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.

learn more… | top users | synonyms

0
votes
0answers
9 views

What is a Station Variable?

I am using the Multidimension Supplemental Toolbox, Zonal Statistics in ArcMap and I continue to get an error stating 'Variable is not a station variable'. What does this mean and what can I do to ...
1
vote
0answers
20 views

How to Remove No Data from a NetCDF Raster Layers?

Question: How to remove no data from a NetCDF Raster Layer? I am trying to use the Zonal Statistics as Table tool in ArcGIS to calculate the mean. The problem is I am not getting the correct mean, ...
4
votes
2answers
52 views

Precipitation data raster

I'm using the TRMM 3B43 precipitation data. I have downloaded individual NetCDF files depicting yearly accumulation in mm for each year from 2000 to 2015 (16 files). I have imported each file into ...
0
votes
0answers
12 views

How to convert time variant data within netcdf file?

I'm developing a webapplication and i want to include different global climate raster datasets with temperature and precipitation values. I have found a good temperature dataset, but unfortunately the ...
2
votes
1answer
17 views

Where to put the sub dataset in a windows loop when running gdal translate on NetCDFdata?

I need to run below command and it works great (note the -sds). for %A in ("C:\temp\*.nc") do gdal_translate -a_nodata 65535 -stats -ot Float32 -unscale -a_srs "+init=epsg:4326" -sds -co COMPRESS=...
0
votes
0answers
29 views

Concatenate netCDF files of different time span

I already asked this on Stack Overflow (here). Sorry for double posting, but I am also interested in other possible GIS solutions than what I tried with R and NCO on a Windows environment.
1
vote
0answers
35 views

How to extract the study area from a netCDF by a shapefile boundary with Python?

I have a global size netCDF document, the variable is three dimensions, including time. lat and lon. I have a shapefile boundary for my study area, both of them have same projection. How can I extract ...
0
votes
1answer
28 views

Set projection (netCDF) with R-ncdf4-Package

I want to create a netCDF-file that has a defined projection ("WGS 84 / UTM zone 32N") with the netcdf4 package in R. The input float array has the size of x=880 and y=760. So i define the two ...
1
vote
1answer
42 views

Convert and plot python basemap and netCDF file in UTM zone 45N

I have a netCDF file with precipitation output for one year. I have a problem with aligning the basemap and netCDF file, and plot them in the same coordinate system. The netCDF file covers the ...
1
vote
2answers
47 views

Values extracted from NetCDF not matching original raw data

I am working with monthly rainfall data from University of Delaware which is available as a NetCDF from NOAA and raw text from UDel's homepage. I would prefer to use the NetCDF format but when I ...
0
votes
1answer
33 views

Plot in rstudio a NetCDF File - latbox by lonbox

I have two NetCDF-Files. One of them holds information about the temperature in 2m (t2m) , the other one about outgoing long wave radiation (olr). I want to make a scatter plot. The first part of this ...
1
vote
0answers
14 views

how to prepare tiffs to create a netcdf file

I´d like to create a netcdf file containing a mean and stddev for some variables for 12 months. At this moment each geotiff (270MB) is either a mean or stddev of a month. Now my problem is that I ...
3
votes
1answer
46 views

FOSS way of creating space time cube?

I've been experimenting with ArcGIS Pro's "Visualizing Space Time Cube" tool but found that there is a feature limitation when I try to publish it via ArcGIS Online. My goal is to publish it on the ...
0
votes
0answers
18 views

Merging multiple netcfd files into a single file

I have rainfall outputs from a climate model on daily basis for about 90 years. I am looking for ways to merge multiple netcdf files having same variables for different time periods. Such as prec_2011....
2
votes
0answers
55 views

How to display SRTM15 PLUS netcdf grid? [closed]

I'm trying to display SRTM15PLUS netcdf grid (topo15.grd) with different software (QGIS, ArcGIS, IDV) but I always get the same messed up result. Any suggestions? SRTM15PLUS grid is available here: ...
0
votes
0answers
22 views

WRF Global variable definition

I have recently started using NetCDF libraries to extract variable values from WRF output (.nc) files. Following are values of the global variables of a d03 output file: SOUTH-NORTH_GRID_DIMENSION ...
0
votes
2answers
46 views

Randomly extract value in time dimension at point location from NetCDF?

