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test_c_api.cpp
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test_c_api.cpp
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/******************************************************************************
*
* Project: PROJ
* Purpose: Test ISO19111:2018 implementation
* Author: Even Rouault <even dot rouault at spatialys dot com>
*
******************************************************************************
* Copyright (c) 2018, Even Rouault <even dot rouault at spatialys dot com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
****************************************************************************/
#include "gtest_include.h"
#include <cstdio>
#include <limits>
#include "proj.h"
#include "proj_constants.h"
#include "proj_experimental.h"
#include "proj/common.hpp"
#include "proj/coordinateoperation.hpp"
#include "proj/coordinatesystem.hpp"
#include "proj/crs.hpp"
#include "proj/datum.hpp"
#include "proj/io.hpp"
#include "proj/metadata.hpp"
#include "proj/util.hpp"
#include <sqlite3.h>
using namespace osgeo::proj::common;
using namespace osgeo::proj::crs;
using namespace osgeo::proj::cs;
using namespace osgeo::proj::datum;
using namespace osgeo::proj::io;
using namespace osgeo::proj::metadata;
using namespace osgeo::proj::operation;
using namespace osgeo::proj::util;
namespace {
class CApi : public ::testing::Test {
static void DummyLogFunction(void *, int, const char *) {}
protected:
void SetUp() override {
m_ctxt = proj_context_create();
proj_log_func(m_ctxt, nullptr, DummyLogFunction);
}
void TearDown() override {
if (m_ctxt)
proj_context_destroy(m_ctxt);
}
static BoundCRSNNPtr createBoundCRS() {
return BoundCRS::create(
GeographicCRS::EPSG_4807, GeographicCRS::EPSG_4326,
Transformation::create(
PropertyMap(), GeographicCRS::EPSG_4807,
GeographicCRS::EPSG_4326, nullptr, PropertyMap(),
{OperationParameter::create(
PropertyMap().set(IdentifiedObject::NAME_KEY, "foo"))},
{ParameterValue::create(
Measure(1.0, UnitOfMeasure::SCALE_UNITY))},
{}));
}
static ProjectedCRSNNPtr createProjectedCRS() {
PropertyMap propertiesCRS;
propertiesCRS.set(Identifier::CODESPACE_KEY, "EPSG")
.set(Identifier::CODE_KEY, 32631)
.set(IdentifiedObject::NAME_KEY, "WGS 84 / UTM zone 31N");
return ProjectedCRS::create(
propertiesCRS, GeographicCRS::EPSG_4326,
Conversion::createUTM(PropertyMap(), 31, true),
CartesianCS::createEastingNorthing(UnitOfMeasure::METRE));
}
static VerticalCRSNNPtr createVerticalCRS() {
PropertyMap propertiesVDatum;
propertiesVDatum.set(Identifier::CODESPACE_KEY, "EPSG")
.set(Identifier::CODE_KEY, 5101)
.set(IdentifiedObject::NAME_KEY, "Ordnance Datum Newlyn");
auto vdatum = VerticalReferenceFrame::create(propertiesVDatum);
PropertyMap propertiesCRS;
propertiesCRS.set(Identifier::CODESPACE_KEY, "EPSG")
.set(Identifier::CODE_KEY, 5701)
.set(IdentifiedObject::NAME_KEY, "ODN height");
return VerticalCRS::create(
propertiesCRS, vdatum,
VerticalCS::createGravityRelatedHeight(UnitOfMeasure::METRE));
}
static CompoundCRSNNPtr createCompoundCRS() {
PropertyMap properties;
properties.set(Identifier::CODESPACE_KEY, "codespace")
.set(Identifier::CODE_KEY, "code")
.set(IdentifiedObject::NAME_KEY, "horizontal + vertical");
return CompoundCRS::create(
properties,
std::vector<CRSNNPtr>{createProjectedCRS(), createVerticalCRS()});
}
PJ_CONTEXT *m_ctxt = nullptr;
struct ObjectKeeper {
PJ *m_obj = nullptr;
explicit ObjectKeeper(PJ *obj) : m_obj(obj) {}
~ObjectKeeper() { proj_destroy(m_obj); }
ObjectKeeper(const ObjectKeeper &) = delete;
ObjectKeeper &operator=(const ObjectKeeper &) = delete;
};
struct ContextKeeper {
PJ_OPERATION_FACTORY_CONTEXT *m_op_ctxt = nullptr;
