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271 lines
9.4 KiB
271 lines
9.4 KiB
// Copyright (c) 2018, 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 transform functor and function.
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// boost/geometry/srs/projections/impl/dms_parser.hpp uses "SEC" as a template
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// parameter name, but SEC is a macro in sys/time.h on Solaris.
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#include "my_config.h" // HAVE_SYS_TIME_H
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#undef SEC
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#endif
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#include "sql/gis/transform.h"
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#include "sql/gis/transform_functor.h"
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#include <boost/geometry.hpp>
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#include <memory> // std::unique_ptr
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#include "my_inttypes.h" // MYF
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#include "my_sys.h" // my_error
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#include "mysqld_error.h" // Error codes
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#include "sql/dd/string_type.h" // dd::String_type
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#include "sql/dd/types/spatial_reference_system.h" // dd::Spatial_reference_system
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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/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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Transform::Transform(const std::string &old_srs_params,
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const std::string &new_srs_params,
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Coordinate_system output_cs)
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: m_transformation(bg::srs::proj4(old_srs_params),
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bg::srs::proj4(new_srs_params)),
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m_output_cs(output_cs) {}
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std::unique_ptr<Geometry> Transform::operator()(const Geometry &g) const {
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return apply(*this, g);
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}
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std::unique_ptr<Geometry> Transform::eval(const Geometry &g) const {
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/* purecov: begin deadcode */
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DBUG_ASSERT(false);
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throw not_implemented_exception::for_non_projected(g);
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/* purecov: end */
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}
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std::unique_ptr<Geometry> Transform::eval(const Geographic_point &g) const {
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switch (m_output_cs) {
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case Coordinate_system::kCartesian:
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// We currently support only transformations between two geographic
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// systems.
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break;
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case Coordinate_system::kGeographic: {
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// Workaround for limitation in Developer Studio 12.5 on Solaris that
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// doesn't allow returning std::unique_ptr<subtype of Geometry>.
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Geographic_point *pt_result = new Geographic_point();
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std::unique_ptr<Geometry> result(pt_result);
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m_transformation.forward(g, *pt_result);
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return result;
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}
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}
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/* purceov: begin deadcode */
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DBUG_ASSERT(false);
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throw std::exception();
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/* purceov: end */
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}
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std::unique_ptr<Geometry> Transform::eval(
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const Geographic_linestring &g) const {
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switch (m_output_cs) {
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case Coordinate_system::kCartesian:
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// We currently support only transformations between two geographic
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// systems.
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break;
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case Coordinate_system::kGeographic: {
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// Workaround for limitation in Developer Studio 12.5 on Solaris that
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// doesn't allow returning std::unique_ptr<subtype of Geometry>.
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Geographic_linestring *ls_result = new Geographic_linestring();
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std::unique_ptr<Geometry> result(ls_result);
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m_transformation.forward(g, *ls_result);
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return result;
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}
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}
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/* purceov: begin deadcode */
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DBUG_ASSERT(false);
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throw std::exception();
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/* purceov: end */
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}
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std::unique_ptr<Geometry> Transform::eval(const Geographic_polygon &g) const {
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switch (m_output_cs) {
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case Coordinate_system::kCartesian:
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// We currently support only transformations between two geographic
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// systems.
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break;
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case Coordinate_system::kGeographic: {
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// Workaround for limitation in Developer Studio 12.5 on Solaris that
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// doesn't allow returning std::unique_ptr<subtype of Geometry>.
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Geographic_polygon *py_result = new Geographic_polygon();
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std::unique_ptr<Geometry> result(py_result);
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m_transformation.forward(g, *py_result);
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return result;
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}
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}
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/* purceov: begin deadcode */
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DBUG_ASSERT(false);
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throw std::exception();
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/* purceov: end */
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}
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std::unique_ptr<Geometry> Transform::eval(
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const Geographic_geometrycollection &g) const {
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switch (m_output_cs) {
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case Coordinate_system::kCartesian:
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// We currently support only transformations between two geographic
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// systems.
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break;
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case Coordinate_system::kGeographic: {
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// Workaround for limitation in Developer Studio 12.5 on Solaris that
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// doesn't allow returning std::unique_ptr<subtype of Geometry>.
