/usr/include/geos/noding/SegmentIntersector.h is in libgeos-dev 3.2.2-3ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 | /**********************************************************************
* $Id: SegmentIntersector.h 2556 2009-06-06 22:22:28Z strk $
*
* GEOS - Geometry Engine Open Source
* http://geos.refractions.net
*
* Copyright (C) 2006 Refractions Research Inc.
*
* This is free software; you can redistribute and/or modify it under
* the terms of the GNU Lesser General Public Licence as published
* by the Free Software Foundation.
* See the COPYING file for more information.
*
**********************************************************************/
#ifndef GEOS_NODING_SEGMENTINTERSECTOR_H
#define GEOS_NODING_SEGMENTINTERSECTOR_H
#include <geos/export.h>
#include <geos/inline.h>
// Forward declarations
namespace geos {
namespace noding {
class SegmentString;
}
}
namespace geos {
namespace noding { // geos.noding
/**
* \brief
* Processes possible intersections detected by a Noder.
*
* The SegmentIntersector is passed to a Noder.
* The addIntersections method is called whenever the Noder
* detects that two SegmentStrings <i>might</i> intersect.
* This class may be used either to find all intersections, or
* to detect the presence of an intersection. In the latter case,
* Noders may choose to short-circuit their computation by calling the
* isDone method.
* This class is an example of the <i>Strategy</i> pattern.
*
* @version 1.7
*/
class GEOS_DLL SegmentIntersector {
public:
/**
* This method is called by clients
* of the SegmentIntersector interface to process
* intersections for two segments of the SegmentStrings
* being intersected.
*/
virtual void processIntersections(
SegmentString* e0, int segIndex0,
SegmentString* e1, int segIndex1)=0;
/**
* \brief
* Reports whether the client of this class
* needs to continue testing all intersections in an arrangement.
*
* @return true if there is not need to continue testing segments
*
* The default implementation always return false (process all intersections).
*/
virtual bool isDone() const {
return false;
}
virtual ~SegmentIntersector()
{ }
protected:
SegmentIntersector() {}
};
/// Temporary typedef for namespace transition
typedef SegmentIntersector nodingSegmentIntersector;
} // namespace geos.noding
} // namespace geos
//#ifdef GEOS_INLINE
//# include "geos/noding/SegmentIntersector.inl"
//#endif
#endif // GEOS_NODING_SEGMENTINTERSECTOR_H
/**********************************************************************
* $Log$
* Revision 1.2 2006/03/24 09:52:41 strk
* USE_INLINE => GEOS_INLINE
*
* Revision 1.1 2006/03/09 16:46:49 strk
* geos::geom namespace definition, first pass at headers split
*
**********************************************************************/
|