The purpose of this survey to help to prioritize support for languages and tools used when working with the HDF5 files. Under each section please choose everything applicable:

1.What form are the HDF5 files you work with?

HDF5 Tables (Pandas / PyTables)

HDF5

netCDF-4

MATLAB files saved as HDF5

Other (please specify)

2.Which languages do you use to write applications to access HDF5-based files?

C

C++

Fortran

IDL

Java

MATLAB

NCL

Python

R

SQL (ODBC/HDFql)

I don’t write applications and use tools only

Other (please specify)

3.If you use Python to access HDF5-based files, which of the following tools do you use?

GDAL-python

h5py

netCDF4-python

Pandas / PyTables

PyHexad

Other (please specify)

4.Which tools provided by The HDF Group do you use?

Command line utilities like h5dump, h5repack, etc.

H4CF Conversion toolkit (h4tonccf)

HDF Compass

HDF Product Designer

HDF-EOS5 Augmentation tool

HDF4 to HDF5 conversion tools and library

HDFView

nagg (aggregation and packaging tool for JPSS data)

OPeNDAP Hyrax via HDF5 handler

5.Which tools provided by others do you use?

ArcGIS / QGIS

Envi

GDAL (including any GeoTIFF conversion tool like HEG)

GrADS

HDF Explorer

IDV (or toolsUI) by Unidata

McIDAS-V

NCO

OPeNDAP Hyrax

Panoply

THREDDS/LAS/GDS

ViTables

Others (please specify)