ID : 9210

TInv

Function

To return inverse matrix of Homogeneous Translation Type data.

Syntax

TInv(homogeneous translation type data)

Guaranteed entry

Homogeneous translation type data: Designate 齐次变换型 data.

Return value

Return homogeneous translation type data.

Description

Inverse matrix of Homogeneous Translation Type data is returned.

Related Terms

TMul, TNorm

Attention

If the designated homogeneous translation type data is data that cannot be normalized, an 错误等级1 occurs. You may use the "On Error" statement to create an error processing routine. Refer to "On Error."

Example

'!TITLE "Calculation of Inverse Matrix of Homogeneous Translation Type"
' Calculate inverse matrix in the current position
Sub Sample_TInv

  Dim aaa As Trans
  Dim bbb As Trans

  ' Acquisition of current position
  aaa = CurTrn

  ' Assign inverse matrix in the current position to bbb
  bbb = TInv( aaa )

  ' Display inverse matrix in the current position on the message window
  PrintDbg bbb

End Sub

ID : 9210

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