Questions tagged [spdf]
11 questions
3
votes
1 answer
Aggregating all SpatialPolygonsDataFrame objects from list into one SpatialPolygonsDataFrame
Not looking to editing topology, merely aggregating all polygons into one sp object of type SpatialPolygonsDataFrame (spdf). There is only one polygon per spdf.
Data (dropbox link to data) (filesize 1.1KB) ( dput() not appropriate in this instance):…
jpinelo
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3
votes
1 answer
How to subset polygons using distance in a SPDF
Ok. So, I am learning and made a very similar question when I hadn't learnt what a Spatial Polygons Data Frame was about 10 days ago: Select raster in ggplot near coastline.
Now, I have discovered the magic of SPDF and choropleth maps and have in…
delcast
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2
votes
1 answer
set automatic colors levels in .filled.contour ? (kriging)
I have a hard time to automatically create colors using filled.contour displaying kriging plot, avoiding specifying levels().
I can plot my results and see the legend, but why my colors are repetitive? Thus, why interval 4.5 - 5.0 has the same color…
maycca
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1
vote
1 answer
How to convert data.frame to SpatialPolygonsDataFrame
Maybe it is something simple but I am stumped right now.
I have a SpatialPolygonsDataFrame which I extract the data columns and transform it into a standard dataframe. Then, I round the data. But, when I want to insert the data already rounded back…
Ricardo Miranda
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1
vote
0 answers
Can't figure out how to plot data in leaflet r with a gall-stereographic projection
I have a spatial polygons data frame whose coordinates I've transformed into gall-stereographic type. But I can't map that spdf with leaflet() now. I'm not sure whether it's a problem with the resolutions I'm providing (because I have no clue what…
Gabriel Petrov
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1
vote
1 answer
Concurrency with scala.sys.process.ProcessBuilder
I'm using sPdf's run method to render HTML as a PDF file.
run uses scala.sys.process.ProcessBuilder and it's ! method:
/** Starts the process represented by this builder, blocks until it exits, and
* returns the exit code. Standard output and…
tgk
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0
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0 answers
Click on a spatialpolygons map and get details in R
I would like to be able to click on a specific location (cell polygon) and store details in order to investigate the relation between some of my variables.
Is it possible with shapefile?
I can not export the spatialPolygonsDataframe (dput does not…
Myr TH
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0
votes
2 answers
How can I obtain cell values and coordinate data from a (.tif) raster when R rasterToPoints function is not working?
I am interested in extracting the cell values alongside their corresponding x and y coordinates from a tif file accessible from the WorldPop database [ https://hub.worldpop.org/geodata/summary?id=49920 ].
I have converted this file alongside other…
Mikin
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0
votes
1 answer
Convert from spatialpixeldataframe to estUD
In short: I have a spatialpixeldataframe of a utilization distribution of an animal across a grid (udspdf) which I need to convert to estUD-class.
Background to how I got there: After calculating the KDE of a single animal, I then need to convert…
user303287
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0
votes
2 answers
Can I extract raster pixel frequencies, polygon by polygon, one at a time and save, to avoid overloading my RAM in R?
I need to extract the pixel frequencies from raster by SapatialPolygonsDataFrame, but my raster is a large volume of data and my personal computer was unable to calculate it.
So, if there is any way to stipulate in the code that each polygon of my…
Kledson Lemes
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0
votes
1 answer
Can you combine polygons within a SpatialPolygonsDataFrame by values in the dataframe?
I am trying to use the Australian Bureau of Statistics shapefile for Remoteness 2016 - downloading the ESRI shapefile.
I want to combine all of the polygons that are no Major Cities of Australia.
library(rgdal)
library(dplyr)
RA_2016 <- readOGR(".",…
Novo88
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