image_plane ( : ImagePlane : Alpha, Beta, Mean, Row, Column, Width, Height : )
Create a gray value plane.
The operator image_plane creates an image plane according to
the following equation:
ImagePlane(r,c) = Alpha(r-Row) +
Beta(c-Column) +
Mean
The size of the image is determined by Width and Height
The gray values are of the type byte.
Gray values outside the valid area are clipped.
Parameters
ImagePlane (output_object)
|
image -> object : byte
|
Created image with new image matrix. |
Alpha (input_control)
|
number -> real
|
Gradient in line direction |
Default value: 1.0 |
Suggested values: -2.0, -1.0, -0.5, -0.0, 0.5, 1.0, 2.0 |
Minimum increment: 0.000001
|
Recommended increment: -0.005
|
Beta (input_control)
|
number -> real
|
Gradient in column direction |
Default value: 1.0 |
Suggested values: -2.0, -1.0, -0.5, -0.0, 0.5, 1.0, 2.0 |
Minimum increment: 0.000001
|
Recommended increment: -0.005
|
Mean (input_control)
|
number -> real
|
Mean gray value |
Default value: 128 |
Suggested values: 0, 20, 40, 60, 80, 100, 120, 140, 160, 180, 200, 220, 255 |
Minimum increment: 1
|
Recommended increment: 10
|
Row (input_control)
|
point.y -> integer
|
Line index of reference point |
Default value: 256 |
Suggested values: 128, 256, 512, 1024 |
Minimum increment: 1
|
Recommended increment: 10
|
Column (input_control)
|
point.x -> integer
|
Column index of reference point |
Default value: 256 |
Suggested values: 128, 256, 512, 1024 |
Minimum increment: 1
|
Recommended increment: 10
|
Width (input_control)
|
extent.x -> integer
|
Width of image |
Default value: 512 |
Suggested values: 128, 256, 512, 1024 |
Range of values: 1 <= Width <= 512 (lin) |
Minimum increment: 1
|
Recommended increment: 10
|
Restriction: Width >= 1 |
Height (input_control)
|
extent.y -> integer
|
Height of image |
Default value: 512 |
Suggested values: 128, 256, 512, 1024 |
Range of values: 1 <= Height <= 512 (lin) |
Minimum increment: 1
|
Recommended increment: 10
|
Restriction: Height >= 1 |
Result
If the parameter values are correct image_plane returns the value
TRUE.
Otherwise an exception is raised.
Possible Predecessors
grey_moments
Possible Successors
paint_region__,
reduce_domain,
get_image_pointer__,
copy_obj
Alternatives
create_image
See also
reduce_domain,
paint_grey__
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