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gIntersection error: linearRing not created
Reprojecting Google Maps (latlong) to Irish Grid TM65 using spTransform in R?Transforming and Projecting Shapefiles in R & ArcGIS for Desktop?Crop a raster by a grid shapefile with different extensions in RProblem points into a shape polygonCRS Projection problems prevent spatial merge in RGetting “Error in par(pin = p)” when using spTransform in RMissing 1.6% of expected area after buffering SpatialPoints from vector of widthsUnexpected output from rasterToPolygon in R raster packageCompute a distance matrix in R with geosphereAddressing Z-dimension discarded when reading in shapefiles from ArcMap to R?
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;
I am trying to do something relatively simple but with large shapefiles. I have a shapefile of protected areas in the USA:
and watershed boundaries:
I want to calculate the percentage and proportion of protected areas in each watershed. I want to retain the designation of each protected area as well (i.e., federal, state, etc.)
To do this I started to try to intersect the two shapefiles:
pas <- readOGR(dsn = ".", layer = "PADUS1_4Combined") # protected areas
huc <- readOGR(dsn = ".", layer = "HUC2_USA_PRJ") # hydrologic units (2 digit, USGS)
Checked the CRS
crs(huc)
crs(pas)
crs(huc)
CRS arguments:
+proj=aea +lat_1=29.5 +lat_2=45.5 +lat_0=23 +lon_0=-96 +x_0=0 +y_0=0 +datum=NAD83 +units=m +no_defs +ellps=GRS80 +towgs84=0,0,0
crs(pas)
CRS arguments:
+proj=aea +lat_1=29.5 +lat_2=45.5 +lat_0=23 +lon_0=-96 +x_0=0 +y_0=0 +datum=NAD83 +units=m +no_defs +ellps=GRS80 +towgs84=0,0,0
Intersection:
test <- gIntersection(pas, huc)
I get this error:
Error in RGEOSBinTopoFunc(spgeom1, spgeom2, byid, id, drop_lower_td, unaryUnion_if_byid_false, :
rgeos_crdMat2LinearRing: linearRing not created
I searched for this error and cannot find anything. I am dealing with a very large dataset here so I am wondering if this is the issue.
Is there a workaround using simple features (sf)?
r sp rgdal sf rgeos
add a comment |
I am trying to do something relatively simple but with large shapefiles. I have a shapefile of protected areas in the USA:
and watershed boundaries:
I want to calculate the percentage and proportion of protected areas in each watershed. I want to retain the designation of each protected area as well (i.e., federal, state, etc.)
To do this I started to try to intersect the two shapefiles:
pas <- readOGR(dsn = ".", layer = "PADUS1_4Combined") # protected areas
huc <- readOGR(dsn = ".", layer = "HUC2_USA_PRJ") # hydrologic units (2 digit, USGS)
Checked the CRS
crs(huc)
crs(pas)
crs(huc)
CRS arguments:
+proj=aea +lat_1=29.5 +lat_2=45.5 +lat_0=23 +lon_0=-96 +x_0=0 +y_0=0 +datum=NAD83 +units=m +no_defs +ellps=GRS80 +towgs84=0,0,0
crs(pas)
CRS arguments:
+proj=aea +lat_1=29.5 +lat_2=45.5 +lat_0=23 +lon_0=-96 +x_0=0 +y_0=0 +datum=NAD83 +units=m +no_defs +ellps=GRS80 +towgs84=0,0,0
Intersection:
test <- gIntersection(pas, huc)
I get this error:
Error in RGEOSBinTopoFunc(spgeom1, spgeom2, byid, id, drop_lower_td, unaryUnion_if_byid_false, :
rgeos_crdMat2LinearRing: linearRing not created
I searched for this error and cannot find anything. I am dealing with a very large dataset here so I am wondering if this is the issue.
Is there a workaround using simple features (sf)?
r sp rgdal sf rgeos
It could be the size of the dataset (you've not said how big it is) or it could be a problem with the geometry of a feature - perhaps a polygon not valid or something. Try it with subsets. Also trysf
and see what happens.
– Spacedman
Apr 3 at 7:12
add a comment |
I am trying to do something relatively simple but with large shapefiles. I have a shapefile of protected areas in the USA:
and watershed boundaries:
I want to calculate the percentage and proportion of protected areas in each watershed. I want to retain the designation of each protected area as well (i.e., federal, state, etc.)
