CoverageValidator.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2022 Paul Ramsey <pramsey@cleverelephant.ca>
 *
 * 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.
 *
 **********************************************************************/
 
#pragma once
 
#include <geos/index/strtree/TemplateSTRtree.h>
 
 
// Forward declarations
namespace geos {
namespace geom {
class Geometry;
}
}
 
namespace geos {      // geos
namespace coverage { // geos::coverage
 
 
class GEOS_DLL CoverageValidator {
    using Geometry = geos::geom::Geometry;
    template <typename ItemType>
    using TemplateSTRtree = geos::index::strtree::TemplateSTRtree<ItemType>;
 
private:
 
    std::vector<const Geometry*>& m_coverage;
    double m_gapWidth = 0.0;
 
    std::unique_ptr<Geometry> validate(
        const Geometry* targetGeom,
        TemplateSTRtree<const Geometry*>& index);
 
 
public:
 
    /*
    * Creates a new coverage validator
    *
    * @param coverage a array of polygons representing a polygonal coverage
    */
    CoverageValidator(std::vector<const Geometry*>& coverage)
        : m_coverage(coverage)
        {};
 
    void setGapWidth(double gapWidth) {
        m_gapWidth = gapWidth;
    };
 
    std::vector<std::unique_ptr<Geometry>> validate();
 
    static bool isValid(
        std::vector<const Geometry*>& coverage);
 
    static bool hasInvalidResult(
        const std::vector<std::unique_ptr<Geometry>>& validateResult);
 
    static std::vector<std::unique_ptr<Geometry>> validate(
        std::vector<const Geometry*>& coverage);
 
    static std::vector<std::unique_ptr<Geometry>> validate(
        std::vector<const Geometry*>& coverage,
        double gapWidth);
};
 
} // namespace geos::coverage
} // namespace geos