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ODA Kernel SDK
API Reference > OdGe Classes > OdGeMatrix2d Class > OdGeMatrix2d Methods > OdGeMatrix2d::preMultBy Method
OdGeMatrix2d::preMultBy Method
Syntax
C++
OdGeMatrix2d& preMultBy(const OdGeMatrix2d& leftSide);

Sets this matrix to the product leftSide * (this matrix), and returns a reference to this matrix. 

 

Parameters
Description
leftSide
[in] 2D matrix that will be multiplied with this matrix.

Note that when multiplying matrices, the order matters. This method provides different results than postMultBy even with the same parameters.

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