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Topic: HDF


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In the News (Fri 4 Dec 09)

  
 NYS DHCR - Housing Development Fund (HDF)
The Housing Development Fund (HDF) is a revolving loan fund established in 1966 under Article XI of the Private Housing Finance Law and administered by the New York State Division of Housing and Community Renewal (DHCR).
HDF loans may also be used to provide short term financing repaid from equity contributed by investors in low-income housing credit projects.
Generally, HDF pre-development loans are repaid from the first receipts of the construction financing; HDF construction loans are repaid from the first receipts of the permanent financing; and HDF bridge loans are repaid from equity proceeds.
www.dhcr.state.ny.us /ocd/progs/hdf/ocdprghd.htm   (314 words)

  
 HDF
HDF pre-development loans are repaid from the first receipts of the construction financing.
HDF construction loans are repaid from the first receipts of the permanent financing, and HDF bridge loans are repaid from equity proceeds.
However, from the HDF authorization, a sum of $3.0 million will be applied for Farmworker Housing, for the construction or rehabilitation of housing for migrant farmworkers through a Master Servicing Agreement executed with the Farms Bureau, Farm Credit Associations and various other lending institutions which serve agricultural producers who, in turn employ migrant labor.
www.npcnys.org /Public/State/statehdf.htm   (252 words)

  
 HDF(1) manual page
HDF is a multi-object file format that facilitates the transfer of various types of scientific data between machines and operating systems.
HDF includes Fortran and C calling interfaces,and utilities to prepare raw image of data files or for use with other NCSA software.
NCSA HDF Version 4.1 source code and documentation are in the public domain, available without fee for education, research, non-commercial and commercial purposes.
bima.astro.umd.edu /nemo/man_html/hdf.1.html   (928 words)

  
 BADC Datasets: HDF data
HDF (Hierarchical Data Format) is a file format for sharing data in a distributed environment.
HDF was developed at the National Center for Supercomputing Applications NCSA at the University of Illinois at Urbana Champaign.
HDF software is written in a number of languages including C and FORTRAN, with high-level APIs using IDL, XML and Java.
badc.nerc.ac.uk /help/formats/hdf   (199 words)

  
 FEP - Format Developer - HDF (a.k.a. HDF4)
HDF was first developed in 1988 to provide a portable, self-describing data format for accessing, moving and sharing scientific data in networked, heterogeneous computing environments, including high performance computing environments.
HDF was designed to store several different kinds of data objects, and to allow users to mix and group different kinds of data in one file, according to their needs.
HDF is not dependent on any particular medium,, but it only works effectively on random-access media.
ssdoo.gsfc.nasa.gov /nost/fep/developer-hdf4.html   (1094 words)

  
 NCSA Software Development Division Homepage   (Site not responding. Last check: 2007-09-16)
Hierarchical Data Format (HDF) is a library and platform independent data format for the storage and exchange of scientific data.
HDF includes Fortran and C calling interfaces, and utilities for analyzing and converting HDF data files.
HDF has been adopted as a standard format for the Mission to Planet Earth (MTPE) project, of which the key component is the Earth Observing System Data and Information System (EOSDIS).
archive.ncsa.uiuc.edu /SDG/Homepage/hdf.html   (136 words)

  
 Langley ASDC - Hierarchical Data Format
HDF supports a variety of data types: scientific data arrays, tables, and text annotations, as well as several types of raster images and their associated color palettes.
For each data object in an HDF file, there are predefined tags that identify such information as the type of data, the amount of data, its dimensions, and its location in the file.
HDF command line utilities are applications that allow you to perform common operations on and manipulations of HDF files.
eosweb.larc.nasa.gov /HBDOCS/hdf.html   (719 words)

  
 HDF- Homepage
HDF & Associates, LLC is an Information Technology consulting and support company specializing in service to small and medium sized organizations.
HDF enjoys a reputation as a responsive, personalized, creative and dependable firm.
HDF employees meet the need for hands-on, personalized computer and internet support-particularly for education and not-for-profit associations and organizations.
www.hdf.net   (64 words)

  
 Who uses HDF?   (Site not responding. Last check: 2007-09-16)
Aerodyne's Center for Optical Signature Recognition is primarily using HDF as a means to pass information from one application to another.
Using HDF has allowed them to be more efficient in terms of IO for their parallel application.
HDF was chosen because performance, storage precision, and portability were primary requirements.
hdf.ncsa.uiuc.edu /users.html   (2310 words)

  
 HDF   (Site not responding. Last check: 2007-09-16)
HDF is a library and platform independent data format for the storage and exchange of scientific data.
HDF is developed and supported by NCSA, and is freely available.
The DIAL Experimental Data Server that is being used at the ACE Science Center to allow web-browsing of HDF data files was jointly developed by Hughes STX and the National Center for Supercomputing Applications under contract to NASA/GSFC.
www.srl.caltech.edu /ACE/ASC/hdf.html   (253 words)