explicit ContextKeeper(PJ_OPERATION_FACTORY_CONTEXT *op_ctxt)
: m_op_ctxt(op_ctxt) {}
~ContextKeeper() { proj_operation_factory_context_destroy(m_op_ctxt); }
ContextKeeper(const ContextKeeper &) = delete;
ContextKeeper &operator=(const ContextKeeper &) = delete;
};
struct ObjListKeeper {
PJ_OBJ_LIST *m_res = nullptr;
explicit ObjListKeeper(PJ_OBJ_LIST *res) : m_res(res) {}
~ObjListKeeper() { proj_list_destroy(m_res); }
ObjListKeeper(const ObjListKeeper &) = delete;
ObjListKeeper &operator=(const ObjListKeeper &) = delete;
};
};
// ---------------------------------------------------------------------------
TEST_F(CApi, proj_create) {
proj_destroy(nullptr);
EXPECT_EQ(proj_create(m_ctxt, "invalid"), nullptr);
{
auto obj =
proj_create(m_ctxt, GeographicCRS::EPSG_4326
->exportToWKT(WKTFormatter::create().get())
.c_str());
ObjectKeeper keeper(obj);
EXPECT_NE(obj, nullptr);
// Check that functions that operate on 'non-C++' PJ don't crash
PJ_COORD coord;
coord.xyzt.x = 0;
coord.xyzt.y = 0;
coord.xyzt.z = 0;
coord.xyzt.t = 0;
EXPECT_EQ(proj_trans(obj, PJ_FWD, coord).xyzt.x,
std::numeric_limits<double>::infinity());
EXPECT_EQ(proj_geod(obj, coord, coord).xyzt.x,
std::numeric_limits<double>::infinity());
EXPECT_EQ(proj_lp_dist(obj, coord, coord),
std::numeric_limits<double>::infinity());
auto info = proj_pj_info(obj);
EXPECT_EQ(info.id, nullptr);
ASSERT_NE(info.description, nullptr);
EXPECT_EQ(info.description, std::string("WGS 84"));
ASSERT_NE(info.definition, nullptr);
EXPECT_EQ(info.definition, std::string(""));
}
{
auto obj = proj_create(m_ctxt, "EPSG:4326");
ObjectKeeper keeper(obj);
EXPECT_NE(obj, nullptr);
}
}
// ---------------------------------------------------------------------------
TEST_F(CApi, proj_create_from_wkt) {
{
EXPECT_EQ(
proj_create_from_wkt(m_ctxt, "invalid", nullptr, nullptr, nullptr),
nullptr);
}
{
PROJ_STRING_LIST warningList = nullptr;
PROJ_STRING_LIST errorList = nullptr;
EXPECT_EQ(proj_create_from_wkt(m_ctxt, "invalid", nullptr, &warningList,
&errorList),
nullptr);
EXPECT_EQ(warningList, nullptr);
proj_string_list_destroy(warningList);
EXPECT_NE(errorList, nullptr);
proj_string_list_destroy(errorList);
}
{
auto obj = proj_create_from_wkt(
m_ctxt,
GeographicCRS::EPSG_4326->exportToWKT(WKTFormatter::create().get())
.c_str(),
nullptr, nullptr, nullptr);
ObjectKeeper keeper(obj);
EXPECT_NE(obj, nullptr);
}
{
auto obj = proj_create_from_wkt(
m_ctxt,
"GEOGCS[\"WGS 84\",\n"
" DATUM[\"WGS_1984\",\n"
" SPHEROID[\"WGS 84\",6378137,298.257223563,\"unused\"]],\n"
" PRIMEM[\"Greenwich\",0],\n"
" UNIT[\"degree\",0.0174532925199433]]",
nullptr, nullptr, nullptr);
EXPECT_EQ(obj, nullptr);
}
{
PROJ_STRING_LIST warningList = nullptr;
PROJ_STRING_LIST errorList = nullptr;
auto obj = proj_create_from_wkt(
m_ctxt,
"GEOGCS[\"WGS 84\",\n"
" DATUM[\"WGS_1984\",\n"
" SPHEROID[\"WGS 84\",6378137,298.257223563,\"unused\"]],\n"
" PRIMEM[\"Greenwich\",0],\n"
" UNIT[\"degree\",0.0174532925199433]]",
nullptr, &warningList, &errorList);
EXPECT_EQ(obj, nullptr);
EXPECT_EQ(warningList, nullptr);
proj_string_list_destroy(warningList);
EXPECT_NE(errorList, nullptr);
proj_string_list_destroy(errorList);
}
{
PROJ_STRING_LIST warningList = nullptr;
PROJ_STRING_LIST errorList = nullptr;
const char *const options[] = {"STRICT=NO", nullptr};
auto obj = proj_create_from_wkt(
m_ctxt,
"GEOGCS[\"WGS 84\",\n"
" DATUM[\"WGS_1984\",\n"
" SPHEROID[\"WGS 84\",6378137,298.257223563,\"unused\"]],\n"
" PRIMEM[\"Greenwich\",0],\n"
" UNIT[\"degree\",0.0174532925199433]]",
options, &warningList, &errorList);
ObjectKeeper keeper(obj);
EXPECT_NE(obj, nullptr);
EXPECT_EQ(warningList, nullptr);
proj_string_list_destroy(warningList);
