A number of environment variables can be set to control the behaviour of mGstat. The environment variable can be set in the operating system, or directly through Matlab using:
setenv('ENV_VAR_NAME','ENV_VAR_VALUE');
The amount of information printed to the screen when using mGstat can be controlled by the setting the MGSTAT_VERBOSE_LEVEL. By default it is set to
setenv('MGSTAT_VERBOSE_LEVEL','1')
A higher number increase, while a smaller number reduce the information printed to screen.
There are different definitions of semivariogram models. To make use of the definions used by GSTAT and S-GeMS (and GSLIB) set the following:
setenv('SEMIVAR_DEF','GSTAT')
setenv('SEMIVAR_DEF','SGeMS')
The default is to use SGeMS definitions. See also “Modeling spatial correlation”.
The installation directory of S-GeMS can be given by the variable:
GSTLAPPLIHOME
This is used to find the executable file for launching S-GeMS.
If you are using the development version of S-GeMS you should set this variable to 1:
setenv('SGEMS_DEV','1')
The default option is to you the stable version of S-GeMS, and then this variable does not have to be set.
Note that mGstat may not yet support the latest development version of S-GeMS, so it is not recommended to use the development version for normal users.
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