Ncl regrid. This should be set to True only if you have global data, but your longitude values don't quite wrap all the way around the globe. 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. ncl functions (interpolation) narr_2. ESMF_regrid: Regrids data from one lat/lon grid to another, using ESMF software. au> Cc: "ncl-talk at ucar. ncl;; 30. This function is identical to area_conserve_remap, except the return value will have metadata added based on the input arrays. not Gaussian) grids. ne0CONUSne30x8_patch_plot_simplified. I would suggest using Uo = area_hi2lores_Wrap (loni,lati,U,False, 1, newlon,newlat, False) You can use the same weights file to regrid across other levels and timesteps of the same variable, or across other variables, as long as the lat/lon grid that you are regridding from and to are exactly the same, and, if you use the special GridMask (or Mask2D prior to NCL V6. On Sep 11, 2012, at 11:02 PM, Schiffer, Nicole June wrote: > Oops, I meant plot_CESM2_siconc_regrid. clyne added this to To do in Version 1. If one or more of the four closest grid rectilinear_to_SCRIP is part of a suite of regridding routines based on Earth System Modeling Framework (ESMF) software. ncl ; ; KMF ;----- load "$NCARG_ROOT/lib/ncarg/nclscripts/esmf/ESMF Hi Dave, It's having problems creating the "source_file. ;===== ; ESMF_regrid_1. This may take up to 24 hours, depending on the grid Add ERA5 Forcing regrid. We would like to show you a description here but the site won’t allow us. In general, data of type short must be transformed prior to calculations and plotting . The projection of both the WRF and NARR files are lambert conformal. 0 roadmap on Aug 2, 2019. DKRZ NCL script:;-----; DKRZ NCL Example: NCL_rotated_grid. lon1d = f[0]->lon. But, the code is buggy. cn > wrote: > Dear NCL community, > > > I am using ncl ESMF_regrid function to convert projection from (1) latlon > to (2) wrf lambert. nc (8) Destination File: MPAS_CELL. pdf> > On Sep 12, 2012, at 10:51 AM, jokalebo@huskers. In this case, the data is stored as 16-bit integers (referred to as type "short"). ESMPy provides a Grid to represent single-tile logically rectangular coordinate data, a Mesh for unstructured coordinates, and a LocStream for collections regrid_2. It works ok but my file keeps adding these strange ncl dimensions to the output file: uv2vrdvf takes as input u and v and returns the vorticity and divergence in the arrays vr and dv. I have tried it on other precipitation CMIP5 > model outputs as Aug 1, 2017 · This should create a NetCDF file with > the regridded data called either "ndvi3d_1982_r0. 005 Lo2 : 299. Both methods have their advantages. The script > attached is essentially the same as that template but with the 'conserve' > method for regridding removed. Regridding may be needed when communicating data between Earth system model components such as land and lcnative_2. edu wrote: > >> Yes Mary, I now notice that regridding from WRF to NARR works well with "bilinear" and "patch". 995 Di : 0. Mar 4, 2014 · Regrid the SST and sea-ice data from the B compset and create files in an appropriate format to run with CAM2. gsn_csm_contour_map_polar is the plot interface that draws a contour plot over a polar stereographic map. Hi Laura, The ESMF_regrid function got confused because you had set both DstGridType Sep 13, 2012 · From: Mary Haley <haley_at_nyahnyahspammersnyahnyah> Date: Wed Sep 12 2012 - 10:01:37 MDT. polar_2. ncl ;-- ;-- Description: regrid to curvilinear grid Jun 10, 2014 · > the results look a little bit off (i. 5 degree over the region of the swath. area_conserve_remap_Wrap, area_hi2lores_Wrap, ESMF_regrid, linint2, linint2_Wrap, latGau, latGauWgt, latRegWgt, NormCosWgtGlobe. A Python version of this projection is available here . Options can bet set for which years to grid to the new files. See ESMF_wgts_5 ;----- ; NCL User Guide Example: NUG_regrid_curvilinear_to_rectilinear_bilinear_wgts_destgrid_ESMF. ncl > > I think that ESMF_regrid_8. Will From: Mary Haley <haley at ucar. The data is on a 3500x7000 grid at 0. 