EXPECT_NE(errorList, nullptr);
proj_string_list_destroy(errorList);
}
{
PROJ_STRING_LIST warningList = nullptr;
PROJ_STRING_LIST errorList = nullptr;
auto obj = proj_create_from_wkt(
m_ctxt,
GeographicCRS::EPSG_4326->exportToWKT(WKTFormatter::create().get())
.c_str(),
nullptr, &warningList, &errorList);
ObjectKeeper keeper(obj);
EXPECT_NE(obj, nullptr);
EXPECT_EQ(warningList, nullptr);
EXPECT_EQ(errorList, nullptr);
}
// Warnings: missing projection parameters
{
PROJ_STRING_LIST warningList = nullptr;
PROJ_STRING_LIST errorList = nullptr;
auto obj = proj_create_from_wkt(
m_ctxt, "PROJCS[\"test\",\n"
" GEOGCS[\"WGS 84\",\n"
" DATUM[\"WGS_1984\",\n"
" SPHEROID[\"WGS 84\",6378137,298.257223563]],\n"
" PRIMEM[\"Greenwich\",0],\n"
" UNIT[\"degree\",0.0174532925199433]],\n"
" PROJECTION[\"Transverse_Mercator\"],\n"
" PARAMETER[\"latitude_of_origin\",31],\n"
" UNIT[\"metre\",1]]",
nullptr, &warningList, &errorList);
ObjectKeeper keeper(obj);
EXPECT_NE(obj, nullptr);
EXPECT_NE(warningList, nullptr);
proj_string_list_destroy(warningList);
EXPECT_EQ(errorList, nullptr);
proj_string_list_destroy(errorList);
}
{
auto obj = proj_create_from_wkt(
m_ctxt, "PROJCS[\"test\",\n"
" GEOGCS[\"WGS 84\",\n"
" DATUM[\"WGS_1984\",\n"
" SPHEROID[\"WGS 84\",6378137,298.257223563]],\n"
" PRIMEM[\"Greenwich\",0],\n"
" UNIT[\"degree\",0.0174532925199433]],\n"
" PROJECTION[\"Transverse_Mercator\"],\n"
" PARAMETER[\"latitude_of_origin\",31],\n"
" UNIT[\"metre\",1]]",
nullptr, nullptr, nullptr);
ObjectKeeper keeper(obj);
EXPECT_NE(obj, nullptr);
}
}
// ---------------------------------------------------------------------------
TEST_F(CApi, proj_as_wkt) {
auto obj = proj_create_from_wkt(
m_ctxt,
GeographicCRS::EPSG_4326->exportToWKT(WKTFormatter::create().get())
.c_str(),
nullptr, nullptr, nullptr);
ObjectKeeper keeper(obj);
ASSERT_NE(obj, nullptr);
{
auto wkt = proj_as_wkt(m_ctxt, obj, PJ_WKT2_2018, nullptr);
ASSERT_NE(wkt, nullptr);
EXPECT_TRUE(std::string(wkt).find("GEOGCRS[") == 0) << wkt;
}
{
auto wkt = proj_as_wkt(m_ctxt, obj, PJ_WKT2_2018_SIMPLIFIED, nullptr);
ASSERT_NE(wkt, nullptr);
EXPECT_TRUE(std::string(wkt).find("GEOGCRS[") == 0) << wkt;
EXPECT_TRUE(std::string(wkt).find("ANGULARUNIT[") == std::string::npos)
<< wkt;
}
{
auto wkt = proj_as_wkt(m_ctxt, obj, PJ_WKT2_2015, nullptr);
ASSERT_NE(wkt, nullptr);
EXPECT_TRUE(std::string(wkt).find("GEODCRS[") == 0) << wkt;
}
{
auto wkt = proj_as_wkt(m_ctxt, obj, PJ_WKT2_2015_SIMPLIFIED, nullptr);
ASSERT_NE(wkt, nullptr);
EXPECT_TRUE(std::string(wkt).find("GEODCRS[") == 0) << wkt;
EXPECT_TRUE(std::string(wkt).find("ANGULARUNIT[") == std::string::npos)
<< wkt;
}
{
auto wkt = proj_as_wkt(m_ctxt, obj, PJ_WKT1_GDAL, nullptr);
ASSERT_NE(wkt, nullptr);
EXPECT_TRUE(std::string(wkt).find("GEOGCS[\"WGS 84\"") == 0) << wkt;
}
{
auto wkt = proj_as_wkt(m_ctxt, obj, PJ_WKT1_ESRI, nullptr);
ASSERT_NE(wkt, nullptr);
EXPECT_TRUE(std::string(wkt).find("GEOGCS[\"GCS_WGS_1984\"") == 0)
<< wkt;
}
// MULTILINE=NO
{
const char *const options[] = {"MULTILINE=NO", nullptr};
auto wkt = proj_as_wkt(m_ctxt, obj, PJ_WKT1_GDAL, options);
ASSERT_NE(wkt, nullptr);
EXPECT_TRUE(std::string(wkt).find("\n") == std::string::npos) << wkt;
}
// INDENTATION_WIDTH=2
{
const char *const options[] = {"INDENTATION_WIDTH=2", nullptr};
auto wkt = proj_as_wkt(m_ctxt, obj, PJ_WKT1_GDAL, options);
ASSERT_NE(wkt, nullptr);
EXPECT_TRUE(std::string(wkt).find("\n DATUM") != std::string::npos)
<< wkt;
}
// OUTPUT_AXIS=NO
{
const char *const options[] = {"OUTPUT_AXIS=NO", nullptr};
auto wkt = proj_as_wkt(m_ctxt, obj, PJ_WKT1_GDAL, options);
ASSERT_NE(wkt, nullptr);
EXPECT_TRUE(std::string(wkt).find("AXIS") == std::string::npos) << wkt;
