Esmf regrid

Esmf regrid. It uses esmpy to handle calculations and allows for different coordinate systems. regridding methods are available. class esmf_regrid. Destination value is a linear combination of the source values in the cell which contains the destination The Earth System Modeling Framework (ESMF) is a suite of software tools for developing high-performance, multi-component Earth science modeling applications. Jan 21, 2016 · Hello All,I am trying to generate my own maps and check them. Creating the weights can use quite a lot of resources for high-resolution files, it is best to submit this to the Jul 10, 2014 · ESMF_RegridWeightGen tool. Jane, When you use the "conserve" method, you need to provide the grid corners, otherwise the NCL-ESMF software will have to guess at them. Thus, the package (ESMpy) becomes unusable outside a shell with this variable. Create regridding weights for the transformation using ESMF_RegridWeightGen. Each compressed tar. 5 to 1x1, and trying two different methods (“bilinear” and “patch”), there are several grids in the land-water May 15, 2017 · If anyone is creating surface datasets in CESM1. However, I get the message: (0) daily total precipitation: min=0 max=38. xESMF is a Python package for regridding . org Description. 1 Superstructure Classes; 15. May 14, 2020 · Another option is try cf-python, which can (in general) regrid larger-than-memory datasets in both spherical polar coordinates and Cartesian coordinates. User applications have been observed to push over the previous 32-bit message limit when each PET addresses a substantial amount of memory and calls into the ESMF communication methods. Binary file not shown. The source and destination grids can be written using one of the following procedures: latlon_to_SCRIP. 1984 (0) check_for_y_lat_coord: Warning: Data either does not contain a valid Jun 12, 2014 · The ESMF_regrid function got confused because you had set both DstGridType and DstGridLat/DstGridLon. ESMF_regrid_gen_weights: Writes a weight file using the offline ESMF weight generator. The unmapped points in the destination field are filled with zeros instead of the correct _FillValue. This function requires that following libraries be loaded prior to invoking the function: ;----- ; ESMF_regrid_22. Sep 12, 2012 · Re: Problems with ESMF_regrid. This section describes the offline regrid weight generation application provided by ESMF (for a description of ESMF regridding in general see Section 24. Bilinear interpolation. Missing values are allowed but ignored. Use the rgrid2rcm_Wrap function if metadata retention is Feb 6, 2013 · > I tried to use ESMF Regrid function in NCL v6. NERSC's Edison or NOAA's Gaea does not have either esmf or esmf-6. This ensures xESMF and it’s underlying helper, cf-xarray, understand which is which. Since precipitation does not have a high degree of spatial correllation you should use the ESMF's conservative regridding method. Hi Mary, I believe that you're on ESMF 5. Does it reveal that the upgradation of NCL to version 6. call ESMF_STest((rc. The script > attached is essentially the same as that template but with the 'conserve' > method for regridding removed. The main problem that I have is that after running ESMF_regrid to regrid temperature from 0. On 9/11/12 2:04 AM, jokalebo@huskers. For more robust regridding, see the ESMF regridding examples, which show how to regrid data from and to rectilinear, curvilinear, or unstructured grids. Run the regridding operation using the regrid_restart_file submodule of GCPy. Sep 5, 2019 · Below we provide script packages to regrid meteorological forcing data to a smaller, completely encompassed WRF-Hydro domain. I’ve done a printVarSummary of both the variable to regrid and the ‘Opt’ (i. Alternatively, if you want to regrid to the resolution of another dataset you can use a field directly from that dataset. Add ERA5 Forcing regrid. RegridMethod(value, names=None, module=None, type=None, start=1) ¶. gz package contains NCL-based regridding scripts that will regrid unstructured_to_ESMF is part of a suite of regridding routines based on Earth System Modeling Framework (ESMF) software. For high-resolution grids, making the regridder (i. 0 and later. x "ncl" executable, and the ESMF_RegridWeightGen executable that comes with NCL V6. ;===== ; ESMF_regrid_6. 5 (360x720), and I need to interpolate temperature values to 1x1 (180x360), I wonder if there are any available options in ESMF that would allow to regrid from 0. api. Just define the output grid as an xarray Dataset. 