The creation of a Problem Type involves the creation of a directory located inside the \problemtypes GiD folder, with the name of the problem type and the extension .gid.

Note: now it is also possible to have a /problemtypes extra folder located at the <GiD user preferences folder>. This is interesting in case that the user doesn't has privileges to copy a problemtype inside <GiD folder>/problemtypes

Problemtypes that exists when GiD start will appear in its menu (see Problem type from Reference Manual).
The problemtype configuration files are a collection of files inside this subfolder. The name for most of them will follow the format problem_type_name.xxx where the extension refers to their particular function.
Considering problem_type_name to be the name of the problem type and project_name the name of the project, file configuration is described by the following diagram:

Directory name: problem_type_name.gid
Directory location: c:\a\b\c\GiD_directory\problemtypes

Configuration files

problem_type_name.xml XML-based configuration
problem_type_name.cnd Conditions definitions
problem_type_name.mat Materials properties
problem_type_name.prb Problem and intervals data
problem_type_name.uni Units Systems
problem_type_name.sim Conditions symbols
***.geo Symbols geometrical definitions
***.geo Symbols geometrical definitions ...

Template files
problem_type_name.bas Information for the data input file
***.bas Information for additional files
***.bas Information for additional files ...

Tcl extension files
problem_type_name.tcl Extensions to GiD written in the Tcl/Tk programming language

Command execution files
problem_type_name.bat Operating system shell that executes the analysis process

The files problem_type_name.sim, ***.geo and ***.bas are not mandatory and can be added to facilitate visualization (both kinds of file) or to prepare the data input for restart in additional files (just ***.bas files). In the same way problem_type_name.xml is not necessary; it can be used to customize features such as: version info, icon identification, password validation, etc.

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