Gets a value that indicates whether this LeadMatrix is an identity matrix.
Object.defineProperty(LeadMatrix.prototype, 'isIdentity',
get: function()
)
isIdentity: boolean; // read-only
true if the LeadMatrix object is an identity matrix; otherwise, it is false. The default is true.
An identity matrix has a value of 1 in coefficients [1,1],[2,2],[3,3] and a value of 0 in the rest of the coefficients. This correlates to setting M11 and M22 to 1 and M12, M21, OffsetX, and OffsetY to 0. In an affine matrix, coefficients [3,1],[3,2],[3.3] are implied to always have the values 0,0,1 respectively.
1 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
1 |
For an identity matrix, the ToString method returns the string "Identity" instead of the coefficients of the LeadMatrix.
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