QMedia Matrix commands |

### QM_SetIdentityMatrix

QM_SetIdentityMatrix(matrixRec):error
| matrixRec | Array real | Matrix record
| error | Longint | Error result

Sets the contents of a matrix record to the identity matrix. The identity matrix does not perform an tranformations.

Parameter matrixRec receives the identity matrix. It must be declared as a 3 x 3 array of reals.

Example

`ARRAY REAL($matrix;3;3)` `` `$err:=QM_SetIdentityMatrix ($matrix)` ``

Related commands

QM_TranslateMatrix | Adds a translation transformation to a matrix record.
QM_ScaleMatrix | Adds a scaling transformation to a matrix record.
QM_RotateMatrix | Adds a rotation transformation to a matrix record.
QM_SkewMatrix | Adds a skew transformation to a matrix record.
QM_ConcatMatrix | Concatenates two matrices.
QM_SetTrackMatrix | Changes the track's transormation matrix.
QM_GetTrackMatrix | Returns the track's transormation matrix.

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