Namespace: utils

utils

Namespace for various utilities.
Source:

Methods

(static) applyInverseTransform(options) → {Array.<number>}

Apply an affine transformation to a reference coordinate in the slide coordinate system to map it into the total pixel matrix.
Parameters:
Name Type Description
options Object Options
Properties
Name Type Description
coordinate Array.<number> (x, y) reference coordinate
affine Array.<Array.<number>> 3x3 affine transformation matrix
Source:
Returns:
(column, row) image coordinate
Type
Array.<number>

(static) applyTransform(options) → {Array.<number>}

Apply an affine transformation to an image coordinate in the total pixel matrix to map it into the slide coordinate system.
Parameters:
Name Type Description
options Object Options
Properties
Name Type Description
coordinate Array.<number> (column, row) image coordinate
affine Array.<Array.<number>> 3x3 affine transformation matrix
Source:
Returns:
(x, y) reference coordinate
Type
Array.<number>

(static) are1DArraysAlmostEqual(array, array, eps) → {boolean}

Check if 1D arrays are equal.
Parameters:
Name Type Description
array Array.<number> a
array Array.<number> b
eps number
Source:
Returns:
yes/no answer
Type
boolean

(static) are2DArraysAlmostEqual(array, array, eps) → {boolean}

Check if 2D arrays are equal.
Parameters:
Name Type Description
array Array.<number> a
array Array.<number> b
eps number
Source:
Returns:
yes/no answer
Type
boolean

(static) areCodedConceptsEqual(codedConcept1, codedConcept2) → {boolean}

Check whether coded concepts are equal.
Parameters:
Name Type Description
codedConcept1 object
codedConcept2 object
Source:
Returns:
yes/no answer
Type
boolean

(static) areNumbersAlmostEqual(a, b, eps) → {boolean}

Check if two numbers are equal.
Parameters:
Name Type Default Description
a number
b number
eps number 0.000001
Source:
Returns:
yes/no answer
Type
boolean

(static) buildInverseTransform() → {Array.<Array.<number>>}

Build an affine transformation matrix to map coordinates in the slide coordinate system into the Total Pixel Matrix.
Parameters:
Name Type Description
options.offset Array.<number> X and Y offset of the image in the slide coordinate system
options.orientation Array.<number> Direction cosines along the row and column direction of the Total Pixel Matrix for each of the three axis of the slide coordinate system
options.spacing Array.<number> Spacing between pixel rows and columns of the Total Pixel Matrix
Source:
Returns:
3x3 affine transformation matrix
Type
Array.<Array.<number>>

(static) buildTransform(options) → {Array.<Array.<number>>}

Build an affine transformation matrix to map coordinates in the Total Pixel Matrix into the slide coordinate system.
Parameters:
Name Type Description
options Object Options
Properties
Name Type Description
offset Array.<number> X and Y offset of the image in the slide coordinate system
orientation Array.<number> Direction cosines along the row and column direction of the Total Pixel Matrix for each of the three axis of the slide coordinate system
spacing Array.<number> Spacing between pixel rows and columns of the Total Pixel Matrix
Source:
Returns:
3x3 affine transformation matrix
Type
Array.<Array.<number>>

(static) computeRotation(options) → {number}

Compute the rotation of the image with respect to the frame of reference.
Parameters:
Name Type Description
options Object Options
Properties
Name Type Description
orientation Array.<number> Direction cosines along the row and column direction of the Total Pixel Matrix for each of the three axis of the slide coordinate system
inDegrees boolean Whether angle should be returned in degrees instead of radians
Source:
Returns:
Angle
Type
number

(static) createRotationMatrix(options) → {Array.<Array.<number>>}

Create a rotation matrix.
Parameters:
Name Type Description
options Object Options
Properties
Name Type Description
orientation Array.<number> Direction cosines along the row and column direction of the Total Pixel Matrix for each of the three axis of the slide coordinate system
Source:
Returns:
2x2 rotation matrix
Type
Array.<Array.<number>>

(static) createWindow(lowerBound, upperBound) → {Array.<number>}

Create window.
Parameters:
Name Type Description
lowerBound number Lower bound of the window
upperBound number Upper bound of the window
Source:
Returns:
Window center and width
Type
Array.<number>

(static) doContentItemsMatch(contentItem1, contentItem2) → {boolean}

Check wether two content items match.
Parameters:
Name Type Description
contentItem1 object
contentItem2 object
Source:
Returns:
yes/no answer
Type
boolean

(static) getContentItemNameCodedConcept(contentItem) → {object}

Get name coded concept from content item.
Parameters:
Name Type Description
contentItem object
Source:
Returns:
The concept name coded concept
Type
object

(static) mapPixelCoordToSlideCoord(options) → {Array.<number>}

Map 2D (column, row) image coordinates in the Total Pixel Matrix to 3D (x, y, z) slide coordinates in the Frame of Reference.
Parameters:
Name Type Description
options Object Options
Properties
Name Type Description
offset Array.<number> X and Y offset in the slide coordinate system
orientation Array.<number> Direction cosines along the row and column direction of the Total Pixel Matrix for each of the three axis of the slide coordinate system
spacing Array.<number> Spacing between pixels along the Column and Row direction of the Total Pixel Matrix
point Array.<number> (colum, row) image coordinates
Source:
Returns:
(x, y, z) slide coordinates
Type
Array.<number>

(static) mapSlideCoordToPixelCoord(options) → {Array.<number>}

Map 3D (x, y, z) slide coordinates in the Frame of Reference to 2D (column, row) image coordinates in the Total Pixel Matrix.
Parameters:
Name Type Description
options Object Options
Properties
Name Type Description
offset Array.<number> X and Y offset in the slide coordinate system
orientation Array.<number> Direction cosines along the row and column direction of the Total Pixel Matrix for each of the three axis of the slide coordinate system
spacing Array.<number> Spacing between pixels along the Column and Row direction of the Total Pixel Matrix
point Array.<number> (x, y, z) slide coordinates
Source:
Returns:
(row, column) image coordinates
Type
Array.<number>

(static) rescale(value, minInput, maxInput, minOutput, maxOutput) → {number}

Rescale intensity from [minInput, maxInput] to [minOutput, maxOutput].
Parameters:
Name Type Description
value number Input value that should be rescaled
minInput number Lower bound of the full input value range
maxInput number Upper bound of the full input value range
minOutput number Lower bound of the full output value range
maxOutput number Upper bound of the full output value range
Source:
Returns:
Rescaled value
Type
number