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Functions | |
public double | fast_approx_sqrt (double y) |
public Real | fast_approx_distance_between_points (Point *p1, Point *p2) |
public int | clip_polygon_against_box (int n_points, Point points[], Real x_min, Real x_max, Real y_min, Real y_max, Real z_min, Real z_max, int n_output_points, Point output_points[]) |
public int | clip_polygon_against_plane (int n_points, Point points[], Real plane_constant, Vector *normal, Point output_points[]) |
public void | split_polygon_with_plane (int n_points, Point points[], Real plane_constant, Vector *normal, int *n_in, Point in_points[], int *n_out, Point out_points[]) |
public void | get_closest_point_on_line_segment (Point *point, Point *p1, Point *p2, Point *closest_point) |
public Real | get_distance_to_line_segment (Point *point, Point *p1, Point *p2, Real *alpha) |
public Real | get_point_object_distance_sq (Point *point, object_struct *object, int obj_index, Point *object_point) |
public Real | get_point_object_distance (Point *point, object_struct *object, int obj_index, Point *object_point) |
public Real | get_point_object_vertex_distance (Point *point, object_struct *object, int obj_index, int *object_vertex) |
public Real | find_closest_point_on_object (Point *point, object_struct *object, int *obj_index, Point *point_on_object) |
public Real | find_closest_vertex_on_object (Point *point, object_struct *object, int *vertex_on_object) |
public void | get_polygon_vertex_curvatures (polygons_struct *polygons, int n_neighbours[], int *neighbours[], Real smoothing_distance, Real low_threshold, Real curvatures[]) |
public void | flatten_around_vertex (Point *vertex, int n_neighbours, Point neighbours[], BOOLEAN closed_flag, Real x_flat[], Real y_flat[]) |
public void | flatten_around_vertex_to_sphere (Real radius, Point *vertex, int n_neighbours, Point neighbours[], Real x_sphere[], Real y_sphere[], Real z_sphere[]) |
public int | compute_distances_from_point (polygons_struct *polygons, int n_neighbours[], int *neighbours[], Point *point, int poly, Real max_distance, BOOLEAN distances_initialized, float distances[], int *list[]) |
Compute distance in mesh structure. | |
public void | find_polygon_normal_no_normalize (int n_points, Point points[], Real *nx, Real *ny, Real *nz) |
public void | find_polygon_normal (int n_points, Point points[], Vector *normal) |
public void | get_plane_through_points (int n_points, Point points[], Vector *normal, Real *plane_constant) |
public Real | distance_from_plane (Point *point, Vector *plane_normal, Real plane_constant) |
public Real | distance_from_line (Point *point, Point *end_point1, Point *end_point2) |
public BOOLEAN | line_segment_intersects_plane (Point *p1, Point *p2, Point *plane_origin, Vector *plane_normal, Point *intersection_point) |
public BOOLEAN | get_nearest_point_on_lines (Point *origin1, Vector *delta1, Point *origin2, Vector *delta2, Point *nearest_point) |
public BOOLEAN | clip_line_to_box (Point *origin, Vector *direction, Real x_min, Real x_max, Real y_min, Real y_max, Real z_min, Real z_max, Real *t_min, Real *t_max) |
public void | create_line_circle (Point *centre, int plane_axis, Real x_radius, Real y_radius, int n_points, lines_struct *lines) |
public void | get_polygon_interpolation_weights (Point *point, int n_points, Point points[], Real weights[]) |
public void | map_point_between_polygons (polygons_struct *p1, int poly_index, Point *p1_point, polygons_struct *p2, Point *p2_point) |
public Real | map_point_to_unit_sphere (polygons_struct *p, Point *point, polygons_struct *unit_sphere, Point *unit_sphere_point) |
public void | map_unit_sphere_to_point (polygons_struct *unit_sphere, Point *unit_sphere_point, polygons_struct *p, Point *point) |
public void | polygon_transform_points (polygons_struct *src_polygons, polygons_struct *dest_polygons, int n_points, Point src_points[], Point dest_points[]) |
public void | map_sphere_to_uv (Real x, Real y, Real z, Real *u, Real *v) |
public void | map_uv_to_sphere (Real u, Real v, Real *x, Real *y, Real *z) |
public void | find_path_between_polygons (int polygon1, int polygon2, int n_polygons, int end_indices[], Smallest_int visibilities[], int neighbours[], BOOLEAN *path_exists, int *path_length, int *path[]) |
public void | create_unit_tetrahedron (polygons_struct *polygons) |
public void | create_unit_cube (polygons_struct *polygons) |
public void | create_unit_octohedron (polygons_struct *polygons) |
public void | create_unit_icosahedron (polygons_struct *polygons) |
public void | intersect_planes_with_polygons (polygons_struct *polygons, Point *plane_origin, Vector *plane_normal, lines_struct *lines) |