}
// OUTPUT_AXIS=AUTO
{
const char *const options[] = {"OUTPUT_AXIS=AUTO", nullptr};
auto wkt = proj_as_wkt(m_ctxt, obj, PJ_WKT1_GDAL, options);
ASSERT_NE(wkt, nullptr);
EXPECT_TRUE(std::string(wkt).find("AXIS") == std::string::npos) << wkt;
}
// OUTPUT_AXIS=YES
{
const char *const options[] = {"OUTPUT_AXIS=YES", nullptr};
auto wkt = proj_as_wkt(m_ctxt, obj, PJ_WKT1_GDAL, options);
ASSERT_NE(wkt, nullptr);
EXPECT_TRUE(std::string(wkt).find("AXIS") != std::string::npos) << wkt;
}
auto crs4979 = proj_create_from_wkt(
m_ctxt,
GeographicCRS::EPSG_4979->exportToWKT(WKTFormatter::create().get())
.c_str(),
nullptr, nullptr, nullptr);
ObjectKeeper keeper_crs4979(crs4979);
ASSERT_NE(crs4979, nullptr);
// STRICT=NO
{
EXPECT_EQ(proj_as_wkt(m_ctxt, crs4979, PJ_WKT1_GDAL, nullptr), nullptr);
const char *const options[] = {"STRICT=NO", nullptr};
auto wkt = proj_as_wkt(m_ctxt, crs4979, PJ_WKT1_GDAL, options);
ASSERT_NE(wkt, nullptr);
EXPECT_TRUE(std::string(wkt).find("GEOGCS[\"WGS 84\"") == 0) << wkt;
}
// unsupported option
{
const char *const options[] = {"unsupported=yes", nullptr};
auto wkt = proj_as_wkt(m_ctxt, obj, PJ_WKT2_2018, options);
EXPECT_EQ(wkt, nullptr);
}
}
// ---------------------------------------------------------------------------
TEST_F(CApi, proj_as_wkt_check_db_use) {
auto obj = proj_create_from_wkt(
m_ctxt, "GEOGCS[\"AGD66\",DATUM[\"Australian_Geodetic_Datum_1966\","
"SPHEROID[\"Australian National Spheroid\",6378160,298.25]],"
"PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433]]",
nullptr, nullptr, nullptr);
ObjectKeeper keeper(obj);
ASSERT_NE(obj, nullptr);
auto wkt = proj_as_wkt(m_ctxt, obj, PJ_WKT1_ESRI, nullptr);
EXPECT_EQ(std::string(wkt),
"GEOGCS[\"GCS_Australian_1966\",DATUM[\"D_Australian_1966\","
"SPHEROID[\"Australian\",6378160.0,298.25]],"
"PRIMEM[\"Greenwich\",0.0],"
"UNIT[\"Degree\",0.0174532925199433]]");
}
// ---------------------------------------------------------------------------
TEST_F(CApi, proj_as_wkt_incompatible_WKT1) {
auto wkt = createBoundCRS()->exportToWKT(WKTFormatter::create().get());
auto obj =
proj_create_from_wkt(m_ctxt, wkt.c_str(), nullptr, nullptr, nullptr);
ObjectKeeper keeper(obj);
ASSERT_NE(obj, nullptr) << wkt;
auto wkt1_GDAL = proj_as_wkt(m_ctxt, obj, PJ_WKT1_GDAL, nullptr);
ASSERT_EQ(wkt1_GDAL, nullptr);
}
// ---------------------------------------------------------------------------
TEST_F(CApi, proj_as_proj_string) {
auto obj = proj_create_from_wkt(
m_ctxt,
GeographicCRS::EPSG_4326->exportToWKT(WKTFormatter::create().get())
.c_str(),
nullptr, nullptr, nullptr);
ObjectKeeper keeper(obj);
ASSERT_NE(obj, nullptr);
{
auto proj_5 = proj_as_proj_string(m_ctxt, obj, PJ_PROJ_5, nullptr);
ASSERT_NE(proj_5, nullptr);
EXPECT_EQ(std::string(proj_5),
"+proj=longlat +datum=WGS84 +no_defs +type=crs");
}
{
auto proj_4 = proj_as_proj_string(m_ctxt, obj, PJ_PROJ_4, nullptr);
ASSERT_NE(proj_4, nullptr);
EXPECT_EQ(std::string(proj_4),
"+proj=longlat +datum=WGS84 +no_defs +type=crs");
}
}
// ---------------------------------------------------------------------------
TEST_F(CApi, proj_as_proj_string_incompatible_WKT1) {
auto obj = proj_create_from_wkt(
m_ctxt,
createBoundCRS()->exportToWKT(WKTFormatter::create().get()).c_str(),
nullptr, nullptr, nullptr);
ObjectKeeper keeper(obj);
ASSERT_NE(obj, nullptr);
auto str = proj_as_proj_string(m_ctxt, obj, PJ_PROJ_5, nullptr);
ASSERT_EQ(str, nullptr);
}
// ---------------------------------------------------------------------------
TEST_F(CApi, proj_as_proj_string_approx_tmerc_option_yes) {
auto obj = proj_create(m_ctxt, "+proj=tmerc +type=crs");
ObjectKeeper keeper(obj);
ASSERT_NE(obj, nullptr);
