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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How to clip a spatial polygon to a large matrix (that is plotted as a large trellis, originated as a netcdf) in R?

I would first like to issue a disclaimer that I am a novice at GIS, and I have only just begun learning R. So if I use the wrong terminology for something or my question is confusing, please help ...
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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 ...
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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, ...
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658 views

problem to open a netCDF and create a raster file

I want to open a netCDF file and create a raster with ArcMap 10.2. The file contains the mean monthly temperature for Switzerland. I found it in meteoswiss web site. I tried to open it with the ...
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2answers
2k 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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107 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=...
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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 ...
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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 ...
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92 views

What are the units in GMTED2010 elevation data?

I have downloaded the GMTED2010 elevation data from http://topotools.cr.usgs.gov/gmted_viewer/viewer.htm I am merging all the files/tiles (to create a global dataset) with: gdal_merge.py There is ...
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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 ...
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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=...
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28 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.
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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 ...
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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 ...
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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 ...
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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 ...
3
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1answer
959 views

Extract data from netcdf using a shapefile polygon in python

I need to subset data from a NetCDF using a specific shapefile. The data are sea surface temperature and ocean color at 1/4 degree resolution. I have 4 polygons describing the US. Northeast ...
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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 ...
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2answers
146 views

Extracting a large layer from NetCDF using R

i am trying to extract specific data from an .nc file my nc file has the following variables hur-relative humidity lat-latitudes lon-longitudes time-time plev-pressure levels so i ...
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1answer
32 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 ...
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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 ...
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1answer
80 views

Is it possible to append data to existing NetCDF file using ArcGIS or ArcPy?

There is a Raster to NetCDF tool for converting raster to NetCDF using ArcGIS. I need to append raster data as dimension to NetCDF? How to do that using ArcGIS or ArcPy?
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16 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....
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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. ...
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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 ...
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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: ...
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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 ...
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2answers
514 views

How to open and plot Globcolour chlorophyll image in R?

Level 3 globcolour chlorophyll images (download from hermes) are in netCDF format. Those files can be imported via ncdf package to R 3.1. ch.nc = open.ncdf("E:/Data/globclour/L3b_20140101-...
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1answer
38 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 ...
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41 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 ...
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224 views

Extracting, stacking and calculating Standard Deviation from NetCDF (.nc) to produce single standard deviation and Mean image in ArcGIS for Desktop?

I have a NetCDF file for several years of monthly Climate data ( Precipitation,PET,Temp,etc) data from CRU 3.22 (Climate Research Unit). I want to extract a subset of the dataset namely 2000-2010. And ...
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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. ...
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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 ...
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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....
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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 ...
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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
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67 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 ...
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1answer
101 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 ...
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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 ...
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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. ...
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35 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 ...
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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 ...
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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 "...
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1answer
70 views

How to read in a NetCDF file in IDL and save out to a GTIFF, single routine?

Does anyone have a simple script to read in and then save out a NetCDF file to a tiff file? The files I have lat / long / and a precipitation variable, that's it. I'd like to convert a list of them in ...
3
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1answer
144 views

Open a NetCDF file with multiple time step on QGIS (using Python console)

How to load a NetCDF-file into QGIS using Python? explains well how to load a NetCDF with PyQgis. However, it did not help me to choose among all the available time steps. Is there a way to import a ...
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3k 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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1answer
145 views

Programs/ languages to process netcdf files “fast”

I am using R to loop through thousands of NetCDF files (downscaled climate data), and while I am able to do it using R, the code is too slow. I am looking for a way to speed it up and to maintain ...
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54 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....
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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 ...
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4k views

Batch conversion of netCDF to Raster in ArcGIS using Python

I'm having trouble using the Dimension Values (Optional) argument in arcpy.MakeNetCDFRasterLayer_md. Whatever I seem to do the output raster is always the first layer which is the default value. ...