} END_TEST
#pragma mark -
#pragma mark test_shape_impl_geometry_lat_range_gc_seg
START_TEST (test_shape_impl_geometry_lat_range_gc_seg) {
// arbitrary course northern hemisphere
int i = 1;
// New York to Berlin
atlas_shp_coordinate_t c11 = {-73.7789, 40.6397};
atlas_shp_coordinate_t c12 = { 13.2833, 52.5667};
double result_min_1, result_max_1;
int latr_1 = atlas_lat_range_gc_seg(&result_min_1, &result_max_1,
&c11, &c12);
//printf("TEST lat_range_gc_seg %i: min-lat = %f \n", i, result_min_1);
//printf("TEST lat_range_gc_seg %i: max-lat = %f \n", i, result_max_1);
fail_unless(40 < result_min_1 < 41);
fail_unless(56 < result_max_1 < 57);
// arbitrary course southern hemisphere
i++;
atlas_shp_coordinate_t c21 = { 110, -40};
atlas_shp_coordinate_t c22 = {-150, -50};
double result_min_2, result_max_2;
int latr_2 = atlas_lat_range_gc_seg(&result_min_2, &result_max_2,
&c21, &c22);
//printf("TEST lat_range_gc_seg %i: min-lat = %f \n", i, result_min_2);
//printf("TEST lat_range_gc_seg %i: max-lat = %f \n", i, result_max_2);
fail_unless(-57.9 > result_min_2 > -58.1);
fail_unless(abs_value_check(result_max_2, -40.0, 0.1));
// northern hemisphere, one points south, the other one north
i++;
atlas_shp_coordinate_t c31 = {-10, 50};
atlas_shp_coordinate_t c32 = { 30, 30};
double result_min_3, result_max_3;
int latr_3 = atlas_lat_range_gc_seg(&result_min_3, &result_max_3,
&c31, &c32);
//printf("TEST lat_range_gc_seg %i: min-lat = %f \n", i, result_min_3);
//printf("TEST lat_range_gc_seg %i: max-lat = %f \n", i, result_max_3);
fail_unless(abs_value_check(result_max_3, 50.0, 0.1));
fail_unless(abs_value_check(result_min_3, 30.0, 0.1));
// northern hemisphere, one points south, the other one north
i++;
atlas_shp_coordinate_t c41 = {-10, -50};
atlas_shp_coordinate_t c42 = {-30, -30};
double result_min_4, result_max_4;
int latr_4 = atlas_lat_range_gc_seg(&result_min_4, &result_max_4,
&c41, &c42);
//printf("TEST lat_range_gc_seg %i: min-lat = %f \n", i, result_min_4);
//printf("TEST lat_range_gc_seg %i: max-lat = %f \n", i, result_max_4);
fail_unless(abs_value_check(result_max_4, -30.0, 0.1));
fail_unless(abs_value_check(result_min_4, -50.0, 0.1));
// meridian not crossing pole
i++;
atlas_shp_coordinate_t c51 = {10, 80};
atlas_shp_coordinate_t c52 = {10, -70};
double result_min_5, result_max_5;
int latr_5 = atlas_lat_range_gc_seg(&result_min_5, &result_max_5,
&c51, &c52);
//printf("TEST lat_range_gc_seg %i: min-lat = %f \n", i, result_min_5);
//printf("TEST lat_range_gc_seg %i: max-lat = %f \n", i, result_max_5);
fail_unless(abs_value_check(result_max_5, 80.0, 0.1));
fail_unless(abs_value_check(result_min_5, -70.0, 0.1));
// meridian crossing north pole
i++;
atlas_shp_coordinate_t c61 = {-170, 80};
atlas_shp_coordinate_t c62 = { 10, 60};
double result_min_6, result_max_6;
int latr_6 = atlas_lat_range_gc_seg(&result_min_6, &result_max_6,
&c61, &c62);
//printf("TEST lat_range_gc_seg %i: min-lat = %f \n", i, result_min_6);
//printf("TEST lat_range_gc_seg %i: max-lat = %f \n", i, result_max_6);
fail_unless(abs_value_check(result_max_6, 90.0, 0.1));
fail_unless(abs_value_check(result_min_6, 60.0, 0.1));
// meridian crossing south pole
i++;
atlas_shp_coordinate_t c71 = {-110, -80};
atlas_shp_coordinate_t c72 = { 70, -60};
double result_min_7, result_max_7;
int latr_7 = atlas_lat_range_gc_seg(&result_min_7, &result_max_7,
&c71, &c72);
//printf("TEST lat_range_gc_seg %i: min-lat = %f \n", i, result_min_7);
//printf("TEST lat_range_gc_seg %i: max-lat = %f \n", i, result_max_7);
fail_unless(abs_value_check(result_max_7, -60.0, 0.1));