const char *options[] = {"USE_APPROX_TMERC=YES", nullptr};
auto str = proj_as_proj_string(m_ctxt, obj, PJ_PROJ_4, options);
ASSERT_NE(str, nullptr);
EXPECT_EQ(str,
std::string("+proj=tmerc +approx +lat_0=0 +lon_0=0 +k=1 +x_0=0 "
"+y_0=0 +datum=WGS84 +units=m +no_defs +type=crs"));
}
// ---------------------------------------------------------------------------
TEST_F(CApi, proj_crs_create_bound_crs_to_WGS84) {
auto crs = proj_create_from_database(m_ctxt, "EPSG", "3844",
PJ_CATEGORY_CRS, false, nullptr);
ObjectKeeper keeper(crs);
ASSERT_NE(crs, nullptr);
auto res = proj_crs_create_bound_crs_to_WGS84(m_ctxt, crs, nullptr);
ObjectKeeper keeper_res(res);
ASSERT_NE(res, nullptr);
auto proj_4 = proj_as_proj_string(m_ctxt, res, PJ_PROJ_4, nullptr);
ASSERT_NE(proj_4, nullptr);
EXPECT_EQ(std::string(proj_4),
"+proj=sterea +lat_0=46 +lon_0=25 +k=0.99975 +x_0=500000 "
"+y_0=500000 +ellps=krass "
"+towgs84=2.329,-147.042,-92.08,-0.309,0.325,0.497,5.69 "
"+units=m +no_defs +type=crs");
auto base_crs = proj_get_source_crs(m_ctxt, res);
ObjectKeeper keeper_base_crs(base_crs);
ASSERT_NE(base_crs, nullptr);
auto hub_crs = proj_get_target_crs(m_ctxt, res);
ObjectKeeper keeper_hub_crs(hub_crs);
ASSERT_NE(hub_crs, nullptr);
auto transf = proj_crs_get_coordoperation(m_ctxt, res);
ObjectKeeper keeper_transf(transf);
ASSERT_NE(transf, nullptr);
std::vector<double> values(7, 0);
EXPECT_TRUE(proj_coordoperation_get_towgs84_values(m_ctxt, transf,
values.data(), 7, true));
auto expected = std::vector<double>{2.329, -147.042, -92.08, -0.309,
0.325, 0.497, 5.69};
EXPECT_EQ(values, expected);
auto res2 = proj_crs_create_bound_crs(m_ctxt, base_crs, hub_crs, transf);
ObjectKeeper keeper_res2(res2);
ASSERT_NE(res2, nullptr);
EXPECT_TRUE(proj_is_equivalent_to(res, res2, PJ_COMP_STRICT));
}
// ---------------------------------------------------------------------------
TEST_F(CApi, proj_crs_create_bound_crs_to_WGS84_on_invalid_type) {
auto wkt = createProjectedCRS()->derivingConversion()->exportToWKT(
WKTFormatter::create().get());
auto obj =
proj_create_from_wkt(m_ctxt, wkt.c_str(), nullptr, nullptr, nullptr);
ObjectKeeper keeper(obj);
ASSERT_NE(obj, nullptr) << wkt;
auto res = proj_crs_create_bound_crs_to_WGS84(m_ctxt, obj, nullptr);
ASSERT_EQ(res, nullptr);
}
// ---------------------------------------------------------------------------
TEST_F(CApi, proj_get_name) {
auto obj = proj_create_from_wkt(
m_ctxt,
GeographicCRS::EPSG_4326->exportToWKT(WKTFormatter::create().get())
.c_str(),
nullptr, nullptr, nullptr);
ObjectKeeper keeper(obj);
ASSERT_NE(obj, nullptr);
auto name = proj_get_name(obj);
ASSERT_TRUE(name != nullptr);
EXPECT_EQ(name, std::string("WGS 84"));
EXPECT_EQ(name, proj_get_name(obj));
}
// ---------------------------------------------------------------------------
TEST_F(CApi, proj_get_id_auth_name) {
auto obj = proj_create_from_wkt(
m_ctxt,
GeographicCRS::EPSG_4326->exportToWKT(WKTFormatter::create().get())
.c_str(),
nullptr, nullptr, nullptr);
ObjectKeeper keeper(obj);
ASSERT_NE(obj, nullptr);
auto auth = proj_get_id_auth_name(obj, 0);
ASSERT_TRUE(auth != nullptr);
EXPECT_EQ(auth, std::string("EPSG"));
EXPECT_EQ(auth, proj_get_id_auth_name(obj, 0));
EXPECT_EQ(proj_get_id_auth_name(obj, -1), nullptr);
EXPECT_EQ(proj_get_id_auth_name(obj, 1), nullptr);
}
// ---------------------------------------------------------------------------
TEST_F(CApi, proj_get_id_code) {
auto obj = proj_create_from_wkt(
m_ctxt,
GeographicCRS::EPSG_4326->exportToWKT(WKTFormatter::create().get())
.c_str(),
nullptr, nullptr, nullptr);
ObjectKeeper keeper(obj);
ASSERT_NE(obj, nullptr);
auto code = proj_get_id_code(obj, 0);
ASSERT_TRUE(code != nullptr);
