Table of Contents

The Block Attribute Table
Summary Accounts
Creating Summary Accounts
Group Summary Accounts
Defining groups
Using the Majority Tool to Define Groups
The Group Explorer
Loading Group Accounts in the PIN File
Ratio Accounts
Duplicate Accounts
Meta Accounts
Patch Accounts
Understanding the patch criteria attribute
Setting up a patch criteria account
Patch Sub-Account Types
Setting targets on patch accounts
Route Accounts
Route Account Types
Destination accounts
Exclusive Accounts
Route Cost Accounts
Unutilized Route Account
Exclusive Dependent Accounts
The Account Explorer
DOT Flow Charts
Complex DOT Flow Charts

Accounts are Patchworks modeling objects that are used to summarize and roll-up detailed stand level information into broader summaries. These accounts help to control analysis and summarize output. Attributes describe stand level dynamics, i.e. one block; whereas accounts are used to aggregate block level attributes up into forest wide summaries. Every account that we define has an associated 'Target Chart' that allows us to control objectives in the model. Target charts render each account as a histogram and displays dynamic values as the model is running (see Figure 33, “The Target Chart Associated with the Account for Conifer Yield”).

Figure 33. The Target Chart Associated with the Account for Conifer Yield

The main purposes of using accounts are:

Accounts are defined in the accounts.csv or in the PIN file. Accounts can be defined for specific geographic areas, or for the entire forest. For example, it is possible to create accounts that sum attribute values for individual watersheds or sub-units of the forest.

Several different types of accounts allow complex target setting and reporting. The following account types are available in Patchworks

In the following sections, we will provide a description of each account type. Before we do, we will have a quick review of the block attribute table, a key soure of information on the inputs and outputs from accounts.