  
 ACCESS: EOS-HDF
When HDF was created, scientists were using a wide assortment of computer systems and software.
With HDF they were able to move that data from a supercomputer to the desktop and among different kinds of desktop computers." HDF has since expanded dramatically, supporting images and data compiled in multiple dimensions as well as tabular datasets that include a variety of data types.
HDF allows users to group datasets in a single file, much as PC users group data into folders on their desktops.
access.ncsa.uiuc.edu /Stories/HDF/hdf2.html   (366 words)

  
 HDF Research Page
HDF is a flexible, self-describing, hierarchical, object-oriented format designed to store complex scientific data sets.
HDF as a data repository containing many objects in a hierarcical structure.
As with the HDF object library we are not freely ditributing these procedures as they remain basic and have with minimal error checking.
www.envf.port.ac.uk /geo/research/environment/envmod/hdf   (773 words)

  
 HDF_READ
A string containing the name of a HDF file to extract data from.
Set this keyword to specify the HDF file template (generated by the function HDF_BROWSER), that defines which data elements to extract from the selected HDF file.
HDF files written with HDF4.1 or greater may not be readable.
www.rrz.uni-hamburg.de /RRZ/Software/IDL/HTML-Dokumentation/idl29c.htm   (587 words)

  
 NCSA HDF Home Page   (Site not responding. Last check: 2007-09-16)
The HDF project involves the development and support of software and file formats for scientific data management.
There are two HDF formats, HDF (4.x and previous releases) and HDF5.
The HDF software is developed and supported by NCSA and is freely available.
hdf.ncsa.uiuc.edu   (165 words)

  
 HDF
HDF (Hierarchical Data Format) is a multi-object file format that facilitates the transfer of various types of scientific data between machines and operating systems.
All HDF routines require the header "hdf.h" to be included.
HDF version 4 Documentation, which includes the Reference Manual, User's Guide and Specification & Developer's Guide.
www.psc.edu /general/software/packages/hdf/hdf.html   (214 words)

  
 HDF_BROWSER
The HDF_BROWSER function presents a graphical user interface (GUI) which allows the user to view the contents of an Hierarchical Data Format (HDF) file, and prepare a template for the extraction of HDF data and metadata into IDL.
If you have several HDF files of identical form, the returned template from HDF_BROWSER may be reused to extract data from these files with HDF_READ.
HDF files written with HDF4.1 or greater may not be readable with this browser.
www.astro.virginia.edu /class/oconnell/astr511/idl_5.1_html/idlc2.htm   (412 words)

  
 ACE Level 2 Data Implementation in HDF   (Site not responding. Last check: 2007-09-16)
Data from each instrument are stored in separate HDF data files, and separate HDF files also contain the data from the different averaging periods.
Many calls to the HDF API are required to initialize the HDF file, and to read/write the individual elements of the data structure.
HDF also provides Attributes, which can be set for either a Vdata, or for any of the fields within a Vdata.
www.srl.caltech.edu /ACE/ASC/level2/level2_sis_hdf.htm   (929 words)

  
 Software using HDF
The vtkHDFReader is an HDF 4.x reader for VTK (the Visualization ToolKit), a toolkit for writing 3D graphics and image processing applications.
Its main features are: reads all HDF data types, supports image generation from both scalar and vector data, easy browsing through 3D datasets, data exporting facilities, and an easy-to-use yet powerful interface.
Noesys opens HDF files, displays their full contents, and provides editors for working with all of the types of scientific data objects that can be stored within an HDF file.
hdf.ncsa.uiuc.edu /tools.html   (4104 words)

  
 Investigating HDF as an Astronomical Transport and Archival Format   (Site not responding. Last check: 2007-09-16)
HDF possesses several desirable attributes such as a common software interface, data object grouping structures and applicability to other scientific disciplines that makes it a potentially useful format for the astronomical community.
HDF is tied to a single organization (NCSA); therefore, it is subject to the fortunes of that organization.
HDF would benefit by requiring human-readable metadata descriptions of its data models, built according to rules similar to those used for FITS headers, and by adopting the ``primary header'' convention of a human-readable manifest as the first data object in a HDF file.
cadcwww.dao.nrc.ca /ADASS/adass_proc/adass3/papers/jenningsd/jenningsd.html   (1735 words)

  
 Tech Focus > Projects > NCSA Projects   (Site not responding. Last check: 2007-09-16)
The mission of the HDF project is to develop, promote, deploy, and support open and free technologies that facilitate scientific data exchange, access, analysis, archiving and discovery.
There are two HDF formats: HDF4.x and previous releases, and HDF5.
HDF4 was first developed (as HDF 1.0) in 1988, and is still very widely used.
archive.ncsa.uiuc.edu /TechFocus/Projects/NCSA/HDF.html   (349 words)