EXPECT_EQ(code, std::string("4326"));
EXPECT_EQ(code, proj_get_id_code(obj, 0));
EXPECT_EQ(proj_get_id_code(obj, -1), nullptr);
EXPECT_EQ(proj_get_id_code(obj, 1), nullptr);
}
// ---------------------------------------------------------------------------
TEST_F(CApi, proj_get_type) {
{
auto obj = proj_create_from_wkt(
m_ctxt,
GeographicCRS::EPSG_4326->exportToWKT(WKTFormatter::create().get())
.c_str(),
nullptr, nullptr, nullptr);
ObjectKeeper keeper(obj);
ASSERT_NE(obj, nullptr);
EXPECT_EQ(proj_get_type(obj), PJ_TYPE_GEOGRAPHIC_2D_CRS);
}
{
auto obj = proj_create_from_wkt(
m_ctxt,
GeographicCRS::EPSG_4979->exportToWKT(WKTFormatter::create().get())
.c_str(),
nullptr, nullptr, nullptr);
ObjectKeeper keeper(obj);
ASSERT_NE(obj, nullptr);
EXPECT_EQ(proj_get_type(obj), PJ_TYPE_GEOGRAPHIC_3D_CRS);
}
{
auto obj = proj_create_from_wkt(
m_ctxt,
GeographicCRS::EPSG_4978->exportToWKT(WKTFormatter::create().get())
.c_str(),
nullptr, nullptr, nullptr);
ObjectKeeper keeper(obj);
ASSERT_NE(obj, nullptr);
EXPECT_EQ(proj_get_type(obj), PJ_TYPE_GEOCENTRIC_CRS);
}
{
auto obj = proj_create_from_wkt(
m_ctxt, GeographicCRS::EPSG_4326->datum()
->exportToWKT(WKTFormatter::create().get())
.c_str(),
nullptr, nullptr, nullptr);
ObjectKeeper keeper(obj);
ASSERT_NE(obj, nullptr);
EXPECT_EQ(proj_get_type(obj), PJ_TYPE_GEODETIC_REFERENCE_FRAME);
}
{
auto obj = proj_create_from_wkt(
m_ctxt, GeographicCRS::EPSG_4326->ellipsoid()
->exportToWKT(WKTFormatter::create().get())
.c_str(),
nullptr, nullptr, nullptr);
ObjectKeeper keeper(obj);
ASSERT_NE(obj, nullptr);
EXPECT_EQ(proj_get_type(obj), PJ_TYPE_ELLIPSOID);
}
{
auto obj = proj_create_from_wkt(
m_ctxt, createProjectedCRS()
->exportToWKT(WKTFormatter::create().get())
.c_str(),
nullptr, nullptr, nullptr);
ObjectKeeper keeper(obj);
ASSERT_NE(obj, nullptr);
EXPECT_EQ(proj_get_type(obj), PJ_TYPE_PROJECTED_CRS);
}
{
auto obj = proj_create_from_wkt(
m_ctxt, createVerticalCRS()
->exportToWKT(WKTFormatter::create().get())
.c_str(),
nullptr, nullptr, nullptr);
ObjectKeeper keeper(obj);
ASSERT_NE(obj, nullptr);
EXPECT_EQ(proj_get_type(obj), PJ_TYPE_VERTICAL_CRS);
}
{
auto obj = proj_create_from_wkt(
m_ctxt, createVerticalCRS()
->datum()
->exportToWKT(WKTFormatter::create().get())
.c_str(),
nullptr, nullptr, nullptr);
ObjectKeeper keeper(obj);
ASSERT_NE(obj, nullptr);
EXPECT_EQ(proj_get_type(obj), PJ_TYPE_VERTICAL_REFERENCE_FRAME);
}
{
auto obj = proj_create_from_wkt(
m_ctxt, createProjectedCRS()
->derivingConversion()
->exportToWKT(WKTFormatter::create().get())
.c_str(),
nullptr, nullptr, nullptr);
ObjectKeeper keeper(obj);
ASSERT_NE(obj, nullptr);
EXPECT_EQ(proj_get_type(obj), PJ_TYPE_CONVERSION);
}
{
auto obj = proj_create_from_wkt(
m_ctxt,
createBoundCRS()->exportToWKT(WKTFormatter::create().get()).c_str(),
nullptr, nullptr, nullptr);
ObjectKeeper keeper(obj);
ASSERT_NE(obj, nullptr);
EXPECT_EQ(proj_get_type(obj), PJ_TYPE_BOUND_CRS);
}
{
auto obj = proj_create_from_wkt(
m_ctxt, createBoundCRS()
->transformation()
->exportToWKT(WKTFormatter::create().get())
.c_str(),
nullptr, nullptr, nullptr);
ObjectKeeper keeper(obj);
ASSERT_NE(obj, nullptr);
EXPECT_EQ(proj_get_type(obj), PJ_TYPE_TRANSFORMATION);
}
{
auto obj = proj_create_from_wkt(m_ctxt, "AUTHORITY[\"EPSG\", 4326]",
nullptr, nullptr, nullptr);
ObjectKeeper keeper(obj);
ASSERT_EQ(obj, nullptr);
}
}
// ---------------------------------------------------------------------------
TEST_F(CApi, proj_create_from_database) {
{
auto crs = proj_create_from_database(m_ctxt, "EPSG", "-1",
PJ_CATEGORY_CRS, false, nullptr);
ASSERT_EQ(crs, nullptr);
}
{
auto crs = proj_create_from_database(m_ctxt, "EPSG", "4326",
PJ_CATEGORY_CRS, false, nullptr);
