GTC is available without charge from http://mst.irl.cri.nz. Registration is required and use of the tool is subject to a non-
exclusive, non-transferable and non-sublicensable limited end-user license agreement (License).
Prior to version 0.9.9,
GTC was installed under
Program files, or
Program files (x86), in the Windows file system (typically,
C:\Program files (x86)\GTC). If you have one of these earlier versions then remove
GTC (see Uninstalling) and copy any user-defined files to a safe place before deleting the old
GTC installation folder completely. After installing the new version of GTC, copy any user-defined files to an appropriate folder and update the
GTC_LIB environment variable if necessary (see Windows environment variables).
By default, the installation creates a user
lib folder under
My GTC in the user’s home directory (typically, e.g.,
C:\Users\user.name). If user-defined modules are copied here, there is no need to update the
GTC_LIB environment variable.
setup.exe to install the GUM Tree Calculator software.
- Installation is for a single user only (administrator rights are not required during installation, but it may be necessary to reboot the computer).
- The software will be installed under the user’s
AppDatafolder (for example,
- The user
AppDatafolders are hidden by default (this can be changed in the Windows Explorer ‘Folder options’ settings).
- The user’s
pathenvironment variable is modified and options are added to the Windows Explorer Extended Context Menu (see also Windows environment variables).
GTCentry is created in the Windows Start Menu. This entry contains shortcuts to the
GTCcommand prompt (see The Command Prompt), as well as help files and an editor (see The SciTE editor).
Several options in the installer software relate to the extended Windows Explorer context menu.
- The context menu items for the SciTE editor and SendTo for
GTCcan be installed.
- A user
My GTCfolder can be created, in which case a subfolder
exampleswill be created, containing some of the files referred to in this manual; a
libfolder will also be created and the path to this folder will be added to the user’s
GTC_LIBenvironment variable (see Windows environment variables); a
scriptsfolder will be created and the path to this folder will be added to the user’s
The Add / Remove Programs utility of the Windows Control Panel can be used to remove the software.
Alternatively, there is a link to
uninstall.exe in the
GTC Start Menu folder. The
uninstall.exe program is located in the installation folder (e.g.,
GTCwill not remove any user-defined modules stored under the installation folder (e.g., in
C:\Users\users.name\AppData\Local\GTC\lib), nor does it affect any user changes to the environment variable
Several forms of documentation are provided, which can all be accessed from shortcuts in the
GTC group in the Windows Start menu. Note that the HTML documentation is best viewed with the Mozilla Firefox browser.