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705 lines
24 KiB
705 lines
24 KiB
// Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License, version 2.0,
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// as published by the Free Software Foundation.
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//
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// This program is also distributed with certain software (including
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// but not limited to OpenSSL) that is licensed under separate terms,
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// as designated in a particular file or component or in included license
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// documentation. The authors of MySQL hereby grant you an additional
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// permission to link the program and your derivative works with the
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// separately licensed software that they have included with MySQL.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License, version 2.0, for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/// @file
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///
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/// This file implements the intersects functor and function.
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#include <boost/geometry.hpp>
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#include "sql/dd/types/spatial_reference_system.h" // dd::Spatial_reference_system
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#include "sql/gis/box.h"
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#include "sql/gis/box_traits.h"
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#include "sql/gis/disjoint_functor.h"
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#include "sql/gis/geometries.h"
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#include "sql/gis/geometries_traits.h"
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#include "sql/gis/intersects_functor.h"
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#include "sql/gis/mbr_utils.h"
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#include "sql/gis/relops.h"
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#include "sql/sql_exception_handler.h" // handle_gis_exception
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namespace bg = boost::geometry;
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namespace gis {
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/// Apply an Intersects functor to two geometries, which both may be geometry
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/// collections, and return the booelan result of the functor applied on each
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/// combination of elements in the collections.
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///
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/// @tparam GC Coordinate specific gometry collection type.
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///
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/// @param f Functor to apply.
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/// @param g1 First geometry.
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/// @param g2 Second geometry.
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///
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/// @retval true g1 intersects g2.
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/// @retval false g1 doesn't intersect g2.
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template <typename GC>
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static bool geometry_collection_apply_intersects(const Intersects &f,
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const Geometry *g1,
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const Geometry *g2) {
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if (g1->type() == Geometry_type::kGeometrycollection) {
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const auto gc1 = down_cast<const GC *>(g1);
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for (const auto g1_i : *gc1)
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if (geometry_collection_apply_intersects<GC>(f, g1_i, g2)) return true;
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} else if (g2->type() == Geometry_type::kGeometrycollection) {
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const auto gc2 = down_cast<const GC *>(g2);
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for (const auto g2_j : *gc2)
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if (geometry_collection_apply_intersects<GC>(f, g1, g2_j)) return true;
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} else {
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return f(g1, g2);
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}
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return false;
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}
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Intersects::Intersects(double semi_major, double semi_minor)
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: m_semi_major(semi_major),
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m_semi_minor(semi_minor),
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m_geographic_pl_pa_strategy(
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bg::srs::spheroid<double>(semi_major, semi_minor)),
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m_geographic_ll_la_aa_strategy(
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bg::srs::spheroid<double>(semi_major, semi_minor)) {}
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bool Intersects::operator()(const Geometry *g1, const Geometry *g2) const {
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return apply(*this, g1, g2);
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}
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bool Intersects::operator()(const Box *b1, const Box *b2) const {
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DBUG_ASSERT(b1->coordinate_system() == b2->coordinate_system());
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switch (b1->coordinate_system()) {
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case Coordinate_system::kCartesian:
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return eval(down_cast<const Cartesian_box *>(b1),
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down_cast<const Cartesian_box *>(b2));
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case Coordinate_system::kGeographic:
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return eval(down_cast<const Geographic_box *>(b1),
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down_cast<const Geographic_box *>(b2));
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}
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DBUG_ASSERT(false);
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return false;
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}
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bool Intersects::eval(const Geometry *g1, const Geometry *g2) const {
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// All parameter type combinations have been implemented.