ASSERT_NE(crs, nullptr);
ObjectKeeper keeper(crs);
EXPECT_TRUE(proj_is_crs(crs));
EXPECT_FALSE(proj_is_deprecated(crs));
EXPECT_EQ(proj_get_type(crs), PJ_TYPE_GEOGRAPHIC_2D_CRS);
const char *code = proj_get_id_code(crs, 0);
ASSERT_NE(code, nullptr);
EXPECT_EQ(std::string(code), "4326");
}
{
auto crs = proj_create_from_database(m_ctxt, "EPSG", "6871",
PJ_CATEGORY_CRS, false, nullptr);
ASSERT_NE(crs, nullptr);
ObjectKeeper keeper(crs);
EXPECT_TRUE(proj_is_crs(crs));
EXPECT_EQ(proj_get_type(crs), PJ_TYPE_COMPOUND_CRS);
}
{
auto ellipsoid = proj_create_from_database(
m_ctxt, "EPSG", "7030", PJ_CATEGORY_ELLIPSOID, false, nullptr);
ASSERT_NE(ellipsoid, nullptr);
ObjectKeeper keeper(ellipsoid);
EXPECT_EQ(proj_get_type(ellipsoid), PJ_TYPE_ELLIPSOID);
}
{
auto pm = proj_create_from_database(
m_ctxt, "EPSG", "8903", PJ_CATEGORY_PRIME_MERIDIAN, false, nullptr);
ASSERT_NE(pm, nullptr);
ObjectKeeper keeper(pm);
EXPECT_EQ(proj_get_type(pm), PJ_TYPE_PRIME_MERIDIAN);
}
{
auto datum = proj_create_from_database(
m_ctxt, "EPSG", "6326", PJ_CATEGORY_DATUM, false, nullptr);
ASSERT_NE(datum, nullptr);
ObjectKeeper keeper(datum);
EXPECT_EQ(proj_get_type(datum), PJ_TYPE_GEODETIC_REFERENCE_FRAME);
}
{
auto op = proj_create_from_database(m_ctxt, "EPSG", "16031",
PJ_CATEGORY_COORDINATE_OPERATION,
false, nullptr);
ASSERT_NE(op, nullptr);
ObjectKeeper keeper(op);
EXPECT_EQ(proj_get_type(op), PJ_TYPE_CONVERSION);
auto info = proj_pj_info(op);
EXPECT_NE(info.id, nullptr);
EXPECT_EQ(info.id, std::string("utm"));
ASSERT_NE(info.description, nullptr);
EXPECT_EQ(info.description, std::string("UTM zone 31N"));
ASSERT_NE(info.definition, nullptr);
EXPECT_EQ(info.definition, std::string("proj=utm zone=31 ellps=GRS80"));
EXPECT_EQ(info.accuracy, 0);
}
{
auto op = proj_create_from_database(m_ctxt, "EPSG", "1024",
PJ_CATEGORY_COORDINATE_OPERATION,
false, nullptr);
ASSERT_NE(op, nullptr);
ObjectKeeper keeper(op);
EXPECT_EQ(proj_get_type(op), PJ_TYPE_TRANSFORMATION);
auto info = proj_pj_info(op);
EXPECT_NE(info.id, nullptr);
EXPECT_EQ(info.id, std::string("pipeline"));
ASSERT_NE(info.description, nullptr);
EXPECT_EQ(info.description, std::string("MGI to ETRS89 (4)"));
ASSERT_NE(info.definition, nullptr);
EXPECT_EQ(
info.definition,
std::string("proj=pipeline step proj=axisswap "
"order=2,1 step proj=unitconvert xy_in=deg xy_out=rad "
"step proj=push v_3 "
"step proj=cart ellps=bessel step proj=helmert "
"x=601.705 y=84.263 z=485.227 rx=-4.7354 ry=-1.3145 "
"rz=-5.393 s=-2.3887 convention=coordinate_frame "
"step inv proj=cart ellps=GRS80 "
"step proj=pop v_3 "
"step proj=unitconvert xy_in=rad xy_out=deg "
"step proj=axisswap order=2,1"));
EXPECT_EQ(info.accuracy, 1);
}
}
// ---------------------------------------------------------------------------
TEST_F(CApi, proj_crs) {
auto crs = proj_create_from_wkt(
m_ctxt,
createProjectedCRS()
->exportToWKT(
WKTFormatter::create(WKTFormatter::Convention::WKT1_GDAL).get())
.c_str(),
nullptr, nullptr, nullptr);
ASSERT_NE(crs, nullptr);
ObjectKeeper keeper(crs);
EXPECT_TRUE(proj_is_crs(crs));
auto geodCRS = proj_crs_get_geodetic_crs(m_ctxt, crs);
ASSERT_NE(geodCRS, nullptr);
ObjectKeeper keeper_geogCRS(geodCRS);
EXPECT_TRUE(proj_is_crs(geodCRS));
auto geogCRS_name = proj_get_name(geodCRS);
ASSERT_TRUE(geogCRS_name != nullptr);
EXPECT_EQ(geogCRS_name, std::string("WGS 84"));
auto h_datum = proj_crs_get_horizontal_datum(m_ctxt, crs);
ASSERT_NE(h_datum, nullptr);
ObjectKeeper keeper_h_datum(h_datum);
auto datum = proj_crs_get_datum(m_ctxt, crs);
ASSERT_NE(datum, nullptr);
ObjectKeeper keeper_datum(datum);
EXPECT_TRUE(proj_is_equivalent_to(h_datum, datum, PJ_COMP_STRICT));
auto datum_name = proj_get_name(datum);