public void | intersect_planes_with_quadmesh (quadmesh_struct *quadmesh, Point *plane_origin, Vector *plane_normal, lines_struct *lines) |
public BOOLEAN | null_Point (Point *p) |
public BOOLEAN | null_Vector (Vector *v) |
public Real | distance_between_points (Point *p1, Point *p2) |
public BOOLEAN | points_within_distance (Point *p1, Point *p2, Real distance) |
public void | apply_point_to_min_and_max (Point *point, Point *min_point, Point *max_point) |
public void | expand_min_and_max_points (Point *min_point, Point *max_point, Point *min_to_check, Point *max_to_check) |
public void | get_range_points (int n_points, Point points[], Point *min_corner, Point *max_corner) |
public void | get_points_centroid (int n_points, Point points[], Point *centroid) |
public void | reverse_vectors (int n_vectors, Vector vectors[]) |
public Real | get_angle_between_points (Point *prev_point, Point *this_point, Point *next_point) |
public Real | sq_distance_between_points (Point *p1, Point *p2) |
public Real | find_point_polygon_distance_sq (Point *point, int n_points, Point poly_points[], Point *closest_point) |
public Real | find_point_polygon_distance (Point *point, int n_points, Point poly_points[], Point *closest_point) |
public int | find_closest_polygon_point (Point *point, polygons_struct *polygons, Point *closest_point) |
public void | create_polygons_sphere (Point *centre, Real x_size, Real y_size, Real z_size, int n_up, int n_around, BOOLEAN subdividing_flag, polygons_struct *polygons) |
public int | get_sphere_point_index (int up, int around, int n_up, int n_around) |
public BOOLEAN | is_this_sphere_topology (polygons_struct *polygons) |
public BOOLEAN | get_tessellation_of_polygons_sphere (polygons_struct *polygons, int *tess) |
public int | get_tessellation_with_n_points (int n_points) |
public void | half_sample_sphere_tessellation (polygons_struct *polygons, polygons_struct *half) |
public void | initialize_intersect_directions (void) |
public Real * | get_intersect_directions (void) |
public BOOLEAN | point_within_polygon (Point *pt, int n_points, Point points[], Vector *polygon_normal) |
public BOOLEAN | line_intersects_ellipsoid (Point *line_origin, Vector *line_direction, Point *sphere_centre, Real x_size, Real y_size, Real z_size, Real *t_min, Real *t_max) |
public BOOLEAN | ray_intersects_sphere (Point *origin, Vector *direction, Point *centre, Real radius, Real *dist) |
public void | intersect_ray_object (Point *origin, Vector *direction, object_struct *object, int obj_index, int *closest_obj_index, Real *closest_dist, int *n_intersections, Real *distances[]) |
public int | intersect_ray_with_object (Point *origin, Vector *direction, object_struct *object, int *obj_index, Real *dist, Real *distances[]) |
public void | remove_invisible_polygons (polygons_struct *polygons, Smallest_int visibilities[]) |
public Real | get_smooth_surface_curvature (polygons_struct *polygons, int n_neighbours[], int *neighbours[], int poly, int vertex, BOOLEAN distances_initialized, float distances[], Real smoothing_distance) |
public void | smooth_lines (lines_struct *lines, Real smooth_length) |
public void | create_line_spline (lines_struct *lines, int n_curve_segments, lines_struct *new_lines) |
public void | smooth_polygon (polygons_struct *polygons, Real max_dist_from_original, Real fraction_to_move, Real stop_threshold, Real normal_ratio, BOOLEAN range_flag, volume_struct *volume, int min_value, int max_value) |
public BOOLEAN | get_interpolation_weights_2d (Real x, Real y, int n_points, Real xs[], Real ys[], Real weights[]) |
public BOOLEAN | get_prediction_weights_2d (Real x, Real y, int n_points, Real xs[], Real ys[], Real *x_weights[2], Real *x_constant, Real *y_weights[2], Real *y_constant) |
public BOOLEAN | get_prediction_weights_3d (Real x, Real y, Real z, int n_points, Real xs[], Real ys[], Real zs[], Real *x_weights[3], Real *y_weights[3], Real *z_weights[3]) |
public BOOLEAN | is_single_closed_curve (lines_struct *lines) |
public void | subdivide_lines (lines_struct *lines) |
public void | subdivide_polygons (polygons_struct *polygons) |
public Real | get_polygon_2d_area (int n_points, Point points[]) |
public Real | get_polygon_surface_area (int n_points, Point points[]) |
public Real | get_polygons_surface_area (polygons_struct *polygons) |
public BOOLEAN | is_this_tetrahedral_topology (polygons_struct *polygons) |
public int | get_tetra_tessellation_with_n_points (int n_points) |
public void | create_tetrahedral_sphere (Point *centre, Real rx, Real ry, Real rz, int n_triangles, polygons_struct *polygons) |
public void | half_sample_tetrahedral_tessellation (polygons_struct *polygons, polygons_struct *half) |
public int | convert_lines_to_tubes (lines_struct *lines, int n_around, Real radius, quadmesh_struct *quadmeshes[]) |
