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The Training Sample Manager

Available with Spatial Analyst license.

The Training Sample Manager is the mechanism for managing training samples. With it, you can edit the class name and value, merge and split classes, delete classes, change display color, load and save training samples, evaluate training samples, and create a signature file.

The manager is accessible from the Image Classification toolbar by clicking the Training Sample Manager button Training sample manager. The following image shows the dialog box of the manager:

The training sample manager

The following table lists all the buttons on the manager and their functions:

ToolTool nameFunction

Clear training samples

Clear Training Samples

Clear existing training samples and begin a new supervised classification session.

Load

Load

Load the training sample set from a feature class.

Save

Save

Save the training sample set to a feature class.

Merge

Merge

Merge the selected training samples into a single multipart training sample.

Split

Split

Split a multipart training sample into its individual, component features. Each training sample will now be its own polygon.

Delete

Delete

Delete the selected training samples.

Up

Up

Move the selected training sample up one row.

Down

Down

Move the selected training sample down one row.

Reset class values

Reset Class Values

Renumber class values in ascending order (from 1 to n).

Histograms

Histograms

Evaluate the selected training samples with histograms.

This button will be grayed out if there is no training sample created, or if the image is stored as a floating-point raster.

Scatterplots

Scatterplots

Evaluate the selected training samples with scatterplots.

This button will be grayed out if there is no training sample created, or if the image is a single-band raster.

Statistics

Statistics

View statistics for the selected training samples.

This button will be grayed out if there is no training sample created.

Create signature file

Create Signature File

Create a signature file for use in further classifications.

Related Topics

  • An overview of the Image Classification toolbar
  • What is image classification?
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