From ed462b39fb7d9b92a75a069da707f2b7921b2820 Mon Sep 17 00:00:00 2001 From: Even Rouault Date: Mon, 21 Jan 2019 19:31:02 +0100 Subject: proj_create_crs_to_crs(): defer selection of actual coordinate operation until proj_trans() is called (fixes #1229) --- test/unit/gie_self_tests.cpp | 53 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) (limited to 'test/unit') diff --git a/test/unit/gie_self_tests.cpp b/test/unit/gie_self_tests.cpp index 1b5ce83b..2d298ea3 100644 --- a/test/unit/gie_self_tests.cpp +++ b/test/unit/gie_self_tests.cpp @@ -659,4 +659,57 @@ TEST(gie, horner_selftest) { proj_destroy(P); } +// --------------------------------------------------------------------------- + +TEST(gie, proj_create_crs_to_crs_PULKOVO42_ETRS89) { + auto P = proj_create_crs_to_crs(PJ_DEFAULT_CTX, "EPSG:4179", "EPSG:4258", + nullptr); + ASSERT_TRUE(P != nullptr); + PJ_COORD c; + + EXPECT_EQ(std::string(proj_pj_info(P).definition), + "unavailable until proj_trans is called"); + EXPECT_EQ(proj_get_name(P), nullptr); + EXPECT_EQ(P->fwd, nullptr); + EXPECT_EQ(P->fwd3d, nullptr); + EXPECT_EQ(P->fwd4d, nullptr); + + // Romania + c.xyz.x = 45; // Lat + c.xyz.y = 25; // Long + c.xyz.z = 0; + c = proj_trans(P, PJ_FWD, c); + EXPECT_NEAR(c.xy.x, 44.999701238, 1e-9); + EXPECT_NEAR(c.xy.y, 24.998474948, 1e-9); + EXPECT_EQ(std::string(proj_pj_info(P).definition), + "proj=pipeline step proj=axisswap order=2,1 step " + "proj=unitconvert xy_in=deg xy_out=rad step proj=cart " + "ellps=krass step proj=helmert x=2.3287 y=-147.0425 z=-92.0802 " + "rx=0.3092483 ry=-0.32482185 rz=-0.49729934 s=5.68906266 " + "convention=coordinate_frame step inv proj=cart ellps=GRS80 step " + "proj=unitconvert xy_in=rad xy_out=deg step proj=axisswap " + "order=2,1"); + + c = proj_trans(P, PJ_INV, c); + EXPECT_NEAR(c.xy.x, 45, 1e-9); + EXPECT_NEAR(c.xy.y, 25, 1e-9); + + // Poland + c.xyz.x = 52; // Lat + c.xyz.y = 20; // Long + c.xyz.z = 0; + c = proj_trans(P, PJ_FWD, c); + EXPECT_NEAR(c.xy.x, 51.999714150, 1e-9); + EXPECT_NEAR(c.xy.y, 19.998187811, 1e-9); + EXPECT_EQ(std::string(proj_pj_info(P).definition), + "proj=pipeline step proj=axisswap order=2,1 step " + "proj=unitconvert xy_in=deg xy_out=rad step proj=cart " + "ellps=krass step proj=helmert x=33.4 y=-146.6 z=-76.3 rx=-0.359 " + "ry=-0.053 rz=0.844 s=-0.84 convention=position_vector step inv " + "proj=cart ellps=GRS80 step proj=unitconvert xy_in=rad " + "xy_out=deg step proj=axisswap order=2,1"); + + proj_destroy(P); +} + } // namespace -- cgit v1.2.3