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SoInstanceParameterCreatePredefinedParameter Method (SoInstanceParameterPredefinedParameters, SoBufferObject, UInt32)

Creates an instance parameter object for one of the predefined attribute names.

Namespace: OIV.Inventor.Nodes
Assembly: OIV.Inventor (in OIV.Inventor.dll) Version: 10.12.3.0 (10.12.3.0)
Syntax
public static SoInstanceParameter CreatePredefinedParameter(
	SoInstanceParameterPredefinedParameters paramKey,
	SoBufferObject values,
	uint divisor
)

Parameters

paramKey
Type: OIV.Inventor.NodesSoInstanceParameterPredefinedParameters
values
Type: OIV.Inventor.DevicesSoBufferObject
divisor
Type: SystemUInt32

Return Value

Type: SoInstanceParameter
Remarks

paramKey = TRANSLATION: Sets the translation per instance parameter values using the specified OIV.Inventor.Devices.SoBufferObject. The OIV.Inventor.Devices.SoBufferObject is expected to contain translations encoded as 3 float values, e.g. array of OIV.Inventor.SbVec3f. The buffer size must be at least (numInstances/divisor) * 3 * sizeof(float). The divisor parameter indicates by how many instances a translation value is shared.

Example :

  • numInstance = 4

  • translationValues = {(1, 0, 0), (0, 1, 0)}

  • divisor = 2 => The first 2 instances will be translated by using (1, 0, 0) and the next two using (0, 1, 0).

paramKey = ROTATION: Sets the rotation per instance parameter values using the specified OIV.Inventor.Devices.SoBufferObject. The OIV.Inventor.Devices.SoBufferObject is expected to contain rotations encoded as 4 float values, e.g. array of OIV.Inventor.SbRotation. The buffer size must be at least (numInstances/divisor) * 4 * sizeof(float). The divisor parameter indicates by how many instances a rotation value is shared.

paramKey = SCALE: Sets the scaling per instance parameter values using the specified OIV.Inventor.Devices.SoBufferObject. The OIV.Inventor.Devices.SoBufferObject is expected to contain scaling factor encoded as 3 float values, e.g. array of OIV.Inventor.SbVec3f. The buffer size must be at least (numInstances/divisor) * 3 * sizeof(float). The divisor parameter indicates by how many instances a scale value is shared.

paramKey = COLOR: Sets the color per instance parameter values using the specified OIV.Inventor.Devices.SoBufferObject. The OIV.Inventor.Devices.SoBufferObject is expected to contain colors encoded as 3 float values, e.g. array of OIV.Inventor.SbColor. The buffer size must be at least (numInstances/divisor) * 3 * sizeof(float). The divisor parameter indicates by how many instances a color value is shared.

paramKey = TRANSPARENCY: Sets the transparency per instance parameter values using the specified OIV.Inventor.Devices.SoBufferObject. The OIV.Inventor.Devices.SoBufferObject is expected to contain colors encoded as 1 float value, e.g. array of float. The buffer size must be at least (numInstances/divisor) * sizeof(float). The divisor parameter indicates by how many instances a transparency value is shared.

paramKey = VISIBILITY: Sets the visibility per instance parameter values using the specified OIV.Inventor.Devices.SoBufferObject. The OIV.Inventor.Devices.SoBufferObject is expected to contain visibility value encoded as an int32_t value. The buffer size must be at least (numInstances/divisor) * sizeof(int32_t). The divisor parameter indicates by how many instances a visibility value is shared.

See Also