Mathematically Manipulate Your Data

Manipulating your information is easily performed by combining your database structure and the abundance of functions and operators available through Argus Open Numerical Environments (Argus ONE) expressions. Argus ONE expressions allow you to easily perform math, trig, string, GIS, logical, search and other operations on information stored in your Argus ONE layers. Argus ONE expressions are also available in the export template thus allowing you even greater control over your output format.

Expressions allow you to compute entities such as:

Thickness of a geological formation
Artificial distributions of physical parameters
Effective mass entering an element, node or block
Automatically assign boundary condition types and values to elements, nodes, and blocks
Control element and block size (mesh/grid density)
Calculate your model's output mass balance
Calculate your local matrices
View initial conditions distribution
Any relation between your information, data, mesh and grid layers

Creating Expressions:

Manipulating your information is performed by creating expressions in the Expression dialog presented below. The expression below calculates the saturation level in an unsaturated zone based on a retention curve (van Genuchten, 1980), for flow in a vertical cross section.

Complex Expression Specification

Accessing Functions

Argus Open Numerical Environments graphical user interface enables you to access all functions available through menus, thus reducing syntax errors. Moreover, when you approve an expression Argus ONE test the expression for syntax and mathematical errors and informs you of the nature of your error. The following screen shot shows the functions menu of a grid type layer.

Complex Expression Specification

Accessing Information Parameters

All the layers you create to store your information are called by their names and are available through menus so that you do not have to memorize your layer names. The following screen shot shows the Layers menu presenting the available layers and layers' parameters (fields).

Complex Expression Specification

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