I have a set of point locations (point feature dataset) and a netCDF file containing 30 years of daily precipitation data. My goal is to randomly select a precipitation value in the time dimension ...
0
votes
0answers
43 views

What's the relationship between NetCDF dataset and ncdf4 class in R

I want to process ERA reanalysis data in R so I install RNetCDF package and ncdf4 package.When I open my reanalysis file using open.nc() and nc_open() functions separately in two packages, I found my ...
1
vote
1answer
40 views

Opening CHIRPS' NetCDF file in QGIS

I'm trying to open a NetCDF file from the CHIRPS dataset with yearly precipitation in QGIS 2.14 (OsX) but it hasn't worked at all. I've tried using both the NetCDF browser plugin and opening the ...
0
votes
1answer
31 views

Converting raster data from netcdf to image

I'm rasterizing some wind data from oos.soest.hawaii.edu/erddap/griddap/NCEP_Global_Best to use as an overlay of a final image, but I'm having issues calculating the bounding box of the final image. ...
2
votes
0answers
22 views

Converting CDF file to NetCDF file to use in ArcMap? [duplicate]

This is a GIS question as well as a Remote Sensing question. I have downloaded CDF files from the ESA from MyEarth online and want to use them in ArcMap. In ArcMap you can Make NetCDF a Raster Layer. ...
1
vote
1answer
30 views

Arcmap - raster positioning on the map

I work in Arcmap 10.3.1. I have raster dataset - spatial reference 3413 My problem is that I can not send this data on a map. Sequence: Add raster dataset Add basemap How do I display the ...
1
vote
1answer
26 views

Swapped axes in R raster brick plot from netcdf

I am using the R raster package to import a tiny sample netcdf file, available here: https://www.dropbox.com/s/fht4g52p948vxva/persiann.ncml.nc?dl=0. The main data website is: https://www.ncdc.noaa....
0
votes
0answers
21 views

How can I create a NetCDF from precipitation rasters data in R? [duplicate]

I have a lot of precipitation raster data (more 5000 files GeoTIF), created by kriging interpolation. All grid cells have the same size and the maps the same spacial extent I want merge all data in ...
1
vote
0answers
24 views

Global NetCDF datasets with station time series data?

I´m working on a web application which uses temperatur and precipitation data. Currently i´m using only globally interpolated, multidimensional rasterdata from terrestrial stations (queried with x,y,t)...
2
votes
0answers
68 views

Failed to create a raster-brick from a netCDF file (.nc)

I am trying to build a raster-brick from a netCDF file (network Common Data Form) leave this link for more information () but to make a brick (which is part of the package raster) throws me the ...
0
votes
0answers
8 views

Plotting a NetCDF with only 1 grid cell using Panoply

I have a .nc file with only 1 grid cell (1 latitude and 1 longitude). Whenever I try to plot it in panoply, of course, all the variable appear to be 1D. Is there a way to plot the point together with ...
3
votes
1answer
90 views

Visualizing netCDF file with unknown projection

I'm having a tough time visualizing a netCDF file with poor metadata in ArcMap, which is probably not a surprise. I know the file to contain ozone concentrations over the United States. If I try to ...
0
votes
0answers
43 views

How to convert raster in UTM to lat/lon using GDAL (or other tool)

I have a .tiff file given with UTM coordinates that I'd like to convert to a .nc (NetCDF) file with latitude/longitude coordinates. I've tried with gdal_translate and gdal_warp but these did not work. ...
0
votes
0answers
36 views

Extract many bands out of a .tif

I have downloaded a netcdf file from NOAA's website, with monthly means over many years. I have opened it in ArcGis with "Make netcdf raster layer" and have converted it into a .tif file following the ...
1
vote
1answer
42 views

How to deal with two dimensional lat and lon variables in a NetCDF file in R?

I'm trying to convert a NetCDF file to a dataframe in R using the RNetCDF package. The NetCDF file is very different from what I have experience with, in that the lat and lon values each have two ...
1
vote
1answer
20 views

Does NetCDF4excel provide packed or unpacked values?

I'm using the NetCDF4excel tool to work on files from the ERA Interim database. I'm wondering whether I should adjust the values of the variables produced by the tool using each variable's "...
0
votes
0answers
55 views

Extracting weather data at multiple locations from NetCDF with python

I am trying to extract weather data from a NetCDF file at multiple locations using python. The file (AROME_MetCoOp_00_DEF.nc_20160128) is from met.no here File information: <type 'netCDF4....
0
votes
0answers
47 views

Offset and scale of netCDF rasters using Python and ArcGIS

I'm using the arcpy.MakeNetCDFRasterLayer_md command in Python to convert a netCDF archive into multiple rasters, one for each date. Below is a minimum working example of my code, that I've written ...
1
vote
0answers
37 views

Resampling netcdf file?

