Expand Image


The Expand Image command enlarges the image by extending the image border to a larger area. The result is the original image data Imbedded in a background of uniform intensity. This command is usually used before Imbedding images into the background.

Expand Image Properties

Profile [|>]

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

[Select]

Opens the Select Source Images dialog to choose images from an image window, folder, files, pattern, or a file list.

New Size

Specifies the dimensions of the new image.

Cols

Number of columns (X dimension) in the new image).

Rows

Number of rows (Y dimension) in the new image).

Position Image at

This is the coordinate of the corner of the old image in the new background. Mira coordinates are 1-based, which means that using a value of (1,1) makes the corners exactly flush. If you check the Center check box, Mira centers the old image in the new background, ignoring the X and Y position values you specified.

X

X Pixel coordinate (column number) of the old image in the new image. To place the image at the X origin, set the value to 1.

Y

Y Pixel coordinate (row number) of the old image in the new image. To place the image at the Y origin, set the value to 1.

 Center

Check this box to center the image in the expanded background. This option disables the X and Y properties.

 Set Value

Check this box to set the value to assign the background outside the image data. If this box is unchecked, a value of 0 is used.

 Set Noise Sigma

Check this box to set the sigma value for adding Gaussian random noise to the background values outside the image data.

Related Topics

Image Geometry Commands, Imbed Image