Re: [R] dissolve tiny polygons to others with unionSpatialPolygons{maptools}

2016-06-06 Thread Kumar Mainali
Thank you, Roger. I cannot fix the upstream processes to eliminate generation of these problems. So, I need to deal with the data I got. I tried various online resources including https://gist.github.com/mstrimas/1b4a4b93a9d4a158bce4 and tried: setScales() set_RGEOS_dropSlivers(TRUE) set_RGEOS_poly

Re: [R] dissolve tiny polygons to others with unionSpatialPolygons{maptools}

2016-06-06 Thread Roger Bivand
On Mon, 6 Jun 2016, Kumar Mainali wrote: I am trying to use unionSpatialPolygons() of maptools to eliminate sliver in species range. I want to dissolve tiny sliver polygons in a shapefile to bigger polygons as "Eliminate (Data Management)" of ArcMap does. Whereas I can dissolve polygons that hav

[R] dissolve tiny polygons to others with unionSpatialPolygons{maptools}

2016-06-05 Thread Kumar Mainali
I am trying to use unionSpatialPolygons() of maptools to eliminate sliver in species range. I want to dissolve tiny sliver polygons in a shapefile to bigger polygons as "Eliminate (Data Management)" of ArcMap does. Whereas I can dissolve polygons that have identical features in the argument "IDs",