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Questions tagged [thredds]

THREDDS is an acronym for Thematic Realtime Environmental Distributed Data Services. The goal of the project is developing middleware to bridge the gap between data providers and data users. The goal is to simplify the discovery and use of scientific data and to allow scientific publications and educational materials to reference scientific data.

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Easy, scriptable way to sub-sample unstructured THREDDS data?

I'm trying to get a subset of data from a triangular mesh model that is being served by THREDDS. I'd like to be able to specify a LAT/LON bounding box and just get the data from within that box. The Data URL…
Steve Cousins
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regExp for matching directories

I have a somewhat complex directory structure for NetCDF files I want to create a THREDDS catalog for. /data/buoy/A0121/realtime/A0121.met.realtime.nc /A0121.waves.realtime.nc …
Eric Bridger
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Using NCML to reduce dimensions in netCDF file

I'm trying to use NCML to 'convert' a CF-1.4 file to CF-1.6. Of particular interest is how to 1) remove dimensions and then 2) change the dimensions of variables. For example, below are the top portions (ncdump) of two netCDF files. The first is…
JimP
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THREDDS server using Godiva viewer

Anyone knows how I can configure the godiva viewer in order to get a specific colour palette and specific range of values? This is an example, where the colour palette is the default, but the range of values is updated according to the file…
Gago-Silva
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Calculating the size (bytes) of subset large netCDF file from a THREDDS Data Server before reading the file using ncvar_get?

I'm using nc_open to get a DatasetNode from a THREDDS Data Server, and reading a subset of the data in ncvar_get by specifying start and count. Reproducible example below: library(thredds) library(ncdf4) Top <-…
marine-ecologist
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Abort download.file in R if file becomes too large

In a shiny app I would like users to be able to download a remote (.nc) file with file size limit of say, 100MB. For some files inspecting the header works well, as suggested here https://stackoverflow.com/a/20921907/6424231…
Danny
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Pvlib-Python Datetime Error 'Is not convertible to datetime'

I am trying to access forecast data by using the PVLib-Python command model.get_data(longitude, latitude, start, end) or model.get_processed_data(latitude, longitude, start, end) (where model = GFS()) but I am getting this error: TypeError:
Nelson Salazar
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Unable to start thredds under tomcat7

I've seen similar posts, but none that seem to be similar enough to help. I'm running Tomcat 7.0.68 and Java 1.8.0_231 on CentOS 6.10 and so far have been unable to install thredds successfully. I followed the instructions at…
PAUL MENA
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How do I use pydap library to collect THREDDS data?

I have been trying to use the example get_nomads.py module from Will Holgren which he was nice enough to forward my way. In the code, there is a call to get the THREDDS data as follows: from pydap.client import open_url dataset =…
P Moran
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THREDDS Server NetCDF file via WMS

I have setup TomCat and THREDDS server (loaded war file) and attempted to serve up some *.nc files using via WMS protocol. I can request the file but all I seem to get back is a black image. I had something similar in geoserver but I was able to…
Madmartigan
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Installation of Thredds Data Server

I am trying to deploy Thredds war file in the Apache Tomcat 7 server on Windows Server 2012 R2. When I started threads data server it is showing error massage like: Application at context path/Thredds could not found. I also gone through the…
Mayank Soni
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Can't deploy war with TomEE 1.7.3 (tomcat 7.0.52 with drop-in TomEE war)

I am running tomcat 7.0.52 on a ubuntu 14.04 server with Java SE 1.8 (build 1.8.0_66-b17). Tomcat is running, manager works and I deployed two wars - a Vaadin application and the THREDDS war version 4.6 (see unidata TDS). Both applications work. Now…
Sebastian S
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Harvesting from THREDDS using GeoNetwork

I have a THREDDS instance: https://wci.earth2observe.eu/thredds/catalog-earth2observe.html and I am looking for a way to get the data in an ISO-19115 standard format. I have tried many solutions and am currently trying to get the information into a…
ojstandeven
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Possible to add attributes via NcML to non-cached THREDDS datasets?

For several years on our THREDDS Data Server (TDS) we've been happily using the cache="false" functionality on datasetRoot to tell the TDS not to cache several netcdf files.
Rich Signell
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NcML aggregation of remote 3D and 4D variables?

Can NcML be used to aggregate 3D and 4D grids? I wasn't sure since they differ in the number of dimensions. e.g. sea surface height (ssh) and water temperature, where ssh has three dimensions [time, lat, lon] and temp has four dimensions [time,…
John Maurer
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