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DBUG_ASSERT(false);
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throw not_implemented_exception::for_non_projected(*g1, *g2);
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}
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//////////////////////////////////////////////////////////////////////////////
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// intersects(Cartesian_point, *)
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bool Intersects::eval(const Cartesian_point *g1,
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const Cartesian_point *g2) const {
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Cartesian_point *g1,
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const Cartesian_linestring *g2) const {
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Cartesian_point *g1,
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const Cartesian_polygon *g2) const {
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Cartesian_point *g1,
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const Cartesian_geometrycollection *g2) const {
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return geometry_collection_apply_intersects<Cartesian_geometrycollection>(
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*this, g1, g2);
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}
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bool Intersects::eval(const Cartesian_point *g1,
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const Cartesian_multipoint *g2) const {
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Cartesian_point *g1,
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const Cartesian_multilinestring *g2) const {
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Cartesian_point *g1,
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const Cartesian_multipolygon *g2) const {
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return bg::intersects(*g1, *g2);
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}
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//////////////////////////////////////////////////////////////////////////////
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// intersects(Cartesian_linestring, *)
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bool Intersects::eval(const Cartesian_linestring *g1,
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const Cartesian_point *g2) const {
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Cartesian_linestring *g1,
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const Cartesian_linestring *g2) const {
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Cartesian_linestring *g1,
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const Cartesian_polygon *g2) const {
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Cartesian_linestring *g1,
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const Cartesian_geometrycollection *g2) const {
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return geometry_collection_apply_intersects<Cartesian_geometrycollection>(
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*this, g1, g2);
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}
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bool Intersects::eval(const Cartesian_linestring *g1,
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const Cartesian_multipoint *g2) const {
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Cartesian_linestring *g1,
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const Cartesian_multilinestring *g2) const {
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Cartesian_linestring *g1,
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const Cartesian_multipolygon *g2) const {
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return bg::intersects(*g1, *g2);
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}
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//////////////////////////////////////////////////////////////////////////////
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// intersects(Cartesian_polygon, *)
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bool Intersects::eval(const Cartesian_polygon *g1,
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const Cartesian_point *g2) const {
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Cartesian_polygon *g1,
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const Cartesian_linestring *g2) const {
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Cartesian_polygon *g1,
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const Cartesian_polygon *g2) const {
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Cartesian_polygon *g1,
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const Cartesian_geometrycollection *g2) const {
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return geometry_collection_apply_intersects<Cartesian_geometrycollection>(
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*this, g1, g2);
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}
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bool Intersects::eval(const Cartesian_polygon *g1,
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const Cartesian_multipoint *g2) const {
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Disjoint disjoint(m_semi_major, m_semi_minor);
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return !disjoint(g1, g2);
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}
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bool Intersects::eval(const Cartesian_polygon *g1,
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const Cartesian_multilinestring *g2) const {
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Cartesian_polygon *g1,
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const Cartesian_multipolygon *g2) const {
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return bg::intersects(*g1, *g2);
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}
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//////////////////////////////////////////////////////////////////////////////
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// intersects(Cartesian_geometrycollection, *)
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bool Intersects::eval(const Cartesian_geometrycollection *g1,
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const Geometry *g2) const {
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return geometry_collection_apply_intersects<Cartesian_geometrycollection>(
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*this, g1, g2);
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}
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//////////////////////////////////////////////////////////////////////////////
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// intersects(Cartesian_multipoint, *)
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bool Intersects::eval(const Cartesian_multipoint *g1,
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const Cartesian_point *g2) const {
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Cartesian_multipoint *g1,
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const Cartesian_linestring *g2) const {
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Cartesian_multipoint *g1,
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const Cartesian_polygon *g2) const {
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Disjoint disjoint(m_semi_major, m_semi_minor);