0 by manualy placing ESMF_regridding. 5 ∘. eq. Beginning with NCL version 6. 13. In your case, I think you can fix the problem by not setting DstGridType. ¶. oehmke_at_nyahnyahspammersnyahnyah> Date: Thu Jan 10 2013 - 13:49:23 MST. * > A scheme which can be recognised by iris. ! \item [{[dstStatusField]}] ! An ESMF Field which outputs a regrid status value for each destination location. This project aims to provide a bridge between Iris and ESMF. 5 to 1x1, but regridding temperature values for the land-water boundaries. 0 (not V6. ;----- ; ESMF_regrid_33. The bundled ESMF applications are built and installed during the usual ESMF installation Nov 9, 2023 · IMPORTANT: ESMF_STest() prints the PASS string and the # of processors ! into the Log file that the scripts grep for. Jan 10, 2013 · From: Robert Oehmke <robert. ncl: An example of using g2gsh, which interpolates from one gaussian grid to another using spherical harmonics. 9 Regrid Weight File Format; 12. I think in this case, the guess was not ideal, and hence you got a Nov 14, 2023 · This applies to the direct usage of ESMF_VM communication calls, but also extends to ESMF_RouteHandle based communication methods: Regrid, Redist, Halo, and SMM. Comparison of six regridding algorithms. In that version all the input files for ESMF_RegridWeightGen are interpreted as being latxlon. Unload all modules (something like module purge ), double check your . Regrid — ESMPy 8. 0 ∘ × 1. Click here for more information on ESMF regridding options, most of which are supported in ESMPy. Interpolate the high resolution (PRISM & WRF) to the low resolution NARR grid. 15 Overview of Superstructure. #28. Then I use ESMF_regrid_gen_weights and ESMF_regrid_with_weights to interpolate. On the UNIX command, before you run your script, can you type the following four commands and send the output to ncl-talk: which ncl ncl -V env | grep NCARG which ESMF_RegridWeightGen Then, also tell us how you are running "ncl". 15. When I followed the instruction in CESM User's Guide Chapter 6, I ran into some trouble. ncl ;----- ; Concepts illustrated: ; - Interpolating from one grid to another using ESMF_regrid ; - Interpolating data from a curvilinear grid The Earth System Modeling Framework (ESMF) is a suite of software tools for developing high-performance, multi-component Earth science modeling applications. Mary Haley has forwarded your email, which you have undeclared variable __PRETTY__FUNCTION__ o your system. Cube. I have a perplexing problem with ESMF_regrid. 5 degree rectilinear grid, we can use the utils functions to define the new grid. 7 / site-packages / xesmf / backend. Examples. 0 or 1. Jun 5, 2013 · The MOD16 data is in a (1200x1200) array, from a 1 km resolution Swath. It is. ncl ; for a faster example Dec 27, 2013 · I'm having a problem with ESMF_regrid which seems to be that the unix command ESMF_RegridWeightGen is not found. These classes are designed to perform well on cubes which have multiple non-horizontal dimensions and lazy ( Dask ) data. ; Purpose : This is an NCL script that uses EMSF utililites to generate src and dst SCRIP files. Notice here that we take care of passing some attributes to the coordinate variables. class ESMF. My end goal is to make difference plots between my MPAS regridded outputs and NNRP data. conda / envs / crp / lib / python3. nc file. Specify which interpolation method to use during regridding. To make the problem easy to = illustrate, I adapted Example 1 from the ESMF_regrid() documentation, = and used the file air. The creation of this object is analogous to ESMF_FieldRegridStore(), and calling this object corresponds to ESMF_FieldRegrid(). > Lastly, for ESMF_regrid to guess at the corners, it seems to prefer the longitudes to go from 0 to 360, so you need to do this: Jan 22, 2015 · I tried running the ESMF > template (ESMF_regrid_6. 3 Superstructure. ncl ; ; Concepts illustrated: ; - Interpolating from one grid to another using ESMF_regrid ; - Interpolating data from a 'Greenland' grid to a Output grid. It uses the ESMF regridding engine to do this, so linear, first and second-order conservative, nearest neighbour, etc. ESMF_regrid, latlon_to_SCRIP, rectilinear_to_SCRIP, curvilinear_to_SCRIP, unstructured_to_ESMF, ESMF_regrid_gen_weights, ESMF_regrid_with_weights. ncl ; ; Concepts illustrated: ; - Interpolating from one grid to another using ESMF_regrid ; - Interpolating data from an EASE grid to a 0. 