public void | create_slice_quadmesh (Volume volume, int axis_index, Real voxel_position, int x_tess, int y_tess, Real x_min, Real x_max, Real y_min, Real y_max, quadmesh_struct *quadmesh) |
public void | create_slice_3d (Volume volume, Point *origin, Vector *normal, polygons_struct *polygons) |
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Definition at line 141 of file points.c. Referenced by get_range_points(). |
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Definition at line 151 of file intersect.c. Referenced by clip_line_to_volume(), intersect_ray_with_cube(), ray_intersects_range(), and ray_intersects_tube(). |
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Definition at line 6 of file clip_3d.c. Referenced by scan_a_polygon(). |
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Compute distance in mesh structure. Compute single-source shortest path distances in the graph using Dijkstra's algorithm. If the upper bound (max_distance) is positive, then the search is terminated once this bound is reached. Definition at line 30 of file geodesic_distance.c. References DELETE_PRIORITY_QUEUE, distance_between_points(), polygons_struct::end_indices, find_polygon_with_vertex(), GET_OBJECT_SIZE, polygons_struct::indices, INITIALIZE_PRIORITY_QUEUE, INSERT_IN_PRIORITY_QUEUE, IS_PRIORITY_QUEUE_EMPTY, lookup_polygon_vertex(), polygons_struct::n_points, POINT_INDEX, polygons_struct::points, PRIORITY_QUEUE_STRUCT, and REMOVE_FROM_PRIORITY_QUEUE. Referenced by get_smooth_surface_curvature(). |
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Definition at line 84 of file tubes.c. References lines_struct::colours, create_tube(), lines_struct::end_indices, GET_OBJECT_SIZE, lines_struct::indices, lines_struct::n_items, POINT_INDEX, and lines_struct::points. |
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Definition at line 40 of file line_circle.c. References lines_struct::end_indices, lines_struct::indices, initialize_lines(), lines_struct::n_items, lines_struct::n_points, lines_struct::points, and WHITE. Referenced by check_correct_parametric_lines(). |
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Definition at line 133 of file smooth_lines.c. References add_point_to_line(), lines_struct::colours, lines_struct::end_indices, GET_OBJECT_SIZE, lines_struct::indices, initialize_lines(), lines_struct::line_thickness, lines_struct::n_items, lines_struct::n_points, POINT_INDEX, lines_struct::points, and start_new_line(). |
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Definition at line 124 of file volume_slice.c. References add_point_to_polygon(), get_volume_cross_section(), initialize_polygons(), and WHITE. |
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Definition at line 45 of file volume_slice.c. References get_default_surfprop(), initialize_quadmesh(), set_quadmesh_point(), WHITE, and y. |
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Definition at line 101 of file tetrahedrons.c. References compute_polygon_normals(), create_polygons_sphere(), create_unit_icosahedron(), create_unit_tetrahedron(), FALSE, polygons_struct::n_items, polygons_struct::n_points, polygons_struct::points, subdivide_polygons(), and y. Referenced by check_correct_parametric_polygons(), check_correct_subsampled_polygons(), half_sample_tetrahedral_tessellation(), and io_polygons(). |
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Definition at line 66 of file platonics.c. References fill_in_indices(), initialize_polygons_with_size(), polygons_struct::points, and WHITE. |
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Definition at line 121 of file platonics.c. References fill_in_indices(), initialize_polygons_with_size(), polygons_struct::points, and WHITE. Referenced by create_tetrahedral_sphere(). |
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Definition at line 95 of file platonics.c. References fill_in_indices(), initialize_polygons_with_size(), polygons_struct::points, and WHITE. |
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Definition at line 41 of file platonics.c. References fill_in_indices(), initialize_polygons_with_size(), polygons_struct::points, and WHITE. Referenced by create_tetrahedral_sphere(). |
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Definition at line 213 of file geometry.c. References distance_between_points(). |
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Definition at line 190 of file geometry.c. Referenced by get_plane_through_points(). |
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Definition at line 175 of file points.c. Referenced by get_range_of_object(). |
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Definition at line 57 of file approx_sqrt.c. References FAST_SQRT. |
