Data Structures | |
struct | A3DCrvParabolaData |
Parabola arc structure. More... | |
Functions | |
A3DStatus | A3DCrvParabolaCreate (const A3DCrvParabolaData *pData, A3DCrvParabola **ppCrv) |
Creates an A3DCrvParabola from A3DCrvParabolaData structure. More... | |
A3DStatus | A3DCrvParabolaGet (const A3DCrvParabola *pCrv, A3DCrvParabolaData *pData) |
Populates the A3DCrvParabolaData structure. More... | |
Detailed Description
- Version
- 2.0
Entity type is kA3DTypeCrvParabola.
For the canonical definition of this curve and its corresponding parametric equation, see the "SerializeParabola" section of the PRC Format Specification.
The A3DParameterizationData struct specified by the A3DCrvParabolaData::m_sParam member specifies reparameterization and trim for the curve.
- Attention
- In version 2.1 and earlier, values for parameterization named in the A3DCrvParabolaData::m_cParamType member are inverted compared to the corresponding values in the PRC Format Specification.
- Version
- 2.3
When A3DCrvParabolaData::m_cParamType is set to 1, X value must be taken as param2/sqrt(16*focus2+param2), and Y as corresponding value 2 * A3DCrvParabolaData::m_dFocal * sqrt( fabs(X) / A3DCrvParabolaData::m_dFocal ).
A3DParameterizationData allows for reparameterization and trim.
Function Documentation
◆ A3DCrvParabolaGet()
A3DStatus A3DCrvParabolaGet | ( | const A3DCrvParabola * | pCrv, |
A3DCrvParabolaData * | pData | ||
) |
Populates the A3DCrvParabolaData structure.
- Version
- 2.0
◆ A3DCrvParabolaCreate()
A3DStatus A3DCrvParabolaCreate | ( | const A3DCrvParabolaData * | pData, |
A3DCrvParabola ** | ppCrv | ||
) |
Creates an A3DCrvParabola from A3DCrvParabolaData structure.
- Version
- 2.0