25d/) Opt at DstURCorner = (/ 30. Sep 12, 2012 · I am using ESMF_regrid to regrid a WRF. ncl ; ; Concepts illustrated: ; - Interpolating from one grid to another using bilinear interpolation ; - Drawing color-filled contours over a cylindrical equidistant map ; - Paneling two plots vertically on a page ; - Adding a common labelbar to paneled plots ; - Adding units attributes to lat/lon arrays ; - Turning off the individual contour labelbar ; - Manually creating (The weight file is not generated by NCL. 995 Lo1 : 230. Jun 5, 2013 · The MOD16 data is in a (1200x1200) array, from a 1 km resolution Swath. The ESMF_regrid function regrids data from one lat/lon grid to another, using ESMF software. plot_CESM2_siconc_original_regrid. It says “could not find ESMF_RegridWeightGen executable” after generating the source_grid_file and destination_grid_file and before generating the weights. txt > > The two output files from running regrid_ndv_mod. 75x0. nc. Consider example 6 as a guide to preserve the global precipitation average and noting that both datasets use fixed (interval, i. ncl script on my working directory. gz package contains NCL-based regridding scripts that will regrid ESMF_regrid: Regrids data from one lat/lon grid to another, using ESMF software. The file type will be de (5) tected automatically (6) Starting weight generation with these inputs: (7) Source File: MPAS_ESMF. I tried CDO, and also ncremap, but did not work. PopLatLonV, ESMF_regrid. Here’s a message I got: (0) get_src_grid_info: can't determine what type of source grid you have Mar 18, 2021 · Look inside ESMF_regridding. 0 and later. edu Fri Sep 4 16:23:07 MDT 2020. shtml. GRIB files contain the parallel information, and NCL automatically reads these values in and assigns them as attributes to the lat2d array. edu" <ncl-talk at ucar. I think they are both curvilinear. > The others tend to just regrid to a predefined grid, like "0. ncl, except it does the ; regridding in one call to "ESMF_regrid". ncl: Native lambert conformal grid from a GRIB file. This procedure writes the description of a an unstructured grid to an ESMF description file. nc file to destination file: NARR. nc (10) Source File is in ESMF format (11) Source Grid is a global grid (12) Source Grid is an unstructured grid (13) Use the corner coordinates of Nov 14, 2017 · Next message: [ncl-talk] Canonical Correlation Analysis via Barnett and Preisendorfer (BPCCA) Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] Hi Mary, I added the two lines before ESMF_regrid, but the script still doesn’t work. Plotting unstructured grids with MATLAB. It generates weights quite okay. Apr 5, 2018 · 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". This matlab routine shows how to plot results on an unstructured grid. 0, any interior points not interpolated in the initial interpolation pass will be filled using linear interpolation. To restrict the area of the 1 degree grid, you can set DstLLCorner / DstURCorner to something like: Opt at DstLLCorner = (/ -30. This in turn controls the path along which distances are calculated and the shape of the edges that make up a cell. This document gives a brief outline about ESMF, further information can be found at the ESMF home page at. --Mary On Feb 5, 2013, at 8:46 AM, gibies george wrote: > Dear friends, > > I tried to use ESMF Regrid function in NCL v6. edu> Date: Tuesday, 21 August 2018 at 6:19 AM To: Will Hobbs <will. latlon_to_SCRIP: Writes the description of a lat/lon grid to a SCRIP file. txt file) with (2) Simulation (lambert . 009999999 Dj : 0. Firstly, I changed the SE grid to lon-lat grid using "ncremap" (NCO operator), then I used NCL "vinth2p" to do the vertical interpolation. 0) option, that your masks are exactly the same. hobbs at utas. #28. Sep 4, 2020 · [ncl-talk] regrid data from one unstructured grid to another unstructured grid Ming Chen chenming at ucar. > > > The purpose is to compare (1) Observation (latlon projection/rectilinear > grids in . ncl > > I have placed the source ERAI file and several files containing various > latitude and longitude grid configurations at the following ftp location: > > ftp ftp. . Then, I saw the function you mentioned "vinth2p_ecmwf", I found it works in dealing NCL: DAYMET: Daily Sfc Weather and Climatologies. ; WRF-Hydro model domain, a curvilinear grid specified in a geo_em. Is there another simple yet better approach to take this data and > place it on a regular grid to map in NCL? > > > > Thank you for the help in advance! > > > > Marc Jun 12, 2014 · From: Mary Haley <haley_at_nyahnyahspammersnyahnyah> Date: Thu Jun 12 2014 - 12:16:33 MDT. Mar 18, 2021 · Hi Jiali: The function ESMF_RegridWeightGen executable is part of the ESMF library and is not a ncl function: that is the reason why you did not find it in the ncl source code itself. 1. the regrid fills in the data for > locations where the value should be NaN which subsequently “stret= ches” the > data). linint2 uses bilinear interpolation to interpolate from one rectilinear grid to another. Binary file not shown. nc" > > regrid_xxxx_output. ncl > ESMF_regrid_7. clyne added the enhancement label on Aug 2, 2019. The advantage is a custom weight file can be generated. 1deg. I didn't see any grid corner lat/lon info on your NARR file, so we are having to use whatever NCL guesses. ;----- ;-- NCL User Guide example: ;-- NUG_regrid_rectilinear_to_curvilinear_bilinear_wgts_destgrid_ESMF. 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. Different kinds of transformations are appropriate for different problems. The NCAR Command Language (NCL) is an interpreted language that may be used for plotting fields in MPAS-Atmosphere's netCDF input and output files. The script is appended below. ncl : This script demonstrates how to read in a NARR netCDF file into NCL. Warning (find_time_vars): Time variable >time< not found! and. Here is a snippet of my code. Project repository for the CESM python based post-processing code, documentation and issues tracking. ESMF_regrid_gen_weights is part of a suite of regridding routines based on Earth System Modeling Framework (ESMF) software. Assume xlon, ylat, and zVal are one-dimensional (1D) arrays of length KPTS. Sep 12, 2012 · Re: Problems with ESMF_regrid. ncl, lines 2739-2754. 2 and later. 10. Dear friends, I tried to use ESMF Regrid function in NCL v6. line_type ( LineType ) – select the path of the line that connects two points on the surface of a sphere. ncl > ESMF_regrid_8. ; describing the destination (WRF-Hydro) grid. ncl script provides additional useful routines for working with shapefiles: print_shapefile_info - prints information about the shapefile. , 359. > > --Mary > Mar 20, 2013 · >> I tried to use ESMF Regrid function in NCL v6. >> >> ESMF_regrid_gen_weights: 'ESMF_RegridWeightGen' was successful. nc file. As of V6. ftcurv: Calculates an interpolatory spline through a sequence of Regridding, also called remapping or interpolation, is the process of changing the grid that underlies data values while preserving qualities of the original data. ncl uses ESMF utilities and reads a file with grid information and weights for the destination grid. ; describing the source rectilinear grid. ncl > ESMF_regrid_24. Regridding from higher to the lower resolution grid. m. shapefile_mask_data - masks your own data against outlines in a shapefile. 0 (not V6. Hi, there I want to regrid POP ocean data from CCSM3 T31gx3v5, but get some error: Mar 13, 2019 · See attached On Mon, Mar 11, 2019 at 5:14 AM LSL < lslrsgis at whu. Most of these are short scripts with a minimal number of resources set. The result is that, sometimes, there are small gaps in the interpolated grids. nc . nc";--open file and read variable f = addfile (diri + fili, "r") tas = f-> tas tas @lat2d = f-> lat;--set 2 D latitude data tas @lon2d = f-> lon;--set 2 D longitude data var = tas Aug 4, 2011 · From: Wei Liu <wliu5ster_at_nyahnyahspammersnyahnyah> Date: Thu Aug 04 2011 - 10:46:29 MDT. The regridding can be done via a multi-step process that includes this procedure, or via an "all-in-one" function called ESMF_regrid. If missing values are present, then linint2 will perform the bilinear interpolation at all points possible This could take needless extra time, because it will try to regrid to areas where you may not have data. In some cases, edge points may not It 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. Next, I call ESMF_regrid_gen_weights and that throws an error: warning:getvardims: file (null) contains no dimensions readable by NCL fatal:The result of the conditional expression yields a missing value. uv2vrdvf operates on a fixed grid. 