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Definition at line 17 of file approx_sqrt.c. References FALSE, lookup(), MAX_SQRT_ARG, N_SQRT_PRECOMPUTE, TRUE, and y. |
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Definition at line 399 of file closest_point.c. References quadmesh_struct::bintree, polygons_struct::bintree, lines_struct::bintree, lines_struct::end_indices, find_closest_point_in_bintree(), get_lines_ptr(), get_object_type(), get_point_object_distance(), get_polygons_ptr(), get_quadmesh_n_objects(), get_quadmesh_ptr(), LINES, MARKER, polygons_struct::n_items, lines_struct::n_items, POLYGONS, and QUADMESH. Referenced by find_closest_polygon_point(), and polygon_transform_point(). |
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Definition at line 190 of file poly_dist.c. References polygons_struct::bintree, find_closest_point_on_object(), find_point_polygon_distance_sq(), get_polygon_points(), MAX_POINTS_PER_POLYGON, polygons_struct::n_items, object_struct::object_type, POLYGONS, and object_struct::specific. Referenced by map_point_to_unit_sphere(), and map_unit_sphere_to_point(). |
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Definition at line 480 of file closest_point.c. References polygons_struct::bintree, distance_between_points(), find_closest_vertex_in_bintree(), get_object_points(), get_object_type(), get_polygons_ptr(), and POLYGONS. |
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Definition at line 53 of file path_surface.c. References FALSE, follow_path(), INVALID_DISTANCE, START_INDEX, and TRUE. |
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Definition at line 165 of file poly_dist.c. References find_point_polygon_distance_sq(). |
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Definition at line 75 of file poly_dist.c. References find_polygon_normal(), point_segment_sq_distance(), point_within_polygon(), and sq_distance_between_points(). Referenced by find_closest_polygon_point(), find_point_polygon_distance(), get_point_polygon_distance_sq(), and get_point_quadmesh_distance_sq(). |
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Definition at line 129 of file geometry.c. References find_polygon_normal_no_normalize(), nx, ny, and nz. Referenced by compute_points_centroid_and_normal(), compute_polygon_normal(), compute_quadmesh_normals(), find_point_polygon_distance_sq(), get_plane_through_points(), and update_point_position(). |
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Definition at line 37 of file geometry.c. References null_Vector(), nx, ny, nz, and y. Referenced by find_polygon_normal(). |
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Definition at line 24 of file flatten.c. References distance_between_points(), and get_angle_between_points(). Referenced by flatten_around_vertex_to_sphere(). |
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Definition at line 74 of file flatten.c. References flatten_around_vertex(), make_rotation_about_axis(), null_Vector(), TRUE, and y. |
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Definition at line 305 of file points.c. Referenced by compute_polygon_normals(), flatten_around_vertex(), and get_average_curvature(). |
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Definition at line 165 of file closest_point.c. References get_line_segment_alpha(). Referenced by get_point_line_segment_distance_sq(), point_segment_distance_squared(), and point_segment_sq_distance(). |
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Definition at line 192 of file closest_point.c. References distance_between_points(), and get_line_segment_alpha(). Referenced by get_arbitrary_polygon_interpolation_weights(). |
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Definition at line 26 of file solve_plane.c. |
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Definition at line 49 of file ray_intersect.c. |
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Definition at line 93 of file intersect.c. |
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Definition at line 160 of file geometry.c. References distance_from_plane(), find_polygon_normal(), and get_points_centroid(). |
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Definition at line 313 of file closest_point.c. References get_point_object_distance_sq(). Referenced by find_closest_point_on_object(). |
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Definition at line 263 of file closest_point.c. References get_lines_ptr(), get_marker_ptr(), get_object_type(), get_point_line_segment_distance_sq(), get_point_marker_distance(), get_point_polygon_distance_sq(), get_point_quadmesh_distance_sq(), get_polygons_ptr(), get_quadmesh_ptr(), LINES, MARKER, POLYGONS, and QUADMESH. Referenced by get_point_object_distance(), and recursive_find_closest_point(). |
