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CRS()
I am trying to understand why
> crs = CRS(SRS_string = 'EPSG:28992') Warning message: In showSRID(SRS_string, format = "PROJ", multiline = "NO", prefer_proj = prefer_proj) : Discarded datum Amersfoort in Proj4 definition
still emits a warning. What should we do to get rid of this warning? I'm not trying to show the SRID by way of a PROJ4 string, right?
The text was updated successfully, but these errors were encountered:
While at it, I'm also still struggling to understand this difference:
> pt = SpatialPoints(matrix(c(200000,500000),1), proj4string = CRS(SRS_string="EPSG:28992")) Warning message: In showSRID(SRS_string, format = "PROJ", multiline = "NO", prefer_proj = prefer_proj) : Discarded datum Amersfoort in Proj4 definition > spTransform(pt, CRS("+proj=longlat")) SpatialPoints: coords.x1 coords.x2 [1,] 6.049692 52.48586 Coordinate Reference System (CRS) arguments: +proj=longlat +datum=WGS84 +no_defs > spTransform(pt, CRS("+proj=longlat +ellps=WGS84")) SpatialPoints: coords.x1 coords.x2 [1,] 6.050224 52.48689 Coordinate Reference System (CRS) arguments: +proj=longlat +ellps=WGS84 +no_defs Warning message: In showSRID(uprojargs, format = "PROJ", multiline = "NO", prefer_proj = prefer_proj) : Discarded datum Unknown based on WGS84 ellipsoid in Proj4 definition
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Hey Edzer,
Have you ever find an explanation for that warning? I've got the same warning using CRS() function.
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I am trying to understand why
still emits a warning. What should we do to get rid of this warning? I'm not trying to show the SRID by way of a PROJ4 string, right?
The text was updated successfully, but these errors were encountered: