# Paraview unable to render World Ocean Atlas NetCDF files

**URL:** https://discourse.paraview.org/t/paraview-unable-to-render-world-ocean-atlas-netcdf-files/2757
**Category:** ParaView Support
**Created:** [October 14, 2019, 12:17pm UTC](https://discourse.paraview.org/t/paraview-unable-to-render-world-ocean-atlas-netcdf-files/2757 "2019-10-14T12:17:24Z")
**Posts on this page:** 7
**Page:** 1

<div class="post-metadata">

### Author: ![dhiputm](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/d/f0a364/32.png) [@dhiputm](https://discourse.paraview.org/u/dhiputm)
#### Post date: [October 14, 2019, 12:17pm UTC](https://discourse.paraview.org/t/paraview-unable-to-render-world-ocean-atlas-netcdf-files/2757/1 "2019-10-14T12:17:24Z")

</div>

I am trying to visualize the .nc files belonging to the World Ocean Data Atlas, obtained from UNICAR/NOAA repository. I tried to read the data using the readers - NetCDF CAM Reader, NetCDF Reader and VisitNetCDFCCSM\_STSDReader, using Paraview 5.7.0. But none of the readers are able to read and render the data contained in the .nc file. Any help towards visualizing this would be of great help.

Thank You in advance. I am posting the contents of the .nc file below -

\*\*\*\*\*\*\* File Content Start \*\*\*\*\*\*

netcdf woa13\_A5B2\_s01\_01 {  
dimensions:  
nbounds = 2 ;  
lat = 180 ;  
lon = 360 ;  
depth = 57 ;  
time = 1 ;  
variables:  
int crs ;  
crs:grid\_mapping\_name = “latitude\_longitude” ;  
crs:epsg\_code = “EPSG:4326” ;  
crs:longitude\_of\_prime\_meridian = 0.f ;  
crs:semi\_major\_axis = 6378137.f ;  
crs:inverse\_flattening = 298.2572f ;  
float lat(lat) ;  
lat:standard\_name = “latitude” ;  
lat:long\_name = “latitude” ;  
lat:units = “degrees\_north” ;  
lat:axis = “Y” ;  
lat:bounds = “lat\_bnds” ;  
float lat\_bnds(lat, nbounds) ;  
lat\_bnds:comment = “latitude bounds” ;  
float lon(lon) ;  
lon:standard\_name = “longitude” ;  
lon:long\_name = “longitude” ;  
lon:units = “degrees\_east” ;  
lon:axis = “X” ;  
lon:bounds = “lon\_bnds” ;  
float lon\_bnds(lon, nbounds) ;  
lon\_bnds:comment = “longitude bounds” ;  
float depth(depth) ;  
depth:standard\_name = “depth” ;  
depth:bounds = “depth\_bnds” ;  
depth:positive = “down” ;  
depth:units = “meters” ;  
depth:axis = “Z” ;  
float depth\_bnds(depth, nbounds) ;  
depth\_bnds:comment = “depth bounds” ;  
float time(time) ;  
time:standard\_name = “time” ;  
time:long\_name = “time” ;  
time:units = “months since 0000-01-01 00:00:00” ;  
time:axis = “T” ;  
time:climatology = “climatology\_bounds” ;  
float climatology\_bounds(time, nbounds) ;  
climatology\_bounds:comment = “This variable defines the bounds of the climatological time period for each time” ;  
float s\_an(time, depth, lat, lon) ;  
s\_an:standard\_name = “sea\_water\_salinity” ;  
s\_an:long\_name = “Objectively analyzed mean fields for sea\_water\_salinity at standard depth levels.” ;  
s\_an:coordinates = “time lat lon depth” ;  
s\_an:cell\_methods = “area: mean depth: mean time: mean” ;  
s\_an:grid\_mapping = “crs” ;  
s\_an:units = “1” ;  
s\_an:\_FillValue = 9.96921e+36f ;  
float s\_mn(time, depth, lat, lon) ;  
s\_mn:standard\_name = “sea\_water\_salinity” ;  
s\_mn:long\_name = “Average of all unflagged interpolated values at each standard depth level for sea\_water\_salinity in each grid-square which contain at least one measurement.” ;  
s\_mn:coordinates = “time lat lon depth” ;  
s\_mn:cell\_methods = “area: mean depth: mean time: mean” ;  
s\_mn:grid\_mapping = “crs” ;  
s\_mn:units = “1” ;  
s\_mn:\_FillValue = 9.96921e+36f ;  
int s\_dd(time, depth, lat, lon) ;  
s\_dd:standard\_name = “sea\_water\_salinity number\_of\_observations” ;  
s\_dd:long\_name = “The number of observations of sea\_water\_salinity in each grid-square at each standard depth level.” ;  
s\_dd:coordinates = “time lat lon depth” ;  
s\_dd:cell\_methods = “area: sum depth: point time: sum” ;  
s\_dd:grid\_mapping = “crs” ;  
s\_dd:units = “1” ;  
s\_dd:\_FillValue = -32767 ;  
float s\_sd(time, depth, lat, lon) ;  
s\_sd:long\_name = “The standard deviation about the statistical mean of sea\_water\_salinity in each grid-square at each standard depth level.” ;  
s\_sd:coordinates = “time lat lon depth” ;  
s\_sd:cell\_methods = “area: mean depth: mean time: standard\_deviation” ;  
s\_sd:grid\_mapping = “crs” ;  
s\_sd:units = “1” ;  
s\_sd:\_FillValue = 9.96921e+36f ;  
float s\_se(time, depth, lat, lon) ;  
s\_se:standard\_name = “sea\_water\_salinity standard\_error” ;  
s\_se:long\_name = “The standard error about the statistical mean of sea\_water\_salinity in each grid-square at each standard depth level.” ;  
s\_se:coordinates = “time lat lon depth” ;  
s\_se:cell\_methods = “area: mean depth: mean time: mean” ;  
s\_se:grid\_mapping = “crs” ;  
s\_se:units = “1” ;  
s\_se:\_FillValue = 9.96921e+36f ;  
float s\_oa(time, depth, lat, lon) ;  
s\_oa:standard\_name = “sea\_water\_salinity” ;  
s\_oa:long\_name = “statistical mean value minus the objectively analyzed mean value for sea\_water\_salinity.” ;  
s\_oa:coordinates = “time lat lon depth” ;  
s\_oa:cell\_methods = “area: mean depth: mean time: mean” ;  
s\_oa:grid\_mapping = “crs” ;  
s\_oa:units = “1” ;  
s\_oa:\_FillValue = 9.96921e+36f ;  
float s\_ma(time, depth, lat, lon) ;  
s\_ma:standard\_name = “sea\_water\_salinity” ;  
s\_ma:long\_name = " The objectively analyzed value for the given time period minus the objectively analyzed annual mean value for sea\_water\_salinity." ;  
s\_ma:coordinates = “time lat lon depth” ;  
s\_ma:cell\_methods = “area: mean depth: mean time: mean” ;  
s\_ma:grid\_mapping = “crs” ;  
s\_ma:units = “1” ;  
s\_ma:\_FillValue = 9.96921e+36f ;  
int s\_gp(time, depth, lat, lon) ;  
s\_gp:standard\_name = “sea\_water\_salinity” ;  
s\_gp:long\_name = “The number of grid-squares within the smallest radius of influence around each grid-square which contain a statistical mean for sea\_water\_salinity.” ;  
s\_gp:coordinates = “time lat lon depth” ;  
s\_gp:cell\_methods = “area: mean depth: mean time: mean” ;  
s\_gp:grid\_mapping = “crs” ;  
s\_gp:units = “1” ;  
s\_gp:\_FillValue = -32767 ;

// global attributes:  
:Conventions = “CF-1.6” ;  
:title = “World Ocean Atlas 2013 version 2 : sea\_water\_salinity January 1.00 degree” ;  
:summary = “Climatological mean salinity for the global ocean from in situ profile data” ;  
:references = “Zweng, M. M, J. R. Reagan, J. I. Antonov, R. A. Locarnini, A. V. Mishonov, T. P. Boyer, H. E. Garcia, O. K. Baranova, C. R. Paver, D. R. Johnson, D. Seidov, M. Biddle, , 2013: World Ocean Atlas 2013, Volume 2: Salinity. S. Levitus, Ed., A. Mishonov, technical editr, NOAA Atlas NESDIS 74.” ;  
:institution = “National Oceanographic Data Center(NODC)” ;  
:comment = “global climatology as part of the World Ocean Atlas project” ;  
:id = “woa13\_A5B2\_s01\_01.nc” ;  
:naming\_authority = “gov.noaa.nodc” ;  
:standard\_name\_vocabulary = “NetCDF Climate and Forecast (CF) Metadata Convention Standard Name Table v29” ;  
:sea\_name = “World-Wide Distribution” ;  
:time\_coverage\_start = “0000-01-01” ;  
:time\_coverage\_duration = “P01M” ;  
:time\_coverage\_resolution = “P01M” ;  
:geospatial\_lat\_min = -90.f ;  
:geospatial\_lat\_max = 90.f ;  
:geospatial\_lon\_min = -180.f ;  
:geospatial\_lon\_max = 180.f ;  
:geospatial\_vertical\_min = 0.f ;  
:geospatial\_vertical\_max = 1500.f ;  
:geospatial\_lat\_units = “degrees\_north” ;  
:geospatial\_lat\_resolution = “1.00 degrees” ;  
:geospatial\_lon\_units = “degrees\_east” ;  
:geospatial\_lon\_resolution = “1.00 degrees” ;  
:geospatial\_vertical\_units = “m” ;  
:geospatial\_vertical\_resolution = “” ;  
:geospatial\_vertical\_positive = “down” ;  
:creator\_name = “Ocean Climate Laboratory” ;  
:creator\_email = "NODC.Services@noaa.gov" ;  
:creator\_url = “[http://www.nodc.noaa.gov](http://www.nodc.noaa.gov)” ;  
:project = “World Ocean Atlas” ;  
:processing\_level = “processed” ;  
:keywords = “\<ISO\_TOPIC\_Category\> Oceans\</ISO\_TOPIC\_Category\>” ;  
:keywords\_vocabulary = “ISO 19115” ;  
:contributor\_name = “Ocean Climate Laboratory” ;  
:contributor\_role = “Calculation of climatologies” ;  
:cdm\_data\_type = “Grid” ;  
:publisher\_name = “National Oceanographic Data Center” ;  
:publisher\_url = “[http://www.nodc.noaa.gov/](http://www.nodc.noaa.gov/)” ;  
:publisher\_email = "NODC.Services@noaa.gov" ;  
:nodc\_template\_version = “NODC\_NetCDF\_Grid\_Template\_v1.0” ;  
:license = “These data are openly available to the public. Please acknowledge the use of these data with the text given in the acknowledgment attribute.” ;  
:Metadata\_Conventions = “Unidata Dataset Discovery v1.0” ;  
:metadata\_link = “[http://www.nodc.noaa.gov/OC5/WOA13/pr\_woa13.html](http://www.nodc.noaa.gov/OC5/WOA13/pr_woa13.html)” ;  
:date\_created = "2011-09-28 " ;  
:date\_modified = "2011-09-28 " ;  
data:

lat = -89.5, -88.5, -87.5, -86.5, -85.5, -84.5, -83.5, -82.5, -81.5, -80.5,  
-79.5, -78.5, -77.5, -76.5, -75.5, -74.5, -73.5, -72.5, -71.5, -70.5,  
-69.5, -68.5, -67.5, -66.5, -65.5, -64.5, -63.5, -62.5, -61.5, -60.5,  
-59.5, -58.5, -57.5, -56.5, -55.5, -54.5, -53.5, -52.5, -51.5, -50.5,  
-49.5, -48.5, -47.5, -46.5, -45.5, -44.5, -43.5, -42.5, -41.5, -40.5,  
-39.5, -38.5, -37.5, -36.5, -35.5, -34.5, -33.5, -32.5, -31.5, -30.5,  
-29.5, -28.5, -27.5, -26.5, -25.5, -24.5, -23.5, -22.5, -21.5, -20.5,  
-19.5, -18.5, -17.5, -16.5, -15.5, -14.5, -13.5, -12.5, -11.5, -10.5,  
-9.5, -8.5, -7.5, -6.5, -5.5, -4.5, -3.5, -2.5, -1.5, -0.5, 0.5, 1.5,  
2.5, 3.5, 4.5, 5.5, 6.5, 7.5, 8.5, 9.5, 10.5, 11.5, 12.5, 13.5, 14.5,  
15.5, 16.5, 17.5, 18.5, 19.5, 20.5, 21.5, 22.5, 23.5, 24.5, 25.5, 26.5,  
27.5, 28.5, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.5, 38.5,  
39.5, 40.5, 41.5, 42.5, 43.5, 44.5, 45.5, 46.5, 47.5, 48.5, 49.5, 50.5,  
51.5, 52.5, 53.5, 54.5, 55.5, 56.5, 57.5, 58.5, 59.5, 60.5, 61.5, 62.5,  
63.5, 64.5, 65.5, 66.5, 67.5, 68.5, 69.5, 70.5, 71.5, 72.5, 73.5, 74.5,  
75.5, 76.5, 77.5, 78.5, 79.5, 80.5, 81.5, 82.5, 83.5, 84.5, 85.5, 86.5,  
87.5, 88.5, 89.5 ;

lon = -179.5, -178.5, -177.5, -176.5, -175.5, -174.5, -173.5, -172.5,  
-171.5, -170.5, -169.5, -168.5, -167.5, -166.5, -165.5, -164.5, -163.5,  
-162.5, -161.5, -160.5, -159.5, -158.5, -157.5, -156.5, -155.5, -154.5,  
-153.5, -152.5, -151.5, -150.5, -149.5, -148.5, -147.5, -146.5, -145.5,  
-144.5, -143.5, -142.5, -141.5, -140.5, -139.5, -138.5, -137.5, -136.5,  
-135.5, -134.5, -133.5, -132.5, -131.5, -130.5, -129.5, -128.5, -127.5,  
-126.5, -125.5, -124.5, -123.5, -122.5, -121.5, -120.5, -119.5, -118.5,  
-117.5, -116.5, -115.5, -114.5, -113.5, -112.5, -111.5, -110.5, -109.5,  
-108.5, -107.5, -106.5, -105.5, -104.5, -103.5, -102.5, -101.5, -100.5,  
-99.5, -98.5, -97.5, -96.5, -95.5, -94.5, -93.5, -92.5, -91.5, -90.5,  
-89.5, -88.5, -87.5, -86.5, -85.5, -84.5, -83.5, -82.5, -81.5, -80.5,  
-79.5, -78.5, -77.5, -76.5, -75.5, -74.5, -73.5, -72.5, -71.5, -70.5,  
-69.5, -68.5, -67.5, -66.5, -65.5, -64.5, -63.5, -62.5, -61.5, -60.5,  
-59.5, -58.5, -57.5, -56.5, -55.5, -54.5, -53.5, -52.5, -51.5, -50.5,  
-49.5, -48.5, -47.5, -46.5, -45.5, -44.5, -43.5, -42.5, -41.5, -40.5,  
-39.5, -38.5, -37.5, -36.5, -35.5, -34.5, -33.5, -32.5, -31.5, -30.5,  
-29.5, -28.5, -27.5, -26.5, -25.5, -24.5, -23.5, -22.5, -21.5, -20.5,  
-19.5, -18.5, -17.5, -16.5, -15.5, -14.5, -13.5, -12.5, -11.5, -10.5,  
-9.5, -8.5, -7.5, -6.5, -5.5, -4.5, -3.5, -2.5, -1.5, -0.5, 0.5, 1.5,  
2.5, 3.5, 4.5, 5.5, 6.5, 7.5, 8.5, 9.5, 10.5, 11.5, 12.5, 13.5, 14.5,  
15.5, 16.5, 17.5, 18.5, 19.5, 20.5, 21.5, 22.5, 23.5, 24.5, 25.5, 26.5,  
27.5, 28.5, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.5, 38.5,  
39.5, 40.5, 41.5, 42.5, 43.5, 44.5, 45.5, 46.5, 47.5, 48.5, 49.5, 50.5,  
51.5, 52.5, 53.5, 54.5, 55.5, 56.5, 57.5, 58.5, 59.5, 60.5, 61.5, 62.5,  
63.5, 64.5, 65.5, 66.5, 67.5, 68.5, 69.5, 70.5, 71.5, 72.5, 73.5, 74.5,  
75.5, 76.5, 77.5, 78.5, 79.5, 80.5, 81.5, 82.5, 83.5, 84.5, 85.5, 86.5,  
87.5, 88.5, 89.5, 90.5, 91.5, 92.5, 93.5, 94.5, 95.5, 96.5, 97.5, 98.5,  
99.5, 100.5, 101.5, 102.5, 103.5, 104.5, 105.5, 106.5, 107.5, 108.5,  
109.5, 110.5, 111.5, 112.5, 113.5, 114.5, 115.5, 116.5, 117.5, 118.5,  
119.5, 120.5, 121.5, 122.5, 123.5, 124.5, 125.5, 126.5, 127.5, 128.5,  
129.5, 130.5, 131.5, 132.5, 133.5, 134.5, 135.5, 136.5, 137.5, 138.5,  
139.5, 140.5, 141.5, 142.5, 143.5, 144.5, 145.5, 146.5, 147.5, 148.5,  
149.5, 150.5, 151.5, 152.5, 153.5, 154.5, 155.5, 156.5, 157.5, 158.5,  
159.5, 160.5, 161.5, 162.5, 163.5, 164.5, 165.5, 166.5, 167.5, 168.5,  
169.5, 170.5, 171.5, 172.5, 173.5, 174.5, 175.5, 176.5, 177.5, 178.5,  
179.5 ;

