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Questions - gis

Converting the Coordinate Reference System (CRS) of a Stack of 70+ Raster Files in stack::raster () Format

Issue I have a batch of 70+ raster files with the object name 'ncin_SST' that I created using the function stack::raster() in the raster package. I want to change the coordinate reference system (CRS)...
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Alice Hobbs

r

gis

geospatial

raster

spatial

Votes: 0

Answers: 1

Latest Answer

To open a ncdf file with raster data you can simply do library(terra) x <- rast("filename.nc") if there are multiple variables per file you can select one like this x <- rast("fi...
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Robert Hijmans

How to Calculate Euclidean distance from sf data frame points in R

How do I calculate Euclidean distance in km from a spatial point that has been converted from a geometry column into a data frame. (The points are points which were derived from a spatial join of spat...
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William.G.K

r

dataframe

gis

euclidean-distance

spatial-data

Votes: 0

Answers: 2

Latest Answer

I am not 100% sure but looks like a problem with the coordinate system. I guess the distm()function takes values in degrees for latitude and longitude. Before converting the geometry column to data fr...
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Niranjan Poudel

How to interpolate a multidimensional xarray?

I read a netCDF file using xarray. The dataset contains lat, lon information of the population for the years: 1975, 1990, 2000 and 2015. The dataset looks like the following and I made it also availab...
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emax

python

gis

geospatial

netcdf

Votes: 0

Answers: 1

Latest Answer

You can use xarray's interpolation function. Using your variable names, import pandas as pd # Create time series of 1x a year data # (you can use any date range; you can generate pretty much # any s...
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ks905383

Converting the Coordinate Reference System (CRS) to Create a Spatial Dataframe using SpatialPoints() in the SP Package

Issue: I have a shapefile that I've imported into R and I selected the variables of interest for the analysis that I'm conducting. My ultimate aim is to interpolate the point data (dolphin IDs) to obt...
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Alice Hobbs

r

gis

geospatial

spatial

sp

Votes: 0

Answers: 1

Latest Answer

#Read our shapefile using the function shapefile() from the raster package Points_shp <- shapefile(".", point_ID.shp") Check variable headers head(Points_shp) Select the variables ...
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Alice Hobbs

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