Tone Curve Adjustment Screen

About Tone Curve Adjustment screen

The tone curve adjustment function of Color Centro uses Tone Curve Adjustment screen.

To display this screen, click Tone Curve Adjustment on the Color Centro screen. To close this screen, select Close from File menu.

The Tone Curve Adjustment screen is composed as follows;

Structure of Screen

Name

Description

Sample Picture Name

Displays the name of the sample picture selected using Select Sample. From subsequent launches, the name of the sample picture selected previously is displayed.

Select Sample

Allows you to select a sample picture from the Select Sample screen.

Tone Curve Name

Displays the name of the tone curve read using Load Tone Curve.

Load Tone Curve

Allows you to select a tone curve to be read from the Tone Curve Management screen. You can also perform tone curve management operations.

Before Adjustment

Displays the picture image from before adjusting the tone curve.

After Adjustment

Displays the picture image from after adjusting the tone curve. Every adjustment is reflected on the screen immediately.

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When multiple images are included in the Hold job of the image controller selected on the Select Sample screen, click the button to display the first image, the previous image, the next image, and the last image. This function is available, only when Hold Job is selected on the Select Sample screen.

Turns the picture image 90 degrees counter-clockwise.

Turns the picture image 90 degrees clockwise.

Displays the picture image in reduced size. You can scale down the image size until the whole image appears.

Zoom

Displays the zoom level to display the picture image.

Displays enlarged picture image. Enlargement factor can be chosen from the four steps: x2, x4, x8 and x16.

CMYK value

Displays CMYK values of the cursor position when the mouse cursor is on the image of either Before Adjustment or After Adjustment.

Only the K value is displayed on the machine.

Graph

Displays the tone curve to which the adjustment in the Brightness/Contrast tab and the setting in the Adjust Each Color tab are applied.

Selecting the Adjust Each Color tab allows you to adjust the tone curve on a graph.

Vertical axis box

Displays the output density (%) of the selected point on the curve view area. You can specify the value to move the selected point.

Deletes the currently selected point (active point).

Selects the adjustment point that is one before the active point.

Selects the adjustment point that is one after the active point.

Horizontal axis box

Displays the input density (%) of the selected point on the curve view area. You can specify the value to move the selected point.

Brightness/Contrast Tab

Adjusts the brightness and contrast.Adjustment of Tone Curves: Brightness and Contrast

Brightness/Contrast Tab

 - Undo

Cancels the currently edited tone curve.

Data is returned to the state it was in when it was last saved.

Adjustment of Tone Curves: Brightness and Contrast

Adjust Each Color Tab

Select the desired one of the following functions.

  • Combination of tone curves

  • Tone curve to be displayed

  • Tone curve to be adjusted

This function is not available on the machine.

Adjust the Tone Curve: Each Color

Adjust Each Color Tab

 - Undo

Cancels the currently edited tone curve.

Data is returned to the state it was in when it was last saved.

Adjust the Tone Curve: Each Color

Cancel Page Tone Curve

Clears the page tone curve.

This function is effective when you are adjusting a page with the page tone curve applied.

Even if there is, in the job, a page that has a page tone curve applied, it is not effective when a page with no page tone curve applied is opened.

Confirmation Print

Adopts the setting and execute printing to confirm the result of adjustment.

This function is available, only when Hold Job is selected on the Select Sample screen.

Save

Saves the result of adjustment.

Apply

Applies the adjusted tone curves to the job.

This button is displayed and this function is available, only when Hold Job is selected on the Select Sample screen.

Help

Displays the Help of this screen.

Screen Menu

The menu items of the Tone Curve Adjustment screen are as follows;

Menu

Menu Items

Description

File

New Tone Curve

Creates the New Tone Curve.

Tone Curve Management

Allows you to select a tone curve to be read from the Tone Curve Management screen.

You can also perform tone curve management operations.

Select Sample

Allows you to select a sample picture from the Select Sample screen.

Confirmation Print

Adopts the setting and execute printing to confirm the result of adjustment.

This function is available, only when Hold Job is selected on the Select Sample screen.

Save the tone curve

Saves the result of adjustment.

Apply

Applies the adjusted tone curves to the job.

This function is available, only when Hold Job is selected on the Select Sample screen.

Close

Close this screen and exits this function.

View

Previous Page

It is available when multiple images are included in the job of the image controller selected on Select Sample screen. Displays the image of the previous page.

Next Page

It is available when multiple images are included in the job of the image controller selected on Select Sample screen. Displays the image of the next page.

First Page

It is available when multiple images are included in the job of the image controller selected on Select Sample screen. Displays the image of the first page.

Last Page

It is available when multiple images are included in the job of the image controller selected on Select Sample screen. Displays the image of the last page.

Rotation (Counterclockwise)

Turns the picture image 90 degrees counter-clockwise.

Rotation (Clockwise)

Turns the picture image 90 degrees clockwise.

Scale Up

Displays enlarged picture image. Enlargement factor can be chosen from the four steps: x2, x4, x8 and x16.

Scale Down

Displays the picture image in reduced size. You can scale down the image size until the whole image appears.

Display only before adjustment

Displays only the images that are from Before Adjustment.

Display only after adjustment

Displays only the images that are from After Adjustment.

Display before and after the adjustment

Displays the images from both Before Adjustment and After Adjustment.

Help

Help

Displays the Help of this screen.

Version Information

Displays the version of Color Centro.