All Questions
8
questions
0
votes
1
answer
207
views
Error calculating area of raster with lat/lon projection
I have a global raster stack (of three rasters) whose pixel values are the percent of a land use for that pixel. Here's the raster metadata:
class : RasterBrick
dimensions : 3600, 7200, 25920000,...
- 43
0
votes
0
answers
35
views
How to open a file in R studios (version 4.0.3) from GLODAP?
I'm very new to coding in R and do not know what I am doing. I am trying to map some environmental variables but I cannot open this one file. This is the link to the files I want to open:
https://www....
1
vote
1
answer
223
views
Why is the data is not plotting on top of global map in R?
I am trying to plot annual and decadal difference in sea surface temperature data from the world ocean atlas (https://www.nodc.noaa.gov/cgi-bin/OC5/woa18/woa18.pl) in 1 degree with a netcdf file.
I ...
- 93
4
votes
0
answers
1k
views
saving R' raster to netcdf .nc file with keeping CRS information
I am having a problem while converting a raster object as NetCDF (.nc) file, with keeping the CRS information in the output file.
Here is a reproducible code:
require(raster)
require(ncdf4)
CurrTemp ...
- 498
3
votes
1
answer
1k
views
Aggregating seasonal means with the raster package in r
I am attempting to aggregate daily data (35 years) to monthly then calculate seasonal mean using the raster package in R (I know how to do it with CDO). Below is my code, which outputs 4 seasonal ...
- 37
2
votes
1
answer
3k
views
r read NetCDF and export as shapefile
I need to read a NetCDF file with R and export each time step as a smoothed polygon shapefile.
I have two problems: smoothing the raster and exporting to shapefile with proper projection from the NC ...
- 165
0
votes
1
answer
2k
views
how to make a loop for reading several nc files as a raster and then write them as envi?
This code given below (developed by stackoverflow users) will read a variable from a netcdf file and write it as an envi file.
This code is working fine but I have several netcdf files like this one ...
- 2,503
0
votes
1
answer
495
views
why gdal gave me different max and min values of a variable from R?
These three lines will open and read one variable from a netcdf file:
f=open.ncdf("C:\\BR_Ji1.nc")
A = get.var.ncdf(nc=f,varid="date",verbose=TRUE)
B = get.var.ncdf(nc=f,varid="GPP",verbose=TRUE)
[1] ...
- 125