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README for Windows Users |
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The following contains some specific comments for people who have |
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installed ASCEND on Windows using the binary 'setup' installer. If you have |
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built you own copy of ASCEND from the source code, comments here may not |
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apply to you. |
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For more information about and support for ASCEND, consult our home page: |
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http://ascend.cheme.cmu.edu/ |
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ASCEND documentation (such as it is) is available at the above link. |
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Running ASCEND |
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There are two different GUIs for ASCEND. Depending on the software that was |
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available on your machine at the time when you installed ASCEND, you may |
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have either the Tcl/Tk GUI and the PyGTK GUI, or both of these, or neither. |
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The newer GUI is the PyGTK GUI. It looks nice and is under active development. |
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An alternative GUI is the Tcl/Tk GUI which is older but still somewhat more |
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stable and complete than the new GUI. It is not really under active development |
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any more, however. You can choose for yourself. |
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Running the PyGTK GUI |
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ASCEND can be launched from the Start menu. If you didn't choose to install |
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the Start menu shortcuts, you can run ASCEND using |
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c:\Python25\pythonw.exe c:\Program Files\ASCEND\ascend |
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The location of 'pythonw.exe' and 'ascend' may be different depending on |
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where you installed Python and where you installed ASCEND. |
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You can also launch the PyGTK GUI for ASCEND by double-clicking on files |
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with the .a4c or .a4l extension. The installer will associate ASCEND with |
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those file extensions. |
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There is not yet a manual for the PyGTK GUI. The 'Help' menu also provides |
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access to the online manual. |
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Running the Tcl/Tk GUI |
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The Tcl/Tk GUI can be run from the Start menu. |
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If you didn't select to install start menu shortcuts, you can launch it |
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via |
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c:\Program Files\ASCEND\ascend4.exe |
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The file location will depend on the folder where you chose to install ASCEND. |
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There is no file association for .a4c and .a4l files with the Tcl/Tk GUI. |
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Note that .a4s files are 'scripts' for the Tcl/Tk GUI. |
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A PDF-file manual has been written for the Tcl/Tk GUI and may be downloaded |
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from the ASCEND wiki. |
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If ASCEND Stops Working |
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An easy way to break ASCEND is to remove some of the software it depends |
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on in order to work. This includes uninstalling Python, GTK+, Tcl/Tk, |
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PyCairo, PyGObject, PyGTK, IPython, Numpy, Matplotlib and possibly others. |
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The best thing to do in this case is to uninstall ASCEND using the |
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Add/Remove Programs control panel, then attempting to re-install it. At this |
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point, the installer should tell you what components you are missing. |
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Configuration settions |
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There are configuration settings in the Windows Registry that the ASCEND |
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PyGTK GUI uses to determine where its files have been installed. |
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There are also per-user settings installed in |
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c:\Documents and Settings\yourusername\Application Data\.ascend.ini |
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This last file can be edited if you want to add new folders to your |
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ASCENDLIBRARY path, for example if you are building up a collection of your |
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own ASCEND models in a directory of their own. |
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For example: |
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[Directories] |
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librarypath = C:\Program Files\ASCEND\models;C:\Program Files\freesteam\ascend |
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Other settings are also stored in this file. You can delete this file if you |
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to revert to the default settings that ASCEND used when you first installed |
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it. |
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Neither .ascend.ini file nor the Windows Registry are used by the Tcl/Tk |
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version of ASCEND. Instead, a number of files are stored in the 'ascdata' |
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folder within your My Documents folder. |
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-- |
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John Pye |
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2 Jun 2007 |
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