Estimating a Rotated Pole given a gridded dataset with lat/lons at each pointUsing NetCDF for point...
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Estimating a Rotated Pole given a gridded dataset with lat/lons at each point
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I have netcdf dataset that I think is regular gridded dataset using a Rotated pole mapping, but the rotated pole information is wrong.
The dataset has lat/lon value per grid point, but rotating those into the Rotated pole using the pole data provided results in a nearly regular grid, but it is slightly curved, and rotated. This makes me think that the pole coordinates are wrong.
Is there any simple way to estimate a rotated north pole, given a grid of lat/lons? I guess it should be possible using a linear regression in spherical space over each column of the grid, and then finding the intersection point of all the grid lines, but that seems complex and I'm wondering if there are any pre-existing algorithms for this.
netcdf regression
asked 5 mins ago
naught101naught101
284515
add a comment |
I have netcdf dataset that I think is regular gridded dataset using a Rotated pole mapping, but the rotated pole information is wrong.
The dataset has lat/lon value per grid point, but rotating those into the Rotated pole using the pole data provided results in a nearly regular grid, but it is slightly curved, and rotated. This makes me think that the pole coordinates are wrong.
Is there any simple way to estimate a rotated north pole, given a grid of lat/lons? I guess it should be possible using a linear regression in spherical space over each column of the grid, and then finding the intersection point of all the grid lines, but that seems complex and I'm wondering if there are any pre-existing algorithms for this.
netcdf regression
asked 5 mins ago
naught101naught101
284515
I would like to add a rotated-pole pole tag to this post, but don't have the rep. If someone else could (or could vote me up twice :D), that'd be great.
– naught101
4 mins ago
add a comment |
I have netcdf dataset that I think is regular gridded dataset using a Rotated pole mapping, but the rotated pole information is wrong.
The dataset has lat/lon value per grid point, but rotating those into the Rotated pole using the pole data provided results in a nearly regular grid, but it is slightly curved, and rotated. This makes me think that the pole coordinates are wrong.
Is there any simple way to estimate a rotated north pole, given a grid of lat/lons? I guess it should be possible using a linear regression in spherical space over each column of the grid, and then finding the intersection point of all the grid lines, but that seems complex and I'm wondering if there are any pre-existing algorithms for this.
netcdf regression
asked 5 mins ago
naught101naught101
284515
I have netcdf dataset that I think is regular gridded dataset using a Rotated pole mapping, but the rotated pole information is wrong.
The dataset has lat/lon value per grid point, but rotating those into the Rotated pole using the pole data provided results in a nearly regular grid, but it is slightly curved, and rotated. This makes me think that the pole coordinates are wrong.
Is there any simple way to estimate a rotated north pole, given a grid of lat/lons? I guess it should be possible using a linear regression in spherical space over each column of the grid, and then finding the intersection point of all the grid lines, but that seems complex and I'm wondering if there are any pre-existing algorithms for this.
netcdf regression
netcdf regression
asked 5 mins ago
naught101naught101
284515
asked 5 mins ago
naught101naught101
284515
asked 5 mins ago
naught101naught101
284515
asked 5 mins ago
naught101naught101
284515
asked 5 mins ago
naught101naught101
284515
284515
I would like to add a rotated-pole pole tag to this post, but don't have the rep. If someone else could (or could vote me up twice :D), that'd be great.
– naught101
4 mins ago
add a comment |
I would like to add a rotated-pole pole tag to this post, but don't have the rep. If someone else could (or could vote me up twice :D), that'd be great.
– naught101
4 mins ago
I would like to add a rotated-pole pole tag to this post, but don't have the rep. If someone else could (or could vote me up twice :D), that'd be great.
– naught101
4 mins ago
I would like to add a rotated-pole pole tag to this post, but don't have the rep. If someone else could (or could vote me up twice :D), that'd be great.
– naught101
4 mins ago
add a comment |
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I would like to add a rotated-pole pole tag to this post, but don't have the rep. If someone else could (or could vote me up twice :D), that'd be great.
– naught101
4 mins ago