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Results tagged with r
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user 92820
Statistical computing language and software environment.
1
vote
1
answer
122
views
Generate different number of points for multiple features in shapefile using R
I need to do this in R and have some code that does the job. However, it is not very quick and takes almost a day to complete. I am looking for any help in speeding up the process. …
- 264
0
votes
Nearest point to 30 million points using R
If your DT2 dataset has multiple points with the same XY coordinates and you wish all of these to be included in your output (if they are closest to a particular point in DT1) then running this after …
- 264
5
votes
2
answers
462
views
Nearest point to 30 million points using R
I have two point datasets. One with 30 million records and the other with 1.5 million. For each of the 30 million points, I would like to calculate the nearest point(s) from the 1.5 million dataset to …
- 264
1
vote
Accepted
Efficient clipping of polygons by other polygons using R
So I have a solution that uses st_intersects to identify the polygons that intersect the boundary. I then run st_intersection on these polygons only before joining that output with the polygons that d …
- 264
6
votes
1
answer
2k
views
Efficient clipping of polygons by other polygons using R
Is there a way I can complete the task using R in a reasonable time frame? …
- 264
0
votes
2
answers
3k
views
Using R to convert British National Grid to/from WGS84 without creating spatial object
I know using R you can do this in a spatial operation (such as in my example below using sf). …
- 264
2
votes
0
answers
220
views
Exported GeoPackage from R not drawing in ArcMap
I am trying to export multiple layers of point data from R as a single GeoPackage. … below), however when I try and load the resulting GeoPackage into ArcMap (10.6) I get the following pop-up:
Followed by this error:
I've not had this issue before when exporting GeoPackages from R …
- 264
1
vote
2
answers
919
views
Buffer and Dissolve/Union 2 million points
On a much smaller scale (100 points) using R I can do this:
library(sf)
bbox <- st_sfc(st_polygon(list(rbind(c(0,0),c(90,0),c(90,90),c(0,90),c(0,0)))), crs = st_crs(27700))
points <- st_sample(bbox,100 …
- 264