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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2k 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 ...
4
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72 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 ...
4
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59 views

Resampling netcdf file

I have several years of precipitation data from CHIRPS that has a resolution of 0.05 degree. I'm currently working on a recharge script that has static data resolution of 0.01 degree. I'm trying to ...
3
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441 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
3
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205 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 ...
2
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25 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 ...
2
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141 views

NetCDF to Shapefile with Python and GDAL?

I need to save my outputs, which are netcdf files or panda python tables, to shapefiles. They cannot be rasters because the software I am loading them into accepts shapefiles only. I have googled ...
2
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62 views

Extracting Multivalues to Points from NETCDF4 Raster using ArcPy seems imprecise?

I'm getting some strange results in a multivalues to points extraction from a NETCDF4 layer from the MERRA reanalysis product. In particular, it seems like the values being assigned are way off in ...
2
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54 views

How to edit netcdf file to create eddies on the map?

I have a netcdf file about Sea Level Anomalies in the global range, and I can open this file in Arcgis using "Multidimension tools - Make NetCDF Raster Layer" as a map, now I want to create some ...
2
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316 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 ...
2
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0answers
87 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 ...
2
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391 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 ...
1
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0answers
23 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 ...
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26 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 ...
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0answers
48 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 ...
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0answers
52 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?? ...
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0answers
73 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). ...
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0answers
36 views

CF convention and GDAL projection

I'm trying to create some NETCDF4 CF compliant files from some code that generates GDAL compatible files. I was wondering whether there is a simple translation from GDAL (or proj4) projection ...
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0answers
40 views

netCDF import problem in QGIS (XY issue)

I working with a netCDF file related to precipitation over time in QGIS. When I import the file, QGIS reads the data indicating y-coordinate, instead of timestep, as the dynamic dimension to associate ...
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110 views

How to import netcdf in qgis

I have been trying to impot netcdf files following this guide online http://www.ggiuliani.ch/download/netcdf_qgis_GG.pdf into qgis 2.10 with no success. ALthough the file is imported, the dimensions ...
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58 views

R raster stack 4 dimensions

I am trying to create a raster stack / brick from a list of ncdf files with the dimensions 160x160x24x1). r = stack(files) This gives me a raster stack but without the 4th dimensions which is ...
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175 views

Calculating Climate Suitable Days using netCDF4 and Python?

This is a follow up to netCDF4 Python climate algorithm I’m relatively novice in using netCDF files, so I’m wondering if someone can check my logic on my process of delineating what has been defined ...
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111 views

How to harvest a thredds server correctly with geonetwork?

I am trying to harvest datasets (NetCDF) from a thredds server using geonetwork 2.10. People shall upload their NetCDF files to the thredds server and the CatalogScan element will list them. After the ...
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298 views

How to avoid “Unable to compute a transformation between pixel/line”?

I am trying to re-project from Equi-rectangular to the NASA global EASE grid (Equal Area Scalable Earth) grid 1383 586 with a ~25 km cylindrical projection (ESPG=3410). The file is provided as HDF5. ...
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57 views

netcdf python error

I am basically copying and pasting the code provided on Esri's website and every time I try to run it in ipython, the program crashes and needs to restart the kernels. The code is below, does anyone ...
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0answers
142 views

netCDF GDAL C# - time:unit?

I'm trying discover how to read the time:unit variable information information from a netCDF file and have run out of ideas. Without this info i cannot auto-magically process the files by date (which ...
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30 views

Requirements to create ESRI Grid from CF-compliant NetCDF?