fail_unless(abs_value_check(result_min_7, -90.0, 0.1));
// BES-NOU (Brest, F - Nouméa, NC), both point north, different hemispheres
i++;
atlas_shp_coordinate_t c81 = { -4, 48};
atlas_shp_coordinate_t c82 = {166, -22};
double result_min_8, result_max_8;
int latr_8 = atlas_lat_range_gc_seg(&result_min_8, &result_max_8,
&c81, &c82);
//printf("TEST lat_range_gc_seg %i: min-lat = %f \n", i, result_min_8);
//printf("TEST lat_range_gc_seg %i: max-lat = %f \n", i, result_max_8);
fail_unless(76.3 < result_max_8 && result_max_8 < 76.4);
fail_unless(abs_value_check(result_min_8, -22.0, 0.1));
// both antipodal
i++;
atlas_shp_coordinate_t c91 = {-80, -10};
atlas_shp_coordinate_t c92 = {100, 10};
double result_min_9, result_max_9;
int latr_9 = atlas_lat_range_gc_seg(&result_min_9, &result_max_9,
&c91, &c92);
//printf("TEST lat_range_gc_seg %i: min-lat = %f \n", i, result_min_9);
//printf("TEST lat_range_gc_seg %i: max-lat = %f \n", i, result_max_9);
fail_unless(abs_value_check(result_min_9, -10.0, 0.1));
fail_unless(abs_value_check(result_max_9, 10.0, 0.1));
} END_TEST
} END_TEST
START_TEST (test_shape_impl_gc_intersection) {
// first great circle is the equator
atlas_shp_coordinate_t c_gc_111 = {20.0, 0.0};
atlas_shp_coordinate_t c_gc_112 = {60.0, 0.0};
// second great circle is the 10°/-170° longitude
atlas_shp_coordinate_t c_gc_121 = {10.0, 10.0};
atlas_shp_coordinate_t c_gc_122 = {10.0, 50.0};
atlas_shp_coordinate_t result11;
atlas_shp_coordinate_t result12;
int result1 = atlas_shape_gc_intersection(&result11, &result12, &c_gc_111, &c_gc_112, &c_gc_121, &c_gc_122);
fail_unless(result1 == 0);
//printf("GCI (intersect1): lat=%f lon=%f\n", result11.latitude, result11.longitude);
//printf("GCI (intersect2): lat=%f lon=%f\n", result12.latitude, result12.longitude);
fail_if( abs_value_check(result11.latitude, 0.0, 1.0E-10) == 0 );
fail_if( abs_value_check(result11.longitude, 10.0, 1.0E-10) == 0 );
fail_if( abs_value_check(result12.latitude, 0.0, 1.0E-10) == 0 );
fail_if( abs_value_check(result12.longitude, -170.0, 1.0E-10) == 0 );
// KSEA
atlas_shp_coordinate_t c_gc_211 = {-122.309306, 47.449};
// LOWW
atlas_shp_coordinate_t c_gc_212 = {16.569722, 48.110278};
// KJFK
atlas_shp_coordinate_t c_gc_221 = {-73.778925, 40.63975};
// EFHK
atlas_shp_coordinate_t c_gc_222 = {24.963333, 60.317222};
atlas_shp_coordinate_t result21;
atlas_shp_coordinate_t result22;
int result2 = atlas_shape_gc_intersection(&result21, &result22, &c_gc_211, &c_gc_212, &c_gc_221, &c_gc_222);
fail_unless(result2 == 0);
//printf("GCI (intersect1): lat=%f lon=%f\n", result21.latitude, result21.longitude);
//printf("GCI (intersect2): lat=%f lon=%f\n", result22.latitude, result22.longitude);
fail_if( abs_value_check(result21.latitude, 64.0, 1.0) == 0 );
fail_if( abs_value_check(result21.longitude, -4.0, 1.0) == 0 );
fail_if( abs_value_check(result22.latitude, -64.0, 1.0) == 0 );
fail_if( abs_value_check(result22.longitude, 176.0, 1.0) == 0 );
// meridian 1
atlas_shp_coordinate_t c_gc_311 = {20.0, 90.0};
atlas_shp_coordinate_t c_gc_312 = {20.0, 20.0};
// meridian 2
atlas_shp_coordinate_t c_gc_321 = {-60.0, 70.0};
atlas_shp_coordinate_t c_gc_322 = {-60.0, 50.0};
atlas_shp_coordinate_t result31;
atlas_shp_coordinate_t result32;
int result3 = atlas_shape_gc_intersection(&result31, &result32, &c_gc_311, &c_gc_312, &c_gc_321, &c_gc_322);
fail_unless(result3 == 0);
//printf("GCI (intersect1): lat=%f lon=%f\n", result31.latitude, result31.longitude);
//printf("GCI (intersect2): lat=%f lon=%f\n", result32.latitude, result32.longitude);
fail_if( abs_value_check(result31.latitude, 90.0, 1.0E-10) == 0 );
