Download the current stable version

Introduction

This page describes several ways to download the code and its documentation.  A complete download of the code will include the source, a large set of atomic data files, the test suite that is used to validate the code's behavior on your system, the test suite output, and the code's documentation Hazy.  Each will be in its own directory and each directory has a readme.htm file that describes the contents of that directory in greater detail.

The download will come as a tar'd and gzip'd archive that should be opened keeping the directory structure intact. The tar.gz  files must first be uncompressed with gunzip,  If you are on a unix clone the command to unzip a file named name.tar.gz would be "gunzip name.tar.gz".  You will then have the file "name.tar".  Then explode the archive with "tar -xf name.tar".  This will retain the directory structure within the archive.  On Windows you will need WinZip or a compatible program.

The archive files have version numbers included in their file names.  An example might be C06_02c.tar.gz, containing the full distribution for version 06.02c.  The version number is the date in the form yy.mm where yy is the last two digits of the year and mm is the number of the month.  When new versions of the code are released they will simply be placed in the appropriate directories and an announcement posted on the Cloudy discussion board.

These files should not be exploded into a directory that contains an old copy of the code since you will then have a mix of new files and old files that were not overwritten.  You may then have strange errors caused by accidental use of the old files.  If you use an existing directory then delete all files before exploding the new source.

After the download is exploded you will have the following directory structure:

There are several ways to obtain this download.

Option 1 - a single large download

If you can download a 20 mb file then you can get a single archive that contains all the files.  This is the simplest way to get the code and is recommended.  The file is in the root directory of the ftp site with the name cYY.MM.tar.gz.  

Option 2 - lots of smaller downloads

If you have trouble with a single large download you can obtain a group of smaller files.  They are located in directories below this ftp site.  There is no directory structure within these download files.  Create subdirectories named "data", "source", and "tsuite".  This is done by "mkdir xxx" where xxx is the name of the directory.   Then explode each file in the correct directory.

Option 3 - the subversion archive

You can also get the files directly from its svn repository.  The code lives in a subversion repository.  The ViewVC link is here.  Navigate down to the tag giving the current stable version.  Click on cloudy / tags / name_of_version.  There you will see an option to create and download of tarball of the directory and its subdirectories.

Old versions of the code

Every version of Cloudy that ever has been the current stable version is still on the web site.  Old versions of the code are located on the same ftp server below this directory.  Old versions are in the cloudy_gold_old directory.

Next step: edit path.c to point to the data files. 

Last changed 11/11/06.
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Copyright 1978-2006 Gary J. Ferland