The hnetcdf package

[Tags: bsd3, library, program]

Bindings to the Unidata NetCDF library, along with a higher-level Haskell interface that attempts to provide container polymorphic data access (initially just Storable vectors and Repa arrays).


[Skip to ReadMe]

Properties

Versions0.1.0.0, 0.2.0.0, 0.2.1.0, 0.2.2.0, 0.3.0.0
Change logCHANGELOG.markdown
Dependenciesbase (>=4.3 && <5), containers (>=0.4 && <0.6), either (>=3.4.1 && <5), errors (>=1.4.2 && <1.5), filepath (==1.3.*), hmatrix (>=0.16.0.2 && <0.17), hnetcdf, repa, transformers (>=0.2 && <0.5), vector (>=0.9 && <0.11) [details]
LicenseBSD3
CopyrightCopyright (2013) Ian Ross
AuthorIan Ross
Maintainerian@skybluetrades.net
CategoryData
Home pagehttps://github.com/ian-ross/hnetcdf
Source repositoryhead: git clone https://github.com/ian-ross/hnetcdf
Executablesexample3, example2, example1
UploadedSun Mar 1 07:46:16 UTC 2015 by IanRoss
Downloads948 total (48 in last 30 days)
Votes
0 []
StatusDocs not available [build log]
All reported builds failed as of 2015-05-19 [all 2 reports]

Modules

Downloads

Maintainers' corner

For package maintainers and hackage trustees

Readme for hnetcdf-0.3.0.0

hnetcdf

Haskell NetCDF library: as well as conventional low-level FFI bindings to the functions in the NetCDF library (in the Data.NetCDF.Raw modules), hnetcdf provides a higher-level Haskell interface (currently only for reading data). This higher-level interface aims to provide a "container polymorphic" view of NetCDF data allowing NetCDF variables to be read into Storable Vectors and Repa arrays easily.

For example:

import Data.NetCDF
import Foreign.C
import qualified Data.Vector.Storable as SV
...
type SVRet = IO (Either NcError (SV.Vector a))
...
  enc <- openFile "tst.nc" ReadMode
  case enc of
    Right nc -> do
      eval <- get nc "varname" :: SVRet CDouble
      ...

gets the full contents of a NetCDF variable as a Storable Vector, while the following code reads the same variable (assumed to be three-dimensional) into a Repa array:

import Data.NetCDF
import Foreign.C
import qualified Data.Array.Repa as R
import qualified Data.Array.Repa.Eval as RE
import Data.Array.Repa.Repr.ForeignPtr (F)
...
type RepaRet3 a = IO (Either NcError (R.Array F R.DIM3 a))
...
  enc <- openFile "tst.nc" ReadMode
  case enc of
    Right nc -> do
      eval <- get nc "varname" :: RepaRet3 CDouble
      ...