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. plot_shapefile - creates a basic map plot with the shapefile outlines added. I have taken a regridding script found the NCL example website and modified it to handle very very large arrays and write the data, time step by time step. ncl example. The first frame is a contour plot only, and the second frame overlays the contours on a northern hemisphere polar stereographic map. ucar. - NCAR/CESM_postprocessing For more robust regridding, see the ESMF regridding examples, which show how to regrid data from and to rectilinear, curvilinear, or unstructured grids. The contributed function short2flt may be used to directly read the data. However I was not successful (0) ESMF_regrid_gen_weights: output from 'ESMF_RegridWeightGen': Aug 2, 2019 · Port the NCL ESMF_regrid family of functions, including: ESMF_regrid. nc Sep 12, 2012 · FW: (ESMF_regrid) is undefined This message : [ Message body ] [ More options ] Related messages : [ Next message ] [ Previous message ] [ Next in thread ] [ Replies ] ease_1. create_SST_files_from_B_case_with_bcgen. lcnative_3. , 0. Here, we recommend to use the ESMF regridding software which is integrated in the NCL software package since version 6. I am not using ESMF_regrid right now because I wanted to try ESMPy is a Python interface to the Earth System Modeling Framework (ESMF) regridding utility. Examples ESMF_regrid: Regrids data from one lat/lon grid to another, using ESMF software. Each compressed tar. ncl: An example of using g2gsh, which interpolates from one gaussian grid to another using spherical harmonics. ) For more robust regridding, see the ESMF regridding examples, which show how to regrid data from and to rectilinear, curvilinear, or unstructured grids. 0 by manualy Apr 21, 2024 · The first step is to conservatively regrid the original CMIP6 emissions to the desired grid. e. 75 to 179. edu > anonymous > your_email > prompt > cd pub/shea/ESMF_EASE > ls > mget * > quit > > 518856 sep 6 16:54 EaseLatLon_100km. However, most commonly, regridding refers to spatial interpolation. ESMF_regrid_with_weights: Using the provided weight file, regrids data from one lat/lon grid to another. There are two different ways to access the executable ESMF_RegridWeightGen. The following NCL script reads the source and target file, regrid it using ESMF_regrid function, write the regridded variable to a new netCDF file and create a plot to compare the data. Does it reveal that the upgradation of NCL to version 6. If missing values are present, then linint2_points will perform the piecewise linear interpolation at all points possible, but will return missing values at coordinates which could not be used. nc" or " > ndvi3d_1982_r0. I then call latlon_to_SCRIP with no problems. The longitudes are equally spaced while the latitudes are unequally spaced according to the Gaussian quadrature. Available in version 6. nc files: zmksrf_lai. ncl → A NCL script that plots the original (since NCL does not require a regular grid for plotting) and regridded data side by side Oct 30, 2014 · DKRZ NCL ESMF regridding curvilinear to rectilinear example#. But there still had abnormal value near undergrond region in near surface pressure level. Nov 23, 2020 · I have two . The interpolation is first performed in the x direction, and then in the y direction. I am running NCL 6. Feb 6, 2013 · >> I tried to use ESMF Regrid function in NCL v6. 5 deg" or > "1x1". 05 degree PFT file, so that I have high resolution LAI data. ESMF_regrid_gen_weights: Writes a weight file using the offline ESMF weight generator. ) So your Jan 21, 2021 · Add to your existing ncl scripts, code such as: lat1d = f[0]->lat. ncl: There are times when you may not know the appropriate parallels for your native lambert conformal grid. res@sfXArray = lon1d. It shows the following bunch of errors. 75_bilinear. It is the ncl function ESMF_regrid_with_weights that calls the ESMF_RegridWeightGen (that ncl function is in the large ncl script ESMF_regridding. 75_patch. cnLevelSelectionMode = "ManualLevels". There are numerous grid interpolation methods and users should choose the method appropriate for curvilinear_to_SCRIP is part of a suite of regridding routines based on Earth System Modeling Framework (ESMF) software. 5, then you would set this to True. edu. ;===== ; ESMF_regrid_5. Setting option =True and option @ mopt =1 will result in the function using Mar 17, 2021 · Hi NCL users! I am having a problem running a regrid script. ncl><ESMF_regrid. Several example scripts are provided below as a starting point, and users new to NCL may consult the extensive NCL documentation for examples and complete documentation on all functions ;===== ; ESMF_regrid_11. unl. They do not account for the fact that the earth is an ellipsoid. 