - from both shapefiles - that are overlapped. Are there any methods for doing this in R using pachage sf or rgdal?
shapefile r polygon overlapping-features
shapefile r polygon overlapping-features
edited 7 hours ago
PolyGeo♦
54.5k17 gold badges84 silver badges255 bronze badges
asked 11 hours ago
Julie W.Julie W.
91 bronze badge
New contributor
Julie W. is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited 7 hours ago
PolyGeo♦
54.5k17 gold badges84 silver badges255 bronze badges
asked 11 hours ago
Julie W.Julie W.
91 bronze badge
New contributor
Julie W. is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited 7 hours ago
PolyGeo♦
54.5k17 gold badges84 silver badges255 bronze badges
edited 7 hours ago
PolyGeo♦
54.5k17 gold badges84 silver badges255 bronze badges
edited 7 hours ago
PolyGeo♦
54.5k17 gold badges84 silver badges255 bronze badges
54.5k17 gold badges84 silver badges255 bronze badges
asked 11 hours ago
Julie W.Julie W.
91 bronze badge
New contributor
Julie W. is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 11 hours ago
Julie W.Julie W.
91 bronze badge
asked 11 hours ago
Julie W.Julie W.
91 bronze badge
91 bronze badge
New contributor
Julie W. is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Julie W. is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Clarification needed. You have two shapefiles, call them A and B. You want to create two new shapefiles, A' and B' where A' is the set of all features from A that do not touch or overlap or intersect any features in B, and where B' is similar for features in B not overlapping any features in A? Or is there a possibility of features in A overlapping with other features in A?
– Spacedman
10 hours ago
add a comment |
Clarification needed. You have two shapefiles, call them A and B. You want to create two new shapefiles, A' and B' where A' is the set of all features from A that do not touch or overlap or intersect any features in B, and where B' is similar for features in B not overlapping any features in A? Or is there a possibility of features in A overlapping with other features in A?
– Spacedman
10 hours ago
Clarification needed. You have two shapefiles, call them A and B. You want to create two new shapefiles, A' and B' where A' is the set of all features from A that do not touch or overlap or intersect any features in B, and where B' is similar for features in B not overlapping any features in A? Or is there a possibility of features in A overlapping with other features in A?
– Spacedman
10 hours ago
Clarification needed. You have two shapefiles, call them A and B. You want to create two new shapefiles, A' and B' where A' is the set of all features from A that do not touch or overlap or intersect any features in B, and where B' is similar for features in B not overlapping any features in A? Or is there a possibility of features in A overlapping with other features in A?
– Spacedman
10 hours ago
add a comment |
1 Answer
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Given two sets of features A and B coloured red and blue:
Then select only those from A that don't overlap any B and vice versa:
> Adash = A[lengths(st_intersects(A,B))==0,]
> Bdash = B[lengths(st_intersects(B,A))==0,]
this works by virtue of the element of the intersection list having zero-length when a feature has no intersections.
When plotted:
answered 10 hours ago
SpacedmanSpacedman
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1 Answer
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1 Answer
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Given two sets of features A and B coloured red and blue:
Then select only those from A that don't overlap any B and vice versa:
> Adash = A[lengths(st_intersects(A,B))==0,]
> Bdash = B[lengths(st_intersects(B,A))==0,]
this works by virtue of the element of the intersection list having zero-length when a feature has no intersections.
When plotted:
answered 10 hours ago
SpacedmanSpacedman
27.2k2 gold badges35 silver badges53 bronze badges
add a comment |
Given two sets of features A and B coloured red and blue:
Then select only those from A that don't overlap any B and vice versa:
> Adash = A[lengths(st_intersects(A,B))==0,]
> Bdash = B[lengths(st_intersects(B,A))==0,]
this works by virtue of the element of the intersection list having zero-length when a feature has no intersections.
When plotted:
answered 10 hours ago
SpacedmanSpacedman
27.2k2 gold badges35 silver badges53 bronze badges
add a comment |
Given two sets of features A and B coloured red and blue:
Then select only those from A that don't overlap any B and vice versa:
> Adash = A[lengths(st_intersects(A,B))==0,]
> Bdash = B[lengths(st_intersects(B,A))==0,]
this works by virtue of the element of the intersection list having zero-length when a feature has no intersections.
When plotted:
answered 10 hours ago
SpacedmanSpacedman
27.2k2 gold badges35 silver badges53 bronze badges
Given two sets of features A and B coloured red and blue:
Then select only those from A that don't overlap any B and vice versa:
> Adash = A[lengths(st_intersects(A,B))==0,]
> Bdash = B[lengths(st_intersects(B,A))==0,]
this works by virtue of the element of the intersection list having zero-length when a feature has no intersections.
When plotted:
answered 10 hours ago
SpacedmanSpacedman
27.2k2 gold badges35 silver badges53 bronze badges
answered 10 hours ago
SpacedmanSpacedman
27.2k2 gold badges35 silver badges53 bronze badges
answered 10 hours ago
SpacedmanSpacedman
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answered 10 hours ago
SpacedmanSpacedman
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add a comment |
add a comment |
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Clarification needed. You have two shapefiles, call them A and B. You want to create two new shapefiles, A' and B' where A' is the set of all features from A that do not touch or overlap or intersect any features in B, and where B' is similar for features in B not overlapping any features in A? Or is there a possibility of features in A overlapping with other features in A?
– Spacedman
10 hours ago