NetCDF (Network Common Data Form) is a set of software libraries and self-describing, machine-independent data formats that support the creation, access, and sharing of array-oriented scientific data.

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problem reading netcdf

I am using qgis 2.2 (I have also tried this in qgis 2.0 and arcgis 10 with the same result) (I have some basic understanding of netcdf, but I am probably missing a lot of details...) I have manged to ...
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Create NetCDF subset with different sizes

I have to create a netCDF file with different subsets. For example subset1 must be a 2d matrix, subset2 a vector, etc. I am using functions of netcdf library in C/C++ code: nc_create for the file ...
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36 views

Building attribute table from raster in ArcMap 10.1

I have a NetCDF file containing the latitude, longitude and porosity for the entire US. I am trying to add another value (wilting point) which depends on the porosity. I wanted to extract the netcdf ...
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Dates are off when opening netcdf file in R

I have a netcdf file with the time dimension that goes from 12/2007 until 12/2010 with monthly time steps. I can see the correct dates in both arcgis and panoply. Panoply tells me this file is a ...
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172 views

How to convert a NetCDF file to GeoTIFF using GDAL

I have a NetCDF file which contains data for the number of rain days in the UK. I'd like to convert it to a GeoTIFF, but can't get GDAL correctly georeference it. See dumps from gdalinfo below. I ...
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88 views

how to extract a variable at specific time and depth from netcdf in r

I have the following netcdf file containing 7 variables and 4 dimensions. [1] "file data.nc has 4 dimensions:" [1] "depth Size: 12" [1] "time Size: 37" [1] "x Size: 305" [1] "y Size: 432" ...
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93 views

how to create CF-compliant NetCDF from ESRI Grid?

been trying to make a CF-compliant netCDF file from an ESRI Grid. I want to serve it w/the THREDDS server. Been using gdal_translate. I know the netcdf output option is definitely not CF compliant, so ...
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48 views

Update a NetCDF file using GDAL

I have to edit a NetCDF file using GDAL in C++ code. When I try to update a subset I have this error message: ERROR 6: The NETCDF driver does not support update access to existing datasets. How can ...
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48 views

Issues with importing a netcdf file to arcgis as a point feature layer

I have a netcdf file of my computational grid. It is a structured curvilinear grid. When I make a feature layer from a it with the Multidimension Tool toolbox, I cannot get the point locations to plot ...
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36 views

NetCDF file size calculation

I'm planning to use the NetCDF file format for storing my time-series observation data on a server. I would like to use the "NetCDF-CF" conventions. Before I start writing any scripts for importing ...
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98 views

Successfully extracting values from a GRIB2 file…is it possible?

Let me say first that I'm starting to work with GRIB2 files, I've read the docs, and more or less know how they are structured. My goal is to be able to parse some GRIB2 files from NOAA, more ...
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43 views

How to convert NetCDF file to Grib2 or Grib files

Community, Am in trouble to read NetCDF file data. Basically NetCDF file contains Ocean current data. How to convert NetCDF file to Grib2 or Grib file. I already have procedure to read data from ...
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76 views

Why does Make NetCDF Raster Layer tool give Error 000276?

I am trying to view NetCDF files created into WRF into ArcMap 10.2. I used the 'Make NetCDF Raster Layer' Tool as described on the user-guide however, I keep getting the same error: 000276. Would any ...
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2answers
71 views

Data interpreted incorrectly when opening NetCDF file in ArcMap

I'm trying to open a NetCDF file with some current data on a polar stereographic projection in ArcMap, but the data are not displayed correctly. The only obvious problem I can see is that ArcMap seems ...
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148 views

ArcMap Raster to NetCDF - lat/long

I need to convert a few files which are projected in WGS84 into netCDF. NetCDF requires lat/long. I am a bit confused on how the process is handled by ArcMap especially after looking at the online ...
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100 views

Longitude range NETCDF vs ASCII

I am trying to preprocess a netcdf dataset with arcgis such that it has the same extent, cellsize and format as an ascii dataset I am using. Both are visualized in the image below: The big one in ...
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98 views

netCDF-java has trouble reading this netCDF file(format) and fetching values from the latlon dimension

I'm developing an application where I need to extract variable-values from netCDF files. I'm processing several different formatted netCDF files and now one format seems to be creating some issues. ...
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59 views

GDAL Create( ) for a netCDF file segfaults

I have a problem with the creation of NetCDF dataset using GDAL. When I use "gdalinfo" and "gdal_translate" utilities on a NetCDF format, they work fine, but when I create a new dataset using the ...
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98 views

How can I create a WFS from netCDF file(s)?