75d/) --Mary On Mon, Nov 13, 2017 at 11:47 AM, Laura Fowler < laura at Feb 5, 2013 · From: gibies george <gibies_at_nyahnyahspammersnyahnyah> Date: Tue Feb 05 2013 - 08:46:40 MST. NCL contributed. Feb 5, 2013 · routine that's built into the 6. 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. Previous message: [ncl-talk] regrid data from one unstructured grid to another unstructured grid Next message: [ncl-talk] adding theoretical lower bound to a scatter plot Jan 13, 2014 · Regridding is the process of interpolating from one grid resolution to a different grid resolution. ncl ; ; Concepts illustrated: ; - Interpolating from one grid to another using ESMF_regrid ; - Interpolating data from an MPAS grid to a curvilinear tripolar grid ;===== ; This example is identical to ESMF_all_11. ncl ; for a faster Jun 27, 2012 · That's not the problem though. unstructured_to_ESMF is part of a suite of regridding routines based on Earth System Modeling Framework (ESMF) software. For example, if your longitude values go from, say, -179. The NCL script Regrid_fv2se_cmip6_main. Examples For more robust regridding, see the ESMF regridding examples, which show how to regrid data from and to rectilinear, curvilinear, or unstructured grids. It completed without any errors. nc (9) Weight File: vertex_2_cell. This could involve temporal, vertical or spatial ('horizontal') interpolations. This page contains some NCL scripts that you can download for doing creating visualizations of your data, adding shapefile outlines, adding primitives, or doing ESMF regridding. Next message: [ncl-talk] ESMF_regrid issue: 'ESMF_RegridWeightGen' was not successful. gsnPolar = "NH". The input grid may be cyclic in the x direction. cgd. Aug 4, 2011 · Re: pop regrid This message : [ Message body ] [ More options ] Related messages : [ Next message ] [ Previous message ] [ In reply to ] [ Next in thread ] [ Replies ] Sep 25, 2011 · From: Dennis Shea <shea_at_nyahnyahspammersnyahnyah> Date: Sun Sep 25 2011 - 07:40:56 MDT. Look at the NCL website for regridding: https://www. Change this: adv_vrt = advect_variable(u, v, wr, 1, "vorticity A Gaussian grid is one where each grid point can be uniquely accessed by one-dimensional latitude and longitude arrays (i. Script templates for NCL regridding and graphics. Beginning with NCL version 6. 0. For example, generate a weight file that will conservatively regrid the POP data to (say) a 1x2 grid. Description. ncl) on a file for precipitation instead of sea > temperature as in the template but received multiple errors. 01 Lat is in degrees_north Lon in degrees_east. line_type ( LineType) – select the path of the line that connects two points on the surface of a sphere. 0 Below is a snippet of my code. >> >> However, I get the NCL scripts. 3. Click here for more information on ESMF regridding options, most of which are supported in ESMPy. A side note: I had to change: ndvi_all at time = systemfunc Apr 15, 2013 · NCL seems to be very powerful but the learning curve seems a bit steep. Then I use rectilinear_to_SCRIP to generate the destination grid, which I would like to be 0. I think in this case, the guess was not ideal, and hence you got a I believe the errors arise when trying to generate a weight file. I ran your script over the first four timesteps instead of all of them, just so I could see the end result faster. ipynb → Script to plot the regridded sea ice concentration data using a polar stereographic projection. Assume lon and lat are 2D arrays specifying grid locations. I'm now trying it with the full ntime timesteps. See the area_conserve_remap page for full documentation and examples. In order to generate contours over a map from this Hi Nicolay, in my opinion CDO can't remap those files. ncl ; ; Concepts illustrated: ; - Interpolating from one grid to another using ESMF_regrid ; - Interpolating data from a WRF grid to a rectilinear grid ; - Using functions for cleaner code ;===== ; This example is identical to ESMF_all_5. The shapefile_utils. 5 to 359. Daymet: Developed by Dr. ; NCL V6. 5 degree LAI file into 0. /" fili = "diff_tas_rcp45_20060101. 1 or later. 