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return !disjoint(g1, g2);
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}
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bool Intersects::eval(const Cartesian_multipoint *g1,
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const Cartesian_geometrycollection *g2) const {
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return geometry_collection_apply_intersects<Cartesian_geometrycollection>(
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*this, g1, g2);
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}
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bool Intersects::eval(const Cartesian_multipoint *g1,
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const Cartesian_multipoint *g2) const {
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Cartesian_multipoint *g1,
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const Cartesian_multilinestring *g2) const {
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Cartesian_multipoint *g1,
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const Cartesian_multipolygon *g2) const {
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Disjoint disjoint(m_semi_major, m_semi_minor);
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return !disjoint(g1, g2);
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}
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//////////////////////////////////////////////////////////////////////////////
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// intersects(Cartesian_multilinestring, *)
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bool Intersects::eval(const Cartesian_multilinestring *g1,
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const Cartesian_point *g2) const {
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Cartesian_multilinestring *g1,
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const Cartesian_linestring *g2) const {
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Cartesian_multilinestring *g1,
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const Cartesian_polygon *g2) const {
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Cartesian_multilinestring *g1,
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const Cartesian_geometrycollection *g2) const {
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return geometry_collection_apply_intersects<Cartesian_geometrycollection>(
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*this, g1, g2);
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}
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bool Intersects::eval(const Cartesian_multilinestring *g1,
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const Cartesian_multipoint *g2) const {
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Cartesian_multilinestring *g1,
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const Cartesian_multilinestring *g2) const {
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Cartesian_multilinestring *g1,
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const Cartesian_multipolygon *g2) const {
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return bg::intersects(*g1, *g2);
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}
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//////////////////////////////////////////////////////////////////////////////
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// intersects(Cartesian_multipolygon, *)
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bool Intersects::eval(const Cartesian_multipolygon *g1,
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const Cartesian_point *g2) const {
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Cartesian_multipolygon *g1,
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const Cartesian_linestring *g2) const {
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Cartesian_multipolygon *g1,
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const Cartesian_polygon *g2) const {
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Cartesian_multipolygon *g1,
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const Cartesian_geometrycollection *g2) const {
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return geometry_collection_apply_intersects<Cartesian_geometrycollection>(
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*this, g1, g2);
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}
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bool Intersects::eval(const Cartesian_multipolygon *g1,
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const Cartesian_multipoint *g2) const {
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Disjoint disjoint(m_semi_major, m_semi_minor);
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return !disjoint(g1, g2);
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}
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bool Intersects::eval(const Cartesian_multipolygon *g1,
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const Cartesian_multilinestring *g2) const {
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Cartesian_multipolygon *g1,
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const Cartesian_multipolygon *g2) const {
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return bg::intersects(*g1, *g2);
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}
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//////////////////////////////////////////////////////////////////////////////
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// intersects(Geographic_point, *)
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bool Intersects::eval(const Geographic_point *g1,
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const Geographic_point *g2) const {
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// Default strategy is OK. P/P computations do not depend on shape of
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// ellipsoid.
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Geographic_point *g1,
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const Geographic_linestring *g2) const {
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return bg::intersects(*g1, *g2, m_geographic_pl_pa_strategy);
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}
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bool Intersects::eval(const Geographic_point *g1,
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const Geographic_polygon *g2) const {
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return bg::intersects(*g1, *g2, m_geographic_pl_pa_strategy);
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}
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bool Intersects::eval(const Geographic_point *g1,
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const Geographic_geometrycollection *g2) const {
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return geometry_collection_apply_intersects<Geographic_geometrycollection>(
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*this, g1, g2);
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}
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bool Intersects::eval(const Geographic_point *g1,
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const Geographic_multipoint *g2) const {
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// Default strategy is OK. P/P computations do not depend on shape of
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// ellipsoid.