0, any interior points not interpolated in the initial interpolation pass will be filled using linear interpolation. f_esmf_regrid – ESMF ESMF ;===== ; ESMF_regrid_1. latlon_to_SCRIP is part of a suite of regridding routines based on Earth System Modeling Framework (ESMF) software. Because the original file is 0. Easy-to-use: It abstracts away ESMF’s complicated infrastructure and provides a simple, high-level API (0) Cannot determine the source grid type. I The method used is simple inverse distance weighting. It says “could not find ESMF_RegridWeightGen executable” after generating the source_grid_file and destination_grid_file and before generating the weights. regridder = MeshToGridESMFRegridder (source_mesh_cube, target_grid_cube) # use the initialised regridder to regrid the data from the source cube # onto a cube with the same grid as `target_grid_cube ESMF_regrid: Regrids data from one lat/lon grid to another, using ESMF software. 12. regrid(). 1-ncdfio-uni-O, so {"payload":{"allShortcutsEnabled":false,"fileTree":{"source":{"items":[{"name":"README. Mar 19, 2013 · > > > I want to regrid a high-resolution (~1km) MODIS GPP to a coarse resolution (1x1) grid using ESMF_regrid. I can’t find any reason why they wouldn’t be. Sep 3, 2020 · (0) ESMF_regrid_with_weights: regridding using interpolation weights (0) ESMF_regrid_with_weights: error: there are no weights on this file. Both methods have their advantages. Hi Tom, I haven't actually tried regridding data that is not on a lat/lon grid using ESMF. Feb 5, 2013 · routine that's built into the 6. Nov 9, 2023 · regrid operation should be divided by the corresponding destination fraction to yield the ! true interpolated values for cells which are only partially covered by the source grid. 2 (may also affect other CESM 1. ; WRF-Hydro model domain, a curvilinear grid specified in a geo_em. 7 / site-packages / ESMF / __init__. util. That's not the problem though. This takes the form of regridder classes which take Iris cubes as their arguments and use ESMF to perform regridding calculations. x. edu wrote: > *I need some advise please with regard to regridding. Class for handling structured grids. Jul 17, 2019 · backend import (esmf_grid, add_corner, 10 esmf_regrid_build, esmf_regrid_finalize) 11 ~ /. ncl) on a file for precipitation instead of sea > temperature as in the template but received multiple errors. 25 degree grid ;===== ; This example is identical to ESMF_all_13. The result is that, sometimes, there are small gaps in the interpolated grids. py in < module > 17 18 import numpy as np---> 19 import ESMF 20 import warnings 21 import os ~ /. ; describing the source rectilinear grid. py Feb 6, 2013 · >> I tried to use ESMF Regrid function in NCL v6. Dec 17, 2012 · From: Kevin Kuo <kkuo326_at_nyahnyahspammersnyahnyah> Date: Mon Dec 17 2012 - 21:59:17 MST. Example: the actual interpolation is conducted using g2gsh_Wrap, a wrapper function that will assign all the appropriate meta data, including the gaussian latitudes, to resulting output. See ESMF_wgts_13. I then call latlon_to_SCRIP with no problems. from esmf_regrid. This class describes an area-weighted regridding scheme for regridding between horizontal grids/meshes. I wanted to build the modified ESMF_RegridWeightGenCheck. 1 Description; 13. 3 Sequential and Concurrent Execution of The ESMF_Regrid application and the ESMF_FileRegrid() method does not set the destination field's initial value to the _FillValue of the source field when the destination field does not exist in the destination grid file. The Earth System Modeling Framework (ESMF) is a suite of software tools for Jan 10, 2013 · From: Mary Haley <haley_at_nyahnyahspammersnyahnyah> Date: Thu Jan 10 2013 - 13:01:48 MST. Download and install NCL 6. 1 documentation. There's a suite of examples available on our ESMF applications page, and a set of basic ESMF template scripts to help you get started. With all system modules cleaned by step 1, make a clean miniconda installation, like: The following just makes the example data to be used by the regridder import pandas as pd import numpy as np import xarray as xr def ;===== ; ESMF_regrid_13. experimental. ». e. A side note: I had to change: ndvi_all at time = systemfunc The ESMF_Regrid application and the ESMF_FileRegrid() method does not set the destination field's initial value to the _FillValue of the source field when the destination field does not exist in the destination grid file. Available in version 6. I created the mapping files using the conservative and bilinear approach. See ESMF_wgts_6. 