# A3DMiscAttributeBasicUnitData

struct `A3DMiscAttributeBasicUnitData`

  A structure that specifies base unit information.

  ## Index

  Variables

  - `m_eUnit`
  - `m_iExponent`
  - `m_dFactor`

Variables

A3DEBasicUnit `A3DMiscAttributeBasicUnitData.``m_eUnit`
  `A3DEBasicUnit`

  The base unit.

  If both `m_iExponent`and `m_dFactor`are one, this enum directly represents the expressed unit.

A3DInt32 `A3DMiscAttributeBasicUnitData.``m_iExponent`
  `A3DInt32`

  2for square , 3for cubic.

  By using negative values (most commonly -1), you can express per-unit systems, such as kilometer perhour.

A3DDouble `A3DMiscAttributeBasicUnitData.``m_dFactor`
  `A3DDouble`

  example:1000for kilometer

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