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Definition at line 360 of file closest_point.c. References get_object_type(), get_point_polygon_vertex_distance(), get_polygons_ptr(), and POLYGONS. Referenced by recursive_find_closest_vertex(). |
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Definition at line 241 of file points.c. References y. Referenced by compute_points_centroid_and_normal(), get_average_curvature(), get_plane_through_points(), and update_point_position(). |
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Definition at line 36 of file surface_area.c. |
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Definition at line 339 of file map_polygons.c. References get_arbitrary_polygon_interpolation_weights(), get_quadrilateral_interpolation_weights(), and get_triangle_interpolation_weights(). Referenced by map_point_between_polygons(). |
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Definition at line 71 of file surface_area.c. Referenced by get_polygons_surface_area(). |
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Definition at line 41 of file curvature.c. References compute_points_centroid_and_normal(), compute_polygon_normals(), polygons_struct::end_indices, FALSE, GET_OBJECT_SIZE, get_smooth_surface_curvature(), polygons_struct::indices, initialized, polygons_struct::n_items, polygons_struct::n_points, POINT_INDEX, and TRUE. |
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Definition at line 108 of file surface_area.c. References get_polygon_points(), get_polygon_surface_area(), MAX_POINTS_PER_POLYGON, and polygons_struct::n_items. |
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Definition at line 174 of file solve_plane.c. References get_two_point_prediction(), TRUE, and y. |
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Definition at line 300 of file solve_plane.c. References add_to_linear_least_squares(), delete_linear_least_squares(), FACTOR, FALSE, get_linear_least_squares_solution(), get_random_0_to_1(), initialize_linear_least_squares(), make_rotation_transform(), make_translation_transform(), TRUE, and y. |
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Definition at line 207 of file points.c. References apply_point_to_min_and_max(). Referenced by coalesce_object_points(), create_lines_bintree(), create_polygons_bintree(), create_quadmesh_bintree(), and get_range_of_object(). |
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Definition at line 57 of file smooth_curvature.c. References compute_distances_from_point(), polygons_struct::end_indices, FALSE, get_average_curvature(), get_smoothing_points(), polygons_struct::indices, polygons_struct::n_points, polygons_struct::normals, POINT_INDEX, polygons_struct::points, and TRUE. Referenced by get_polygon_vertex_curvatures(). |
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Definition at line 252 of file polygon_sphere.c. Referenced by create_polygons_sphere(), get_subdivided_point(), and half_sample_sphere_tessellation(). |
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Definition at line 437 of file polygon_sphere.c. References FALSE, GET_OBJECT_SIZE, and polygons_struct::n_items. Referenced by check_correct_general_polygons(), check_correct_parametric_polygons(), check_correct_subsampled_polygons(), create_polygons_sphere(), half_sample_sphere_tessellation(), and is_this_sphere_topology(). |
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Definition at line 502 of file polygon_sphere.c. References solve_quadratic(). Referenced by check_correct_parametric_polygons(), and check_correct_subsampled_polygons(). |
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Definition at line 66 of file tetrahedrons.c. Referenced by check_correct_parametric_polygons(), and check_correct_subsampled_polygons(). |
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Definition at line 545 of file polygon_sphere.c. References polygons_struct::colour_flag, polygons_struct::colours, create_polygons_sphere(), FALSE, get_sphere_point_index(), get_tessellation_of_polygons_sphere(), polygons_struct::n_points, ONE_COLOUR, PER_ITEM_COLOURS, PER_VERTEX_COLOURS, polygons_struct::points, and polygons_struct::surfprop. Referenced by check_correct_general_polygons(). |
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Definition at line 213 of file tetrahedrons.c. References polygons_struct::colour_flag, polygons_struct::colours, create_tetrahedral_sphere(), polygons_struct::n_items, polygons_struct::n_points, polygons_struct::normals, PER_VERTEX_COLOURS, and polygons_struct::points. Referenced by check_correct_general_polygons(). |
