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Parameter Group Editor [HGA+ only]

 

The Parameter Group Editor allows you to define and manage groupings of project parameters. Parameter groups make it easier to find and work with parameters in other modules, such as the results pane of the Sample List view, Sample Reports, Plot Collections, Map Viewer, and R-Console. HGA+ includes some automatic parameter groups as well as custom parameter groups.

 

The 'Parameter list' (left) side of the Parameter Group Editor includes a list of parameters from which to select and build parameter groups. You can filter the parameter list using the 'Parameter group' dropdown, which includes both automatic parameter groups and custom parameter groups. The 'Manage parameter groups' (right) side of the Parameter Group Editor includes controls that allow you to edit parameter groups.

 

Automatic parameter groups

There are a number of parameter groups that are built into Hydro GeoAnalyst. The list of parameters within each of these automatic parameter groups is dynamically generated by Hydro GeoAnalyst as follows:

Analyzed Parameters: includes measured parameters with at least one result

All measured parameters: all measured parameters included in the project database

Modeled Parameters: added parameters from the default thermodynamic database in the project

Cations: measured parameters with a positive valence

Anions: measured parameters with a negative valence

Ions: measured parameters with a non-zero valence

Required: measured parameters required in calculations/functions and commonly used in many of the plots

Used in standard: measured parameters that are included in an active water quality standard

Custom calculated parameters: parameters that are flagged as enabled for use with the Parameter Calculator

 

Custom parameter groups

In Hydro GeoAnalyst, you can create and manage custom lists of parameters using the right side of the Parameter Group window. Custom parameter groups can be used to facilitate working with the sample list view, plot collections, and sample reports. Custom parameter groups can be generated using the controls described below.

 

Parameter Editor Toolbar

The Parameter Editor contains the following controls:

Parameter group: allows you to select which parameter group is active.

New Parameter Group: creates a new empty parameter group.

Generate a New Parameter Group: creates one or more new parameter groups based on parameters associated with unique values from a specified field (e.g. analysis method) in the Sample Results table.

Save: saves changes to the active parameter group.

Rename: allows you to rename the active parameter group.

Delete: deletes the active parameter group from the database.

Remove Parameter: removes the selected parameter(s) selected from the active parameter group on the right side of the Parameter Group Editor.

Add Parameter: adds the selected parameter(s) selected from the parameter list on the left side of the Parameter Group Editor to the active parameter list

Add All Parameters: adds all parameter(s) selected from the parameter list on the left side of the Parameter Group Editor to the active parameter list

Remove All Parameters: adds all parameter(s) selected from the parameter list on the left side of the Parameter Group Editor to the active parameter list

 

 

Generating Parameter Groups from a Field

Hydro GeoAnalyst Allows you to generate parameter groups based on unique values in a field in the Sample Results table. For example, if your Sample Results includes a "Parameter Group" (e.g. Trace Metals) or "Analytical Method"  (e.g. EPA Method 200.7) field, you may wish to create parameter groups for parameters associated with unique values in the specified field.  To do this, open the Parameter Editor module, as described at the top of this section, and click the "Generate New Parameter Group" button [], which will open a window similar to the image below with a list of fields in the Sample Results table:

 

Simply select the appropriate field (e.g. Group) and Hydro GeoAnalyst will iterate through your database finding each parameter that is associated with the unique values in that particular field.

 

Please Note: if a parameter is associated with more than one value, it will appear in both groups. For example, if lead was analyzed in the same project using both EPA Method 6010C and by EPA Method 200.7, results from both of these methods would be returned for the either of the automatically created created groups if they both point to the same parameter for lead.

 

If you are satisfied with the groups that will be created, click OK and they will be added to the list of parameter groups available in your project with the prefix "Group - " appended to the value(s) found in the specified field.

 

 


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