Default Transfer Function Properties

Profile [|>]

Selects the parameter profile for this command and allows you to save or work with existing presets.

Sample

The Sample control determines the region where the image intensity is sampled for calculating the transfer function. The options are as follows:

Full Image: Samples the entire image.

Cursor: Samples the region inside the Image Cursor.

Cursor Live: Samples the region inside the Image Cursor and updates as the cursor moves. This slows cursor movement.

Range

The Range specifies how the intensity limits are calculated from the sample region. One of the options allows you to force the minimum and maximum to specific values.

Stretch

The Stretch provides options for extending the transfer function to higher or lower intensity. The options are as follows:

Linear: Uses no Bias with equal Grayscale spacing between the transfer function's limiting values.

Log: Extends the transfer function to greater contrast at lower intensity values.

Gamma: Extends the transfer function to higher or lower intensity based on the gamma setting. A gamma less than 1 biases toward higher contrast in lower intensity, and vice versa.

Gamma Slider

Sets the gamma value when Gamma Stretch is selected.

Min Z

Specifies the minimum Z (intensity) value. This is active only when the Specify Z Stretch is selected.

Max Z

Specifies the maximum Z (intensity) value. This is active only when the Specify Z Stretch is selected.

Min %

Specifies the minimum percentile intensity. This is active only when the Percentile Stretch is selected.

Max %

Specifies the maximum percentile intensity. This is active only when the Percentile Stretch is selected.

Contrast

Specifies the contrast value when the Autoscale Stretch is selected.