ASSERT_TRUE(datum_name != nullptr);
EXPECT_EQ(datum_name, std::string("World Geodetic System 1984"));
auto ellipsoid = proj_get_ellipsoid(m_ctxt, crs);
ASSERT_NE(ellipsoid, nullptr);
ObjectKeeper keeper_ellipsoid(ellipsoid);
auto ellipsoid_name = proj_get_name(ellipsoid);
ASSERT_TRUE(ellipsoid_name != nullptr);
EXPECT_EQ(ellipsoid_name, std::string("WGS 84"));
auto ellipsoid_from_datum = proj_get_ellipsoid(m_ctxt, datum);
ASSERT_NE(ellipsoid_from_datum, nullptr);
ObjectKeeper keeper_ellipsoid_from_datum(ellipsoid_from_datum);
EXPECT_EQ(proj_get_ellipsoid(m_ctxt, ellipsoid), nullptr);
EXPECT_FALSE(proj_is_crs(ellipsoid));
double a;
double b;
int b_is_computed;
double rf;
EXPECT_TRUE(proj_ellipsoid_get_parameters(m_ctxt, ellipsoid, nullptr,
nullptr, nullptr, nullptr));
EXPECT_TRUE(proj_ellipsoid_get_parameters(m_ctxt, ellipsoid, &a, &b,
&b_is_computed, &rf));
EXPECT_FALSE(proj_ellipsoid_get_parameters(m_ctxt, crs, &a, &b,
&b_is_computed, &rf));
EXPECT_EQ(a, 6378137);
EXPECT_NEAR(b, 6356752.31424518, 1e-9);
EXPECT_EQ(b_is_computed, 1);
EXPECT_EQ(rf, 298.257223563);
auto id = proj_get_id_code(ellipsoid, 0);
ASSERT_TRUE(id != nullptr);
EXPECT_EQ(id, std::string("7030"));
}
// ---------------------------------------------------------------------------
TEST_F(CApi, proj_get_prime_meridian) {
auto crs = proj_create_from_wkt(
m_ctxt,
createProjectedCRS()
->exportToWKT(
WKTFormatter::create(WKTFormatter::Convention::WKT1_GDAL).get())
.c_str(),
nullptr, nullptr, nullptr);
ASSERT_NE(crs, nullptr);
ObjectKeeper keeper(crs);
auto pm = proj_get_prime_meridian(m_ctxt, crs);
ASSERT_NE(pm, nullptr);
ObjectKeeper keeper_pm(pm);
auto pm_name = proj_get_name(pm);
ASSERT_TRUE(pm_name != nullptr);
EXPECT_EQ(pm_name, std::string("Greenwich"));
EXPECT_EQ(proj_get_prime_meridian(m_ctxt, pm), nullptr);
EXPECT_TRUE(proj_prime_meridian_get_parameters(m_ctxt, pm, nullptr, nullptr,
nullptr));
double longitude = -1;
double longitude_unit = 0;
const char *longitude_unit_name = nullptr;
EXPECT_TRUE(proj_prime_meridian_get_parameters(
m_ctxt, pm, &longitude, &longitude_unit, &longitude_unit_name));
EXPECT_EQ(longitude, 0);
EXPECT_NEAR(longitude_unit, UnitOfMeasure::DEGREE.conversionToSI(), 1e-10);
ASSERT_TRUE(longitude_unit_name != nullptr);
EXPECT_EQ(longitude_unit_name, std::string("degree"));
auto datum = proj_crs_get_horizontal_datum(m_ctxt, crs);
ASSERT_NE(datum, nullptr);
ObjectKeeper keeper_datum(datum);
auto pm_from_datum = proj_get_prime_meridian(m_ctxt, datum);
ASSERT_NE(pm_from_datum, nullptr);
ObjectKeeper keeper_pm_from_datum(pm_from_datum);
}
// ---------------------------------------------------------------------------
TEST_F(CApi, proj_crs_compound) {
auto crs = proj_create_from_wkt(
m_ctxt,
createCompoundCRS()->exportToWKT(WKTFormatter::create().get()).c_str(),
nullptr, nullptr, nullptr);
ASSERT_NE(crs, nullptr);
ObjectKeeper keeper(crs);
EXPECT_EQ(proj_get_type(crs), PJ_TYPE_COMPOUND_CRS);
EXPECT_EQ(proj_crs_get_sub_crs(m_ctxt, crs, -1), nullptr);
EXPECT_EQ(proj_crs_get_sub_crs(m_ctxt, crs, 2), nullptr);
auto subcrs_horiz = proj_crs_get_sub_crs(m_ctxt, crs, 0);
ASSERT_NE(subcrs_horiz, nullptr);
ObjectKeeper keeper_subcrs_horiz(subcrs_horiz);
EXPECT_EQ(proj_get_type(subcrs_horiz), PJ_TYPE_PROJECTED_CRS);
EXPECT_EQ(proj_crs_get_sub_crs(m_ctxt, subcrs_horiz, 0), nullptr);
auto subcrs_vertical = proj_crs_get_sub_crs(m_ctxt, crs, 1);
ASSERT_NE(subcrs_vertical, nullptr);
ObjectKeeper keeper_subcrs_vertical(subcrs_vertical);
EXPECT_EQ(proj_get_type(subcrs_vertical), PJ_TYPE_VERTICAL_CRS);
}
// ---------------------------------------------------------------------------
TEST_F(CApi, proj_get_source_target_crs_bound_crs) {