5) ds_out. Next, I call ESMF_regrid_gen_weights and that throws an error: > Mar 18, 2021 · I am having a problem running a regrid script. See Also. BILINEAR: 0> ¶. I am not using ESMF_regrid right now because I wanted to try Mar 18, 2021 · Look inside ESMF_regridding. Is it even possible to do this >>> using ESMF_regrid? >>> >>> I am trying to regrid some orbital data from the CERES satellite into >>> a rectangular 0. Thanks for your help Mary, now ESMF works. The script is appended below. 2. 13 ESMF_Regrid. ncl : This example shows how to draw contours of temperature on a 15 km MPAS grid (2,621,442 cells) using three different methods: Jun 10, 2023 · Because that is what the bug is : activating the environment adds a shell variable that points to some configuration file. Hi all, I'm responding to this old ESMF question at the request of somebody who found this thread. Either that must be in a directory included in your normal PATH variable, or else the optional shell variable ESMFBINDIR can be used to specify the directory containing ESMF_RegridWeightGen. The regridding can be done via a multi-step process that includes this procedure, or via an "all-in-one" function called ESMF_regrid. 1) Only use pure numpy array in this low-level backend. 14 ESMF_Scrip2Unstruct. ncl, lines 2739-2754. As of V6. The tools used here utilize the ESMF regridding libraries contained within the NCL software. Instead, I used the mapping file created using a bilinear approach which made the model run. I = Jul 9, 2013 · I am using ESMF_regrid to perform regridding of temperature. 0, 2. gz package contains NCL-based regridding scripts that will regrid This takes the form of regridder classes which take Iris cubes as their arguments and use ESMF to perform regridding calculations. ncl ; ; Concepts illustrated: ; - Interpolating from one grid to another using ESMF_regrid ; - Interpolating data from an NCEP grid to a 5x5 degree global grid ; - Writing data to a NetCDF file using the easy but inefficient method ;===== ; This example is identical to ESMF_all_1. mon. Then I use rectilinear_to_SCRIP to generate the destination grid, which I would like to be 0. xarray should only be used in higher-level APIs which interface with this low-level backend. I have already used ESMF_regrid to regrid some (time, level, lat, lon) This module wraps ESMPy’s complicated API and can create ESMF Grid and Regrid objects only using basic numpy arrays. Meanwhile, with regard to your large time array, is the lat/lon grid the same for every timestep? If so, you can create the weights file based on just one time step, and then use ESMF_regrid_with_weights to regrid the Dec 8, 2012 · Re: ESMF regrid fuction This message : [ Message body ] [ More options ] Related messages : [ Next message ] [ Previous message ] [ In reply to ] [ Next in thread ] [ Replies ] Feb 21, 2013 · You don't appear to have an n x 4 array on your file that defines lat/lon grid corners, so comment those two lines and let ESMF_regrid try to guess at the corners. “computing regridding weights”, explained later) is quite computationally expensive, but performing regridding on data (“applying regrid_2. ! Section~\ref{opt:regridstatus} indicates the meaning This procedure uses the input description files ( srcGridFile and dstGridFile) for the source and destination grids, and the offline "ESMF_RegridWeightGen" weight generation tool to generate the weights. ds_out = xe. --Mary On Feb 5, 2013, at 8:46 AM, gibies george wrote: > Dear friends, > > I tried to use ESMF Regrid function in NCL v6. ncl script on my working directory. I am ;===== ; narr_5. 0 is necessary for using this function. 14. 10 ESMF_RegridWeightGenCheck. 0rp2. This example shows how to regrid unstructured MPAS data (163842 cells) to a 0. I tried setting opt@DstGridType="Unstructured" and it gave the following output: (0) check_grid_type: invalid grid type (0) Warning: ESMF_copy_varcoords: don't recognize the grid type specified: 'Unstructured'. That is, grids defined by lists of latitude and longitude values for points/bounds (with respect to some Jun 6, 2014 · >> I'm having a problem with ESMF_regrid which seems to be that the unix >> command ESMF_RegridWeightGen is not found. 