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Geographic_point *g1,
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const Geographic_multilinestring *g2) const {
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return bg::intersects(*g1, *g2, m_geographic_pl_pa_strategy);
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}
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bool Intersects::eval(const Geographic_point *g1,
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const Geographic_multipolygon *g2) const {
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return bg::intersects(*g1, *g2, m_geographic_pl_pa_strategy);
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}
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//////////////////////////////////////////////////////////////////////////////
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// intersects(Geographic_linestring, *)
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bool Intersects::eval(const Geographic_linestring *g1,
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const Geographic_point *g2) const {
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return bg::intersects(*g1, *g2, m_geographic_pl_pa_strategy);
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}
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bool Intersects::eval(const Geographic_linestring *g1,
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const Geographic_linestring *g2) const {
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return bg::intersects(*g1, *g2, m_geographic_ll_la_aa_strategy);
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}
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bool Intersects::eval(const Geographic_linestring *g1,
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const Geographic_polygon *g2) const {
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return bg::intersects(*g1, *g2, m_geographic_ll_la_aa_strategy);
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}
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bool Intersects::eval(const Geographic_linestring *g1,
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const Geographic_geometrycollection *g2) const {
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return geometry_collection_apply_intersects<Geographic_geometrycollection>(
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*this, g1, g2);
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}
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bool Intersects::eval(const Geographic_linestring *g1,
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const Geographic_multipoint *g2) const {
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return bg::intersects(*g1, *g2, m_geographic_pl_pa_strategy);
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}
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bool Intersects::eval(const Geographic_linestring *g1,
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const Geographic_multilinestring *g2) const {
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return bg::intersects(*g1, *g2, m_geographic_ll_la_aa_strategy);
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}
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bool Intersects::eval(const Geographic_linestring *g1,
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const Geographic_multipolygon *g2) const {
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return bg::intersects(*g1, *g2, m_geographic_ll_la_aa_strategy);
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}
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//////////////////////////////////////////////////////////////////////////////
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// intersects(Geographic_polygon, *)
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bool Intersects::eval(const Geographic_polygon *g1,
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const Geographic_point *g2) const {
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return bg::intersects(*g1, *g2, m_geographic_pl_pa_strategy);
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}
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bool Intersects::eval(const Geographic_polygon *g1,
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const Geographic_linestring *g2) const {
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return bg::intersects(*g1, *g2, m_geographic_ll_la_aa_strategy);
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}
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bool Intersects::eval(const Geographic_polygon *g1,
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const Geographic_polygon *g2) const {
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return bg::intersects(*g1, *g2, m_geographic_ll_la_aa_strategy);
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}
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bool Intersects::eval(const Geographic_polygon *g1,
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const Geographic_geometrycollection *g2) const {
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return geometry_collection_apply_intersects<Geographic_geometrycollection>(
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*this, g1, g2);
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}
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bool Intersects::eval(const Geographic_polygon *g1,
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const Geographic_multipoint *g2) const {
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Disjoint disjoint(m_semi_major, m_semi_minor);
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return !disjoint(g1, g2);
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}
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bool Intersects::eval(const Geographic_polygon *g1,
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const Geographic_multilinestring *g2) const {
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return bg::intersects(*g1, *g2, m_geographic_ll_la_aa_strategy);
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}
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bool Intersects::eval(const Geographic_polygon *g1,
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const Geographic_multipolygon *g2) const {
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return bg::intersects(*g1, *g2, m_geographic_ll_la_aa_strategy);
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}
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//////////////////////////////////////////////////////////////////////////////
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// intersects(Geographic_geometrycollection, *)
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bool Intersects::eval(const Geographic_geometrycollection *g1,
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const Geometry *g2) const {
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return geometry_collection_apply_intersects<Geographic_geometrycollection>(
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*this, g1, g2);
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}
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//////////////////////////////////////////////////////////////////////////////
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// intersects(Geographic_multipoint, *)
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bool Intersects::eval(const Geographic_multipoint *g1,
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const Geographic_point *g2) const {
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// Default strategy is OK. P/P computations do not depend on shape of
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// ellipsoid.
