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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.
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The Expand Image command opens from the
Image Window > Process >
Geometry menu and  button
on the Main Toolbar. The "immediate"
form, shown first, opens when an image or image set is displayed in
the top-most window. The general form can be used to select source
images from folders, windows, or by matching templates.
Expand Image Properties
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Profile [|>]
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Selects the parameter profile for this command and
allows you to save or work with existing presets.
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[Select]
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Opens the
Select Source Images dialog to choose images from an
image window, folder, files, name template, or a Mira File
List.
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New Size
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Specifies the dimensions of the new image.
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Cols
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Number of columns (X dimension) in the new
image).
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Rows
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Number of rows (Y dimension) in the new
image).
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Position Image at
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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.
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X
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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.
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Y
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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.
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 Center
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Check this box to center the image in the expanded
background. This option disables the X and Y properties.
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Set Value
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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.
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Set Noise Sigma
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Check this box to set the sigma value for adding
Gaussian random noise to the background values outside the image
data.
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Related Topics
Image Geometry Commands
Imbed Image
Mira Pro x64 User's Guide, Copyright Ⓒ 2023 Mirametrics, Inc. All
Rights Reserved.
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