R stars package and set dimensions to a NetCDF fileGDAL and reprojecting a NetCDF fileTransforming and...
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R stars package and set dimensions to a NetCDF file
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Related: GDAL and reprojecting a NetCDF file
Following above, I would like to reproject a NetCDF ( NOAA GOES-16 file ) using R stars package.
However, I have been unsuccessful at the first step; I mean, unable to assign original CRS information to the file.
Parameters I want to assign were obtained by gdalinfo:
Proj.4 string = "+proj=geos +lon_0=-75 +h=35786023 +x_0=0 +y_0=0 +ellps=GRS80 +units=m +no_defs +sweep=x"
Origin = (-3627271.328111211769283,1583173.512170388596132)
Pixel Size = (1002.008657743770527,1002.008657743770527)
My failed R code is:
library(stars) # stars package 0.3-0
nc1= "./OR_ABI-L1b-RadC-M3C01_G16_s20190611802132_e20190611804505_c20190611804549.nc"
(nc1_s1= read_stars(nc1, along= c("DQF", "Rad")))
crs_proj4 = "+proj=geos +lon_0=-75 +h=35786023 +x_0=0 +y_0=0 +ellps=GRS80 +units=m +no_defs +sweep=x"
nc1_out = st_set_dimensions(nc1_s1,
offset= c(-3627271.328111211769283, 1583173.512170388596132),
delta= c(1002.008657743770527, 1002.008657743770527),
refsys= c(crs_proj4, crs_proj4)
)
nc1_out
As my code did not take effect, both nc1_s1 (input to st_set_dimensions()) and nc1_out (its output) show the same dimensions as below.
stars object with 2 dimensions and 2 attributes
attribute(s), summary of first 1e+05 cells:
X..DQF X..Rad
Min. : 0.0 Min. : 157.0
1st Qu.: 0.0 1st Qu.: 256.0
Median : 0.0 Median : 329.0
Mean : 36.5 Mean : 408.8
3rd Qu.: 0.0 3rd Qu.: 396.0
Max. :255.0 Max. :1023.0
dimension(s):
from to offset delta refsys point values
x 1 5000 NA NA NA NA NULL [x]
y 1 3000 NA NA NA NA NULL [y]
How can I set dimensions to NetCDF using stars package?
r stars
asked 7 mins ago
KazuhitoKazuhito
16k41883
add a comment |
Related: GDAL and reprojecting a NetCDF file
Following above, I would like to reproject a NetCDF ( NOAA GOES-16 file ) using R stars package.
However, I have been unsuccessful at the first step; I mean, unable to assign original CRS information to the file.
Parameters I want to assign were obtained by gdalinfo:
Proj.4 string = "+proj=geos +lon_0=-75 +h=35786023 +x_0=0 +y_0=0 +ellps=GRS80 +units=m +no_defs +sweep=x"
Origin = (-3627271.328111211769283,1583173.512170388596132)
Pixel Size = (1002.008657743770527,1002.008657743770527)
My failed R code is:
library(stars) # stars package 0.3-0
nc1= "./OR_ABI-L1b-RadC-M3C01_G16_s20190611802132_e20190611804505_c20190611804549.nc"
(nc1_s1= read_stars(nc1, along= c("DQF", "Rad")))
crs_proj4 = "+proj=geos +lon_0=-75 +h=35786023 +x_0=0 +y_0=0 +ellps=GRS80 +units=m +no_defs +sweep=x"
nc1_out = st_set_dimensions(nc1_s1,
offset= c(-3627271.328111211769283, 1583173.512170388596132),
delta= c(1002.008657743770527, 1002.008657743770527),
refsys= c(crs_proj4, crs_proj4)
)
nc1_out
As my code did not take effect, both nc1_s1 (input to st_set_dimensions()) and nc1_out (its output) show the same dimensions as below.
stars object with 2 dimensions and 2 attributes
attribute(s), summary of first 1e+05 cells:
X..DQF X..Rad
Min. : 0.0 Min. : 157.0
1st Qu.: 0.0 1st Qu.: 256.0
Median : 0.0 Median : 329.0
Mean : 36.5 Mean : 408.8
3rd Qu.: 0.0 3rd Qu.: 396.0
Max. :255.0 Max. :1023.0
dimension(s):
from to offset delta refsys point values
x 1 5000 NA NA NA NA NULL [x]
y 1 3000 NA NA NA NA NULL [y]
How can I set dimensions to NetCDF using stars package?
r stars
asked 7 mins ago
KazuhitoKazuhito
16k41883
add a comment |
Related: GDAL and reprojecting a NetCDF file
Following above, I would like to reproject a NetCDF ( NOAA GOES-16 file ) using R stars package.