Currently I'm working on a project that uses OpenLayers and Geoserver to view data from a postGIS server (both on a map through a WMS, and as data through a WFS). Now, I'd like to be able to compare ...
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245 views

Sum many netCDF rasters

For the first time, I am using NetCDF data files containing daily data about soil moisture at a global level. I want to be able to obtain monthly mean value of soil moisture for each grid cell. ...
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184 views

How to upload a NETCDF to Geoserver using cURL?

I'm trying to upload a NETCDF file (.nc) to Geoserver Store of Coverage ImageMosaic The command is this: curl -v -u admin:geoserver -XPOST -H "Content-type: text/plain" -d ...
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48 views

In a ROMS model, how can a get the time series data for a parameter using a lat/lon point?

As a follow on question to my initial post here I would like to get point data over a time series from a ROMS model. For example, given the netCDF file hosted via Thredds here: ...
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363 views

Subsetting a curvilinear netCDF file (ROMS model output) using a lon/lat bounding box.

I am attempting to get salinity data from one of the ocean models in our region and have run into a roadblock. This is ROMS model output in NetCDF form, but the grid is curvilinear (lon and lat arrays ...
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532 views

How can i read netcdf file of station data

Please can anyone have experience with netcdf data with irregular grid. my data file is taken from NCEP ADP Global Upper Air and Surface Weather Observations (PREPBUFR format) So i need to extract ...
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288 views

How to load a NetCDF-file into QGIS using Python?

I have a CF-conform NetCDF-file which can be loaded into Quantum GIS (Version 1.8) by using the "Add Raster Layer"-button and subsequently choosing the file and the raster layers of interest. This ...
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180 views

Setting up THREDDS catalogs for ocean model data

I've got a bunch of NetCDF files from ocean modeling runs. Some are 3-day forecasts that are run daily, some are hindcast runs where each hindcast is split into multiple files like ...
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90 views

Interpolation with netcdf4 file

I have a netcdf4 data set that contains array and information about latitude and longitude which can be accessed with the following R command: ncvar_get(dataname, 'lon'); ncvar_get(dataname, 'lat'); ...
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481 views

Convert timeseries stack of GTiff raster to single NetCDF

Moving from gdal-dev mailing list: On Mon, Sep 2, 2013 at 7:09 PM, David Shean wrote: Hi list, I'm trying to package a timeseries of GTiff rasters with identical projection/extent/resolution as a ...
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64 views

Arcpy & ARCGIS10: Make netCDFRasterlayer, error attribute not found

I am trying to create a raster layer from a NetCDF File using Python. If I am using the Arcgis 10 Python window it works without issues. But executing the same script in Pythonxy gives the error: ...
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120 views

QGIS 1.8.0 on Linux treats NetCDF 4 as HDF5

I've been generating some large (28800x13920) grids of BYTE data representing the NALCMS2005 North American Land Cover dataset (original 250m projected data resampled to a WGS84 grid at 15 arc sec). I ...
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213 views

Using NetCDF for point time-series observations?

I have a large growing dataset of water and climate observations for several years in regular hourly time-step. The number of locations is cca. 1000 locations with latitude, longitude coordinates. At ...
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315 views

How do I solve Gdalwarp error 'too many points failed to transform' for remapping Geostationary to Lambert conformal?

I am trying to remap from Geostationary to Lambert conformal using gdalwarp. My input data is in netcdf, and is in geographic coordinates (degrees) and I would like to output the remapped data to ...
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172 views

Geoserver WMS animator to animate layers along with its data(e.g time)

i am going to create animated map by the use of geoserver WMS animator in which the animation parameters like "APARAM" takes the value 'layers' and "AVALUE" takes the layer name in the geoserver(aprox ...
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309 views

Copying netCDF coordinate system

UPDATE: 7/26/2013 The issue I'm encountering is a known bug with the netCDF-Java API described in ticket TDS-391: A user would like to convert radar data to netCDF format. Unfortunately, the data ...
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2answers
371 views

R Raster package: write NetCDF with time dimension

I am writing a rasterbrick with multiple layers to a netcdf file using the raster package in R: writeRaster(gridfile, "Data", "CDF", overwrite=TRUE, ...
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247 views

How to create contour from NetCDF?