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Definition at line 40 of file ray_intersect.c. |
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Definition at line 917 of file ray_intersect.c. References get_lines_ptr(), get_marker_ptr(), get_object_type(), get_polygons_ptr(), get_quadmesh_ptr(), intersect_ray_polygon(), intersect_ray_quadmesh_patch(), intersect_ray_tube_segment(), intersect_ray_with_marker(), LINES, MARKER, POLYGONS, and QUADMESH. Referenced by intersect_ray_with_object(), and recursive_intersect_ray(). |
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Definition at line 188 of file subdivide_lines.c. References lines_struct::end_indices, FALSE, lines_struct::indices, lines_struct::n_items, lines_struct::n_points, and TRUE. Referenced by subdivide_lines(). |
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Definition at line 415 of file polygon_sphere.c. References get_tessellation_of_polygons_sphere(). Referenced by subdivide_polygons(). |
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Definition at line 38 of file tetrahedrons.c. References polygons_struct::n_items. Referenced by check_correct_general_polygons(), and io_polygons(). |
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Definition at line 565 of file ray_intersect.c. References FALSE, solve_quadratic(), and TRUE. Referenced by ray_intersects_sphere(). |
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Definition at line 39 of file intersect.c. |
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Definition at line 377 of file map_polygons.c. References get_polygon_interpolation_weights(), get_polygon_points(), and MAX_POINTS_PER_POLYGON. Referenced by map_point_to_unit_sphere(), map_unit_sphere_to_point(), and polygon_transform_point(). |
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Definition at line 427 of file map_polygons.c. References distance_between_points(), find_closest_polygon_point(), and map_point_between_polygons(). |
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Definition at line 554 of file map_polygons.c. References compute_clockwise_rotation(), and y. |
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Definition at line 459 of file map_polygons.c. References find_closest_polygon_point(), and map_point_between_polygons(). |
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Definition at line 572 of file map_polygons.c. References y. |
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Definition at line 57 of file points.c. Referenced by find_polygon_normal_no_normalize(), flatten_around_vertex_to_sphere(), get_two_d_coordinate(), and update_point_position(). |
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Definition at line 280 of file ray_intersect.c. References point_within_polygon_2d(), and point_within_triangle_2d(). Referenced by find_point_polygon_distance_sq(). |
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Definition at line 525 of file map_polygons.c. References create_object(), get_polygons_ptr(), polygon_transform_point(), POLYGONS, and polygons_are_same_topology(). |
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Definition at line 630 of file ray_intersect.c. References FALSE, and line_intersects_ellipsoid(). Referenced by intersect_ray_tube_segment(), and intersect_ray_with_marker(). |
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Definition at line 279 of file points.c. Referenced by reverse_object_normals(). |
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Definition at line 37 of file smooth_lines.c. References lines_struct::colour_flag, lines_struct::colours, delete_lines(), distance_between_points(), lines_struct::end_indices, GET_OBJECT_SIZE, lines_struct::indices, lines_struct::n_items, lines_struct::n_points, ONE_COLOUR, POINT_INDEX, lines_struct::points, and TRUE. |
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Definition at line 80 of file smooth_polygons.c. References CHECK_INTERVAL, check_polygons_neighbours_computed(), polygons_struct::n_points, polygons_struct::points, and smooth_points(). |
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Definition at line 170 of file clip_3d.c. Referenced by recursive_scan_polygon_to_voxels(). |
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Definition at line 36 of file poly_dist.c. Referenced by find_point_polygon_distance_sq(), get_point_line_segment_distance_sq(), and point_segment_sq_distance(). |
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Definition at line 226 of file subdivide_lines.c. References general_subdivide_lines(), is_single_closed_curve(), and subdivide_closed_curve(). |
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