test_ssol_solver8.c (6936B)
1 /* Copyright (C) 2018-2026 |Meso|Star> (contact@meso-star.com) 2 * Copyright (C) 2016, 2018 CNRS 3 * 4 * This program is free software: you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation, either version 3 of the License, or 7 * (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program. If not, see <http://www.gnu.org/licenses/>. */ 16 17 #include "ssol.h" 18 #include "test_ssol_utils.h" 19 #include "test_ssol_materials.h" 20 21 #define PLANE_NAME TARGET 22 #define HALF_X 10 23 #define HALF_Y 10 24 #include "test_ssol_rect_geometry.h" 25 26 #define X_SZ 10 27 #define Y_SZ 4 28 #define POLYGON_NAME POLY 29 #define HALF_X (X_SZ / 2) 30 STATIC_ASSERT((HALF_X * 2 == X_SZ), ONLY_ENVEN_VALUES_FOR_X_SZ); 31 #define Y_MIN 0 32 #define Y_MAX Y_SZ 33 #include "test_ssol_rect2D_geometry.h" 34 35 #include <rsys/double33.h> 36 37 #include <star/s3d.h> 38 #include <star/ssp.h> 39 40 static void 41 get_wlen(const size_t i, double* wlen, double* data, void* ctx) 42 { 43 double wavelengths[3] = { 1, 2, 3 }; 44 double intensities[3] = { 1, 0.8, 1 }; 45 CHK(i < 3); 46 (void) ctx; 47 *wlen = wavelengths[i]; 48 *data = intensities[i]; 49 } 50 51 int 52 main(int argc, char** argv) 53 { 54 struct mem_allocator allocator; 55 struct ssol_device* dev; 56 struct ssp_rng* rng; 57 struct ssol_scene* scene; 58 struct ssol_shape* square; 59 struct ssol_vertex_data attribs[1] = { SSOL_VERTEX_DATA_NULL__ }; 60 struct ssol_shape* quad_square; 61 struct ssol_carving carving = SSOL_CARVING_NULL; 62 struct ssol_quadric quadric = SSOL_QUADRIC_DEFAULT; 63 struct ssol_punched_surface punched = SSOL_PUNCHED_SURFACE_NULL; 64 struct ssol_material* m_mtl; 65 struct ssol_material* v_mtl; 66 struct ssol_mirror_shader shader = SSOL_MIRROR_SHADER_NULL; 67 struct ssol_object* m_object; 68 struct ssol_object* t_object; 69 struct ssol_instance* heliostat; 70 struct ssol_instance* target; 71 struct ssol_sun* sun; 72 struct ssol_spectrum* spectrum; 73 struct ssol_estimator* estimator; 74 struct ssol_mc_global mc_global; 75 struct ssol_mc_receiver mc_rcv; 76 double dir[3]; 77 double transform[12]; /* 3x4 column major matrix */ 78 size_t count; 79 80 (void) argc, (void) argv; 81 d3_splat(transform + 9, 0); 82 d33_rotation_pitch(transform, PI); /* flip faces: invert normal */ 83 transform[11] = 4; /* set it just above the parabolic cylinder */ 84 85 mem_init_proxy_allocator(&allocator, &mem_default_allocator); 86 87 CHK(ssol_device_create 88 (NULL, &allocator, SSOL_NTHREADS_DEFAULT, 0, &dev) == RES_OK); 89 90 #define DNI 1000 91 CHK(ssp_rng_create(&allocator, SSP_RNG_THREEFRY, &rng) == RES_OK); 92 CHK(ssol_spectrum_create(dev, &spectrum) == RES_OK); 93 CHK(ssol_spectrum_setup(spectrum, get_wlen, 3, NULL) == RES_OK); 94 CHK(ssol_sun_create_directional(dev, &sun) == RES_OK); 95 CHK(ssol_sun_set_direction(sun, d3(dir, 0, 1, -1)) == RES_OK); 96 CHK(ssol_sun_set_spectrum(sun, spectrum) == RES_OK); 97 CHK(ssol_sun_set_dni(sun, DNI) == RES_OK); 98 CHK(ssol_scene_create(dev, &scene) == RES_OK); 99 CHK(ssol_scene_attach_sun(scene, sun) == RES_OK); 100 101 /* Create scene content */ 102 103 CHK(ssol_shape_create_mesh(dev, &square) == RES_OK); 104 attribs[0].usage = SSOL_POSITION; 105 attribs[0].get = get_position; 106 CHK(ssol_mesh_setup(square, TARGET_NTRIS__, get_ids, 107 TARGET_NVERTS__, attribs, 1, (void*) &TARGET_DESC__) == RES_OK); 108 109 CHK(ssol_shape_create_punched_surface(dev, &quad_square) == RES_OK); 