mod_shape_basic Module Reference

Data Types
type	t_shape_circle
	Circle/sphere shape. More...
type	t_shape_cylinder
	Cylinder shape (3D only) More...
type	t_shape_halfspace
	Half-space shape. More...
type	t_shape_rectangle
	Rectangle/rectangular cuboid shape. More...
type	t_shape_torus
	Torus shape around Z-axis (3D only) More...
type	t_shape_universe
	Represents the whole space. More...

Functions/Subroutines
subroutine	initialize_shape_circle (shape)
	Initialize the circle/sphere.
subroutine	copy_shape_circle (shape, copy)
	Copy the circle/sphere.
logical pure function	shape_circle_is_inside (shape, point)
	Check if a point lies inside the circle/sphere.
subroutine	shape_circle_get_samples_inside (shape, i, j, k, n, n_samples, samples)
	Check if a given number of point lies in a circle/sphere.
pure subroutine	shape_circle_get_distance (shape, point, distance, direction)
	Compute the signed distance and the signed direction from a point to the circle/sphere.
pure subroutine	shape_circle_ray_trace (shape, ray, has_normal, intersection_list)
	Compute the intersection between the circle/sphere and a ray.
subroutine	initialize_shape_rectangle (shape)
	Initialize the rectangle/rectangular cuboid.
subroutine	copy_shape_rectangle (shape, copy)
	Copy the rectangle.
logical pure function	shape_rectangle_is_inside (shape, point)
	Check if a point lies inside the rectangle/rectangular cuboid.
subroutine	shape_rectangle_get_samples_inside (shape, i, j, k, n, n_samples, samples)
	Check if a given number of point lies in a rectrangle/rectangular cuboid.
pure subroutine	shape_rectangle_get_distance (shape, point, distance, direction)
	Compute the signed distance and the signed direction from a point to the rectangle/rectangular cuboid.
pure subroutine	shape_rectangle_ray_trace (shape, ray, has_normal, intersection_list)
	Compute the intersection between the rectangle and a ray.
subroutine	initialize_shape_halfspace (shape)
	Initialize the half-space.
subroutine	copy_shape_halfspace (shape, copy)
	Copy the half-space.
logical pure function	shape_halfspace_is_inside (shape, point)
	Check if a point lies inside the half-space.
subroutine	shape_halfspace_get_samples_inside (shape, i, j, k, n, n_samples, samples)
	Check if a given number of point lies in a half-space.
pure subroutine	shape_halfspace_get_distance (shape, point, distance, direction)
	Compute the signed distance and the signed direction from a point to the half-space.
pure subroutine	shape_halfspace_ray_trace (shape, ray, has_normal, intersection_list)
	Compute the intersection between the half-space and a ray.
subroutine	initialize_shape_cylinder (shape)
	Initialize the cylinder.
subroutine	copy_shape_cylinder (shape, copy)
	Copy the cylinder.
logical pure function	shape_cylinder_is_inside (shape, point)
	Check if a point lies inside the cylinder (3D only)
subroutine	shape_cylinder_get_samples_inside (shape, i, j, k, n, n_samples, samples)
	Check if a given number of point lies in a cylinder.
pure subroutine	shape_cylinder_get_distance (shape, point, distance, direction)
	Compute the signed distance and the signed direction from a point to the cylinder.
pure subroutine	shape_cylinder_ray_trace (shape, ray, has_normal, intersection_list)
	Compute the intersection between the cylinder and a ray.
subroutine	initialize_shape_torus (shape)
	Initialize the torus.
subroutine	copy_shape_torus (shape, copy)
	Copy the torus.
logical pure function	shape_torus_is_inside (shape, point)
	Check if a point lies inside the torus (3D only)
subroutine	shape_torus_get_samples_inside (shape, i, j, k, n, n_samples, samples)
	Check if a given number of point lies in a torus.
pure subroutine	shape_torus_get_distance (shape, point, distance, direction)
	Compute the signed distance and the signed direction from a point to the torus.
pure subroutine	shape_torus_ray_trace (shape, ray, has_normal, intersection_list)
	Compute the intersection between the torus and a ray.
subroutine	initialize_shape_universe (shape)
	Initialize the universe.
subroutine	copy_shape_universe (shape, copy)
	Copy the universe.
logical pure function	shape_universe_is_inside (shape, point)
	Check if a point lies inside the universe (always true)
subroutine	shape_universe_get_samples_inside (shape, i, j, k, n, n_samples, samples)
	Check if a given number of point lies in the universe (yes, they do!)
pure subroutine	shape_universe_get_distance (shape, point, distance, direction)
	Compute the signed distance and the signed direction from a point to the universe.
pure subroutine	shape_universe_ray_trace (shape, ray, has_normal, intersection_list)
	Compute the intersection between the universe and a ray.

