polygon_sphere.c File Reference

#include <volume_io/internal_volume_io.h>
#include <bicpl/geom.h>
#include <bicpl/numerical.h>

Include dependency graph for polygon_sphere.c:

Go to the source code of this file.

Functions
private int	get_n_sphere_points (int n_up, int n_around)
private void	get_sphere_point (Real up, Real around, Point *centre, Real x_size, Real y_size, Real z_size, Point *point)
private void	get_subdivided_point (int up, int around, Point input_points[], int input_n_up, Point *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)

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Function Documentation

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 )

Definition at line 63 of file polygon_sphere.c. References polygons_struct::colours, delete_polygons(), polygons_struct::end_indices, get_n_sphere_points(), get_sphere_point(), get_sphere_point_index(), get_subdivided_point(), get_tessellation_of_polygons_sphere(), polygons_struct::indices, initialize_polygons(), polygons_struct::n_items, polygons_struct::n_points, polygons_struct::normals, polygons_struct::points, and WHITE. Referenced by check_correct_parametric_polygons(), check_correct_subsampled_polygons(), create_tetrahedral_sphere(), half_sample_sphere_tessellation(), and subdivide_polygons().

private int get_n_sphere_points (  int  n_up, int  n_around )

Definition at line 297 of file polygon_sphere.c. Referenced by create_polygons_sphere().

private void get_sphere_point (  Real  up, Real  around, Point *  centre, Real  x_size, Real  y_size, Real  z_size, Point *  point )

Definition at line 322 of file polygon_sphere.c. Referenced by create_polygons_sphere().

public int get_sphere_point_index (  int  up, int  around, int  n_up, int  n_around )

Definition at line 252 of file polygon_sphere.c. Referenced by create_polygons_sphere(), get_subdivided_point(), and half_sample_sphere_tessellation().

private void get_subdivided_point (  int  up, int  around, Point  input_points[], int  input_n_up, Point *  point )

Definition at line 358 of file polygon_sphere.c. References get_sphere_point_index(). Referenced by create_polygons_sphere().

public BOOLEAN get_tessellation_of_polygons_sphere (  polygons_struct *  polygons, int *  tess )

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().

public int get_tessellation_with_n_points (  int  n_points  )

Definition at line 502 of file polygon_sphere.c. References solve_quadratic(). Referenced by check_correct_parametric_polygons(), and check_correct_subsampled_polygons().

public void half_sample_sphere_tessellation (  polygons_struct *  polygons, polygons_struct *  half )

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().

public BOOLEAN is_this_sphere_topology (  polygons_struct *  polygons  )

Definition at line 415 of file polygon_sphere.c. References get_tessellation_of_polygons_sphere(). Referenced by subdivide_polygons().

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