[R] Sp-package overlay

MacQueen, Don m@cqueen1 @end|ng |rom ||n|@gov
Wed Oct 3 18:48:43 CEST 2018


In addition, the function you want is
  sp::over
or its equivalent in sf

--
Don MacQueen
Lawrence Livermore National Laboratory
7000 East Ave., L-627
Livermore, CA 94550
925-423-1062
Lab cell 925-724-7509
 
 

On 10/2/18, 1:41 PM, "R-help on behalf of Ben Tupper" <r-help-bounces using r-project.org on behalf of btupper using bigelow.org> wrote:

    Hi,
    
    I'm pretty sure that what you ask is likely not too hard to do.  On the other hand, I think you will do well to consider the following...
    
    1. Join the mailing list; the folks there will know better what you are trying to do - see
    
    https://stat.ethz.ch/mailman/listinfo/r-sig-geo <https://stat.ethz.ch/mailman/listinfo/r-sig-geo>
    
    
    2. Switch from the sf package to the sf package if you can - see  
    
    https://cran.r-project.org/web/packages/sf/
    
    
    3. Come up to speed with geospatial data handling in R starting here 
    
    https://geocompr.robinlovelace.net/index.html
    
    
    Cheers,
    Ben
    
    
    > On Oct 2, 2018, at 10:33 AM, Ivy Pieters <icwpieters using gmail.com> wrote:
    > 
    > Hey there, 
    > 
    > For my internship I have to work with R. I am working with R for the first
    > time and I don't know much. 
    > Somehow I don't manage to find the answer to my question in google. I think
    > I don't search with the right words, or maybe I just don't understand
    > enough. Anyways, I hope someone here can help me out. 
    > 
    > I have 2 datasets: 
    > 
    > a SpatialPolygonDataFrame, this dataset is called "field" (these are
    > different fields of arable land) 
    > and a SpatialPointsDataFrame, this dataset is called "odk" (these are
    > different soil samples taken in each field) 
    > 
    > The field data set consists of 8 polygons and they have a slot with coords 
    > 
    > The odk data set consists of 537 features (soil samples), these features
    > belong to the polygons but they are all mixed. This dataset also has a slot
    > with coords 
    > 
    > They are both projected in the same coordinate system. 
    > 
    > Now I would like to create a new dataset with a table with the features of
    > odk that belong to polygon 1 and a separate table for the features that
    > belong to polygon 2 etc. The best is if they also get into the
    > spatialpointsdataframe format. 
    > 
    > I really don't know how to do this. I hope someone here can help me out. I
    > hope that I gave enough information for anyone to help me else let me know
    > if I have to tell something more about my datasets. 
    > 
    > Thank you already a lot in advance, 
    > 
    > Hope to hear from anyone soon, 
    > 
    > Kind regards, 
    > 
    > Ivy
    > 
    > ______________________________________________
    > R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
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    > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
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    > 
    
    Ben Tupper
    Bigelow Laboratory for Ocean Sciences
    60 Bigelow Drive, P.O. Box 380
    East Boothbay, Maine 04544
    http://www.bigelow.org
    
    Ecological Forecasting: https://eco.bigelow.org/
    
    
    
    
    
    
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    ______________________________________________
    R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
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    PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
    and provide commented, minimal, self-contained, reproducible code.
    



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