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Geographic_geometrycollection *gc_result =
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new Geographic_geometrycollection();
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std::unique_ptr<Geometry> result(gc_result);
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for (std::size_t i = 0; i < g.size(); i++) {
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std::unique_ptr<Geometry> geom_res(apply(*this, g[i]));
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gc_result->push_back(*geom_res);
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}
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return result;
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}
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}
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/* purceov: begin deadcode */
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DBUG_ASSERT(false);
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throw std::exception();
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/* purceov: end */
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}
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std::unique_ptr<Geometry> Transform::eval(
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const Geographic_multipoint &g) const {
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switch (m_output_cs) {
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case Coordinate_system::kCartesian:
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// We currently support only transformations between two geographic
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// systems.
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break;
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case Coordinate_system::kGeographic: {
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// Workaround for limitation in Developer Studio 12.5 on Solaris that
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// doesn't allow returning std::unique_ptr<subtype of Geometry>.
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Geographic_multipoint *mpt_result = new Geographic_multipoint();
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std::unique_ptr<Geometry> result(mpt_result);
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m_transformation.forward(g, *mpt_result);
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return result;
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}
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}
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/* purceov: begin deadcode */
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DBUG_ASSERT(false);
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throw std::exception();
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/* purceov: end */
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}
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std::unique_ptr<Geometry> Transform::eval(
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const Geographic_multilinestring &g) const {
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switch (m_output_cs) {
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case Coordinate_system::kCartesian:
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// We currently support only transformations between two geographic
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// systems.
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break;
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case Coordinate_system::kGeographic: {
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// Workaround for limitation in Developer Studio 12.5 on Solaris that
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// doesn't allow returning std::unique_ptr<subtype of Geometry>.
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Geographic_multilinestring *mls_result = new Geographic_multilinestring();
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std::unique_ptr<Geometry> result(mls_result);
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m_transformation.forward(g, *mls_result);
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return result;
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}
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}
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/* purceov: begin deadcode */
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DBUG_ASSERT(false);
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throw std::exception();
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/* purceov: end */
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}
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std::unique_ptr<Geometry> Transform::eval(
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const Geographic_multipolygon &g) const {
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switch (m_output_cs) {
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case Coordinate_system::kCartesian:
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// We currently support only transformations between two geographic
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// systems.
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break;
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case Coordinate_system::kGeographic: {
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// Workaround for limitation in Developer Studio 12.5 on Solaris that
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// doesn't allow returning std::unique_ptr<subtype of Geometry>.
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Geographic_multipolygon *mpy_result = new Geographic_multipolygon();
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std::unique_ptr<Geometry> result(mpy_result);
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m_transformation.forward(g, *mpy_result);
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return result;
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}
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}
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/* purceov: begin deadcode */
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DBUG_ASSERT(false);
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throw std::exception();
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/* purceov: end */
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}
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bool transform(const dd::Spatial_reference_system *source_srs,
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const Geometry &in,
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const dd::Spatial_reference_system *target_srs,
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const char *func_name, std::unique_ptr<Geometry> *out) noexcept {
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try {
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dd::String_type source_proj = source_srs->proj4_parameters();
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dd::String_type target_proj = target_srs->proj4_parameters();
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if (source_srs->missing_towgs84()) {
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my_error(ER_TRANSFORM_SOURCE_SRS_MISSING_TOWGS84, MYF(0),
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source_srs->id());
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return true;
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}
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if (target_srs->missing_towgs84()) {
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my_error(ER_TRANSFORM_TARGET_SRS_MISSING_TOWGS84, MYF(0),
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target_srs->id());
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return true;
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}
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if (source_proj.size() == 0) {
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DBUG_ASSERT(source_srs->is_projected());
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my_error(ER_TRANSFORM_SOURCE_SRS_NOT_SUPPORTED, MYF(0), source_srs->id());
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return true;
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}
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if (target_proj.size() == 0) {
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DBUG_ASSERT(target_srs->is_projected());
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my_error(ER_TRANSFORM_TARGET_SRS_NOT_SUPPORTED, MYF(0), target_srs->id());
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return true;
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}
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Transform transform(source_proj.c_str(), target_proj.c_str(),
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target_srs->cs_type());
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*out = transform(in);
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return false;
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} catch (...) {
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/* purecov: begin inspected */
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handle_gis_exception(func_name);
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return true;
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/* purecov: end */
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}
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}
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} // namespace gis
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