2 versions), you may need to change the pathway to your Dec 27, 2013 · >> I'm having a problem with ESMF_regrid which seems to be that the unix >> command ESMF_RegridWeightGen is not found. If you are trying to regrid really large variables using the NCL-ESMF regridding suite, then you may need to set one of the the "NetCDFType" options to "netcdf4" which allows you to write > than 4 GB to a file. ncl ; for a faster example of Jul 11, 2013 · ESMF is the best option for this interpolation. Easy-to-use: It abstracts away ESMF’s complicated infrastructure and provides a simple, high-level API Sep 5, 2019 · Below we provide script packages to regrid meteorological forcing data to a smaller, completely encompassed WRF-Hydro domain. GridInfo(lons, lats, lonbounds, latbounds, crs=None, circular=False, areas=None, mask=None, center=False)[source] #. It generates weights quite okay. Say we want to downsample it to 1. If you want to try a modified version of ESMF_regridding. md","path":"source/README. Examples Sep 11, 2012 · Subject: Re: ESMF_regrid Yes. These classes are designed to perform well on cubes which have multiple non-horizontal dimensions and lazy ( Dask) data. Hi Mary, You were correct, I was using ESMF_regrid_with_weights and not ESMF_regrid. ncl / mpas_polygon_3. ncl with this work-around, let me know. I will fix the code so that it exits more gracefully in this case. ncl ; ; Concepts illustrated: ; - Using a weight file generated via ESMF to: ; (a) Regrid the curvilinear NARR grig to a rectilinear grid "ESMF_regrid Apr 16, 2023 · @wmputman found this weekend that conservative regridding to the C2160 stretched grid was failing in GEOS with the following message from ESMF logging: 20230416 161554. Apr 9, 2021 · Say we want to regrid this to a 2. For more robust regridding, see the ESMF regridding examples, which show how to regrid data from and to rectilinear , curvilinear, or unstructured grids. To make the problem easy to >> illustrate, I adapted Example 1 from the ESMF_regrid() documentation, >> and used the file air. d0x. latlon_to_SCRIP: Writes the description of a lat/lon grid to a SCRIP file. There is an important reason why the regridding is broken into two steps (making the regridder and perform regridding). I'm now trying it with the full ntime timesteps. where conservative_normed is just the conservative method with the normalization set to ESMF. Let me know if that doesn't help. bashrc file, make sure that LD_LIBRARY_PATH is empty. ESMPy is a Python interface to the Earth System Modeling Framework (ESMF) regridding utility. --Mary The simple search algorithm used by rcm2rgrid is not capable of handling all cases. unl. Regrid(srcfield=None, dstfield=None, filename=None, rh_filename=None, src_mask_values=None, dst_mask_values=None, regrid_method=None, pole_method=None, regrid_pole_npoints=None, line_type=None, norm_type=None, extrap_method=None, extrap_num_src_pnts=None, extrap_dist The Regrid object represents a regridding operator between two Fields. mpas_3. Where we have to make assumptions about the file structure, but this would usually work in a conda env. 5x0. PopLatLonV, ESMF_regrid. ncl / mpas_cell_3. 0, 90. cube. 25 degree grid (719 x 440), using the default "bilinear" method with ESMF_regrid. ncl, except it does the ; regridding in one call to "ESMF_regrid". area_conserve_remap_Wrap, area_hi2lores_Wrap, ESMF_regrid, linint2, linint2_Wrap, latGau, latGauWgt, latRegWgt, NormCosWgtGlobe. ESMFBINDIR takes priority. 0, 180. unstructured_scheme import MeshToGridESMFRegridder # Initialise the regridder with a source mesh and target grid. regrid. ESMPy provides a Grid to represent single-tile logically rectangular coordinate data, a Mesh for unstructured coordinates, and a LocStream for Nov 3, 2023 · Overview. Any ideas? Dec 27, 2013 · > I'm having a problem with ESMF_regrid which seems to be that the unix = command ESMF_RegridWeightGen is not found. 1 or later. esmf_regridder. This class holds information about lat-lon type grids. This notebook demonstrates how these algorithms behave in different situations. Powerful: It uses ESMF / ESMPy as backend and can regrid between general curvilinear grids with all ESMF regridding algorithms , such as bilinear, conservative and nearest neighbour. 2 Hierarchical Creation of Components; 15. but not a satisfactory answer. NormType. 2). Attached are those files with __PRETTY_FUNTION__ removed. ltm. 0. options variable – see below) and it’s clear that both attributes are there on the Opt file, just not being recognised by ESMF_regrid. RegridMethod. 2 Usage; 13. DSTAREA. 0-beta), this function will return type float if data is float, and double if data is double or the special "ReturnDouble" attribute is set to True (see below). I didn't see any grid corner lat/lon info on your NARR file, so we are having to use whatever NCL guesses. 981 ERROR PET2190 Destination The ESMF_RegridWeightGen program reads grid information directly from a CF-NetCDF file to create the regridding weights. 