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return bg::intersects(*g1, *g2);
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}
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bool Intersects::eval(const Geographic_multipoint *g1,
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const Geographic_linestring *g2) const {
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return bg::intersects(*g1, *g2, m_geographic_pl_pa_strategy);
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}
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bool Intersects::eval(const Geographic_multipoint *g1,
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const Geographic_polygon *g2) const {
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Disjoint disjoint(m_semi_major, m_semi_minor);
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return !disjoint(g1, g2);
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}
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bool Intersects::eval(const Geographic_multipoint *g1,
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const Geographic_geometrycollection *g2) const {
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return geometry_collection_apply_intersects<Geographic_geometrycollection>(
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*this, g1, g2);
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}
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|
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bool Intersects::eval(const Geographic_multipoint *g1,
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const Geographic_multipoint *g2) const {
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// Default strategy is OK. P/P computations do not depend on shape of
|
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// ellipsoid.
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return bg::intersects(*g1, *g2);
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}
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|
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bool Intersects::eval(const Geographic_multipoint *g1,
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const Geographic_multilinestring *g2) const {
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return bg::intersects(*g1, *g2, m_geographic_pl_pa_strategy);
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}
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|
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bool Intersects::eval(const Geographic_multipoint *g1,
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const Geographic_multipolygon *g2) const {
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Disjoint disjoint(m_semi_major, m_semi_minor);
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return !disjoint(g1, g2);
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}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
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|
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// intersects(Geographic_multilinestring, *)
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|
|
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bool Intersects::eval(const Geographic_multilinestring *g1,
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const Geographic_point *g2) const {
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return bg::intersects(*g1, *g2, m_geographic_pl_pa_strategy);
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|
}
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|
|
|
bool Intersects::eval(const Geographic_multilinestring *g1,
|
|
const Geographic_linestring *g2) const {
|
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return bg::intersects(*g1, *g2, m_geographic_ll_la_aa_strategy);
|
|
}
|
|
|
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bool Intersects::eval(const Geographic_multilinestring *g1,
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const Geographic_polygon *g2) const {
|
|
return bg::intersects(*g1, *g2, m_geographic_ll_la_aa_strategy);
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}
|
|
|
|
bool Intersects::eval(const Geographic_multilinestring *g1,
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|
const Geographic_geometrycollection *g2) const {
|
|
return geometry_collection_apply_intersects<Geographic_geometrycollection>(
|
|
*this, g1, g2);
|
|
}
|
|
|
|
