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Adding contour labels to SpatialLinesDataFrame or sf object?



The Next CEO of Stack OverflowTearing of SpatialLinesDataFrame and problem with gClip functionAutomatically adjusting map labelsExtracting data.frame from simple features object in RR convert sf object back to SpatialPolygonsDataFrameSimplify polygons of sf objectlines of a SpatialLinesDataFrame corresponding to pointsCropping sf object in R?Pattern matching with grepl on SpatialPolygonsDataFrame object in RHow to create and empty SpatialLinesDataFrame in RWarning message in raster::rotate(): “this does not look like an appropriate object for this function”










1















I'd like to add contour labels to a SpatialLinesDataFrame of elevation data at regular intervals. For instance, every 5th contour would get a label corresponding to its value.



I've gone so far as converting this object to a raster through a SpatialPointsDataFrame, interpolating over the raster, and then finally converting to a dataframe for use with the R package metR. It's not pretty, nor is it accurate or fast (but metR is cool):



example



Can I skip all of this by adding contour labels to my SpatialLinesDataFrame (or sf geometry collection of MULTILINESTRING and LINESTRING)? If so, how?










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    1















    I'd like to add contour labels to a SpatialLinesDataFrame of elevation data at regular intervals. For instance, every 5th contour would get a label corresponding to its value.



    I've gone so far as converting this object to a raster through a SpatialPointsDataFrame, interpolating over the raster, and then finally converting to a dataframe for use with the R package metR. It's not pretty, nor is it accurate or fast (but metR is cool):



    example



    Can I skip all of this by adding contour labels to my SpatialLinesDataFrame (or sf geometry collection of MULTILINESTRING and LINESTRING)? If so, how?










    share|improve this question









    New contributor




    dooogan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.






















      1












      1








      1








      I'd like to add contour labels to a SpatialLinesDataFrame of elevation data at regular intervals. For instance, every 5th contour would get a label corresponding to its value.



      I've gone so far as converting this object to a raster through a SpatialPointsDataFrame, interpolating over the raster, and then finally converting to a dataframe for use with the R package metR. It's not pretty, nor is it accurate or fast (but metR is cool):



      example



      Can I skip all of this by adding contour labels to my SpatialLinesDataFrame (or sf geometry collection of MULTILINESTRING and LINESTRING)? If so, how?










      share|improve this question









      New contributor




      dooogan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      I'd like to add contour labels to a SpatialLinesDataFrame of elevation data at regular intervals. For instance, every 5th contour would get a label corresponding to its value.



      I've gone so far as converting this object to a raster through a SpatialPointsDataFrame, interpolating over the raster, and then finally converting to a dataframe for use with the R package metR. It's not pretty, nor is it accurate or fast (but metR is cool):



      example



      Can I skip all of this by adding contour labels to my SpatialLinesDataFrame (or sf geometry collection of MULTILINESTRING and LINESTRING)? If so, how?







      raster r interpolation rgdal sf






      share|improve this question









      New contributor




      dooogan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|improve this question









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      dooogan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      share|improve this question




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      edited yesterday









      Taras

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      2,3283727






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      asked 2 days ago









      dooogandooogan

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      61




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