Function/Subroutine Documentation

shape_circle_ray_trace()

pure subroutine mod_shape_basic::shape_circle_ray_trace	(	class(t_shape_circle), intent(in)	shape,
		type(t_ray), intent(in)	ray,
		logical, intent(in)	has_normal,
		type(t_intersection_list), intent(inout)	intersection_list )

Compute the intersection between the circle/sphere and a ray.

Parameters

[in]	shape	circle/sphere shape
[in]	ray	ray to intersect the circle/sphere
[in]	has_normal	list of intersections between the ray and the circle/sphere
[in,out]	intersection_list	list of intersections between the ray and the circle/sphere

shape_cylinder_ray_trace()

pure subroutine mod_shape_basic::shape_cylinder_ray_trace	(	class(t_shape_cylinder), intent(in)	shape,
		type(t_ray), intent(in)	ray,
		logical, intent(in)	has_normal,
		type(t_intersection_list), intent(inout)	intersection_list )

Compute the intersection between the cylinder and a ray.

Parameters

[in]	shape	cylinder shape
[in]	ray	ray to intersect the cylinder
[in]	has_normal	list of intersections between the ray and the cylinder
[in,out]	intersection_list	list of intersections between the ray and the cylinder

shape_halfspace_ray_trace()

pure subroutine mod_shape_basic::shape_halfspace_ray_trace	(	class(t_shape_halfspace), intent(in)	shape,
		type(t_ray), intent(in)	ray,
		logical, intent(in)	has_normal,
		type(t_intersection_list), intent(inout)	intersection_list )

Compute the intersection between the half-space and a ray.

Parameters

[in]	shape	half-space shape
[in]	ray	ray to intersect the half-space
[in]	has_normal	list of intersections between the ray and the half-space
[in,out]	intersection_list	list of intersections between the ray and the half-space

shape_rectangle_ray_trace()

pure subroutine mod_shape_basic::shape_rectangle_ray_trace	(	class(t_shape_rectangle), intent(in)	shape,
		type(t_ray), intent(in)	ray,
		logical, intent(in)	has_normal,
		type(t_intersection_list), intent(inout)	intersection_list )

Compute the intersection between the rectangle and a ray.

Parameters

[in]	shape	rectangle shape
[in]	ray	ray to intersect the rectangle
[in]	has_normal	list of intersections between the ray and the rectangle
[in,out]	intersection_list	list of intersections between the ray and the rectangle

shape_torus_ray_trace()

pure subroutine mod_shape_basic::shape_torus_ray_trace	(	class(t_shape_torus), intent(in)	shape,
		type(t_ray), intent(in)	ray,
		logical, intent(in)	has_normal,
		type(t_intersection_list), intent(inout)	intersection_list )

Compute the intersection between the torus and a ray.

Parameters

[in]	shape	torus shape
[in]	ray	ray to intersect the torus
[in]	has_normal	list of intersections between the ray and the torus
[in,out]	intersection_list	list of intersections between the ray and the torus

shape_universe_ray_trace()

pure subroutine mod_shape_basic::shape_universe_ray_trace	(	class(t_shape_universe), intent(in)	shape,
		type(t_ray), intent(in)	ray,
		logical, intent(in)	has_normal,
		type(t_intersection_list), intent(inout)	intersection_list )

Compute the intersection between the universe and a ray.

Parameters

[in]	shape	universe shape
[in]	ray	ray to intersect the universe
[in]	has_normal	list of intersections between the ray and the universe
[in,out]	intersection_list	list of intersections between the ray and the universe