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Package: libvolpack1-dev
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libvolpack1-dev

Manual

vpEnable

NAME
SYNOPSIS
ARGUMENTS
DESCRIPTION
ERRORS
SEE ALSO

NAME

vpEnable - enable or disable options

SYNOPSIS

#include <volpack.h>

vpResult

vpEnable( vpc, option, value )

vpContext * vpc;

	int option;
	int value;

ARGUMENTS

	vpc		VolPack context from vpCreateContext.
	option		Constant that specifies the option to be adjusted.
	value		New value for the option (boolean: 0 or 1).

DESCRIPTION

vpEnable is used to enable or disable boolean options in a rendering context. If the value option is 0 then the option is disabled; otherwise it is enabled. The following list summarizes all available options:
VP_LIGHT0
VP_LIGHT1
VP_LIGHT2
VP_LIGHT3
VP_LIGHT4
VP_LIGHT5

Enable the corresponding light source (see vpSetLight(3)). Default: VP_LIGHT0 is enabled, and all others are disabled.

VP_LIGHT_BOTH_SIDES

Enable two-sided lighting (see vpSetLight(3)). Default: disabled

VP_REVERSE_SURFACE_SIDES

Reverse the definition of interior and exterior surfaces (see vpSetMaterial(3)). Default: disabled

VP_DEPTH_CUE

Enable depth cueing (see vpSetDepthCueing(3)). Default: disabled

VP_VIEW_X_AXIS
VP_VIEW_Y_AXIS
VP_VIEW_Z_AXIS

Enable computing a preclassified volume for the corresponding major viewing axis (see vpClassifyVolume(3)). Default: enabled

VP_SHADOW

Enable rendering shadows (see vpSetShadowLookupShader(3)). Default: disabled

VP_CLAMP_SHADE_TABLE

Enable clamping the color components in a shade table to the range 0.0-255.0. This option affects vpShadeTable(). Default: enabled

ERRORS

The normal return value is VP_OK. The following error return value is possible:
VPERROR_BAD_VALUE

The option argument is invalid.