Questions tagged [rgeo-shapefile]
The rgeo-shapefile tag has no usage guidance.
rgeo-shapefile
32
questions
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Install 'rgeos' package in R4.3.2
I am trying to install 'rgeos' package in R4.3.2, but i got this error (Error in install.packages : object 'rgeos' not found). any ideas?
install rgeos' package in R4.3.2. This Package ‘rgeos’ was ...
- 3
0
votes
2
answers
197
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Error combining multiple spatRaster files along time dimension
I am working with temperature data from PRISM. Thus far, I have been able to download data for individual days, then crop to shape files, and extract information accordingly.
However, I am looking to ...
- 15
1
vote
1
answer
95
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Error cropping stars object to US census shape file
I am working with a stars object containing temperature data from PRISM. The stars object contains daily temperature values for each latitude and longitude coordinate. However, I am trying to crop to ...
- 15
0
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0
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38
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Changing Shapefiles structure for tmap in R
I would like to know if changing shapefile specifications is possible.
I'm trying to create a map witht the tmap package in R.
If I look for the shapefiles in national websites. I can't find the one ...
- 43
0
votes
1
answer
52
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Combine units in a shapefile while keeping others granular
I have a 5-digit postcode shapefile for Germany. Big number 1-digits postcodes are similar to German states. I read shapefile data with rgdal thus having a SpatialPolygonsDataFrame. I have only data ...
- 2,727
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1
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204
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st_buffer with geometry sfc_POINT
I'm working with geospatial data and for one part of the analysis I need to use coordinate points of regions that I get from an excel and turn that data into sf object using st_as_sf. When I tried to ...
- 35
0
votes
1
answer
344
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Dissolving polygons by distance - R
I'm quite new to geospatial analysis in R and need help with dissolving polygons based on their location.
I have a shapefile with about 1500 polygons. Each polygon has a property code. There are a ...
5
votes
1
answer
719
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Check polygon intersection in R: sf::intersects incorrectly returns TRUE result while rgeos::gIntersects correctly returns FALSE
I'm trying to check whether two polygons intersect in R. When plotting, they clearly do not. When checking the intersection, rgeos::gIntersects() currently returns FALSE, while sf::intersects() ...
- 398
0
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1
answer
65
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r buffering line feature causes crash
I am try to select points in an area around the former Iron Curtain.
So I got the shapefiles and intersected former Eastern and Western Europe to get a line feature
library(raster)
library(sp)
library(...
- 546
0
votes
1
answer
3k
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Can no longer install rgeos and rgdal in R
I cannot install rgeos or rgdal packages in R version 4.1.3. These packages worked fine a month ago before I reformatted my computer and reinstalled R.
This is what I have tried:
install.packages('...
- 135
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0
answers
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Invalid geometry using ´sf´ in R
I am working with several messy polygon dataset in R, analysing thir overlap. I keep using st_make_valid() and st_buffer(., 0), even between operations, which makes it work most of the time, but not ...
0
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1
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extend (buffer) boundary of shape file in R
I need to extend the boundary of a field (only boundary) by x meters. I tried using gBuffer from rgeos R package - output of the transformation gives me only boundary of the field and rest polygons ...
- 817
2
votes
1
answer
2k
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shapefiles: convert Point (MultiPoint) to Point (PointZ) geometry in R
I have a shapefile (mult_point_example.shp) in a multipoint geometry:
# Packages
require(sf)
# get AOI
download.file(
"https://github.com/Leprechault/trash/raw/main/mult_point_example.zip"...
- 1,707
3
votes
2
answers
239
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rgeos::gBuffer shrink without loss of points
I need to be able to shrink a polygon of lat/lon data without loss of points; more the point, I need the points to be effectively "smooshed" in the correct direction. Typically, gBuffer ...
- 159k
1
vote
1
answer
731
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How to plot different district names on shapefile in R?
I have shapefile of my study area "Gilgit Baltistan". I want to plot names of districts on map(shapefile)
Using this code I can plot study area map. How can I show names of districts on this ...
- 21