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ImageCrop

This node removes, or crops, image information outside a defined area, though Katana has both a data window and a display window (to use the EXR terminology).

The display window is the image frame.

The data window is the area that actually contains pixels.

Note:  The data window may be larger or smaller than the display window. If it is larger, image data exists that can be pulled into the frame by downstream operations. If smaller, savings in processing time and memory are achieved by not explicitly storing pixel values for all the constant color outside the useful image area.

Connection Type

Connection Name

Function

Input

input

The image sequence that you want to crop.

 

Control (UI)

Default Value

Function

bounds

[resolution]

Dependent on Project Settings

Sets the size of the display window using the dropdown menu.

bounds >

N/A

For more information, refer to the Rectangle Widget Type in the Common Parameter Widgets.

left

0

Offset the display window by this number of pixels from the left side of the data window.

bottom

0

Offset the display window by this number of pixels from the bottom side of the data window.

width

globals.width

Adjusts the width of the display window in pixels.

height

globals.height

Adjusts the height of the display window in pixels.

ImageCrop parameters continued

reformat

disabled

When enabled, reposition the cropped area to the origin and changes the display window.

reformat: enabled

allowOverscan

disabled

This allows the node to generate overscan (if possible).

Overscan refers to image pixel data outside of the display window and can be inspected using options in the Monitor.