To do this I started to try to intersect the two shapefiles:
pas <- readOGR(dsn = ".", layer = "PADUS1_4Combined") # protected areas
huc <- readOGR(dsn = ".", layer = "HUC2_USA_PRJ") # hydrologic units (2 digit, USGS)
Checked the CRS
crs(huc)
crs(pas)
crs(huc)
CRS arguments:
+proj=aea +lat_1=29.5 +lat_2=45.5 +lat_0=23 +lon_0=-96 +x_0=0 +y_0=0 +datum=NAD83 +units=m +no_defs +ellps=GRS80 +towgs84=0,0,0
crs(pas)
CRS arguments:
+proj=aea +lat_1=29.5 +lat_2=45.5 +lat_0=23 +lon_0=-96 +x_0=0 +y_0=0 +datum=NAD83 +units=m +no_defs +ellps=GRS80 +towgs84=0,0,0
Intersection:
test <- gIntersection(pas, huc)
I get this error:
Error in RGEOSBinTopoFunc(spgeom1, spgeom2, byid, id, drop_lower_td, unaryUnion_if_byid_false, :
rgeos_crdMat2LinearRing: linearRing not created
I searched for this error and cannot find anything. I am dealing with a very large dataset here so I am wondering if this is the issue.
Is there a workaround using simple features (sf)?
r sp rgdal sf rgeos
I am trying to do something relatively simple but with large shapefiles. I have a shapefile of protected areas in the USA:
and watershed boundaries:
I want to calculate the percentage and proportion of protected areas in each watershed. I want to retain the designation of each protected area as well (i.e., federal, state, etc.)
To do this I started to try to intersect the two shapefiles:
pas <- readOGR(dsn = ".", layer = "PADUS1_4Combined") # protected areas
huc <- readOGR(dsn = ".", layer = "HUC2_USA_PRJ") # hydrologic units (2 digit, USGS)
Checked the CRS
crs(huc)
crs(pas)
crs(huc)
CRS arguments:
+proj=aea +lat_1=29.5 +lat_2=45.5 +lat_0=23 +lon_0=-96 +x_0=0 +y_0=0 +datum=NAD83 +units=m +no_defs +ellps=GRS80 +towgs84=0,0,0
crs(pas)
CRS arguments:
+proj=aea +lat_1=29.5 +lat_2=45.5 +lat_0=23 +lon_0=-96 +x_0=0 +y_0=0 +datum=NAD83 +units=m +no_defs +ellps=GRS80 +towgs84=0,0,0
Intersection:
test <- gIntersection(pas, huc)
I get this error:
Error in RGEOSBinTopoFunc(spgeom1, spgeom2, byid, id, drop_lower_td, unaryUnion_if_byid_false, :
rgeos_crdMat2LinearRing: linearRing not created
I searched for this error and cannot find anything. I am dealing with a very large dataset here so I am wondering if this is the issue.
Is there a workaround using simple features (sf)?
r sp rgdal sf rgeos
r sp rgdal sf rgeos
asked Apr 2 at 22:16
EcostriderEcostrider
162
162
It could be the size of the dataset (you've not said how big it is) or it could be a problem with the geometry of a feature - perhaps a polygon not valid or something. Try it with subsets. Also trysf
and see what happens.
– Spacedman
Apr 3 at 7:12
add a comment |
It could be the size of the dataset (you've not said how big it is) or it could be a problem with the geometry of a feature - perhaps a polygon not valid or something. Try it with subsets. Also trysf
and see what happens.
– Spacedman
Apr 3 at 7:12
It could be the size of the dataset (you've not said how big it is) or it could be a problem with the geometry of a feature - perhaps a polygon not valid or something. Try it with subsets. Also try
sf
and see what happens.– Spacedman
Apr 3 at 7:12
It could be the size of the dataset (you've not said how big it is) or it could be a problem with the geometry of a feature - perhaps a polygon not valid or something. Try it with subsets. Also try
sf
and see what happens.– Spacedman
Apr 3 at 7:12
add a comment |
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It could be the size of the dataset (you've not said how big it is) or it could be a problem with the geometry of a feature - perhaps a polygon not valid or something. Try it with subsets. Also try
sf
and see what happens.– Spacedman
Apr 3 at 7:12