depth = 0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80,  
85, 90, 95, 100, 125, 150, 175, 200, 225, 250, 275, 300, 325, 350, 375,  
400, 425, 450, 475, 500, 550, 600, 650, 700, 750, 800, 850, 900, 950,  
1000, 1050, 1100, 1150, 1200, 1250, 1300, 1350, 1400, 1450, 1500 ;

time = 0.5 ;  
}

\*\*\*\*\*\*\* File Content End \*\*\*\*\*\*\*\*

---

<div class="post-metadata">

### Author: ![Kenneth\_Moreland](https://discourse.paraview.org/user_avatar/discourse.paraview.org/kenneth_moreland/32/15033_2.png) [@Kenneth\_Moreland](https://discourse.paraview.org/u/Kenneth_Moreland)
#### Post date: [October 14, 2019, 9:24pm UTC](https://discourse.paraview.org/t/paraview-unable-to-render-world-ocean-atlas-netcdf-files/2757/2 "2019-10-14T21:24:34Z")

</div>

When you say this is “the contents of the .nc”, do you mean it is _literally_ the contents of the file (i.e. what you would get with `cat woa13_A5B2_s01_01.nc`) or the representation of what is in the file (i.e. what you would get with `ncdump woa13_A5B2_s01_01.nc`)? The text you put itself is not a valid netCDF format, but it makes sense as a description of what would be in one.

It would be helpful if you could post the file or a link to the file.

---

<div class="post-metadata">

### Author: ![dhiputm](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/d/f0a364/32.png) [@dhiputm](https://discourse.paraview.org/u/dhiputm)
#### Post date: [October 15, 2019, 5:56am UTC](https://discourse.paraview.org/t/paraview-unable-to-render-world-ocean-atlas-netcdf-files/2757/3 "2019-10-15T05:56:18Z")

</div>

Thank You for the reply, Kenneth.

You are right, what I had pasted above is the result of the command -  
‘ncdump -c woa13\_A5B2\_s01\_01.nc’

The link to the actual file is -

[https://data.nodc.noaa.gov/thredds/catalog/nodc/archive/data/0114815/public/salinity/netcdf/A5B2/1.00/catalog.html?dataset=nodc/archive/data/0114815/public/salinity/netcdf/A5B2/1.00/woa13\_A5B2\_s01\_01.nc](https://data.nodc.noaa.gov/thredds/catalog/nodc/archive/data/0114815/public/salinity/netcdf/A5B2/1.00/catalog.html?dataset=nodc/archive/data/0114815/public/salinity/netcdf/A5B2/1.00/woa13_A5B2_s01_01.nc)

The file can be downloaded from any of the access servers mentioned in the above link. I used the OPENDAP link.