I have downloaded Bathymetry data from GEBCO. Its in NetCDF format. I want to create contour from it. I tried so many tools to convert the file into raster but couldn't do so. How can I create raster ...
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225 views

netCDF does not display properly in QGIS 1.8

I have a netCDF file of fire emissions on a regular grid of 12 km by 12 km grid cells with 200 east-west grid cells by 161 north-south grid cells centered on the continental United States. The map ...
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1answer
349 views

Importing grib, grib2, netcdf to PostGIS

According to grib2 to raster? (grib2 -> raster2pgsql -> PostGIS 2.0 -> GeoServer), it seems like that grib2 can be treated as raster directly. Is it the so called "standard" way? How about ...
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857 views

How to re-project ease( Equal Area Scalable Earth) grid with a ~25 km cylindrical projection to WGS84 0.25 degree? [duplicate]

I have nc (NetCDF) files for global soil moisture. From the metadata, the projection is cylindrical and the resolution is 25 km (it is based on authalic sphere based on International 1924 ...
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163 views

How do I create rendered vector field in qgis

Perhaps I am misunderstanding the "vector field renderer" and "VectFieldCalc" plugins, but I have no idea how to make a vector field of arrows, with directions and magnitude. I have the data loaded ...
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150 views

How to Create a Vector Field from Separate u and v Data Files?

I am using Quantum GIS and trying to create a vector field using data from two separate netcdfs. One contains the u data, one contains the v data. Can this be done, and if so, how? Thanks. Jason
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66 views

What are the characteristics of a raster to Netcdf layer in ArcMap?

Specifically, when trying to edit the attribute table? This is would be for work purely in ArcMap, and converting raster to Netcdf. I have a land cover layer (that I've converted to a raster to ...
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203 views

How to use GRIB data in ArcGIS? (Zonal Stat as Table)

I am trying to calculate zonal stats as table with a python script for 45 .grib files from the ERA-40 Monthly Mean of Daily Mean database (http://data-portal.ecmwf.int/data/d/era40_moda/) for certain ...
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238 views

How to automate downloading “slices” of data from Web Coverage Service (WCS)?

I'd like to automate downloading "slices" of data from a WCS service. This is a WCS 1.1.2 service, supporting netCDF. The data are updated daily - forecasts from an atmospheric regional model - and ...
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518 views

How can I export a shapefile to netCDF?

I have a shapefile of the worlds biomes Terrestrial Ecoregional Boundaries Shapefile (TNC), 12/14/09, 50MB download from available from http://conserveonline.org/workspaces/ecoregional.shapefile ...
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597 views

Extraction of DEM from netCDF file into ASCII XYZ format

I need to extract a DEM of a waterbody from a netCDF file so I can ultimately convert the DEM into xyz format. I'm not sure how to go about doing this, and so far, I have tried to create raster layers ...
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131 views

Geoprocessing Service to return Multidimensional Raster from a NetCDF file

I have tried to make this work for weeks with no results. I am trying to create a model in ArcMap that uses the Multidimension Tool "Make NetCDF Raster Layer" and return a raster to which I can apply ...
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370 views

Imported netcdf file doesn't project correctly - help!

I have 360 netcdf files (.nc) that I need to import into ArcGIS. They hold monthly historical climate data in the U.S. When I tried to import one, using the Make NETCDF Raster Layer tool, the ...
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237 views

Consume netcdf Data with ESRI Javascript API?

We've got loads of raster data that can be organized by time, so we thought packaging them into netCDF would be a good a idea. But we also want to serve out the data to a web application that ...
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884 views

Conversion of GRIB and NetCDF to my database

. I have downloaded "High Resolution Initial Conditions" climate forecast data for one day, it was in extension .tar.gz so I extracted it in my local directory and I get the files like in the ...