110 carving.get = get_polygon_vertices; 111 carving.operation = SSOL_AND; 112 carving.nb_vertices = POLY_NVERTS__; 113 carving.context = &POLY_EDGES__; 114 quadric.type = SSOL_QUADRIC_PARABOLIC_CYLINDER; 115 quadric.data.parabolic_cylinder.focal = 1; 116 punched.nb_carvings = 1; 117 punched.quadric = &quadric; 118 punched.carvings = &carving; 119 CHK(ssol_punched_surface_setup(quad_square, &punched) == RES_OK); 120 121 CHK(ssol_material_create_mirror(dev, &m_mtl) == RES_OK); 122 shader.normal = get_shader_normal; 123 shader.reflectivity = get_shader_reflectivity; 124 shader.roughness = get_shader_roughness; 125 CHK(ssol_mirror_setup(m_mtl, &shader, SSOL_MICROFACET_BECKMANN) == RES_OK); 126 CHK(ssol_material_create_virtual(dev, &v_mtl) == RES_OK); 127 128 CHK(ssol_object_create(dev, &m_object) == RES_OK); 129 CHK(ssol_object_add_shaded_shape(m_object, quad_square, m_mtl, m_mtl) == RES_OK); 130 CHK(ssol_object_instantiate(m_object, &heliostat) == RES_OK); 131 CHK(ssol_scene_attach_instance(scene, heliostat) == RES_OK); 132 133 CHK(ssol_object_create(dev, &t_object) == RES_OK); 134 CHK(ssol_object_add_shaded_shape(t_object, square, v_mtl, v_mtl) == RES_OK); 135 CHK(ssol_object_instantiate(t_object, &target) == RES_OK); 136 CHK(ssol_instance_set_transform(target, transform) == RES_OK); 137 CHK(ssol_instance_set_receiver(target, SSOL_FRONT, 0) == RES_OK); 138 CHK(ssol_instance_sample(target, 0) == RES_OK); 139 CHK(ssol_scene_attach_instance(scene, target) == RES_OK); 140 141 #define N__ 100000 142 #define GET_MC_RCV ssol_estimator_get_mc_receiver 143 CHK(ssol_solve(scene, rng, N__, 0, NULL, &estimator) == RES_OK); 144 CHK(ssol_estimator_get_realisation_count(estimator, &count) == RES_OK); 145 CHK(count == N__); 146 CHK(ssol_estimator_get_failed_count(estimator, &count) == RES_OK); 147 CHK(count == 0); 148 #define S (sqrt(2) * X_SZ * Y_SZ) 149 CHK(ssol_estimator_get_mc_global(estimator, &mc_global) == RES_OK); 150 printf("Cos = %g +/- %g\n", mc_global.cos_factor.E, mc_global.cos_factor.SE); 151 printf("Shadows = %g +/- %g\n", mc_global.shadowed.E, mc_global.shadowed.SE); 152 printf("Missing = %g +/- %g\n", mc_global.missing.E, mc_global.missing.SE); 153 CHK(eq_eps(mc_global.shadowed.E, 0, 1e-4) == 1); 154 CHK(eq_eps(mc_global.missing.E, S * DNI, 155 3 * mc_global.missing.SE)); /* nothing absorbed */ 156 CHK(GET_MC_RCV(estimator, target, SSOL_FRONT, &mc_rcv) == RES_OK); 157 printf("Ir(target1) = %g +/- %g\n", 158 mc_rcv.incoming_flux.E, mc_rcv.incoming_flux.SE); 159 CHK(eq_eps(mc_rcv.incoming_flux.E, S * DNI, 160 2 * mc_rcv.incoming_flux.SE)); 161 162 /* Free data */ 163 CHK(ssol_instance_ref_put(heliostat) == RES_OK); 164 CHK(ssol_instance_ref_put(target) == RES_OK); 165 CHK(ssol_object_ref_put(m_object) == RES_OK); 166 CHK(ssol_object_ref_put(t_object) == RES_OK); 167 CHK(ssol_shape_ref_put(square) == RES_OK); 168 CHK(ssol_shape_ref_put(quad_square) == RES_OK); 169 CHK(ssol_material_ref_put(m_mtl) == RES_OK); 170 CHK(ssol_material_ref_put(v_mtl) == RES_OK); 171 CHK(ssol_estimator_ref_put(estimator) == RES_OK); 172 CHK(ssol_device_ref_put(dev) == RES_OK); 173 CHK(ssol_scene_ref_put(scene) == RES_OK); 174 CHK(ssp_rng_ref_put(rng) == RES_OK); 175 CHK(ssol_spectrum_ref_put(spectrum) == RES_OK); 176 CHK(ssol_sun_ref_put(sun) == RES_OK); 177 178 check_memory_allocator(&allocator); 179 mem_shutdown_proxy_allocator(&allocator); 180 CHK(mem_allocated_size() == 0); 181 182 return 0; 183 }