1. (0) This likely means there was a problem with the mapping (0) from the source grid to the destination grid. Regrid ¶. . ESMF_regrid_gen_weights: 'ESMF_RegridWeightGen' was successful. ncl ; ; Concepts illustrated: ; - Interpolating from one grid to another using ESMF_regrid ; - Interpolating data from a CMIP5 grid to a 1X1 degree rectilinear grid ;===== ; This example is identical to ESMF_all_6. 5 degree over the region of the swath. 5, -90. Regridding, also called remapping or interpolation, is the process of changing the grid that underlies data values while preserving qualities of the original data. 2) Use simple, procedural programming here. 3 Examples. Apr 23, 2020 · When I created the mapping file (lnd to rof and rof to lnd) to work with two different resolutions, the mapping files created but failed in grid check. md","contentType":"file"},{"name":"constants. There are two different ways to access the executable ESMF_RegridWeightGen. To make the problem easy to illustrate, I adapted Example 1 from the ESMF_regrid() documentation, and used the file air. You can also define masks for both source and target grids using the missing values from a field in each file. These applications utilize the ESMF library to implement features such as printing general information about the ESMF installation, or generating regrid weight files. Jan 4, 2013 · Re: ESMF regridding issue. " I'm sure there are coordinates that are identical and that's what's provoking these warnings. ESMF_SUCCESS), testname, failMsg, result, & __FILE__, & __LINE__) call ESMF_Finalize(rc=rc) end program FieldRegridOrder. . ESMF_regrid: Regrids data from one lat/lon grid to another, using ESMF software. Both rectilinear and xESMF is a Python package for regridding . BILINEAR = <RegridMethod. 1 Description. constants. It shows the following bunch of errors. The provided ESMF applications are intended to be used as standard command line tools. ESMF_regrid_with_weights regrids data from a source grid to a destination grid, using weights stored in the wgtFile NetCDF file. 05 deg grid. Sep 12, 2012 · Yes Mary, I now notice that regridding from WRF to NARR works well with "bilinear" and "patch". grid_2d(-180. f2fosh This section describes the offline regrid weight generation application provided by ESMF (for a description of ESMF regridding in general see Section 24. It completed without any errors. I Jun 8, 2014 · using ESMF_regrid, and to create a "weight" file that I can reuse later. py in Mar 5, 2013 · Next message: Mary Haley: "Re: ESMF regrid" Previous message: Jonathan Vigh: "is there a way to filter out non-matching strings from an array of strings using an 'ind' type operation?" In reply to: Mary Haley: "Re: ESMF regrid" Next in thread: Mary Haley: "Re: ESMF regrid" Reply: Mary Haley: "Re: ESMF regrid" Feb 28, 2020 · I'm unable to build a Regridder on Linux os without getting the following error: ImportError: Regrid(filename) requires PIO and does not work if ESMF has not been built with MPI support Suspecting a compatibility issue, I created a new p Jun 28, 2012 · When I call "unstructured_to_ESMF", I get numerous warnings: "GCTAREA: The three input points must be distinct. In some cases, edge points may not Next message: [ncl-talk] ESMF_regrid issue: 'ESMF_RegridWeightGen' was not successful. nc from the NCEP/NCAR reanalysis. Example 1 A manager class to initialize and finalize ESMF: Field: A data field built on a Grid, Mesh, or LocStream: Grid: A class to represent a logically rectangular grid: Mesh: A calss to represent an unstructured grid: LocStream: A class to represent observational data as a collection of disconnected points: Regrid: The regridding utility Save time by reusing regridder. ; 1) Use rectilinear_to_SCRIP to create a SCRIP (convention) file from a file. ESMF_regrid_with_weights: Using the provided weight file, regrids data from one lat/lon grid to another. Regridding with GCPy, gridspec and sparselt is a three stage process: Create grid specifications for the source and target grids using gridspec. Overview. FRACAREA instead of the default norm_type=ESMF. I ran your script over the first four timesteps instead of all of them, just so I could see the end result faster. I have tried it on other precipitation CMIP5 > model outputs as Mar 22, 2013 · Subject: Re: [ncl-talk] ESMF Regrid Hi there, This Wei Huang at NCAR, NCL group. See full list on earthsystemmodeling. As this is a non-standard gcc macro, I have removed this symbol from our code. qg dq as rz id wf wx di fo yz