fail_if( abs_value_check(result31.longitude, 0.0, 1.0E-10) == 0 );
fail_if( abs_value_check(result32.latitude, -90.0, 1.0E-10) == 0 );
fail_if( abs_value_check(result32.longitude, 0.0, 1.0E-10) == 0 );
//printf("Equal GC\n");
atlas_shp_coordinate_t c_gc_411 = {5.0, 89.0};
atlas_shp_coordinate_t c_gc_412 = {10.0, -89.0};
atlas_shp_coordinate_t c_gc_421 = {-175.0, -89.0};
atlas_shp_coordinate_t c_gc_422 = {-170.0, 89.0};
atlas_shp_coordinate_t result41;
atlas_shp_coordinate_t result42;
int result4 = atlas_shape_gc_intersection(&result41, &result42, &c_gc_411, &c_gc_412, &c_gc_421, &c_gc_422);
fail_unless( result4 == 1 );
//printf("GCI (intersect1): lat=%f lon=%f\n", result41.latitude, result41.longitude);
//printf("GCI (intersect2): lat=%f lon=%f\n", result42.latitude, result42.longitude);
} END_TEST
} END_TEST
#pragma mark -
#pragma mark test_shape_impl_geometry_initial_course
START_TEST (test_shape_impl_geometry_initial_course) {
// arbitrary course northern hemisphere
int i = 1;
atlas_shp_coordinate_t c11 = {-73.7789, 40.6397};
atlas_shp_coordinate_t c12 = { 13.2833, 52.5667};
double hdg11, hdg12;
atlas_gc_initial_course(&hdg11, &c11, &c12);
//printf("TEST initial_course %i: course1 = %f \n", i, hdg11);
atlas_gc_initial_course(&hdg12, &c12, &c11);
//printf("TEST initial_course %i: course2 = %f \n", i, hdg12);
fail_unless(hdg11 > 46 && hdg11 < 47);
fail_unless(hdg12 > 295 && hdg12 < 296);
// arbitrary course southern hemisphere
i++;
atlas_shp_coordinate_t c21 = {-120, -40};
atlas_shp_coordinate_t c22 = { 15, -60};
double hdg21, hdg22;
atlas_gc_initial_course(&hdg21, &c21, &c22);
//printf("TEST initial_course %i: course1 = %f \n", i, hdg21);
atlas_gc_initial_course(&hdg22, &c22, &c21);
//printf("TEST initial_course %i: course2 = %f \n", i, hdg22);
fail_unless(hdg21 > 158 && hdg21 < 159);
fail_unless(hdg22 > 214 && hdg22 < 215);
// course along meridian
i++;
atlas_shp_coordinate_t c31 = {15, 50};
atlas_shp_coordinate_t c32 = {15, -20};
double hdg31, hdg32;
atlas_gc_initial_course(&hdg31, &c31, &c32);
//printf("TEST initial_course %i: course1 = %f \n", i, hdg31);
atlas_gc_initial_course(&hdg32, &c32, &c31);
//printf("TEST initial_course %i: course2 = %f \n", i, hdg32);
fail_unless(abs_value_check(hdg31, 180.0, 0.1) == 1);
fail_unless(abs_value_check(hdg32, 0.0, 0.1) == 1);
// course over pole
i++;
atlas_shp_coordinate_t c41 = {-80, -70};
atlas_shp_coordinate_t c42 = {100, -75};
double hdg41, hdg42;
atlas_gc_initial_course(&hdg41, &c41, &c42);
//printf("TEST initial_course %i: course1 = %f \n", i, hdg41);
atlas_gc_initial_course(&hdg42, &c42, &c41);
//printf("TEST initial_course %i: course2 = %f \n", i, hdg42);
fail_unless(abs_value_check(hdg41, 180.0, 0.1) == 1);
fail_unless(abs_value_check(hdg42, 180.0, 0.1) == 1);
// course southern hemisphere across dateline
i++;
atlas_shp_coordinate_t c51 = { 110, -40};
atlas_shp_coordinate_t c52 = {-150, -50};
double hdg51, hdg52;
atlas_gc_initial_course(&hdg51, &c51, &c52);
//printf("TEST initial_course %i: course1 = %f \n", i, hdg51);
atlas_gc_initial_course(&hdg52, &c52, &c51);
//printf("TEST initial_course %i: course2 = %f \n", i, hdg52);
fail_unless(hdg51 > 136 && hdg51 < 137);
fail_unless(hdg52 > 235 && hdg52 < 236);
// point only
i++;
atlas_shp_coordinate_t c61 = {0, 0};
atlas_shp_coordinate_t c62 = {0, 0};
;
double hdg61, hdg62;
atlas_gc_initial_course(&hdg61, &c61, &c62);
//printf("TEST initial_course %i: course1 = %f \n", i, hdg61);
atlas_gc_initial_course(&hdg52, &c62, &c61);
//printf("TEST initial_course %i: course2 = %f \n", i, hdg62);
} END_TEST