I am trying to visualize this woa13\_A5B2\_s01\_01.nc file from the UNICAR/NOAA repository, using Paraview 5.7.0. I tried to read the data using the readers - NetCDF CAM Reader, NetCDF Reader and VisitNetCDFCCSM\_STSDReader, available in Paraview 5.7.0. But none of the readers are able to read and render the data contained in the .nc file. Any help towards visualizing this would be of great help.

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<div class="post-metadata">

### Author: ![Yoshino](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/y/bcef8e/32.png) [@Yoshino](https://discourse.paraview.org/u/Yoshino)
#### Post date: [January 3, 2020, 1:52pm UTC](https://discourse.paraview.org/t/paraview-unable-to-render-world-ocean-atlas-netcdf-files/2757/4 "2020-01-03T13:52:22Z")

</div>

I’m having the same issue, I read .nc file downloaded from WOA and I read it with Paraview’s built-in netCDF reader. The result looks reasonable in representation of ‘Surface or Surface of Edges’. I’m wondering how to transfrom it into rectangular shape.

---

<div class="post-metadata">

### Author: ![Kenneth\_Moreland](https://discourse.paraview.org/user_avatar/discourse.paraview.org/kenneth_moreland/32/15033_2.png) [@Kenneth\_Moreland](https://discourse.paraview.org/u/Kenneth_Moreland)
#### Post date: [January 4, 2020, 6:18am UTC](https://discourse.paraview.org/t/paraview-unable-to-render-world-ocean-atlas-netcdf-files/2757/5 "2020-01-04T06:18:04Z")

</div>

@Yoshino, thanks for poking me on this question. @dhiputm, sorry for the delay in response. I missed your reply.

To answer the original question, I was able to successfully load the `woa13_A5B2_s01_01.nc` file into ParaView 5.7.0. I used the following steps:

1. When opening the file, select `NetCDF Reader` as the reader. This is the “generic” netCDF reader that follows COARDS/CF convention (as your this file does, too).
2. Change the `Dimensions` combo box to read `(depth, lat, lon)`.
3. Hit `Apply`. (It is best to change the `Dimensions` parameter before `Apply`ing for the first time.)
4. For this particular data, the data will come out as a curvilinear grid. To actually see the surface, change the representation from `Outline` to `Surface` (in the second toolbar).

Selecting the proper `Dimensions` is important to reading the data. The dimensions of arrays in netCDF defines the structure of the data loaded. Since a netCDF file can contain arrays of different dimensions, you have to select the dimensions that shape your data.

To answer @Yoshino’s part of the question, you can change the representation from sphere to rectangular shape by also unclicking the `Spherical Coordinates` option. This will treat the lat/lon as cartesian coordinates instead of coordinates on a sphere and the result will then look like a brick.

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<div class="post-metadata">

### Author: ![Yoshino](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/y/bcef8e/32.png) [@Yoshino](https://discourse.paraview.org/u/Yoshino)
#### Post date: [January 4, 2020, 6:26am UTC](https://discourse.paraview.org/t/paraview-unable-to-render-world-ocean-atlas-netcdf-files/2757/6 "2020-01-04T06:26:24Z")

</div>

Thanks for reply, now I get my brick and your explainations about dimensions is quite helpful.

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<div class="post-metadata">

### Author: ![dhiputm](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/d/f0a364/32.png) [@dhiputm](https://discourse.paraview.org/u/dhiputm)
#### Post date: [January 20, 2020, 8:52pm UTC](https://discourse.paraview.org/t/paraview-unable-to-render-world-ocean-atlas-netcdf-files/2757/7 "2020-01-20T20:52:03Z")

</div>

Thank You @Kenneth_Moreland for the reply.  
Following your advice, I was able to get the desired Contour and IsoVolume Viz., after applying certain Transform and Threshold filters. But, this has led to the following 2 issues -

1. When I save the state as ‘.pvsm’, and try to load it later, I am getting error, which I have recorded and attached as ‘test1.txt’. In this context, I should also mention that, when save the state in py format, the load state function works. [test1.txt](https://discourse.paraview.org/uploads/short-url/5L7BH42YoxNePeYxXws4FtWifHK.txt) (3.3 KB)  
Is it possible to shed some light into the save/load state functionality, with the WOA netcdf data, already mentioned in the previous post?

Thanks in advance.