bool Intersects::eval(const Geographic_multilinestring *g1,
|
|
const Geographic_multipoint *g2) const {
|
|
return bg::intersects(*g1, *g2, m_geographic_pl_pa_strategy);
|
|
}
|
|
|
|
bool Intersects::eval(const Geographic_multilinestring *g1,
|
|
const Geographic_multilinestring *g2) const {
|
|
return bg::intersects(*g1, *g2, m_geographic_ll_la_aa_strategy);
|
|
}
|
|
|
|
bool Intersects::eval(const Geographic_multilinestring *g1,
|
|
const Geographic_multipolygon *g2) const {
|
|
return bg::intersects(*g1, *g2, m_geographic_ll_la_aa_strategy);
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
// intersects(Geographic_multipolygon, *)
|
|
|
|
bool Intersects::eval(const Geographic_multipolygon *g1,
|
|
const Geographic_point *g2) const {
|
|
return bg::intersects(*g1, *g2, m_geographic_pl_pa_strategy);
|
|
}
|
|
|
|
bool Intersects::eval(const Geographic_multipolygon *g1,
|
|
const Geographic_linestring *g2) const {
|
|
return bg::intersects(*g1, *g2, m_geographic_ll_la_aa_strategy);
|
|
}
|
|
|
|
bool Intersects::eval(const Geographic_multipolygon *g1,
|
|
const Geographic_polygon *g2) const {
|
|
return bg::intersects(*g1, *g2, m_geographic_ll_la_aa_strategy);
|
|
}
|
|
|
|
bool Intersects::eval(const Geographic_multipolygon *g1,
|
|
const Geographic_geometrycollection *g2) const {
|
|
return geometry_collection_apply_intersects<Geographic_geometrycollection>(
|
|
*this, g1, g2);
|
|
}
|
|
|
|
bool Intersects::eval(const Geographic_multipolygon *g1,
|
|
const Geographic_multipoint *g2) const {
|
|
Disjoint disjoint(m_semi_major, m_semi_minor);
|
|
return !disjoint(g1, g2);
|
|
}
|
|
|
|
bool Intersects::eval(const Geographic_multipolygon *g1,
|
|
const Geographic_multilinestring *g2) const {
|
|
return bg::intersects(*g1, *g2, m_geographic_ll_la_aa_strategy);
|
|
}
|
|
|
|
bool Intersects::eval(const Geographic_multipolygon *g1,
|
|
const Geographic_multipolygon *g2) const {
|
|
return bg::intersects(*g1, *g2, m_geographic_ll_la_aa_strategy);
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
// intersects(Box, Box)
|
|
|
|
bool Intersects::eval(const Cartesian_box *b1, const Cartesian_box *b2) const {
|
|
return bg::intersects(*b1, *b2);
|
|
}
|
|
|
|
bool Intersects::eval(const Geographic_box *b1,
|
|
const Geographic_box *b2) const {
|
|
return bg::intersects(*b1, *b2);
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
bool intersects(const dd::Spatial_reference_system *srs, const Geometry *g1,
|
|
const Geometry *g2, const char *func_name, bool *intersects,
|
|
bool *null) noexcept {
|
|
try {
|
|
DBUG_ASSERT(g1->coordinate_system() == g2->coordinate_system());
|
|
DBUG_ASSERT(srs == nullptr ||
|
|
((srs->is_cartesian() &&
|
|
g1->coordinate_system() == Coordinate_system::kCartesian) ||
|
|
(srs->is_geographic() &&
|
|
g1->coordinate_system() == Coordinate_system::kGeographic)));
|
|
|
|
if ((*null = (g1->is_empty() || g2->is_empty()))) return false;
|
|
|
|
Intersects intersects_func(srs ? srs->semi_major_axis() : 0.0,
|
|
srs ? srs->semi_minor_axis() : 0.0);
|
|
*intersects = intersects_func(g1, g2);
|
|
} catch (...) {
|
|
handle_gis_exception(func_name);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool mbr_intersects(const dd::Spatial_reference_system *srs, const Geometry *g1,
|
|
const Geometry *g2, const char *func_name, bool *intersects,
|
|
bool *null) noexcept {
|
|
try {
|
|
DBUG_ASSERT(g1->coordinate_system() == g2->coordinate_system());
|
|
DBUG_ASSERT(srs == nullptr ||
|
|
((srs->is_cartesian() &&
|
|
g1->coordinate_system() == Coordinate_system::kCartesian) ||
|
|
(srs->is_geographic() &&
|
|
g1->coordinate_system() == Coordinate_system::kGeographic)));
|
|
|
|
if ((*null = (g1->is_empty() || g2->is_empty()))) return false;
|
|
|
|
Intersects intersects_func(srs ? srs->semi_major_axis() : 0.0,
|
|
srs ? srs->semi_minor_axis() : 0.0);
|
|
|
|
switch (g1->coordinate_system()) {
|
|
case Coordinate_system::kCartesian: {
|
|
Cartesian_box mbr1;
|
|
box_envelope(g1, srs, &mbr1);
|
|
Cartesian_box mbr2;
|
|
box_envelope(g2, srs, &mbr2);
|
|
*intersects = intersects_func(&mbr1, &mbr2);
|
|
break;
|
|
}
|
|
case Coordinate_system::kGeographic: {
|
|
Geographic_box mbr1;
|
|
box_envelope(g1, srs, &mbr1);
|
|
Geographic_box mbr2;
|
|
box_envelope(g2, srs, &mbr2);
|
|
*intersects = intersects_func(&mbr1, &mbr2);
|
|
break;
|
|
}
|
|
}
|
|
} catch (...) {
|
|
handle_gis_exception(func_name);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
} // namespace gis
|
|
|