  
 HDF Utilities
These programs were built using both the FreeForm library and the HDF library, which was developed at the National Center for Supercomputer Applications (NCSA).
It is assumed that you have a working familiarity with HDF terminology and conventions.
The HDF file resulting from a conversion consists either of a group of scientific datasets (SDS's), one for each variable in the input data file, or of a vgroup containing all the variables as one vdata.
www.ngdc.noaa.gov /seg/tools/freeform/ffu9.shtml   (2371 words)

  
 ACCESS: EOS-HDF
NASA's use of HDF dates back to 1993, when research organizations and software companies were invited to present software packages that could provide a standardized format for working with data from the planned EOS satellites.
Although HDF was created for scientists and so far is used exclusively in the scientific community, Folk sees many additional uses for it.
Doctors and hospitals could benefit by using HDF to store a variety of electronic images about their patients—from x-rays to magnetic resonance images—in a single patient file.
www.ncsa.uiuc.edu /News/Access/Stories/HDF/hdf4.html   (395 words)

  
 HDF information   (Site not responding. Last check: 2007-09-16)
The Hierarchical Data Format, or HDF, is a multiobject file format for sharing scientific data in a distributed environment.
HDF was created at the National Center for Supercomputing Applications to serve the needs of diverse groups of scientists working on projects in various fields.
HDF is installed in /usr/local/pkg/hdf/current/ on chilkoot and the Visualization Access machines.
www.arsc.edu /support/resources/hdf.html   (166 words)

  
 HDF   (Site not responding. Last check: 2007-09-16)
HDF is developed and supported by NCSA, and is available in the public domain.
At its highest level, HDF is a collection of utilities and applications for manipulating, viewing, and analyzing data in HDF files.
HDF Release Notes contain information on changes in the current release, and information that has not yet made it into the documentation.
www.sdsc.edu /SDSCwire/v3.15/hdf_07_30_97.html   (366 words)

  
 UNIX man pages : hdf ()
HDF allows self-definitions of data content and easy extensibil- ity for future enhancements or compatibility with other standard formats.
The HDF library con- tains interfaces for storing and retrieving compressed or uncompressed 8-bit and 24-bit raster images with palettes, n-Dimensional scientific datasets and binary tables.
HDF Scientific Data Sets Scientific Data Sets (SDSs) are useful for storing n- Dimensional gridded data.
www.nrl.navy.mil /code5595/online-software/manpages/hdf-manpage.html   (845 words)

  
 HDF   (Site not responding. Last check: 2007-09-16)
All current NASA datasets are being produced in HDF, and useful utility programs are now becoming available to view and browse the data.
The HDF format and its software library are developed and supported by NCSA and are freely available.
Because the HDF format is far more comprehensive than many other formats, special browsers and viewers (using libraries available at the HDF Website) are needed to view file contents, which may include labels, metadata information, vector and gridded data, images, sensor/platform identifications, and measurement conditions (among others).
ioc.unesco.org /oceanteacher/resourcekit/M3/Formats/Integrated/HDF/hdf.htm   (177 words)

  
 MODIS Atmosphere: Tools: Subsetting Double Resolution HDF Files
This program provides both spatial and data set subsetting for HDF files where the Lat/Lon data is at one resolution and additional scientific data sets (SDS's) are either at the same or a finer (smaller) spatial resolution.
HDF files This code creates a new HDF file that may include any or all of the orginal set of geolocated scientific data sets (SDS's), with data that covers only a user specified geographic area.
That is, the HDF file must be accessible from the platform where the program is running.
modis-atmos.gsfc.nasa.gov /tools_tworessubsetter.html   (211 words)

  
 HDF -- The Next Generation
NCSA HDF is a portable, self-describing data format for moving and sharing scientific data in networked, heterogeneous computing environments.
HDF's designers understood that over time new, unforeseen requirements would emerge that HDF would not be able to handle and that it needed to be extendable.
They designed HDF in such a way that new types of data could be added when original structures were insufficient.
access.ncsa.uiuc.edu /Archive/backissues/96.1/hdf-tng.html   (1261 words)

  
 MODIS Data Tools & Services   (Site not responding. Last check: 2007-09-16)
HDF-EOS is a NASA-developed extension to HDF, which was invented at the National Center for Supercomputing Applications, University of Illinois at Urbana-Champaign.
The select_vNsds program is intended as a simple means of accessing and converting your HDF data files, either by itself or by easy insertion into your own code.
HDF was originally developed by NCSA at the University of Illinois, Urbana-Champaign, which makes available a variety of tools.
daac.gsfc.nasa.gov /MODIS/software.shtml   (1923 words)

  
 Hierarchical Data Format - Earth Observing System (HDF-EOS)   (Site not responding. Last check: 2007-09-16)
Hierarchical Data Format (HDF) is the standard data format for all NASA Earth Observing System (EOS) data products.
HDF is a multi-object file format developed at the National Center for Supercomputing Applications (NCSA) at the University of Illinois.
Converting From HDF to Binary Format Using the "hdp" Utility
nsidc.org /data/hdfeos   (205 words)

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