005 La2 : 20. d0x. Feb 6, 2013 · > I tried to use ESMF Regrid function in NCL v6. Feb 3, 2014 · > ESMF_regrid_6. If any missing values are encountered in a particular 2D input grid, then all of the values in the corresponding output grids NCL's ESMF regridding functions can be used to generate weight files: See Example 24. 75, or 0. Saved searches Use saved searches to filter your results more quickly May 22, 2018 · Hi Lara, You are passing in your original data into advect_variable instead of the regridded variables. nc, and zmksrf_pft. ncl. regrid_pole_npoints – specifies how many points to average over if polemethod == ALLAVG. I am using the ESMF_regrid_16. NCL provides different functions to regrid the data using different methods. Then: grid = triple2grid2d (xlon,ylat,zVal, lon,lat, False) will use default behavior and return a 2D array of the same size as xgrid. 14 kmf;-----begin;--define file name diri = ". ncl Regrid the SST and sea-ice data from the B compset and create files in an appropriate format for processing with bcgen (you need to run bcgen afterwards to have a SST/ICE dataset in an Sep 7, 2016 · The script is > similar to ESMF_regrid_9. ncl might be your best bet, because it's one of > the few where the rectilinear grid being regridded to is read off a file. Your suggestion is highly appreciated. x "ncl" executable, and the ESMF_RegridWeightGen executable that comes with NCL V6. edu> Subject: Re: [ncl-talk] ESMF_regrid - SrcGridLat/SrcGridLon not recognised Hi Will, Were there any other errors with this script? The reason I ask is that it looks like ;----- ; ESMF_regrid_33. the coordinates are orthogonal). The masks are Mar 19, 2013 · > > > Hi NCL-talk, > > > > > > I want to regrid a high-resolution (~1km) MODIS GPP to a coarse resolution (1x1) grid using ESMF_regrid. ncl : This script illustrates how to create contours of an EASE grid. 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). Peter E Thornton to fulfill the need for daily climatological data necessary for plant growth model inputs, Daymet generates daily, gridded surfaces of temperature, precipitation, humidity, and radiation over large regions and takes into account areas of complex terrain. latlon_to_SCRIP is part of a suite of regridding routines based on Earth System Modeling Framework (ESMF) software. But I found a way to do it with NCL. ESMF_regrid_with_weights regrids data from a source grid to a destination grid, using weights stored in the wgtFile NetCDF file. 0 is necessary for using this function. ncl: Adds some intrinsic labels, manually sets the contour values, and creates a panel plot. Then I use ESMF_regrid_gen_weights and ESMF_regrid_with_weights to interpolate. La1 : 54. Download and install NCL 6. res@sfYArray = lat1d. I want to interpolate the 0. ncl with either bilinear > or patch. 0 by manualy placing ESMF_regridding. ; option specified in the command line. ;----- ; regrid_1. regrid_pole_npoints ( int) – specifies how many points to average over if polemethod == ALLAVG. nc" NetCDF file, which is a intermediate file it needs to create in order to eventually create the NetCDF weights file. An option to indicate whether the rightmost dimension of fi is cyclic. The simple search algorithm used by rcm2rgrid is not capable of handling all cases. I tried running the ESMF > template (ESMF_regrid_6. x. ncl ; ; Concepts illustrated: ; - Interpolating from one grid to another using ESMF_regrid ; - Interpolating data from a 'Greenland' grid to a Sep 5, 2019 · Below we provide script packages to regrid meteorological forcing data to a smaller, completely encompassed WRF-Hydro domain. The algorithm used assumes that all latiudes and longitudes refer to a spherical earth. Regrid output to regular grid Sep 12, 2012 · > <ESMF_regrid_16_region. ESMFBINDIR takes priority. Gaussian grids do not have points at the poles. See ESMF_wgts_11. edu/Applications/regrid. linint2_points uses bilinear interpolation to interpolate from a rectilinear grid to an unstructured grid. 5. See Also. The tools used here utilize the ESMF regridding libraries contained within the NCL software. Drawing the contours only is much quicker, and is good for quick debugging purposes. NCL can not determine branch, see ismissing function fatal Mar 17, 2021 · 919175314@qq_com said: Hi，. This procedure does not handle missing values (defined by the _FillValue attribute). od oo zo fc zl jw yj qu uk wv