What is the best way to change the cell size of a netcdf file, keeping it as netcdf? I have looked into ArcGIS and GDAL and have not found anything yet. I prefer to use python if a solution is ...
0
votes
0answers
14 views

Creating NetCDF file from Rasters using ArcGIS for Desktop?

I have a series of one-band rasters (365 .tif files) and want to store these in a NetCDF format file, ideally using ArcGIS Multidimension tools. I’m interested in knowing a workflow for this is, as ...
0
votes
0answers
70 views

Changing/ updating dimension values of ncdf file in r

I posted this question to SO but in hindsight, gis.se is a much more suitable place: I have several ncdf files that do not have the correct spatial dimension values so I want to update these values. ...
3
votes
3answers
80 views

Statistical Analysis of Climate Data

I am doing a study on how a changing climate is influencing the spread of an invasive species of moth. I have climate data in the netCDF format which I have made into both rasters and point ...
3
votes
1answer
200 views

transpose large netCDF with GDAL, NCL, NCO or CDO

I have a large netCDF file (444GB) that I would like to transpose. The file is flipped with latitude on the x-axis and lon on the y-axis. See pictures of one band below. Not correct Correct: I ...
4
votes
0answers
114 views

Which statistical methods to compare the spatial distribution of two different variables in two raster maps?

I am working with two global raster maps using the R Software (original file: netCDF for map 1 and GeoTIFF for map 2), with a resolution of 5 min of arc. Map 1 contains data on the share of the land ...
1
vote
0answers
39 views

S57 Ecdis extract data

I have multiple S57 Ecdis files and would like to extract some data out of them. In specific some 'depth' data which is bound to lat/lon coordinates. I will need to bulk process all the data and group ...
1
vote
2answers
87 views

Reading *.cdf files in ArcMap?

I received some geospatial data (on rainfall) in a "cdf" format. I have worked with "nc" files and uses the 'Make NetCDF Raster Layer' tool in ArcMap to read NetCDF files. However, I wasn't able ...
1
vote
1answer
102 views

Using Panoply command line scripts

I have been using Panoply for a while now, and I noticed that you can export a command line script to reproduce the figure. If I look at the first lines of the script, it tells me that I should run it ...
1
vote
1answer
117 views

GRIB to NetCDF with GDAL, specifying dimensions

I have a GRIB dataset representing temperature over North America, in Lambert Conformal Conic (with specified central meridian, latitude of origin, etc.). It has what should be understood as a ...
3
votes
1answer
100 views

Plotting netCDF4 data with the right projection

I guess this will sound simple to you but I just cannot get the right plot within R. I have a netcdf4 file and would like to visualize it within R just like I would do in QGIS and ArcGIS. sample data ...
2
votes
1answer
45 views

Encode an azimuthal equidistant projection in NetCDF conversion

I'm trying to do Azimuthal Equidistant in CF-compliant NetCDF, but I didn't get the correct projection. If you compare the first two information (gdalinfo) you see there is no AUTHORITY and also ...
0
votes
1answer
123 views

Project NetCDF file using GDAL or QGis

Can I project a NetCDF file with the help of GDAL or QGis? The file info is: gdalinfo c:\tomcat-6.0.36\webapps\ncWMS\layers\RAIN_MM_1hour_ac.nc Driver: netCDF/Network Common Data Format Files: c:\...
1
vote
1answer
109 views

Installing netCDF plugin for Geoserver

I want to install the netCDF plugin for Geoserver, in order to publish radar data in netCDF format. I'm following the instructions listed at Geosolutions IT Training. I have to add -Duser.timezone=...
1
vote
0answers
70 views

Create ImageMosaic of NetCDF in Geoserver2.8 throw error?

I create a ImageMosaic of NetCDF and usage of PostGIS to store the mosaic indexes. It's throw error when I request by WMS. I'm use Geoserver2.8. But it's ok when I use it in Geoserver2.7. Why?? ...
1
vote
0answers
133 views

Write stacks of GeoTIFF image to NetCDF by chunk size

I converted GeoTIFF image stacks to NetCDF file with writing data by Index order (layer by layer) (this was a main solution). The problem is, it writes slowly (for 25 images - 1Gb takes 90 seconds). ...