I found a lot of information how to create an ESRI grid from NetCDF without ever finding a list of requirements for the NetCDF format. CF compliant does not seem to be enough for ESRI sometimes. What ...
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0answers
58 views

FMRC feature in THREDDS presents timesteps incorrectly

I'm trying to set up a Forecast Model Run Collection using THREDDS. I have a collection of netCDF files, where the time at which the simulation was run is part of the filename: forecast_YYMMDDHHmm.nc ...
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267 views

gdalwarp with NETCDF files

I have been looking for it for a while but couldn't find what exactly I need. I have WRF outputs in NETCDF format and I want to convert them to Geotiffs with gdalwarp. I think my -s_srs should be ...
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62 views

Displaying band names in netcdf file in ArcGIS 10

I have several netcdf files that contain multiple bands with useful names. When I import into R, the names are intact. However, when I import the netcdf files into ArcGIS 10.2 using the makeNETCDF ...
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108 views

different data range of raster file in mapserver and qgis

a NetCDF file with only one band with a data range from [0,1.1]. IDV & QGIS identifies it correctly, however gdalinfo finds the data range [1,26505]. Or could it be possible that gdalinfo is right ...
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262 views

How to extract NetCDF raster values to time enabled shapefiles?

Does anyone know a good way to extract NetCDF raster values to each data point from a time enabled shapefile at the correct time? I have tried using a python script tool and a loop that steps ...
1
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0answers
38 views

GDAL Plugin with a different version of GDAL aready built into QGIS

My qgis windows version is 1.8.0 Lisboa and use the gdaltools in version1.9.2. I want to use the plugin NetCDFBrowser, but this plugin need the gdal 1.10. I install 1.10 stand-alone gdal found here ...
0
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21 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
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0answers
22 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 ...
0
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0answers
25 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 ...
0
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0answers
30 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 ...
0
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0answers
10 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
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0answers
24 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. ...
0
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0answers
38 views

Using the “Extract to point tool in ArcGIS”?

I have downloaded some netCDF data from Tamsat and have successfully imported it into ArcGIS. However, I am getting no values when I used both the "Extract multi values to point" and the "Extract ...
0
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0answers
30 views

Writing process to load *.nc files using ModelBuilder?

I need to write some model which will allow me to load data (*.nc)- many files with different names and save as tiff files. Input - *.nc files Output - *.tiff files (32 Float) I m completely new in ...
0
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0answers
38 views

SST(Time,Lat,Lon) from NetCDF File [java] [jfreechart]

I want to plot data from netcdf file like an ocean model. Is there any way to transform LatLonProjection (-180.0 to 180.0): to this range (ocean model): And plot like this: I am using java ...
0
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0answers
47 views

ArcGIS for Desktop not loading NetCDF file?

I have several NetCDF files that I am trying to load into ArcGIS 10.2 for Desktop. I've tried both the "Make NetCDF feature layer" and "Make NetCDF raster layer" tools. In both tools, when I ...
0
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0answers
30 views

NetCDF Qgis problem

I have a problem with importing a NetCDF file in Qgis. I added the file as a raster layer and I can see the layer. Now I want to change the colours by using the classify function in the properties ...
0
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0answers
77 views

How to convert/interpolate feature layer to raster layer?

According to ESRI documentation about Making NetCDF Raster Layer: To create a netCDF raster layer from a netCDF variable, the spacing between x-coordinates must be equal and the spacing between ...
0
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0answers
69 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 ...
0
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35 views

GIS only shows the Latitude and does not shows Longitude in nc format file?

I've downloaded a global data-sets contained of .nc format. I tried to open it in ArcGIS model. I used the function Make NetCDF Table View to view the data, when i selected the Dimension, it only ...
0
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0answers
40 views

NetCDF4 Files: Missing Projection & Varying Dimensions (Multiple Files)

All, I hope you can shed some light on issues I've been having regarding NCEP Reanalysis-I netCDF-4 file format: First issue, Projection information is not stored on the downloads I obtained from ...
0
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0answers
117 views

PyGrADs: Importing NOAA Rainfall (.rt)/Exporting NetCDF

I am in the process of automating a workflow from downloading NOAA's Climate Prediction Center's Daily Rainfall data in Binary, using GrADS to convert and export to NetCDF, then arcpy to extract ...
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127 views

Visualizing Space-Time-Cube netCDF file in ArcMap 10.3

I just created a netCDF file containing a Space-Time-Cube with 353 time steps using the new "Space-Time" Toolbox in ArcMap 10.3 However it seems, that only ArcGIS Pro can visualize this netCDF file ...