However, I have been unsuccessful at the first step; I mean, unable to assign original CRS information to the file.
Parameters I want to assign were obtained by gdalinfo:
Proj.4 string = "+proj=geos +lon_0=-75 +h=35786023 +x_0=0 +y_0=0 +ellps=GRS80 +units=m +no_defs +sweep=x"
Origin = (-3627271.328111211769283,1583173.512170388596132)
Pixel Size = (1002.008657743770527,1002.008657743770527)
My failed R code is:
library(stars) # stars package 0.3-0
nc1= "./OR_ABI-L1b-RadC-M3C01_G16_s20190611802132_e20190611804505_c20190611804549.nc"
(nc1_s1= read_stars(nc1, along= c("DQF", "Rad")))
crs_proj4 = "+proj=geos +lon_0=-75 +h=35786023 +x_0=0 +y_0=0 +ellps=GRS80 +units=m +no_defs +sweep=x"
nc1_out = st_set_dimensions(nc1_s1,
offset= c(-3627271.328111211769283, 1583173.512170388596132),
delta= c(1002.008657743770527, 1002.008657743770527),
refsys= c(crs_proj4, crs_proj4)
)
nc1_out
As my code did not take effect, both nc1_s1 (input to st_set_dimensions()) and nc1_out (its output) show the same dimensions as below.
stars object with 2 dimensions and 2 attributes
attribute(s), summary of first 1e+05 cells:
X..DQF X..Rad
Min. : 0.0 Min. : 157.0
1st Qu.: 0.0 1st Qu.: 256.0
Median : 0.0 Median : 329.0
Mean : 36.5 Mean : 408.8
3rd Qu.: 0.0 3rd Qu.: 396.0
Max. :255.0 Max. :1023.0
dimension(s):
from to offset delta refsys point values
x 1 5000 NA NA NA NA NULL [x]
y 1 3000 NA NA NA NA NULL [y]
How can I set dimensions to NetCDF using stars package?
r stars
asked 7 mins ago
KazuhitoKazuhito
16k41883
Related: GDAL and reprojecting a NetCDF file
Following above, I would like to reproject a NetCDF ( NOAA GOES-16 file ) using R stars package.
However, I have been unsuccessful at the first step; I mean, unable to assign original CRS information to the file.
Parameters I want to assign were obtained by gdalinfo:
Proj.4 string = "+proj=geos +lon_0=-75 +h=35786023 +x_0=0 +y_0=0 +ellps=GRS80 +units=m +no_defs +sweep=x"
Origin = (-3627271.328111211769283,1583173.512170388596132)
Pixel Size = (1002.008657743770527,1002.008657743770527)
My failed R code is:
library(stars) # stars package 0.3-0
nc1= "./OR_ABI-L1b-RadC-M3C01_G16_s20190611802132_e20190611804505_c20190611804549.nc"
(nc1_s1= read_stars(nc1, along= c("DQF", "Rad")))
crs_proj4 = "+proj=geos +lon_0=-75 +h=35786023 +x_0=0 +y_0=0 +ellps=GRS80 +units=m +no_defs +sweep=x"
nc1_out = st_set_dimensions(nc1_s1,
offset= c(-3627271.328111211769283, 1583173.512170388596132),
delta= c(1002.008657743770527, 1002.008657743770527),
refsys= c(crs_proj4, crs_proj4)
)
nc1_out
As my code did not take effect, both nc1_s1 (input to st_set_dimensions()) and nc1_out (its output) show the same dimensions as below.
stars object with 2 dimensions and 2 attributes
attribute(s), summary of first 1e+05 cells:
X..DQF X..Rad
Min. : 0.0 Min. : 157.0
1st Qu.: 0.0 1st Qu.: 256.0
Median : 0.0 Median : 329.0
Mean : 36.5 Mean : 408.8
3rd Qu.: 0.0 3rd Qu.: 396.0
Max. :255.0 Max. :1023.0
dimension(s):
from to offset delta refsys point values
x 1 5000 NA NA NA NA NULL [x]
y 1 3000 NA NA NA NA NULL [y]
How can I set dimensions to NetCDF using stars package?
r stars
r stars
asked 7 mins ago
KazuhitoKazuhito
16k41883
asked 7 mins ago
KazuhitoKazuhito
16k41883
asked 7 mins ago
KazuhitoKazuhito
16k41883
asked 7 mins ago
KazuhitoKazuhito
16k41883
asked 7 mins ago
KazuhitoKazuhito
16k41883
16k41883
add a comment |
add a comment |
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