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ImageTools[GetSubImage] - extract a subimage from an image
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Calling Sequence
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GetSubImage( img, row, col, ht, wd, opts )
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Parameters
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img
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Image
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row
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integer; initial row of the subimage
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col
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integer; intial column of the subimage
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ht
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posint; height of the subimage
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wd
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posint; width of the subimage
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opts
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(optional) equation(s) of the form option = value; specify options for the GetSubImage command
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Description
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The GetSubImage command returns a subimage of a given image.
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The img parameter is the image.
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The row and col parameters specify the coordinates of the upper left pixel of the desired subimage of img.
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The ht and wd parameters specify the height and width of the subimage.
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Options
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Specifies a data structure into which the output is written. This can be used to avoid allocating memory. The size, number of layers, and order must match that of the subimage. The default is NULL.
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If true, the indices of the returned image are reindexed so that they start at 1. If false, the row and column indices start at row and col, respectively. The default is false.
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