WlzDomainUtils

Files
file	WlzHasIntersect.c
	Determines whether two objects have an intersection.

Functions
int	WlzHasIntersection (WlzObject *obj1, WlzObject *obj2, WlzErrorNum *dstErr)
	Determine if two domain objects intersect. The objects must WLZ_2D_DOMAINOBJ, WLZ_3D_DOMAINOBJ or WLZ_EMPTY_OBJ. If neither object is empty then they must be of the same type. More...

Detailed Description

Function Documentation

WlzHasIntersection()

int WlzHasIntersection	(	WlzObject *	obj1,
		WlzObject *	obj2,
		WlzErrorNum *	dstErr
	)

Determine if two domain objects intersect. The objects must WLZ_2D_DOMAINOBJ, WLZ_3D_DOMAINOBJ or WLZ_EMPTY_OBJ. If neither object is empty then they must be of the same type.

Returns

non-zero if the input objects intersect

Parameters

obj1	input object 1
obj2	input object 2
dstErr	error return

Source:

WlzHasIntersect.c

References _WlzDomain::core, _WlzObject::domain, _WlzDomain::i, _WlzIntervalDomain::kol1, _WlzIntervalDomain::lastkl, _WlzIntervalDomain::lastln, _WlzIntervalDomain::line1, _WlzIntervalWSpace::linpos, _WlzObject::type, _WlzIntervalDomain::type, WLZ_2D_DOMAINOBJ, WLZ_3D_DOMAINOBJ, WLZ_EMPTY_OBJ, WLZ_ERR_DOMAIN_NULL, WLZ_ERR_EOO, WLZ_ERR_NONE, WLZ_ERR_OBJECT_NULL, WLZ_ERR_OBJECT_TYPE, WLZ_INTERVALDOMAIN_RECT, WLZ_MAX, WLZ_MIN, WLZ_RASTERDIR_ILIC, WlzInitRasterScan(), WlzIsEmpty(), and WlzNextInterval().

Referenced by WlzDomainFill3D(), and WlzLabel3D().