Good catch. I confirm that those lines do not appear in JTS, and should
be removed.
Oliver Baltzer wrote:
The contains relation is not commutative hence in source/geom/Geometry.cpp
lines 425-427 should be removed.
See:
bool
Geometry::contains(const Geometry *g) const
{
#ifdef SHORTCIRCUIT_PREDICATES
// short-circuit test
if (! getEnvelopeInternal()->contains(g->getEnvelopeInternal()))
return false;
#endif
// optimization for rectangle arguments
if (isRectangle()) {
return predicate::RectangleContains::contains((Polygon&)*this,
*g);
}
/*
* if (g->isRectangle()) {
* return predicate::RectangleContains::contains((const
Polygon&)*g, *this);
* }
*/
IntersectionMatrix *im=relate(g);
bool res=im->isContains();
delete im;
return res;
}
Cheers,
Oliver
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Martin Davis
Senior Technical Architect
Refractions Research, Inc.
(250) 383-3022
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